Merge tag 'v3.3' into staging/for_v3.4

* tag 'v3.3': (1646 commits)
  Linux 3.3
  Don't limit non-nested epoll paths
  netfilter: ctnetlink: fix race between delete and timeout expiration
  ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu.
  nilfs2: fix NULL pointer dereference in nilfs_load_super_block()
  nilfs2: clamp ns_r_segments_percentage to [1, 99]
  afs: Remote abort can cause BUG in rxrpc code
  afs: Read of file returns EBADMSG
  C6X: remove dead code from entry.S
  wimax/i2400m: fix erroneous NETDEV_TX_BUSY use
  net/hyperv: fix erroneous NETDEV_TX_BUSY use
  net/usbnet: reserve headroom on rx skbs
  bnx2x: fix memory leak in bnx2x_init_firmware()
  bnx2x: fix a crash on corrupt firmware file
  sch_sfq: revert dont put new flow at the end of flows
  ipv6: fix icmp6_dst_alloc()
  MAINTAINERS: Add Serge as maintainer of capabilities
  drivers/video/backlight/s6e63m0.c: fix corruption storing gamma mode
  MAINTAINERS: add entry for exynos mipi display drivers
  MAINTAINERS: fix link to Gustavo Padovans tree
  ...

117 files changed, 862 insertions, 40542 deletions

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 21e2f4b87f14..9e6347249783 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -60,8 +60,6 @@ source "drivers/staging/rts5139/Kconfig"
 
 source "drivers/staging/frontier/Kconfig"
 
-source "drivers/staging/pohmelfs/Kconfig"
-
 source "drivers/staging/phison/Kconfig"
 
 source "drivers/staging/line6/Kconfig"
@@ -120,8 +118,6 @@ source "drivers/staging/cptm1217/Kconfig"
 
 source "drivers/staging/ste_rmi4/Kconfig"
 
-source "drivers/staging/gma500/Kconfig"
-
 source "drivers/staging/mei/Kconfig"
 
 source "drivers/staging/nvec/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 7c5808d7212d..943e14830753 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -22,7 +22,6 @@ obj-$(CONFIG_R8712U)		+= rtl8712/
 obj-$(CONFIG_RTS_PSTOR)		+= rts_pstor/
 obj-$(CONFIG_RTS5139)		+= rts5139/
 obj-$(CONFIG_TRANZPORT)		+= frontier/
-obj-$(CONFIG_POHMELFS)		+= pohmelfs/
 obj-$(CONFIG_IDE_PHISON)	+= phison/
 obj-$(CONFIG_LINE6_USB)		+= line6/
 obj-$(CONFIG_USB_SERIAL_QUATECH2)	+= serqt_usb2/
@@ -52,7 +51,6 @@ obj-$(CONFIG_FT1000)		+= ft1000/
 obj-$(CONFIG_SPEAKUP)		+= speakup/
 obj-$(CONFIG_TOUCHSCREEN_CLEARPAD_TM1217)	+= cptm1217/
 obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4)	+= ste_rmi4/
-obj-$(CONFIG_DRM_PSB)		+= gma500/
 obj-$(CONFIG_INTEL_MEI)		+= mei/
 obj-$(CONFIG_MFD_NVEC)		+= nvec/
 obj-$(CONFIG_DRM_OMAP)		+= omapdrm/
diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig
index becf711117ef..fef3580ce8de 100644
--- a/drivers/staging/android/Kconfig
+++ b/drivers/staging/android/Kconfig
@@ -27,6 +27,7 @@ config ANDROID_LOGGER
 
 config ANDROID_RAM_CONSOLE
 	bool "Android RAM buffer console"
+	depends on !S390 && !UML
 	default n
 
 config ANDROID_RAM_CONSOLE_ENABLE_VERBOSE
@@ -99,10 +100,6 @@ config ANDROID_LOW_MEMORY_KILLER
 	---help---
 	  Register processes to be killed when memory is low
 
-config ANDROID_PMEM
-	bool "Android pmem allocator"
-	depends on ARM
-
 source "drivers/staging/android/switch/Kconfig"
 
 endif # if ANDROID
diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile
index eaed1ff64f0f..5fcc24ffdd58 100644
--- a/drivers/staging/android/Makefile
+++ b/drivers/staging/android/Makefile
@@ -5,5 +5,4 @@ obj-$(CONFIG_ANDROID_RAM_CONSOLE)	+= ram_console.o
 obj-$(CONFIG_ANDROID_TIMED_OUTPUT)	+= timed_output.o
 obj-$(CONFIG_ANDROID_TIMED_GPIO)	+= timed_gpio.o
 obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER)	+= lowmemorykiller.o
-obj-$(CONFIG_ANDROID_PMEM)		+= pmem.o
 obj-$(CONFIG_ANDROID_SWITCH)		+= switch/
diff --git a/drivers/staging/android/android_pmem.h b/drivers/staging/android/android_pmem.h
deleted file mode 100644
index f633621f5be3..000000000000
--- a/drivers/staging/android/android_pmem.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/* include/linux/android_pmem.h
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _ANDROID_PMEM_H_
-#define _ANDROID_PMEM_H_
-
-#define PMEM_IOCTL_MAGIC 'p'
-#define PMEM_GET_PHYS		_IOW(PMEM_IOCTL_MAGIC, 1, unsigned int)
-#define PMEM_MAP		_IOW(PMEM_IOCTL_MAGIC, 2, unsigned int)
-#define PMEM_GET_SIZE		_IOW(PMEM_IOCTL_MAGIC, 3, unsigned int)
-#define PMEM_UNMAP		_IOW(PMEM_IOCTL_MAGIC, 4, unsigned int)
-/* This ioctl will allocate pmem space, backing the file, it will fail
- * if the file already has an allocation, pass it the len as the argument
- * to the ioctl */
-#define PMEM_ALLOCATE		_IOW(PMEM_IOCTL_MAGIC, 5, unsigned int)
-/* This will connect a one pmem file to another, pass the file that is already
- * backed in memory as the argument to the ioctl
- */
-#define PMEM_CONNECT		_IOW(PMEM_IOCTL_MAGIC, 6, unsigned int)
-/* Returns the total size of the pmem region it is sent to as a pmem_region
- * struct (with offset set to 0). 
- */
-#define PMEM_GET_TOTAL_SIZE	_IOW(PMEM_IOCTL_MAGIC, 7, unsigned int)
-#define PMEM_CACHE_FLUSH	_IOW(PMEM_IOCTL_MAGIC, 8, unsigned int)
-
-struct android_pmem_platform_data
-{
-	const char* name;
-	/* starting physical address of memory region */
-	unsigned long start;
-	/* size of memory region */
-	unsigned long size;
-	/* set to indicate the region should not be managed with an allocator */
-	unsigned no_allocator;
-	/* set to indicate maps of this region should be cached, if a mix of
-	 * cached and uncached is desired, set this and open the device with
-	 * O_SYNC to get an uncached region */
-	unsigned cached;
-	/* The MSM7k has bits to enable a write buffer in the bus controller*/
-	unsigned buffered;
-};
-
-struct pmem_region {
-	unsigned long offset;
-	unsigned long len;
-};
-
-#ifdef CONFIG_ANDROID_PMEM
-int is_pmem_file(struct file *file);
-int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart,
-		  unsigned long *end, struct file **filp);
-int get_pmem_user_addr(struct file *file, unsigned long *start,
-		       unsigned long *end);
-void put_pmem_file(struct file* file);
-void flush_pmem_file(struct file *file, unsigned long start, unsigned long len);
-int pmem_setup(struct android_pmem_platform_data *pdata,
-	       long (*ioctl)(struct file *, unsigned int, unsigned long),
-	       int (*release)(struct inode *, struct file *));
-int pmem_remap(struct pmem_region *region, struct file *file,
-	       unsigned operation);
-
-#else
-static inline int is_pmem_file(struct file *file) { return 0; }
-static inline int get_pmem_file(int fd, unsigned long *start,
-				unsigned long *vstart, unsigned long *end,
-				struct file **filp) { return -ENOSYS; }
-static inline int get_pmem_user_addr(struct file *file, unsigned long *start,
-				     unsigned long *end) { return -ENOSYS; }
-static inline void put_pmem_file(struct file* file) { return; }
-static inline void flush_pmem_file(struct file *file, unsigned long start,
-				   unsigned long len) { return; }
-static inline int pmem_setup(struct android_pmem_platform_data *pdata,
-	      long (*ioctl)(struct file *, unsigned int, unsigned long),
-	      int (*release)(struct inode *, struct file *)) { return -ENOSYS; }
-
-static inline int pmem_remap(struct pmem_region *region, struct file *file,
-			     unsigned operation) { return -ENOSYS; }
-#endif
-
-#endif //_ANDROID_PPP_H_
-
diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index 7491801a661c..f0b7e6605ab5 100644
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -38,6 +38,7 @@
 
 static DEFINE_MUTEX(binder_lock);
 static DEFINE_MUTEX(binder_deferred_lock);
+static DEFINE_MUTEX(binder_mmap_lock);
 
 static HLIST_HEAD(binder_procs);
 static HLIST_HEAD(binder_deferred_list);
@@ -632,6 +633,11 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate,
 	if (mm) {
 		down_write(&mm->mmap_sem);
 		vma = proc->vma;
+		if (vma && mm != vma->vm_mm) {
+			pr_err("binder: %d: vma mm and task mm mismatch\n",
+				proc->pid);
+			vma = NULL;
+		}
 	}
 
 	if (allocate == 0)
@@ -2759,7 +2765,6 @@ static void binder_vma_open(struct vm_area_struct *vma)
 		     proc->pid, vma->vm_start, vma->vm_end,
 		     (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags,
 		     (unsigned long)pgprot_val(vma->vm_page_prot));
-	dump_stack();
 }
 
 static void binder_vma_close(struct vm_area_struct *vma)
@@ -2803,6 +2808,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
 	}
 	vma->vm_flags = (vma->vm_flags | VM_DONTCOPY) & ~VM_MAYWRITE;
 
+	mutex_lock(&binder_mmap_lock);
 	if (proc->buffer) {
 		ret = -EBUSY;
 		failure_string = "already mapped";
@@ -2817,6 +2823,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
 	}
 	proc->buffer = area->addr;
 	proc->user_buffer_offset = vma->vm_start - (uintptr_t)proc->buffer;
+	mutex_unlock(&binder_mmap_lock);
 
 #ifdef CONFIG_CPU_CACHE_VIPT
 	if (cache_is_vipt_aliasing()) {
@@ -2849,7 +2856,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
 	binder_insert_free_buffer(proc, buffer);
 	proc->free_async_space = proc->buffer_size / 2;
 	barrier();
-	proc->files = get_files_struct(current);
+	proc->files = get_files_struct(proc->tsk);
 	proc->vma = vma;
 
 	/*printk(KERN_INFO "binder_mmap: %d %lx-%lx maps %p\n",
@@ -2860,10 +2867,12 @@ err_alloc_small_buf_failed:
 	kfree(proc->pages);
 	proc->pages = NULL;
 err_alloc_pages_failed:
+	mutex_lock(&binder_mmap_lock);
 	vfree(proc->buffer);
 	proc->buffer = NULL;
 err_get_vm_area_failed:
 err_already_mapped:
+	mutex_unlock(&binder_mmap_lock);
 err_bad_arg:
 	printk(KERN_ERR "binder_mmap: %d %lx-%lx %s failed %d\n",
 	       proc->pid, vma->vm_start, vma->vm_end, failure_string, ret);
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 2d8d2b796101..efc7dc1f4831 100644
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -54,6 +54,7 @@ static size_t lowmem_minfree[6] = {
 static int lowmem_minfree_size = 4;
 
 static struct task_struct *lowmem_deathpending;
+static unsigned long lowmem_deathpending_timeout;
 
 #define lowmem_print(level, x...)			\
 	do {						\
@@ -103,7 +104,8 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
 	 * Note: Currently you need CONFIG_PROFILING
 	 * for this to work correctly.
 	 */
-	if (lowmem_deathpending)
+	if (lowmem_deathpending &&
+	    time_before_eq(jiffies, lowmem_deathpending_timeout))
 		return 0;
 
 	if (lowmem_adj_size < array_size)
@@ -178,6 +180,7 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
 		 */
 #ifdef CONFIG_PROFILING
 		lowmem_deathpending = selected;
+		lowmem_deathpending_timeout = jiffies + HZ;
 		task_handoff_register(&task_nb);
 #endif
 		force_sig(SIGKILL, selected);
diff --git a/drivers/staging/android/pmem.c b/drivers/staging/android/pmem.c
deleted file mode 100644
index 7d97032c6508..000000000000
--- a/drivers/staging/android/pmem.c
+++ /dev/null
@@ -1,1345 +0,0 @@
-/* pmem.c
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/miscdevice.h>
-#include <linux/platform_device.h>
-#include <linux/fs.h>
-#include <linux/file.h>
-#include <linux/mm.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/debugfs.h>
-#include <linux/mempolicy.h>
-#include <linux/sched.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/cacheflush.h>
-#include "android_pmem.h"
-
-#define PMEM_MAX_DEVICES 10
-#define PMEM_MAX_ORDER 128
-#define PMEM_MIN_ALLOC PAGE_SIZE
-
-#define PMEM_DEBUG 1
-
-/* indicates that a refernce to this file has been taken via get_pmem_file,
- * the file should not be released until put_pmem_file is called */
-#define PMEM_FLAGS_BUSY 0x1
-/* indicates that this is a suballocation of a larger master range */
-#define PMEM_FLAGS_CONNECTED 0x1 << 1
-/* indicates this is a master and not a sub allocation and that it is mmaped */
-#define PMEM_FLAGS_MASTERMAP 0x1 << 2
-/* submap and unsubmap flags indicate:
- * 00: subregion has never been mmaped
- * 10: subregion has been mmaped, reference to the mm was taken
- * 11: subretion has ben released, refernece to the mm still held
- * 01: subretion has been released, reference to the mm has been released
- */
-#define PMEM_FLAGS_SUBMAP 0x1 << 3
-#define PMEM_FLAGS_UNSUBMAP 0x1 << 4
-
-
-struct pmem_data {
-	/* in alloc mode: an index into the bitmap
-	 * in no_alloc mode: the size of the allocation */
-	int index;
-	/* see flags above for descriptions */
-	unsigned int flags;
-	/* protects this data field, if the mm_mmap sem will be held at the
-	 * same time as this sem, the mm sem must be taken first (as this is
-	 * the order for vma_open and vma_close ops */
-	struct rw_semaphore sem;
-	/* info about the mmaping process */
-	struct vm_area_struct *vma;
-	/* task struct of the mapping process */
-	struct task_struct *task;
-	/* process id of teh mapping process */
-	pid_t pid;
-	/* file descriptor of the master */
-	int master_fd;
-	/* file struct of the master */
-	struct file *master_file;
-	/* a list of currently available regions if this is a suballocation */
-	struct list_head region_list;
-	/* a linked list of data so we can access them for debugging */
-	struct list_head list;
-#if PMEM_DEBUG
-	int ref;
-#endif
-};
-
-struct pmem_bits {
-	unsigned allocated:1;		/* 1 if allocated, 0 if free */
-	unsigned order:7;		/* size of the region in pmem space */
-};
-
-struct pmem_region_node {
-	struct pmem_region region;
-	struct list_head list;
-};
-
-#define PMEM_DEBUG_MSGS 0
-#if PMEM_DEBUG_MSGS
-#define DLOG(fmt,args...) \
-	do { printk(KERN_INFO "[%s:%s:%d] "fmt, __FILE__, __func__, __LINE__, \
-		    ##args); } \
-	while (0)
-#else
-#define DLOG(x...) do {} while (0)
-#endif
-
-struct pmem_info {
-	struct miscdevice dev;
-	/* physical start address of the remaped pmem space */
-	unsigned long base;
-	/* vitual start address of the remaped pmem space */
-	unsigned char __iomem *vbase;
-	/* total size of the pmem space */
-	unsigned long size;
-	/* number of entries in the pmem space */
-	unsigned long num_entries;
-	/* pfn of the garbage page in memory */
-	unsigned long garbage_pfn;
-	/* index of the garbage page in the pmem space */
-	int garbage_index;
-	/* the bitmap for the region indicating which entries are allocated
-	 * and which are free */
-	struct pmem_bits *bitmap;
-	/* indicates the region should not be managed with an allocator */
-	unsigned no_allocator;
-	/* indicates maps of this region should be cached, if a mix of
-	 * cached and uncached is desired, set this and open the device with
-	 * O_SYNC to get an uncached region */
-	unsigned cached;
-	unsigned buffered;
-	/* in no_allocator mode the first mapper gets the whole space and sets
-	 * this flag */
-	unsigned allocated;
-	/* for debugging, creates a list of pmem file structs, the
-	 * data_list_lock should be taken before pmem_data->sem if both are
-	 * needed */
-	struct mutex data_list_lock;
-	struct list_head data_list;
-	/* pmem_sem protects the bitmap array
-	 * a write lock should be held when modifying entries in bitmap
-	 * a read lock should be held when reading data from bits or
-	 * dereferencing a pointer into bitmap
-	 *
-	 * pmem_data->sem protects the pmem data of a particular file
-	 * Many of the function that require the pmem_data->sem have a non-
-	 * locking version for when the caller is already holding that sem.
-	 *
-	 * IF YOU TAKE BOTH LOCKS TAKE THEM IN THIS ORDER:
-	 * down(pmem_data->sem) => down(bitmap_sem)
-	 */
-	struct rw_semaphore bitmap_sem;
-
-	long (*ioctl)(struct file *, unsigned int, unsigned long);
-	int (*release)(struct inode *, struct file *);
-};
-
-static struct pmem_info pmem[PMEM_MAX_DEVICES];
-static int id_count;
-
-#define PMEM_IS_FREE(id, index) !(pmem[id].bitmap[index].allocated)
-#define PMEM_ORDER(id, index) pmem[id].bitmap[index].order
-#define PMEM_BUDDY_INDEX(id, index) (index ^ (1 << PMEM_ORDER(id, index)))
-#define PMEM_NEXT_INDEX(id, index) (index + (1 << PMEM_ORDER(id, index)))
-#define PMEM_OFFSET(index) (index * PMEM_MIN_ALLOC)
-#define PMEM_START_ADDR(id, index) (PMEM_OFFSET(index) + pmem[id].base)
-#define PMEM_LEN(id, index) ((1 << PMEM_ORDER(id, index)) * PMEM_MIN_ALLOC)
-#define PMEM_END_ADDR(id, index) (PMEM_START_ADDR(id, index) + \
-	PMEM_LEN(id, index))
-#define PMEM_START_VADDR(id, index) (PMEM_OFFSET(id, index) + pmem[id].vbase)
-#define PMEM_END_VADDR(id, index) (PMEM_START_VADDR(id, index) + \
-	PMEM_LEN(id, index))
-#define PMEM_REVOKED(data) (data->flags & PMEM_FLAGS_REVOKED)
-#define PMEM_IS_PAGE_ALIGNED(addr) (!((addr) & (~PAGE_MASK)))
-#define PMEM_IS_SUBMAP(data) ((data->flags & PMEM_FLAGS_SUBMAP) && \
-	(!(data->flags & PMEM_FLAGS_UNSUBMAP)))
-
-static int pmem_release(struct inode *, struct file *);
-static int pmem_mmap(struct file *, struct vm_area_struct *);
-static int pmem_open(struct inode *, struct file *);
-static long pmem_ioctl(struct file *, unsigned int, unsigned long);
-
-struct file_operations pmem_fops = {
-	.release = pmem_release,
-	.mmap = pmem_mmap,
-	.open = pmem_open,
-	.unlocked_ioctl = pmem_ioctl,
-};
-
-static int get_id(struct file *file)
-{
-	return MINOR(file->f_dentry->d_inode->i_rdev);
-}
-
-int is_pmem_file(struct file *file)
-{
-	int id;
-
-	if (unlikely(!file || !file->f_dentry || !file->f_dentry->d_inode))
-		return 0;
-	id = get_id(file);
-	if (unlikely(id >= PMEM_MAX_DEVICES))
-		return 0;
-	if (unlikely(file->f_dentry->d_inode->i_rdev !=
-	     MKDEV(MISC_MAJOR, pmem[id].dev.minor)))
-		return 0;
-	return 1;
-}
-
-static int has_allocation(struct file *file)
-{
-	struct pmem_data *data;
-	/* check is_pmem_file first if not accessed via pmem_file_ops */
-
-	if (unlikely(!file->private_data))
-		return 0;
-	data = (struct pmem_data *)file->private_data;
-	if (unlikely(data->index < 0))
-		return 0;
-	return 1;
-}
-
-static int is_master_owner(struct file *file)
-{
-	struct file *master_file;
-	struct pmem_data *data;
-	int put_needed, ret = 0;
-
-	if (!is_pmem_file(file) || !has_allocation(file))
-		return 0;
-	data = (struct pmem_data *)file->private_data;
-	if (PMEM_FLAGS_MASTERMAP & data->flags)
-		return 1;
-	master_file = fget_light(data->master_fd, &put_needed);
-	if (master_file && data->master_file == master_file)
-		ret = 1;
-	fput_light(master_file, put_needed);
-	return ret;
-}
-
-static int pmem_free(int id, int index)
-{
-	/* caller should hold the write lock on pmem_sem! */
-	int buddy, curr = index;
-	DLOG("index %d\n", index);
-
-	if (pmem[id].no_allocator) {
-		pmem[id].allocated = 0;
-		return 0;
-	}
-	/* clean up the bitmap, merging any buddies */
-	pmem[id].bitmap[curr].allocated = 0;
-	/* find a slots buddy Buddy# = Slot# ^ (1 << order)
-	 * if the buddy is also free merge them
-	 * repeat until the buddy is not free or end of the bitmap is reached
-	 */
-	do {
-		buddy = PMEM_BUDDY_INDEX(id, curr);
-		if (PMEM_IS_FREE(id, buddy) &&
-				PMEM_ORDER(id, buddy) == PMEM_ORDER(id, curr)) {
-			PMEM_ORDER(id, buddy)++;
-			PMEM_ORDER(id, curr)++;
-			curr = min(buddy, curr);
-		} else {
-			break;
-		}
-	} while (curr < pmem[id].num_entries);
-
-	return 0;
-}
-
-static void pmem_revoke(struct file *file, struct pmem_data *data);
-
-static int pmem_release(struct inode *inode, struct file *file)
-{
-	struct pmem_data *data = (struct pmem_data *)file->private_data;
-	struct pmem_region_node *region_node;
-	struct list_head *elt, *elt2;
-	int id = get_id(file), ret = 0;
-
-
-	mutex_lock(&pmem[id].data_list_lock);
-	/* if this file is a master, revoke all the memory in the connected
-	 *  files */
-	if (PMEM_FLAGS_MASTERMAP & data->flags) {
-		struct pmem_data *sub_data;
-		list_for_each(elt, &pmem[id].data_list) {
-			sub_data = list_entry(elt, struct pmem_data, list);
-			down_read(&sub_data->sem);
-			if (PMEM_IS_SUBMAP(sub_data) &&
-			    file == sub_data->master_file) {
-				up_read(&sub_data->sem);
-				pmem_revoke(file, sub_data);
-			}  else
-				up_read(&sub_data->sem);
-		}
-	}
-	list_del(&data->list);
-	mutex_unlock(&pmem[id].data_list_lock);
-
-
-	down_write(&data->sem);
-
-	/* if its not a conencted file and it has an allocation, free it */
-	if (!(PMEM_FLAGS_CONNECTED & data->flags) && has_allocation(file)) {
-		down_write(&pmem[id].bitmap_sem);
-		ret = pmem_free(id, data->index);
-		up_write(&pmem[id].bitmap_sem);
-	}
-
-	/* if this file is a submap (mapped, connected file), downref the
-	 * task struct */
-	if (PMEM_FLAGS_SUBMAP & data->flags)
-		if (data->task) {
-			put_task_struct(data->task);
-			data->task = NULL;
-		}
-
-	file->private_data = NULL;
-
-	list_for_each_safe(elt, elt2, &data->region_list) {
-		region_node = list_entry(elt, struct pmem_region_node, list);
-		list_del(elt);
-		kfree(region_node);
-	}
-	BUG_ON(!list_empty(&data->region_list));
-
-	up_write(&data->sem);
-	kfree(data);
-	if (pmem[id].release)
-		ret = pmem[id].release(inode, file);
-
-	return ret;
-}
-
-static int pmem_open(struct inode *inode, struct file *file)
-{
-	struct pmem_data *data;
-	int id = get_id(file);
-	int ret = 0;
-
-	DLOG("current %u file %p(%d)\n", current->pid, file, file_count(file));
-	/* setup file->private_data to indicate its unmapped */
-	/*  you can only open a pmem device one time */
-	if (file->private_data != NULL)
-		return -1;
-	data = kmalloc(sizeof(struct pmem_data), GFP_KERNEL);
-	if (!data) {
-		printk("pmem: unable to allocate memory for pmem metadata.");
-		return -1;
-	}
-	data->flags = 0;
-	data->index = -1;
-	data->task = NULL;
-	data->vma = NULL;
-	data->pid = 0;
-	data->master_file = NULL;
-#if PMEM_DEBUG
-	data->ref = 0;
-#endif
-	INIT_LIST_HEAD(&data->region_list);
-	init_rwsem(&data->sem);
-
-	file->private_data = data;
-	INIT_LIST_HEAD(&data->list);
-
-	mutex_lock(&pmem[id].data_list_lock);
-	list_add(&data->list, &pmem[id].data_list);
-	mutex_unlock(&pmem[id].data_list_lock);
-	return ret;
-}
-
-static unsigned long pmem_order(unsigned long len)
-{
-	int i;
-
-	len = (len + PMEM_MIN_ALLOC - 1)/PMEM_MIN_ALLOC;
-	len--;
-	for (i = 0; i < sizeof(len)*8; i++)
-		if (len >> i == 0)
-			break;
-	return i;
-}
-
-static int pmem_allocate(int id, unsigned long len)
-{
-	/* caller should hold the write lock on pmem_sem! */
-	/* return the corresponding pdata[] entry */
-	int curr = 0;
-	int end = pmem[id].num_entries;
-	int best_fit = -1;
-	unsigned long order = pmem_order(len);
-
-	if (pmem[id].no_allocator) {
-		DLOG("no allocator");
-		if ((len > pmem[id].size) || pmem[id].allocated)
-			return -1;
-		pmem[id].allocated = 1;
-		return len;
-	}
-
-	if (order > PMEM_MAX_ORDER)
-		return -1;
-	DLOG("order %lx\n", order);
-
-	/* look through the bitmap:
-	 * 	if you find a free slot of the correct order use it
-	 * 	otherwise, use the best fit (smallest with size > order) slot
-	 */
-	while (curr < end) {
-		if (PMEM_IS_FREE(id, curr)) {
-			if (PMEM_ORDER(id, curr) == (unsigned char)order) {
-				/* set the not free bit and clear others */
-				best_fit = curr;
-				break;
-			}
-			if (PMEM_ORDER(id, curr) > (unsigned char)order &&
-			    (best_fit < 0 ||
-			     PMEM_ORDER(id, curr) < PMEM_ORDER(id, best_fit)))
-				best_fit = curr;
-		}
-		curr = PMEM_NEXT_INDEX(id, curr);
-	}
-
-	/* if best_fit < 0, there are no suitable slots,
-	 * return an error
-	 */
-	if (best_fit < 0) {
-		printk("pmem: no space left to allocate!\n");
-		return -1;
-	}
-
-	/* now partition the best fit:
-	 * 	split the slot into 2 buddies of order - 1
-	 * 	repeat until the slot is of the correct order
-	 */
-	while (PMEM_ORDER(id, best_fit) > (unsigned char)order) {
-		int buddy;
-		PMEM_ORDER(id, best_fit) -= 1;
-		buddy = PMEM_BUDDY_INDEX(id, best_fit);
-		PMEM_ORDER(id, buddy) = PMEM_ORDER(id, best_fit);
-	}
-	pmem[id].bitmap[best_fit].allocated = 1;
-	return best_fit;
-}
-
-static pgprot_t pmem_access_prot(struct file *file, pgprot_t vma_prot)
-{
-	int id = get_id(file);
-#ifdef pgprot_noncached
-	if (pmem[id].cached == 0 || file->f_flags & O_SYNC)
-		return pgprot_noncached(vma_prot);
-#endif
-#ifdef pgprot_ext_buffered
-	else if (pmem[id].buffered)
-		return pgprot_ext_buffered(vma_prot);
-#endif
-	return vma_prot;
-}
-
-static unsigned long pmem_start_addr(int id, struct pmem_data *data)
-{
-	if (pmem[id].no_allocator)
-		return PMEM_START_ADDR(id, 0);
-	else
-		return PMEM_START_ADDR(id, data->index);
-
-}
-
-static void *pmem_start_vaddr(int id, struct pmem_data *data)
-{
-	return pmem_start_addr(id, data) - pmem[id].base + pmem[id].vbase;
-}
-
-static unsigned long pmem_len(int id, struct pmem_data *data)
-{
-	if (pmem[id].no_allocator)
-		return data->index;
-	else
-		return PMEM_LEN(id, data->index);
-}
-
-static int pmem_map_garbage(int id, struct vm_area_struct *vma,
-			    struct pmem_data *data, unsigned long offset,
-			    unsigned long len)
-{
-	int i, garbage_pages = len >> PAGE_SHIFT;
-
-	vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP | VM_SHARED | VM_WRITE;
-	for (i = 0; i < garbage_pages; i++) {
-		if (vm_insert_pfn(vma, vma->vm_start + offset + (i * PAGE_SIZE),
-		    pmem[id].garbage_pfn))
-			return -EAGAIN;
-	}
-	return 0;
-}
-
-static int pmem_unmap_pfn_range(int id, struct vm_area_struct *vma,
-				struct pmem_data *data, unsigned long offset,
-				unsigned long len)
-{
-	int garbage_pages;
-	DLOG("unmap offset %lx len %lx\n", offset, len);
-
-	BUG_ON(!PMEM_IS_PAGE_ALIGNED(len));
-
-	garbage_pages = len >> PAGE_SHIFT;
-	zap_page_range(vma, vma->vm_start + offset, len, NULL);
-	pmem_map_garbage(id, vma, data, offset, len);
-	return 0;
-}
-
-static int pmem_map_pfn_range(int id, struct vm_area_struct *vma,
-			      struct pmem_data *data, unsigned long offset,
-			      unsigned long len)
-{
-	DLOG("map offset %lx len %lx\n", offset, len);
-	BUG_ON(!PMEM_IS_PAGE_ALIGNED(vma->vm_start));
-	BUG_ON(!PMEM_IS_PAGE_ALIGNED(vma->vm_end));
-	BUG_ON(!PMEM_IS_PAGE_ALIGNED(len));
-	BUG_ON(!PMEM_IS_PAGE_ALIGNED(offset));
-
-	if (io_remap_pfn_range(vma, vma->vm_start + offset,
-		(pmem_start_addr(id, data) + offset) >> PAGE_SHIFT,
-		len, vma->vm_page_prot)) {
-		return -EAGAIN;
-	}
-	return 0;
-}
-
-static int pmem_remap_pfn_range(int id, struct vm_area_struct *vma,
-			      struct pmem_data *data, unsigned long offset,
-			      unsigned long len)
-{
-	/* hold the mm semp for the vma you are modifying when you call this */
-	BUG_ON(!vma);
-	zap_page_range(vma, vma->vm_start + offset, len, NULL);
-	return pmem_map_pfn_range(id, vma, data, offset, len);
-}
-
-static void pmem_vma_open(struct vm_area_struct *vma)
-{
-	struct file *file = vma->vm_file;
-	struct pmem_data *data = file->private_data;
-	int id = get_id(file);
-	/* this should never be called as we don't support copying pmem
-	 * ranges via fork */
-	BUG_ON(!has_allocation(file));
-	down_write(&data->sem);
-	/* remap the garbage pages, forkers don't get access to the data */
-	pmem_unmap_pfn_range(id, vma, data, 0, vma->vm_start - vma->vm_end);
-	up_write(&data->sem);
-}
-
-static void pmem_vma_close(struct vm_area_struct *vma)
-{
-	struct file *file = vma->vm_file;
-	struct pmem_data *data = file->private_data;
-
-	DLOG("current %u ppid %u file %p count %d\n", current->pid,
-	     current->parent->pid, file, file_count(file));
-	if (unlikely(!is_pmem_file(file) || !has_allocation(file))) {
-		printk(KERN_WARNING "pmem: something is very wrong, you are "
-		       "closing a vm backing an allocation that doesn't "
-		       "exist!\n");
-		return;
-	}
-	down_write(&data->sem);
-	if (data->vma == vma) {
-		data->vma = NULL;
-		if ((data->flags & PMEM_FLAGS_CONNECTED) &&
-		    (data->flags & PMEM_FLAGS_SUBMAP))
-			data->flags |= PMEM_FLAGS_UNSUBMAP;
-	}
-	/* the kernel is going to free this vma now anyway */
-	up_write(&data->sem);
-}
-
-static struct vm_operations_struct vm_ops = {
-	.open = pmem_vma_open,
-	.close = pmem_vma_close,
-};
-
-static int pmem_mmap(struct file *file, struct vm_area_struct *vma)
-{
-	struct pmem_data *data;
-	int index;
-	unsigned long vma_size =  vma->vm_end - vma->vm_start;
-	int ret = 0, id = get_id(file);
-
-	if (vma->vm_pgoff || !PMEM_IS_PAGE_ALIGNED(vma_size)) {
-#if PMEM_DEBUG
-		printk(KERN_ERR "pmem: mmaps must be at offset zero, aligned"
-				" and a multiple of pages_size.\n");
-#endif
-		return -EINVAL;
-	}
-
-	data = (struct pmem_data *)file->private_data;
-	down_write(&data->sem);
-	/* check this file isn't already mmaped, for submaps check this file
-	 * has never been mmaped */
-	if ((data->flags & PMEM_FLAGS_SUBMAP) ||
-	    (data->flags & PMEM_FLAGS_UNSUBMAP)) {
-#if PMEM_DEBUG
-		printk(KERN_ERR "pmem: you can only mmap a pmem file once, "
-		       "this file is already mmaped. %x\n", data->flags);
-#endif
-		ret = -EINVAL;
-		goto error;
-	}
-	/* if file->private_data == unalloced, alloc*/
-	if (data && data->index == -1) {
-		down_write(&pmem[id].bitmap_sem);
-		index = pmem_allocate(id, vma->vm_end - vma->vm_start);
-		up_write(&pmem[id].bitmap_sem);
-		data->index = index;
-	}
-	/* either no space was available or an error occured */
-	if (!has_allocation(file)) {
-		ret = -EINVAL;
-		printk("pmem: could not find allocation for map.\n");
-		goto error;
-	}
-
-	if (pmem_len(id, data) < vma_size) {
-#if PMEM_DEBUG
-		printk(KERN_WARNING "pmem: mmap size [%lu] does not match"
-		       "size of backing region [%lu].\n", vma_size,
-		       pmem_len(id, data));
-#endif
-		ret = -EINVAL;
-		goto error;
-	}
-
-	vma->vm_pgoff = pmem_start_addr(id, data) >> PAGE_SHIFT;
-	vma->vm_page_prot = pmem_access_prot(file, vma->vm_page_prot);
-
-	if (data->flags & PMEM_FLAGS_CONNECTED) {
-		struct pmem_region_node *region_node;
-		struct list_head *elt;
-		if (pmem_map_garbage(id, vma, data, 0, vma_size)) {
-			printk("pmem: mmap failed in kernel!\n");
-			ret = -EAGAIN;
-			goto error;
-		}
-		list_for_each(elt, &data->region_list) {
-			region_node = list_entry(elt, struct pmem_region_node,
-						 list);
-			DLOG("remapping file: %p %lx %lx\n", file,
-				region_node->region.offset,
-				region_node->region.len);
-			if (pmem_remap_pfn_range(id, vma, data,
-						 region_node->region.offset,
-						 region_node->region.len)) {
-				ret = -EAGAIN;
-				goto error;
-			}
-		}
-		data->flags |= PMEM_FLAGS_SUBMAP;
-		get_task_struct(current->group_leader);
-		data->task = current->group_leader;
-		data->vma = vma;
-#if PMEM_DEBUG
-		data->pid = current->pid;
-#endif
-		DLOG("submmapped file %p vma %p pid %u\n", file, vma,
-		     current->pid);
-	} else {
-		if (pmem_map_pfn_range(id, vma, data, 0, vma_size)) {
-			printk(KERN_INFO "pmem: mmap failed in kernel!\n");
-			ret = -EAGAIN;
-			goto error;
-		}
-		data->flags |= PMEM_FLAGS_MASTERMAP;
-		data->pid = current->pid;
-	}
-	vma->vm_ops = &vm_ops;
-error:
-	up_write(&data->sem);
-	return ret;
-}
-
-/* the following are the api for accessing pmem regions by other drivers
- * from inside the kernel */
-int get_pmem_user_addr(struct file *file, unsigned long *start,
-		   unsigned long *len)
-{
-	struct pmem_data *data;
-	if (!is_pmem_file(file) || !has_allocation(file)) {
-#if PMEM_DEBUG
-		printk(KERN_INFO "pmem: requested pmem data from invalid"
-				  "file.\n");
-#endif
-		return -1;
-	}
-	data = (struct pmem_data *)file->private_data;
-	down_read(&data->sem);
-	if (data->vma) {
-		*start = data->vma->vm_start;
-		*len = data->vma->vm_end - data->vma->vm_start;
-	} else {
-		*start = 0;
-		*len = 0;
-	}
-	up_read(&data->sem);
-	return 0;
-}
-
-int get_pmem_addr(struct file *file, unsigned long *start,
-		  unsigned long *vstart, unsigned long *len)
-{
-	struct pmem_data *data;
-	int id;
-
-	if (!is_pmem_file(file) || !has_allocation(file)) {
-		return -1;
-	}
-
-	data = (struct pmem_data *)file->private_data;
-	if (data->index == -1) {
-#if PMEM_DEBUG
-		printk(KERN_INFO "pmem: requested pmem data from file with no "
-		       "allocation.\n");
-		return -1;
-#endif
-	}
-	id = get_id(file);
-
-	down_read(&data->sem);
-	*start = pmem_start_addr(id, data);
-	*len = pmem_len(id, data);
-	*vstart = (unsigned long)pmem_start_vaddr(id, data);
-	up_read(&data->sem);
-#if PMEM_DEBUG
-	down_write(&data->sem);
-	data->ref++;
-	up_write(&data->sem);
-#endif
-	return 0;
-}
-
-int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart,
-		  unsigned long *len, struct file **filp)
-{
-	struct file *file;
-
-	file = fget(fd);
-	if (unlikely(file == NULL)) {
-		printk(KERN_INFO "pmem: requested data from file descriptor "
-		       "that doesn't exist.");
-		return -1;
-	}
-
-	if (get_pmem_addr(file, start, vstart, len))
-		goto end;
-
-	if (filp)
-		*filp = file;
-	return 0;
-end:
-	fput(file);
-	return -1;
-}
-
-void put_pmem_file(struct file *file)
-{
-	struct pmem_data *data;
-	int id;
-
-	if (!is_pmem_file(file))
-		return;
-	id = get_id(file);
-	data = (struct pmem_data *)file->private_data;
-#if PMEM_DEBUG
-	down_write(&data->sem);
-	if (data->ref == 0) {
-		printk("pmem: pmem_put > pmem_get %s (pid %d)\n",
-		       pmem[id].dev.name, data->pid);
-		BUG();
-	}
-	data->ref--;
-	up_write(&data->sem);
-#endif
-	fput(file);
-}
-
-void flush_pmem_file(struct file *file, unsigned long offset, unsigned long len)
-{
-	struct pmem_data *data;
-	int id;
-	void *vaddr;
-	struct pmem_region_node *region_node;
-	struct list_head *elt;
-	void *flush_start, *flush_end;
-
-	if (!is_pmem_file(file) || !has_allocation(file)) {
-		return;
-	}
-
-	id = get_id(file);
-	data = (struct pmem_data *)file->private_data;
-	if (!pmem[id].cached || file->f_flags & O_SYNC)
-		return;
-
-	down_read(&data->sem);
-	vaddr = pmem_start_vaddr(id, data);
-	/* if this isn't a submmapped file, flush the whole thing */
-	if (unlikely(!(data->flags & PMEM_FLAGS_CONNECTED))) {
-		dmac_flush_range(vaddr, vaddr + pmem_len(id, data));
-		goto end;
-	}
-	/* otherwise, flush the region of the file we are drawing */
-	list_for_each(elt, &data->region_list) {
-		region_node = list_entry(elt, struct pmem_region_node, list);
-		if ((offset >= region_node->region.offset) &&
-		    ((offset + len) <= (region_node->region.offset +
-			region_node->region.len))) {
-			flush_start = vaddr + region_node->region.offset;
-			flush_end = flush_start + region_node->region.len;
-			dmac_flush_range(flush_start, flush_end);
-			break;
-		}
-	}
-end:
-	up_read(&data->sem);
-}
-
-static int pmem_connect(unsigned long connect, struct file *file)
-{
-	struct pmem_data *data = (struct pmem_data *)file->private_data;
-	struct pmem_data *src_data;
-	struct file *src_file;
-	int ret = 0, put_needed;
-
-	down_write(&data->sem);
-	/* retrieve the src file and check it is a pmem file with an alloc */
-	src_file = fget_light(connect, &put_needed);
-	DLOG("connect %p to %p\n", file, src_file);
-	if (!src_file) {
-		printk("pmem: src file not found!\n");
-		ret = -EINVAL;
-		goto err_no_file;
-	}
-	if (unlikely(!is_pmem_file(src_file) || !has_allocation(src_file))) {
-		printk(KERN_INFO "pmem: src file is not a pmem file or has no "
-		       "alloc!\n");
-		ret = -EINVAL;
-		goto err_bad_file;
-	}
-	src_data = (struct pmem_data *)src_file->private_data;
-
-	if (has_allocation(file) && (data->index != src_data->index)) {
-		printk("pmem: file is already mapped but doesn't match this"
-		       " src_file!\n");
-		ret = -EINVAL;
-		goto err_bad_file;
-	}
-	data->index = src_data->index;
-	data->flags |= PMEM_FLAGS_CONNECTED;
-	data->master_fd = connect;
-	data->master_file = src_file;
-
-err_bad_file:
-	fput_light(src_file, put_needed);
-err_no_file:
-	up_write(&data->sem);
-	return ret;
-}
-
-static void pmem_unlock_data_and_mm(struct pmem_data *data,
-				    struct mm_struct *mm)
-{
-	up_write(&data->sem);
-	if (mm != NULL) {
-		up_write(&mm->mmap_sem);
-		mmput(mm);
-	}
-}
-
-static int pmem_lock_data_and_mm(struct file *file, struct pmem_data *data,
-				 struct mm_struct **locked_mm)
-{
-	int ret = 0;
-	struct mm_struct *mm = NULL;
-	*locked_mm = NULL;
-lock_mm:
-	down_read(&data->sem);
-	if (PMEM_IS_SUBMAP(data)) {
-		mm = get_task_mm(data->task);
-		if (!mm) {
-#if PMEM_DEBUG
-			printk("pmem: can't remap task is gone!\n");
-#endif
-			up_read(&data->sem);
-			return -1;
-		}
-	}
-	up_read(&data->sem);
-
-	if (mm)
-		down_write(&mm->mmap_sem);
-
-	down_write(&data->sem);
-	/* check that the file didn't get mmaped before we could take the
-	 * data sem, this should be safe b/c you can only submap each file
-	 * once */
-	if (PMEM_IS_SUBMAP(data) && !mm) {
-		pmem_unlock_data_and_mm(data, mm);
-		up_write(&data->sem);
-		goto lock_mm;
-	}
-	/* now check that vma.mm is still there, it could have been
-	 * deleted by vma_close before we could get the data->sem */
-	if ((data->flags & PMEM_FLAGS_UNSUBMAP) && (mm != NULL)) {
-		/* might as well release this */
-		if (data->flags & PMEM_FLAGS_SUBMAP) {
-			put_task_struct(data->task);
-			data->task = NULL;
-			/* lower the submap flag to show the mm is gone */
-			data->flags &= ~(PMEM_FLAGS_SUBMAP);
-		}
-		pmem_unlock_data_and_mm(data, mm);
-		return -1;
-	}
-	*locked_mm = mm;
-	return ret;
-}
-
-int pmem_remap(struct pmem_region *region, struct file *file,
-		      unsigned operation)
-{
-	int ret;
-	struct pmem_region_node *region_node;
-	struct mm_struct *mm = NULL;
-	struct list_head *elt, *elt2;
-	int id = get_id(file);
-	struct pmem_data *data = (struct pmem_data *)file->private_data;
-
-	/* pmem region must be aligned on a page boundry */
-	if (unlikely(!PMEM_IS_PAGE_ALIGNED(region->offset) ||
-		 !PMEM_IS_PAGE_ALIGNED(region->len))) {
-#if PMEM_DEBUG
-		printk("pmem: request for unaligned pmem suballocation "
-		       "%lx %lx\n", region->offset, region->len);
-#endif
-		return -EINVAL;
-	}
-
-	/* if userspace requests a region of len 0, there's nothing to do */
-	if (region->len == 0)
-		return 0;
-
-	/* lock the mm and data */
-	ret = pmem_lock_data_and_mm(file, data, &mm);
-	if (ret)
-		return 0;
-
-	/* only the owner of the master file can remap the client fds
-	 * that back in it */
-	if (!is_master_owner(file)) {
-#if PMEM_DEBUG
-		printk("pmem: remap requested from non-master process\n");
-#endif
-		ret = -EINVAL;
-		goto err;
-	}
-
-	/* check that the requested range is within the src allocation */
-	if (unlikely((region->offset > pmem_len(id, data)) ||
-		     (region->len > pmem_len(id, data)) ||
-		     (region->offset + region->len > pmem_len(id, data)))) {
-#if PMEM_DEBUG
-		printk(KERN_INFO "pmem: suballoc doesn't fit in src_file!\n");
-#endif
-		ret = -EINVAL;
-		goto err;
-	}
-
-	if (operation == PMEM_MAP) {
-		region_node = kmalloc(sizeof(struct pmem_region_node),
-			      GFP_KERNEL);
-		if (!region_node) {
-			ret = -ENOMEM;
-#if PMEM_DEBUG
-			printk(KERN_INFO "No space to allocate metadata!");
-#endif
-			goto err;
-		}
-		region_node->region = *region;
-		list_add(&region_node->list, &data->region_list);
-	} else if (operation == PMEM_UNMAP) {
-		int found = 0;
-		list_for_each_safe(elt, elt2, &data->region_list) {
-			region_node = list_entry(elt, struct pmem_region_node,
-				      list);
-			if (region->len == 0 ||
-			    (region_node->region.offset == region->offset &&
-			    region_node->region.len == region->len)) {
-				list_del(elt);
-				kfree(region_node);
-				found = 1;
-			}
-		}
-		if (!found) {
-#if PMEM_DEBUG
-			printk("pmem: Unmap region does not map any mapped "
-				"region!");
-#endif
-			ret = -EINVAL;
-			goto err;
-		}
-	}
-
-	if (data->vma && PMEM_IS_SUBMAP(data)) {
-		if (operation == PMEM_MAP)
-			ret = pmem_remap_pfn_range(id, data->vma, data,
-						   region->offset, region->len);
-		else if (operation == PMEM_UNMAP)
-			ret = pmem_unmap_pfn_range(id, data->vma, data,
-						   region->offset, region->len);
-	}
-
-err:
-	pmem_unlock_data_and_mm(data, mm);
-	return ret;
-}
-
-static void pmem_revoke(struct file *file, struct pmem_data *data)
-{
-	struct pmem_region_node *region_node;
-	struct list_head *elt, *elt2;
-	struct mm_struct *mm = NULL;
-	int id = get_id(file);
-	int ret = 0;
-
-	data->master_file = NULL;
-	ret = pmem_lock_data_and_mm(file, data, &mm);
-	/* if lock_data_and_mm fails either the task that mapped the fd, or
-	 * the vma that mapped it have already gone away, nothing more
-	 * needs to be done */
-	if (ret)
-		return;
-	/* unmap everything */
-	/* delete the regions and region list nothing is mapped any more */
-	if (data->vma)
-		list_for_each_safe(elt, elt2, &data->region_list) {
-			region_node = list_entry(elt, struct pmem_region_node,
-						 list);
-			pmem_unmap_pfn_range(id, data->vma, data,
-					     region_node->region.offset,
-					     region_node->region.len);
-			list_del(elt);
-			kfree(region_node);
-	}
-	/* delete the master file */
-	pmem_unlock_data_and_mm(data, mm);
-}
-
-static void pmem_get_size(struct pmem_region *region, struct file *file)
-{
-	struct pmem_data *data = (struct pmem_data *)file->private_data;
-	int id = get_id(file);
-
-	if (!has_allocation(file)) {
-		region->offset = 0;
-		region->len = 0;
-		return;
-	} else {
-		region->offset = pmem_start_addr(id, data);
-		region->len = pmem_len(id, data);
-	}
-	DLOG("offset %lx len %lx\n", region->offset, region->len);
-}
-
-
-static long pmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	struct pmem_data *data;
-	int id = get_id(file);
-
-	switch (cmd) {
-	case PMEM_GET_PHYS:
-		{
-			struct pmem_region region;
-			DLOG("get_phys\n");
-			if (!has_allocation(file)) {
-				region.offset = 0;
-				region.len = 0;
-			} else {
-				data = (struct pmem_data *)file->private_data;
-				region.offset = pmem_start_addr(id, data);
-				region.len = pmem_len(id, data);
-			}
-			printk(KERN_INFO "pmem: request for physical address of pmem region "
-					"from process %d.\n", current->pid);
-			if (copy_to_user((void __user *)arg, &region,
-						sizeof(struct pmem_region)))
-				return -EFAULT;
-			break;
-		}
-	case PMEM_MAP:
-		{
-			struct pmem_region region;
-			if (copy_from_user(&region, (void __user *)arg,
-						sizeof(struct pmem_region)))
-				return -EFAULT;
-			data = (struct pmem_data *)file->private_data;
-			return pmem_remap(&region, file, PMEM_MAP);
-		}
-		break;
-	case PMEM_UNMAP:
-		{
-			struct pmem_region region;
-			if (copy_from_user(&region, (void __user *)arg,
-						sizeof(struct pmem_region)))
-				return -EFAULT;
-			data = (struct pmem_data *)file->private_data;
-			return pmem_remap(&region, file, PMEM_UNMAP);
-			break;
-		}
-	case PMEM_GET_SIZE:
-		{
-			struct pmem_region region;
-			DLOG("get_size\n");
-			pmem_get_size(&region, file);
-			if (copy_to_user((void __user *)arg, &region,
-						sizeof(struct pmem_region)))
-				return -EFAULT;
-			break;
-		}
-	case PMEM_GET_TOTAL_SIZE:
-		{
-			struct pmem_region region;
-			DLOG("get total size\n");
-			region.offset = 0;
-			get_id(file);
-			region.len = pmem[id].size;
-			if (copy_to_user((void __user *)arg, &region,
-						sizeof(struct pmem_region)))
-				return -EFAULT;
-			break;
-		}
-	case PMEM_ALLOCATE:
-		{
-			if (has_allocation(file))
-				return -EINVAL;
-			data = (struct pmem_data *)file->private_data;
-			data->index = pmem_allocate(id, arg);
-			break;
-		}
-	case PMEM_CONNECT:
-		DLOG("connect\n");
-		return pmem_connect(arg, file);
-		break;
-	case PMEM_CACHE_FLUSH:
-		{
-			struct pmem_region region;
-			DLOG("flush\n");
-			if (copy_from_user(&region, (void __user *)arg,
-					   sizeof(struct pmem_region)))
-				return -EFAULT;
-			flush_pmem_file(file, region.offset, region.len);
-			break;
-		}
-	default:
-		if (pmem[id].ioctl)
-			return pmem[id].ioctl(file, cmd, arg);
-		return -EINVAL;
-	}
-	return 0;
-}
-
-#if PMEM_DEBUG
-static ssize_t debug_open(struct inode *inode, struct file *file)
-{
-	file->private_data = inode->i_private;
-	return 0;
-}
-
-static ssize_t debug_read(struct file *file, char __user *buf, size_t count,
-			  loff_t *ppos)
-{
-	struct list_head *elt, *elt2;
-	struct pmem_data *data;
-	struct pmem_region_node *region_node;
-	int id = (int)file->private_data;
-	const int debug_bufmax = 4096;
-	static char buffer[4096];
-	int n = 0;
-
-	DLOG("debug open\n");
-	n = scnprintf(buffer, debug_bufmax,
-		      "pid #: mapped regions (offset, len) (offset,len)...\n");
-
-	mutex_lock(&pmem[id].data_list_lock);
-	list_for_each(elt, &pmem[id].data_list) {
-		data = list_entry(elt, struct pmem_data, list);
-		down_read(&data->sem);
-		n += scnprintf(buffer + n, debug_bufmax - n, "pid %u:",
-				data->pid);
-		list_for_each(elt2, &data->region_list) {
-			region_node = list_entry(elt2, struct pmem_region_node,
-				      list);
-			n += scnprintf(buffer + n, debug_bufmax - n,
-					"(%lx,%lx) ",
-					region_node->region.offset,
-					region_node->region.len);
-		}
-		n += scnprintf(buffer + n, debug_bufmax - n, "\n");
-		up_read(&data->sem);
-	}
-	mutex_unlock(&pmem[id].data_list_lock);
-
-	n++;
-	buffer[n] = 0;
-	return simple_read_from_buffer(buf, count, ppos, buffer, n);
-}
-
-static struct file_operations debug_fops = {
-	.read = debug_read,
-	.open = debug_open,
-};
-#endif
-
-#if 0
-static struct miscdevice pmem_dev = {
-	.name = "pmem",
-	.fops = &pmem_fops,
-};
-#endif
-
-int pmem_setup(struct android_pmem_platform_data *pdata,
-	       long (*ioctl)(struct file *, unsigned int, unsigned long),
-	       int (*release)(struct inode *, struct file *))
-{
-	int err = 0;
-	int i, index = 0;
-	int id = id_count;
-	id_count++;
-
-	pmem[id].no_allocator = pdata->no_allocator;
-	pmem[id].cached = pdata->cached;
-	pmem[id].buffered = pdata->buffered;
-	pmem[id].base = pdata->start;
-	pmem[id].size = pdata->size;
-	pmem[id].ioctl = ioctl;
-	pmem[id].release = release;
-	init_rwsem(&pmem[id].bitmap_sem);
-	mutex_init(&pmem[id].data_list_lock);
-	INIT_LIST_HEAD(&pmem[id].data_list);
-	pmem[id].dev.name = pdata->name;
-	pmem[id].dev.minor = id;
-	pmem[id].dev.fops = &pmem_fops;
-	printk(KERN_INFO "%s: %d init\n", pdata->name, pdata->cached);
-
-	err = misc_register(&pmem[id].dev);
-	if (err) {
-		printk(KERN_ALERT "Unable to register pmem driver!\n");
-		goto err_cant_register_device;
-	}
-	pmem[id].num_entries = pmem[id].size / PMEM_MIN_ALLOC;
-
-	pmem[id].bitmap = kmalloc(pmem[id].num_entries *
-				  sizeof(struct pmem_bits), GFP_KERNEL);
-	if (!pmem[id].bitmap)
-		goto err_no_mem_for_metadata;
-
-	memset(pmem[id].bitmap, 0, sizeof(struct pmem_bits) *
-					  pmem[id].num_entries);
-
-	for (i = sizeof(pmem[id].num_entries) * 8 - 1; i >= 0; i--) {
-		if ((pmem[id].num_entries) &  1<<i) {
-			PMEM_ORDER(id, index) = i;
-			index = PMEM_NEXT_INDEX(id, index);
-		}
-	}
-
-	if (pmem[id].cached)
-		pmem[id].vbase = ioremap_cached(pmem[id].base,
-						pmem[id].size);
-#ifdef ioremap_ext_buffered
-	else if (pmem[id].buffered)
-		pmem[id].vbase = ioremap_ext_buffered(pmem[id].base,
-						      pmem[id].size);
-#endif
-	else
-		pmem[id].vbase = ioremap(pmem[id].base, pmem[id].size);
-
-	if (pmem[id].vbase == 0)
-		goto error_cant_remap;
-
-	pmem[id].garbage_pfn = page_to_pfn(alloc_page(GFP_KERNEL));
-	if (pmem[id].no_allocator)
-		pmem[id].allocated = 0;
-
-#if PMEM_DEBUG
-	debugfs_create_file(pdata->name, S_IFREG | S_IRUGO, NULL, (void *)id,
-			    &debug_fops);
-#endif
-	return 0;
-error_cant_remap:
-	kfree(pmem[id].bitmap);
-err_no_mem_for_metadata:
-	misc_deregister(&pmem[id].dev);
-err_cant_register_device:
-	return -1;
-}
-
-static int pmem_probe(struct platform_device *pdev)
-{
-	struct android_pmem_platform_data *pdata;
-
-	if (!pdev || !pdev->dev.platform_data) {
-		printk(KERN_ALERT "Unable to probe pmem!\n");
-		return -1;
-	}
-	pdata = pdev->dev.platform_data;
-	return pmem_setup(pdata, NULL, NULL);
-}
-
-
-static int pmem_remove(struct platform_device *pdev)
-{
-	int id = pdev->id;
-	__free_page(pfn_to_page(pmem[id].garbage_pfn));
-	misc_deregister(&pmem[id].dev);
-	return 0;
-}
-
-static struct platform_driver pmem_driver = {
-	.probe = pmem_probe,
-	.remove = pmem_remove,
-	.driver = { .name = "android_pmem" }
-};
-
-
-static int __init pmem_init(void)
-{
-	return platform_driver_register(&pmem_driver);
-}
-
-static void __exit pmem_exit(void)
-{
-	platform_driver_unregister(&pmem_driver);
-}
-
-module_init(pmem_init);
-module_exit(pmem_exit);
-
diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index e77e4e0396cf..1df9586f2730 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -355,7 +355,14 @@ static void send_data(struct asus_oled_dev *odev)
 
 static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
 {
-	while (count-- > 0 && val) {
+	odev->last_val = val;
+
+	if (val == 0) {
+		odev->buf_offs += count;
+		return 0;
+	}
+
+	while (count-- > 0) {
 		size_t x = odev->buf_offs % odev->width;
 		size_t y = odev->buf_offs / odev->width;
 		size_t i;
@@ -406,7 +413,6 @@ static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
 			;
 		}
 
-		odev->last_val = val;
 		odev->buf_offs++;
 	}
 
@@ -805,10 +811,9 @@ error:
 
 static void __exit asus_oled_exit(void)
 {
+	usb_deregister(&oled_driver);
 	class_remove_file(oled_class, &class_attr_version.attr);
 	class_destroy(oled_class);
-
-	usb_deregister(&oled_driver);
 }
 
 module_init(asus_oled_init);
diff --git a/drivers/staging/gma500/Kconfig b/drivers/staging/gma500/Kconfig
deleted file mode 100644
index c7a2b3bc0a18..000000000000
--- a/drivers/staging/gma500/Kconfig
+++ /dev/null
@@ -1,33 +0,0 @@
-config DRM_PSB
-	tristate "Intel GMA5/600 KMS Framebuffer"
-	depends on DRM && PCI && X86 && BROKEN
-	select FB_CFB_COPYAREA
-        select FB_CFB_FILLRECT
-        select FB_CFB_IMAGEBLIT
-        select DRM_KMS_HELPER
-        select DRM_TTM
-	help
-	  Say yes for an experimental 2D KMS framebuffer driver for the
-	  Intel GMA500 ('Poulsbo') and other Intel IMG based graphics
-	  devices.
-
-config DRM_PSB_MRST
-	bool "Intel GMA600 support (Experimental)"
-	depends on DRM_PSB
-	help
-	  Say yes to include support for GMA600 (Intel Moorestown/Oaktrail)
-	  platforms with LVDS ports. HDMI and MIPI are not currently
-	  supported.
-
-config DRM_PSB_MFLD
-	bool "Intel Medfield support (Experimental)"
-	depends on DRM_PSB
-	help
-	  Say yes to include support for Intel Medfield platforms with MIPI
-	  interfaces.
-	
-config DRM_PSB_CDV
-	bool "Intel Cedarview support (Experimental)"
-	depends on DRM_PSB
-	help
-	  Say yes to include support for Intel Cedarview platforms
diff --git a/drivers/staging/gma500/Makefile b/drivers/staging/gma500/Makefile
deleted file mode 100644
index c729868b1b10..000000000000
--- a/drivers/staging/gma500/Makefile
+++ /dev/null
@@ -1,52 +0,0 @@
-#
-#	KMS driver for the GMA500
-#
-ccflags-y += -Iinclude/drm
-
-psb_gfx-y += gem_glue.o \
-	  accel_2d.o \
-	  backlight.o \
-	  framebuffer.o \
-	  gem.o \
-	  gtt.o \
-	  intel_bios.o \
-	  intel_i2c.o \
-	  intel_opregion.o \
-	  mmu.o \
-	  power.o \
-	  psb_drv.o \
-	  psb_intel_display.o \
-	  psb_intel_lvds.o \
-	  psb_intel_modes.o \
-	  psb_intel_sdvo.o \
-	  psb_lid.o \
-	  psb_irq.o \
-	  psb_device.o \
-	  mid_bios.o
-
-psb_gfx-$(CONFIG_DRM_PSB_CDV) +=  cdv_device.o \
-	  cdv_intel_crt.o \
-	  cdv_intel_display.o \
-	  cdv_intel_hdmi.o \
-	  cdv_intel_lvds.o
-
-psb_gfx-$(CONFIG_DRM_PSB_MRST) += mrst_device.o \
-	  mrst_crtc.o \
-	  mrst_lvds.o \
-	  mrst_hdmi.o \
-	  mrst_hdmi_i2c.o
-
-psb_gfx-$(CONFIG_DRM_PSB_MFLD) += mdfld_device.o \
-	  mdfld_output.o \
-	  mdfld_pyr_cmd.o \
-	  mdfld_tmd_vid.o \
-	  mdfld_tpo_cmd.o \
-	  mdfld_tpo_vid.o \
-	  mdfld_dsi_pkg_sender.o \
-	  mdfld_dsi_dpi.o \
-	  mdfld_dsi_output.o \
-	  mdfld_dsi_dbi.o \
-	  mdfld_dsi_dbi_dpu.o \
-	  mdfld_intel_display.o
-
-obj-$(CONFIG_DRM_PSB) += psb_gfx.o
diff --git a/drivers/staging/gma500/TODO b/drivers/staging/gma500/TODO
deleted file mode 100644
index fc836158e74c..000000000000
--- a/drivers/staging/gma500/TODO
+++ /dev/null
@@ -1,15 +0,0 @@
--	Sort out the power management side. Not important for Poulsbo but
-	matters for Moorestown/Medfield
--	Debug Oaktrail/Moorestown support (single pipe, no BIOS on mrst,
-					some other differences)
--	Add 2D acceleration via console and DRM
--	Add scrolling acceleration using the GTT to do remapping on the main
-	framebuffer.
--	HDMI testing
--	Oaktrail HDMI and other features
--	Oaktrail MIPI
--	Medfield needs a lot of further love
-
-As per kernel policy and the in the interest of the safety of various
-kittens there is no support or plans to add hooks for the closed user space
-stuff.
diff --git a/drivers/staging/gma500/accel_2d.c b/drivers/staging/gma500/accel_2d.c
deleted file mode 100644
index b8f78ebbb145..000000000000
--- a/drivers/staging/gma500/accel_2d.c
+++ /dev/null
@@ -1,414 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- * develop this driver.
- *
- **************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/console.h>
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "framebuffer.h"
-
-/**
- *	psb_spank		-	reset the 2D engine
- *	@dev_priv: our PSB DRM device
- *
- *	Soft reset the graphics engine and then reload the necessary registers.
- *	We use this at initialisation time but it will become relevant for
- *	accelerated X later
- */
-void psb_spank(struct drm_psb_private *dev_priv)
-{
-	PSB_WSGX32(_PSB_CS_RESET_BIF_RESET | _PSB_CS_RESET_DPM_RESET |
-		_PSB_CS_RESET_TA_RESET | _PSB_CS_RESET_USE_RESET |
-		_PSB_CS_RESET_ISP_RESET | _PSB_CS_RESET_TSP_RESET |
-		_PSB_CS_RESET_TWOD_RESET, PSB_CR_SOFT_RESET);
-	PSB_RSGX32(PSB_CR_SOFT_RESET);
-
-	msleep(1);
-
-	PSB_WSGX32(0, PSB_CR_SOFT_RESET);
-	wmb();
-	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_CB_CTRL_CLEAR_FAULT,
-		   PSB_CR_BIF_CTRL);
-	wmb();
-	(void) PSB_RSGX32(PSB_CR_BIF_CTRL);
-
-	msleep(1);
-	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_CB_CTRL_CLEAR_FAULT,
-		   PSB_CR_BIF_CTRL);
-	(void) PSB_RSGX32(PSB_CR_BIF_CTRL);
-	PSB_WSGX32(dev_priv->gtt.gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
-}
-
-/**
- *	psb2_2d_wait_available	-	wait for FIFO room
- *	@dev_priv: our DRM device
- *	@size: size (in dwords) of the command we want to issue
- *
- *	Wait until there is room to load the FIFO with our data. If the
- *	device is not responding then reset it
- */
-static int psb_2d_wait_available(struct drm_psb_private *dev_priv,
-			  unsigned size)
-{
-	uint32_t avail = PSB_RSGX32(PSB_CR_2D_SOCIF);
-	unsigned long t = jiffies + HZ;
-
-	while (avail < size) {
-		avail = PSB_RSGX32(PSB_CR_2D_SOCIF);
-		if (time_after(jiffies, t)) {
-			psb_spank(dev_priv);
-			return -EIO;
-		}
-	}
-	return 0;
-}
-
-/**
- *	psb_2d_submit		-	submit a 2D command
- *	@dev_priv: our DRM device
- *	@cmdbuf: command to issue
- *	@size: length (in dwords)
- *
- *	Issue one or more 2D commands to the accelerator. This needs to be
- *	serialized later when we add the GEM interfaces for acceleration
- */
-static int psbfb_2d_submit(struct drm_psb_private *dev_priv, uint32_t *cmdbuf,
-								unsigned size)
-{
-	int ret = 0;
-	int i;
-	unsigned submit_size;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->lock_2d, flags);
-	while (size > 0) {
-		submit_size = (size < 0x60) ? size : 0x60;
-		size -= submit_size;
-		ret = psb_2d_wait_available(dev_priv, submit_size);
-		if (ret)
-			break;
-
-		submit_size <<= 2;
-
-		for (i = 0; i < submit_size; i += 4)
-			PSB_WSGX32(*cmdbuf++, PSB_SGX_2D_SLAVE_PORT + i);
-
-		(void)PSB_RSGX32(PSB_SGX_2D_SLAVE_PORT + i - 4);
-	}
-	spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
-	return ret;
-}
-
-
-/**
- *	psb_accel_2d_copy_direction	-	compute blit order
- *	@xdir: X direction of move
- *	@ydir: Y direction of move
- *
- *	Compute the correct order setings to ensure that an overlapping blit
- *	correctly copies all the pixels.
- */
-static u32 psb_accel_2d_copy_direction(int xdir, int ydir)
-{
-	if (xdir < 0)
-		return (ydir < 0) ? PSB_2D_COPYORDER_BR2TL :
-						PSB_2D_COPYORDER_TR2BL;
-	else
-		return (ydir < 0) ? PSB_2D_COPYORDER_BL2TR :
-						PSB_2D_COPYORDER_TL2BR;
-}
-
-/**
- *	psb_accel_2d_copy		-	accelerated 2D copy
- *	@dev_priv: our DRM device
- *	@src_offset in bytes
- *	@src_stride in bytes
- *	@src_format psb 2D format defines
- *	@dst_offset in bytes
- *	@dst_stride in bytes
- *	@dst_format psb 2D format defines
- *	@src_x offset in pixels
- *	@src_y offset in pixels
- *	@dst_x offset in pixels
- *	@dst_y offset in pixels
- *	@size_x of the copied area
- *	@size_y of the copied area
- *
- *	Format and issue a 2D accelerated copy command.
- */
-static int psb_accel_2d_copy(struct drm_psb_private *dev_priv,
-			     uint32_t src_offset, uint32_t src_stride,
-			     uint32_t src_format, uint32_t dst_offset,
-			     uint32_t dst_stride, uint32_t dst_format,
-			     uint16_t src_x, uint16_t src_y,
-			     uint16_t dst_x, uint16_t dst_y,
-			     uint16_t size_x, uint16_t size_y)
-{
-	uint32_t blit_cmd;
-	uint32_t buffer[10];
-	uint32_t *buf;
-	uint32_t direction;
-
-	buf = buffer;
-
-	direction =
-	    psb_accel_2d_copy_direction(src_x - dst_x, src_y - dst_y);
-
-	if (direction == PSB_2D_COPYORDER_BR2TL ||
-	    direction == PSB_2D_COPYORDER_TR2BL) {
-		src_x += size_x - 1;
-		dst_x += size_x - 1;
-	}
-	if (direction == PSB_2D_COPYORDER_BR2TL ||
-	    direction == PSB_2D_COPYORDER_BL2TR) {
-		src_y += size_y - 1;
-		dst_y += size_y - 1;
-	}
-
-	blit_cmd =
-	    PSB_2D_BLIT_BH |
-	    PSB_2D_ROT_NONE |
-	    PSB_2D_DSTCK_DISABLE |
-	    PSB_2D_SRCCK_DISABLE |
-	    PSB_2D_USE_PAT | PSB_2D_ROP3_SRCCOPY | direction;
-
-	*buf++ = PSB_2D_FENCE_BH;
-	*buf++ =
-	    PSB_2D_DST_SURF_BH | dst_format | (dst_stride <<
-					       PSB_2D_DST_STRIDE_SHIFT);
-	*buf++ = dst_offset;
-	*buf++ =
-	    PSB_2D_SRC_SURF_BH | src_format | (src_stride <<
-					       PSB_2D_SRC_STRIDE_SHIFT);
-	*buf++ = src_offset;
-	*buf++ =
-	    PSB_2D_SRC_OFF_BH | (src_x << PSB_2D_SRCOFF_XSTART_SHIFT) |
-	    (src_y << PSB_2D_SRCOFF_YSTART_SHIFT);
-	*buf++ = blit_cmd;
-	*buf++ =
-	    (dst_x << PSB_2D_DST_XSTART_SHIFT) | (dst_y <<
-						  PSB_2D_DST_YSTART_SHIFT);
-	*buf++ =
-	    (size_x << PSB_2D_DST_XSIZE_SHIFT) | (size_y <<
-						  PSB_2D_DST_YSIZE_SHIFT);
-	*buf++ = PSB_2D_FLUSH_BH;
-
-	return psbfb_2d_submit(dev_priv, buffer, buf - buffer);
-}
-
-/**
- *	psbfb_copyarea_accel	-	copyarea acceleration for /dev/fb
- *	@info: our framebuffer
- *	@a: copyarea parameters from the framebuffer core
- *
- *	Perform a 2D copy via the accelerator
- */
-static void psbfb_copyarea_accel(struct fb_info *info,
-				 const struct fb_copyarea *a)
-{
-	struct psb_fbdev *fbdev = info->par;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-	struct drm_device *dev = psbfb->base.dev;
-	struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	uint32_t offset;
-	uint32_t stride;
-	uint32_t src_format;
-	uint32_t dst_format;
-
-	if (!fb)
-		return;
-
-	offset = psbfb->gtt->offset;
-	stride = fb->pitches[0];
-
-	switch (fb->depth) {
-	case 8:
-		src_format = PSB_2D_SRC_332RGB;
-		dst_format = PSB_2D_DST_332RGB;
-		break;
-	case 15:
-		src_format = PSB_2D_SRC_555RGB;
-		dst_format = PSB_2D_DST_555RGB;
-		break;
-	case 16:
-		src_format = PSB_2D_SRC_565RGB;
-		dst_format = PSB_2D_DST_565RGB;
-		break;
-	case 24:
-	case 32:
-		/* this is wrong but since we don't do blending its okay */
-		src_format = PSB_2D_SRC_8888ARGB;
-		dst_format = PSB_2D_DST_8888ARGB;
-		break;
-	default:
-		/* software fallback */
-		cfb_copyarea(info, a);
-		return;
-	}
-
-	if (!gma_power_begin(dev, false)) {
-		cfb_copyarea(info, a);
-		return;
-	}
-	psb_accel_2d_copy(dev_priv,
-			  offset, stride, src_format,
-			  offset, stride, dst_format,
-			  a->sx, a->sy, a->dx, a->dy, a->width, a->height);
-	gma_power_end(dev);
-}
-
-/**
- *	psbfb_copyarea	-	2D copy interface
- *	@info: our framebuffer
- *	@region: region to copy
- *
- *	Copy an area of the framebuffer console either by the accelerator
- *	or directly using the cfb helpers according to the request
- */
-void psbfb_copyarea(struct fb_info *info,
-			   const struct fb_copyarea *region)
-{
-	if (unlikely(info->state != FBINFO_STATE_RUNNING))
-		return;
-
-	/* Avoid the 8 pixel erratum */
-	if (region->width == 8 || region->height == 8 ||
-		(info->flags & FBINFO_HWACCEL_DISABLED))
-		return cfb_copyarea(info, region);
-
-	psbfb_copyarea_accel(info, region);
-}
-
-/**
- *	psbfb_sync	-	synchronize 2D
- *	@info: our framebuffer
- *
- *	Wait for the 2D engine to quiesce so that we can do CPU
- *	access to the framebuffer again
- */
-int psbfb_sync(struct fb_info *info)
-{
-	struct psb_fbdev *fbdev = info->par;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-	struct drm_device *dev = psbfb->base.dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long _end = jiffies + DRM_HZ;
-	int busy = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->lock_2d, flags);
-	/*
-	 * First idle the 2D engine.
-	 */
-
-	if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) &&
-	    ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) == 0))
-		goto out;
-
-	do {
-		busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
-		cpu_relax();
-	} while (busy && !time_after_eq(jiffies, _end));
-
-	if (busy)
-		busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
-	if (busy)
-		goto out;
-
-	do {
-		busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
-						_PSB_C2B_STATUS_BUSY) != 0);
-		cpu_relax();
-	} while (busy && !time_after_eq(jiffies, _end));
-	if (busy)
-		busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
-					_PSB_C2B_STATUS_BUSY) != 0);
-
-out:
-	spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
-	return (busy) ? -EBUSY : 0;
-}
-
-int psb_accel_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_psb_2d_op *op = data;
-	u32 *op_ptr = &op->cmd[0];
-	int i;
-	struct drm_gem_object *obj;
-	struct gtt_range *gtt;
-	int err = -EINVAL;
-
-	if (!dev_priv->ops->accel_2d)
-		return -EOPNOTSUPP;
-	if (op->size > PSB_2D_OP_BUFLEN)
-		return -EINVAL;
-
-	/* The GEM object being used. We need to support separate src/dst/etc
-	   in the end but for now keep them all the same */
-	obj = drm_gem_object_lookup(dev, file, op->src);
-	if (obj == NULL)
-		return -ENOENT;
-	gtt = container_of(obj, struct gtt_range, gem);
-
-	if (psb_gtt_pin(gtt) < 0)
-		goto bad_2;
-	for (i = 0; i < op->size; i++, op_ptr++) {
-		u32 r = *op_ptr & 0xF0000000;
-		/* Fill in the GTT offsets for the command buffer */
-		if (r == PSB_2D_SRC_SURF_BH ||
-			r == PSB_2D_DST_SURF_BH ||
-			r == PSB_2D_MASK_SURF_BH ||
-			r == PSB_2D_PAT_SURF_BH) {
-			i++;
-			op_ptr++;
-			if (i == op->size)
-				goto bad;
-			if (*op_ptr)
-				goto bad;
-			*op_ptr = gtt->offset;
-			continue;
-		}
-	}
-	psbfb_2d_submit(dev_priv, op->cmd, op->size);
-	err = 0;
-bad:
-	psb_gtt_unpin(gtt);
-bad_2:
-	drm_gem_object_unreference(obj);
-	return err;
-}
diff --git a/drivers/staging/gma500/backlight.c b/drivers/staging/gma500/backlight.c
deleted file mode 100644
index 20793951fcac..000000000000
--- a/drivers/staging/gma500/backlight.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * GMA500 Backlight Interface
- *
- * Copyright (c) 2009-2011, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Eric Knopp
- *
- */
-
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_drv.h"
-#include "intel_bios.h"
-#include "power.h"
-
-int gma_backlight_init(struct drm_device *dev)
-{
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	return dev_priv->ops->backlight_init(dev);
-#else
-	return 0;
-#endif
-}
-
-void gma_backlight_exit(struct drm_device *dev)
-{
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	if (dev_priv->backlight_device) {
-		dev_priv->backlight_device->props.brightness = 0;
-		backlight_update_status(dev_priv->backlight_device);
-		backlight_device_unregister(dev_priv->backlight_device);
-	}
-#endif
-}
diff --git a/drivers/staging/gma500/cdv_device.c b/drivers/staging/gma500/cdv_device.c
deleted file mode 100644
index 8ec10caab13e..000000000000
--- a/drivers/staging/gma500/cdv_device.c
+++ /dev/null
@@ -1,350 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-#include "cdv_device.h"
-
-#define VGA_SR_INDEX		0x3c4
-#define VGA_SR_DATA		0x3c5
-
-static void cdv_disable_vga(struct drm_device *dev)
-{
-	u8 sr1;
-	u32 vga_reg;
-
-	vga_reg = VGACNTRL;
-
-	outb(1, VGA_SR_INDEX);
-	sr1 = inb(VGA_SR_DATA);
-	outb(sr1 | 1<<5, VGA_SR_DATA);
-	udelay(300);
-
-	REG_WRITE(vga_reg, VGA_DISP_DISABLE);
-	REG_READ(vga_reg);
-}
-
-static int cdv_output_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	cdv_disable_vga(dev);
-
-	cdv_intel_crt_init(dev, &dev_priv->mode_dev);
-	cdv_intel_lvds_init(dev, &dev_priv->mode_dev);
-
-	/* These bits indicate HDMI not SDVO on CDV, but we don't yet support
-	   the HDMI interface */
-	if (REG_READ(SDVOB) & SDVO_DETECTED)
-		cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOB);
-	if (REG_READ(SDVOC) & SDVO_DETECTED)
-		cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOC);
-	return 0;
-}
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-/*
- *	Poulsbo Backlight Interfaces
- */
-
-#define BLC_PWM_PRECISION_FACTOR 100	/* 10000000 */
-#define BLC_PWM_FREQ_CALC_CONSTANT 32
-#define MHz 1000000
-
-#define PSB_BLC_PWM_PRECISION_FACTOR    10
-#define PSB_BLC_MAX_PWM_REG_FREQ        0xFFFE
-#define PSB_BLC_MIN_PWM_REG_FREQ        0x2
-
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT	(16)
-
-static int cdv_brightness;
-static struct backlight_device *cdv_backlight_device;
-
-static int cdv_get_brightness(struct backlight_device *bd)
-{
-	/* return locally cached var instead of HW read (due to DPST etc.) */
-	/* FIXME: ideally return actual value in case firmware fiddled with
-	   it */
-	return cdv_brightness;
-}
-
-
-static int cdv_backlight_setup(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long core_clock;
-	/* u32 bl_max_freq; */
-	/* unsigned long value; */
-	u16 bl_max_freq;
-	uint32_t value;
-	uint32_t blc_pwm_precision_factor;
-
-	/* get bl_max_freq and pol from dev_priv*/
-	if (!dev_priv->lvds_bl) {
-		dev_err(dev->dev, "Has no valid LVDS backlight info\n");
-		return -ENOENT;
-	}
-	bl_max_freq = dev_priv->lvds_bl->freq;
-	blc_pwm_precision_factor = PSB_BLC_PWM_PRECISION_FACTOR;
-
-	core_clock = dev_priv->core_freq;
-
-	value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
-	value *= blc_pwm_precision_factor;
-	value /= bl_max_freq;
-	value /= blc_pwm_precision_factor;
-
-	if (value > (unsigned long long)PSB_BLC_MAX_PWM_REG_FREQ ||
-		 value < (unsigned long long)PSB_BLC_MIN_PWM_REG_FREQ)
-				return -ERANGE;
-	else {
-		/* FIXME */
-	}
-	return 0;
-}
-
-static int cdv_set_brightness(struct backlight_device *bd)
-{
-	int level = bd->props.brightness;
-
-	/* Percentage 1-100% being valid */
-	if (level < 1)
-		level = 1;
-
-	/*cdv_intel_lvds_set_brightness(dev, level); FIXME */
-	cdv_brightness = level;
-	return 0;
-}
-
-static const struct backlight_ops cdv_ops = {
-	.get_brightness = cdv_get_brightness,
-	.update_status  = cdv_set_brightness,
-};
-
-static int cdv_backlight_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int ret;
-	struct backlight_properties props;
-
-	memset(&props, 0, sizeof(struct backlight_properties));
-	props.max_brightness = 100;
-	props.type = BACKLIGHT_PLATFORM;
-
-	cdv_backlight_device = backlight_device_register("psb-bl",
-					NULL, (void *)dev, &cdv_ops, &props);
-	if (IS_ERR(cdv_backlight_device))
-		return PTR_ERR(cdv_backlight_device);
-
-	ret = cdv_backlight_setup(dev);
-	if (ret < 0) {
-		backlight_device_unregister(cdv_backlight_device);
-		cdv_backlight_device = NULL;
-		return ret;
-	}
-	cdv_backlight_device->props.brightness = 100;
-	cdv_backlight_device->props.max_brightness = 100;
-	backlight_update_status(cdv_backlight_device);
-	dev_priv->backlight_device = cdv_backlight_device;
-	return 0;
-}
-
-#endif
-
-/*
- *	Provide the Cedarview specific chip logic and low level methods
- *	for power management
- *
- *	FIXME: we need to implement the apm/ospm base management bits
- *	for this and the MID devices.
- */
-
-static inline u32 CDV_MSG_READ32(uint port, uint offset)
-{
-	int mcr = (0x10<<24) | (port << 16) | (offset << 8);
-	uint32_t ret_val = 0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_read_config_dword(pci_root, 0xD4, &ret_val);
-	pci_dev_put(pci_root);
-	return ret_val;
-}
-
-static inline void CDV_MSG_WRITE32(uint port, uint offset, u32 value)
-{
-	int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD4, value);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_dev_put(pci_root);
-}
-
-#define PSB_APM_CMD			0x0
-#define PSB_APM_STS			0x04
-#define PSB_PM_SSC			0x20
-#define PSB_PM_SSS			0x30
-#define PSB_PWRGT_GFX_MASK		0x3
-#define CDV_PWRGT_DISPLAY_CNTR		0x000fc00c
-#define CDV_PWRGT_DISPLAY_STS		0x000fc00c
-
-static void cdv_init_pm(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pwr_cnt;
-	int i;
-
-	dev_priv->apm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
-							PSB_APMBA) & 0xFFFF;
-	dev_priv->ospm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
-							PSB_OSPMBA) & 0xFFFF;
-
-	/* Force power on for now */
-	pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
-	pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
-
-	outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
-	for (i = 0; i < 5; i++) {
-		u32 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
-		if ((pwr_sts & PSB_PWRGT_GFX_MASK) == 0)
-			break;
-		udelay(10);
-	}
-	pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
-	pwr_cnt &= ~CDV_PWRGT_DISPLAY_CNTR;
-	outl(pwr_cnt, dev_priv->ospm_base + PSB_PM_SSC);
-	for (i = 0; i < 5; i++) {
-		u32 pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
-		if ((pwr_sts & CDV_PWRGT_DISPLAY_STS) == 0)
-			break;
-		udelay(10);
-	}
-}
-
-/**
- *	cdv_save_display_registers	-	save registers lost on suspend
- *	@dev: our DRM device
- *
- *	Save the state we need in order to be able to restore the interface
- *	upon resume from suspend
- *
- *	FIXME: review
- */
-static int cdv_save_display_registers(struct drm_device *dev)
-{
-	return 0;
-}
-
-/**
- *	cdv_restore_display_registers	-	restore lost register state
- *	@dev: our DRM device
- *
- *	Restore register state that was lost during suspend and resume.
- *
- *	FIXME: review
- */
-static int cdv_restore_display_registers(struct drm_device *dev)
-{
-	return 0;
-}
-
-static int cdv_power_down(struct drm_device *dev)
-{
-	return 0;
-}
-
-static int cdv_power_up(struct drm_device *dev)
-{
-	return 0;
-}
-
-/* FIXME ? - shared with Poulsbo */
-static void cdv_get_core_freq(struct drm_device *dev)
-{
-	uint32_t clock;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	pci_write_config_dword(pci_root, 0xD0, 0xD0050300);
-	pci_read_config_dword(pci_root, 0xD4, &clock);
-	pci_dev_put(pci_root);
-
-	switch (clock & 0x07) {
-	case 0:
-		dev_priv->core_freq = 100;
-		break;
-	case 1:
-		dev_priv->core_freq = 133;
-		break;
-	case 2:
-		dev_priv->core_freq = 150;
-		break;
-	case 3:
-		dev_priv->core_freq = 178;
-		break;
-	case 4:
-		dev_priv->core_freq = 200;
-		break;
-	case 5:
-	case 6:
-	case 7:
-		dev_priv->core_freq = 266;
-	default:
-		dev_priv->core_freq = 0;
-	}
-}
-
-static int cdv_chip_setup(struct drm_device *dev)
-{
-	cdv_get_core_freq(dev);
-	gma_intel_opregion_init(dev);
-	psb_intel_init_bios(dev);
-	return 0;
-}
-
-/* CDV is much like Poulsbo but has MID like SGX offsets and PM */
-
-const struct psb_ops cdv_chip_ops = {
-	.name = "Cedartrail",
-	.accel_2d = 0,
-	.pipes = 2,
-	.sgx_offset = MRST_SGX_OFFSET,
-	.chip_setup = cdv_chip_setup,
-
-	.crtc_helper = &cdv_intel_helper_funcs,
-	.crtc_funcs = &cdv_intel_crtc_funcs,
-
-	.output_init = cdv_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = cdv_backlight_init,
-#endif
-
-	.init_pm = cdv_init_pm,
-	.save_regs = cdv_save_display_registers,
-	.restore_regs = cdv_restore_display_registers,
-	.power_down = cdv_power_down,
-	.power_up = cdv_power_up,
-};
diff --git a/drivers/staging/gma500/cdv_device.h b/drivers/staging/gma500/cdv_device.h
deleted file mode 100644
index 2a88b7beb551..000000000000
--- a/drivers/staging/gma500/cdv_device.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright © 2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-extern const struct drm_crtc_helper_funcs cdv_intel_helper_funcs;
-extern const struct drm_crtc_funcs cdv_intel_crtc_funcs;
-extern void cdv_intel_crt_init(struct drm_device *dev,
-			struct psb_intel_mode_device *mode_dev);
-extern void cdv_intel_lvds_init(struct drm_device *dev,
-			struct psb_intel_mode_device *mode_dev);
-extern void cdv_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev,
-			int reg);
-extern struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev,
-					     struct drm_crtc *crtc);
-
-extern inline void cdv_intel_wait_for_vblank(struct drm_device *dev)
-{
-	/* Wait for 20ms, i.e. one cycle at 50hz. */
-        /* FIXME: msleep ?? */
-	mdelay(20);
-}
-
-
diff --git a/drivers/staging/gma500/cdv_intel_crt.c b/drivers/staging/gma500/cdv_intel_crt.c
deleted file mode 100644
index efda63b97b45..000000000000
--- a/drivers/staging/gma500/cdv_intel_crt.c
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * Copyright © 2006-2007 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <drm/drmP.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-
-static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	u32 temp, reg;
-	reg = ADPA;
-
-	temp = REG_READ(reg);
-	temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
-	temp &= ~ADPA_DAC_ENABLE;
-
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-		temp |= ADPA_DAC_ENABLE;
-		break;
-	case DRM_MODE_DPMS_STANDBY:
-		temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE;
-		break;
-	case DRM_MODE_DPMS_SUSPEND:
-		temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE;
-		break;
-	case DRM_MODE_DPMS_OFF:
-		temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;
-		break;
-	}
-
-	REG_WRITE(reg, temp);
-}
-
-static int cdv_intel_crt_mode_valid(struct drm_connector *connector,
-				struct drm_display_mode *mode)
-{
-	int max_clock = 0;
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	/* The lowest clock for CDV is 20000KHz */
-	if (mode->clock < 20000)
-		return MODE_CLOCK_LOW;
-
-	/* The max clock for CDV is 355 instead of 400 */
-	max_clock = 355000;
-	if (mode->clock > max_clock)
-		return MODE_CLOCK_HIGH;
-
-	if (mode->hdisplay > 1680 || mode->vdisplay > 1050)
-		return MODE_PANEL;
-
-	return MODE_OK;
-}
-
-static bool cdv_intel_crt_mode_fixup(struct drm_encoder *encoder,
-				 struct drm_display_mode *mode,
-				 struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-static void cdv_intel_crt_mode_set(struct drm_encoder *encoder,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode)
-{
-
-	struct drm_device *dev = encoder->dev;
-	struct drm_crtc *crtc = encoder->crtc;
-	struct psb_intel_crtc *psb_intel_crtc =
-					to_psb_intel_crtc(crtc);
-	int dpll_md_reg;
-	u32 adpa, dpll_md;
-	u32 adpa_reg;
-
-	if (psb_intel_crtc->pipe == 0)
-		dpll_md_reg = DPLL_A_MD;
-	else
-		dpll_md_reg = DPLL_B_MD;
-
-	adpa_reg = ADPA;
-
-	/*
-	 * Disable separate mode multiplier used when cloning SDVO to CRT
-	 * XXX this needs to be adjusted when we really are cloning
-	 */
-	{
-		dpll_md = REG_READ(dpll_md_reg);
-		REG_WRITE(dpll_md_reg,
-			   dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
-	}
-
-	adpa = 0;
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
-		adpa |= ADPA_HSYNC_ACTIVE_HIGH;
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-		adpa |= ADPA_VSYNC_ACTIVE_HIGH;
-
-	if (psb_intel_crtc->pipe == 0)
-		adpa |= ADPA_PIPE_A_SELECT;
-	else
-		adpa |= ADPA_PIPE_B_SELECT;
-
-	REG_WRITE(adpa_reg, adpa);
-}
-
-
-/**
- * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
- *
- * \return true if CRT is connected.
- * \return false if CRT is disconnected.
- */
-static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector,
-								bool force)
-{
-	struct drm_device *dev = connector->dev;
-	u32 hotplug_en;
-	int i, tries = 0, ret = false;
-	u32 adpa_orig;
-
-	/* disable the DAC when doing the hotplug detection */
-
-	adpa_orig = REG_READ(ADPA);
-
-	REG_WRITE(ADPA, adpa_orig & ~(ADPA_DAC_ENABLE));
-
-	/*
-	 * On a CDV thep, CRT detect sequence need to be done twice
-	 * to get a reliable result.
-	 */
-	tries = 2;
-
-	hotplug_en = REG_READ(PORT_HOTPLUG_EN);
-	hotplug_en &= ~(CRT_HOTPLUG_DETECT_MASK);
-	hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
-
-	hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
-	hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
-
-	for (i = 0; i < tries ; i++) {
-		unsigned long timeout;
-		/* turn on the FORCE_DETECT */
-		REG_WRITE(PORT_HOTPLUG_EN, hotplug_en);
-		timeout = jiffies + msecs_to_jiffies(1000);
-		/* wait for FORCE_DETECT to go off */
-		do {
-			if (!(REG_READ(PORT_HOTPLUG_EN) &
-					CRT_HOTPLUG_FORCE_DETECT))
-				break;
-			msleep(1);
-		} while (time_after(timeout, jiffies));
-	}
-
-	if ((REG_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) !=
-	    CRT_HOTPLUG_MONITOR_NONE)
-		ret = true;
-
-	/* Restore the saved ADPA */
-	REG_WRITE(ADPA, adpa_orig);
-	return ret;
-}
-
-static enum drm_connector_status cdv_intel_crt_detect(
-				struct drm_connector *connector, bool force)
-{
-	if (cdv_intel_crt_detect_hotplug(connector, force))
-		return connector_status_connected;
-	else
-		return connector_status_disconnected;
-}
-
-static void cdv_intel_crt_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output *intel_output = to_psb_intel_output(connector);
-
-	psb_intel_i2c_destroy(intel_output->ddc_bus);
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
-static int cdv_intel_crt_get_modes(struct drm_connector *connector)
-{
-	struct psb_intel_output *intel_output =
-				to_psb_intel_output(connector);
-	return psb_intel_ddc_get_modes(intel_output);
-}
-
-static int cdv_intel_crt_set_property(struct drm_connector *connector,
-				  struct drm_property *property,
-				  uint64_t value)
-{
-	return 0;
-}
-
-/*
- * Routines for controlling stuff on the analog port
- */
-
-static const struct drm_encoder_helper_funcs cdv_intel_crt_helper_funcs = {
-	.dpms = cdv_intel_crt_dpms,
-	.mode_fixup = cdv_intel_crt_mode_fixup,
-	.prepare = psb_intel_encoder_prepare,
-	.commit = psb_intel_encoder_commit,
-	.mode_set = cdv_intel_crt_mode_set,
-};
-
-static const struct drm_connector_funcs cdv_intel_crt_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.detect = cdv_intel_crt_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = cdv_intel_crt_destroy,
-	.set_property = cdv_intel_crt_set_property,
-};
-
-static const struct drm_connector_helper_funcs
-				cdv_intel_crt_connector_helper_funcs = {
-	.mode_valid = cdv_intel_crt_mode_valid,
-	.get_modes = cdv_intel_crt_get_modes,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-static void cdv_intel_crt_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs cdv_intel_crt_enc_funcs = {
-	.destroy = cdv_intel_crt_enc_destroy,
-};
-
-void cdv_intel_crt_init(struct drm_device *dev,
-			struct psb_intel_mode_device *mode_dev)
-{
-
-	struct psb_intel_output *psb_intel_output;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-
-	u32 i2c_reg;
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	psb_intel_output->mode_dev = mode_dev;
-	connector = &psb_intel_output->base;
-	drm_connector_init(dev, connector,
-		&cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
-
-	encoder = &psb_intel_output->enc;
-	drm_encoder_init(dev, encoder,
-		&cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC);
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-
-	/* Set up the DDC bus. */
-	i2c_reg = GPIOA;
-	/* Remove the following code for CDV */
-	/*
-	if (dev_priv->crt_ddc_bus != 0)
-		i2c_reg = dev_priv->crt_ddc_bus;
-	}*/
-	psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-						i2c_reg, "CRTDDC_A");
-	if (!psb_intel_output->ddc_bus) {
-		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
-			   "failed.\n");
-		goto failed_ddc;
-	}
-
-	psb_intel_output->type = INTEL_OUTPUT_ANALOG;
-	/*
-	psb_intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT);
-	psb_intel_output->crtc_mask = (1 << 0) | (1 << 1);
-	*/
-	connector->interlace_allowed = 0;
-	connector->doublescan_allowed = 0;
-
-	drm_encoder_helper_add(encoder, &cdv_intel_crt_helper_funcs);
-	drm_connector_helper_add(connector,
-					&cdv_intel_crt_connector_helper_funcs);
-
-	drm_sysfs_connector_add(connector);
-
-	return;
-failed_ddc:
-	drm_encoder_cleanup(&psb_intel_output->enc);
-	drm_connector_cleanup(&psb_intel_output->base);
-	kfree(psb_intel_output);
-	return;
-}
diff --git a/drivers/staging/gma500/cdv_intel_display.c b/drivers/staging/gma500/cdv_intel_display.c
deleted file mode 100644
index c63a32776a9e..000000000000
--- a/drivers/staging/gma500/cdv_intel_display.c
+++ /dev/null
@@ -1,1508 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/drmP.h>
-#include "framebuffer.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_display.h"
-#include "power.h"
-#include "cdv_device.h"
-
-
-struct cdv_intel_range_t {
-	int min, max;
-};
-
-struct cdv_intel_p2_t {
-	int dot_limit;
-	int p2_slow, p2_fast;
-};
-
-struct cdv_intel_clock_t {
-	/* given values */
-	int n;
-	int m1, m2;
-	int p1, p2;
-	/* derived values */
-	int dot;
-	int vco;
-	int m;
-	int p;
-};
-
-#define INTEL_P2_NUM		      2
-
-struct cdv_intel_limit_t {
-	struct cdv_intel_range_t dot, vco, n, m, m1, m2, p, p1;
-	struct cdv_intel_p2_t p2;
-};
-
-#define CDV_LIMIT_SINGLE_LVDS_96	0
-#define CDV_LIMIT_SINGLE_LVDS_100	1
-#define CDV_LIMIT_DAC_HDMI_27		2
-#define CDV_LIMIT_DAC_HDMI_96		3
-
-static const struct cdv_intel_limit_t cdv_intel_limits[] = {
-	{			/* CDV_SIGNLE_LVDS_96MHz */
-	 .dot = {.min = 20000, .max = 115500},
-	 .vco = {.min = 1800000, .max = 3600000},
-	 .n = {.min = 2, .max = 6},
-	 .m = {.min = 60, .max = 160},
-	 .m1 = {.min = 0, .max = 0},
-	 .m2 = {.min = 58, .max = 158},
-	 .p = {.min = 28, .max = 140},
-	 .p1 = {.min = 2, .max = 10},
-	 .p2 = {.dot_limit = 200000,
-		.p2_slow = 14, .p2_fast = 14},
-	 },
-	{			/* CDV_SINGLE_LVDS_100MHz */
-	 .dot = {.min = 20000, .max = 115500},
-	 .vco = {.min = 1800000, .max = 3600000},
-	 .n = {.min = 2, .max = 6},
-	 .m = {.min = 60, .max = 160},
-	 .m1 = {.min = 0, .max = 0},
-	 .m2 = {.min = 58, .max = 158},
-	 .p = {.min = 28, .max = 140},
-	 .p1 = {.min = 2, .max = 10},
-	 /* The single-channel range is 25-112Mhz, and dual-channel
-	  * is 80-224Mhz.  Prefer single channel as much as possible.
-	  */
-	 .p2 = {.dot_limit = 200000, .p2_slow = 14, .p2_fast = 14},
-	 },
-	{			/* CDV_DAC_HDMI_27MHz */
-	 .dot = {.min = 20000, .max = 400000},
-	 .vco = {.min = 1809000, .max = 3564000},
-	 .n = {.min = 1, .max = 1},
-	 .m = {.min = 67, .max = 132},
-	 .m1 = {.min = 0, .max = 0},
-	 .m2 = {.min = 65, .max = 130},
-	 .p = {.min = 5, .max = 90},
-	 .p1 = {.min = 1, .max = 9},
-	 .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5},
-	 },
-	{			/* CDV_DAC_HDMI_96MHz */
-	 .dot = {.min = 20000, .max = 400000},
-	 .vco = {.min = 1800000, .max = 3600000},
-	 .n = {.min = 2, .max = 6},
-	 .m = {.min = 60, .max = 160},
-	 .m1 = {.min = 0, .max = 0},
-	 .m2 = {.min = 58, .max = 158},
-	 .p = {.min = 5, .max = 100},
-	 .p1 = {.min = 1, .max = 10},
-	 .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5},
-	 },
-};
-
-#define _wait_for(COND, MS, W) ({ \
-	unsigned long timeout__ = jiffies + msecs_to_jiffies(MS);	\
-	int ret__ = 0;							\
-	while (!(COND)) {						\
-		if (time_after(jiffies, timeout__)) {			\
-			ret__ = -ETIMEDOUT;				\
-			break;						\
-		}							\
-		if (W && !in_dbg_master())				\
-			msleep(W);					\
-	}								\
-	ret__;								\
-})
-
-#define wait_for(COND, MS) _wait_for(COND, MS, 1)
-
-
-static int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val)
-{
-	int ret;
-
-	ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-	if (ret) {
-		DRM_ERROR("timeout waiting for SB to idle before read\n");
-		return ret;
-	}
-
-	REG_WRITE(SB_ADDR, reg);
-	REG_WRITE(SB_PCKT,
-		   SET_FIELD(SB_OPCODE_READ, SB_OPCODE) |
-		   SET_FIELD(SB_DEST_DPLL, SB_DEST) |
-		   SET_FIELD(0xf, SB_BYTE_ENABLE));
-
-	ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-	if (ret) {
-		DRM_ERROR("timeout waiting for SB to idle after read\n");
-		return ret;
-	}
-
-	*val = REG_READ(SB_DATA);
-
-	return 0;
-}
-
-static int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val)
-{
-	int ret;
-	static bool dpio_debug = true;
-	u32 temp;
-
-	if (dpio_debug) {
-		if (cdv_sb_read(dev, reg, &temp) == 0)
-			DRM_DEBUG_KMS("0x%08x: 0x%08x (before)\n", reg, temp);
-		DRM_DEBUG_KMS("0x%08x: 0x%08x\n", reg, val);
-	}
-
-	ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-	if (ret) {
-		DRM_ERROR("timeout waiting for SB to idle before write\n");
-		return ret;
-	}
-
-	REG_WRITE(SB_ADDR, reg);
-	REG_WRITE(SB_DATA, val);
-	REG_WRITE(SB_PCKT,
-		   SET_FIELD(SB_OPCODE_WRITE, SB_OPCODE) |
-		   SET_FIELD(SB_DEST_DPLL, SB_DEST) |
-		   SET_FIELD(0xf, SB_BYTE_ENABLE));
-
-	ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-	if (ret) {
-		DRM_ERROR("timeout waiting for SB to idle after write\n");
-		return ret;
-	}
-
-	if (dpio_debug) {
-		if (cdv_sb_read(dev, reg, &temp) == 0)
-			DRM_DEBUG_KMS("0x%08x: 0x%08x (after)\n", reg, temp);
-	}
-
-	return 0;
-}
-
-/* Reset the DPIO configuration register.  The BIOS does this at every
- * mode set.
- */
-static void cdv_sb_reset(struct drm_device *dev)
-{
-
-	REG_WRITE(DPIO_CFG, 0);
-	REG_READ(DPIO_CFG);
-	REG_WRITE(DPIO_CFG, DPIO_MODE_SELECT_0 | DPIO_CMN_RESET_N);
-}
-
-/* Unlike most Intel display engines, on Cedarview the DPLL registers
- * are behind this sideband bus.  They must be programmed while the
- * DPLL reference clock is on in the DPLL control register, but before
- * the DPLL is enabled in the DPLL control register.
- */
-static int
-cdv_dpll_set_clock_cdv(struct drm_device *dev, struct drm_crtc *crtc,
-			       struct cdv_intel_clock_t *clock)
-{
-	struct psb_intel_crtc *psb_crtc =
-				to_psb_intel_crtc(crtc);
-	int pipe = psb_crtc->pipe;
-	u32 m, n_vco, p;
-	int ret = 0;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-	u32 ref_value;
-
-	cdv_sb_reset(dev);
-
-	if ((REG_READ(dpll_reg) & DPLL_SYNCLOCK_ENABLE) == 0) {
-		DRM_ERROR("Attempting to set DPLL with refclk disabled\n");
-		return -EBUSY;
-	}
-
-	/* Follow the BIOS and write the REF/SFR Register. Hardcoded value */
-	ref_value = 0x68A701;
-
-	cdv_sb_write(dev, SB_REF_SFR(pipe), ref_value);
-
-	/* We don't know what the other fields of these regs are, so
-	 * leave them in place.
-	 */
-	ret = cdv_sb_read(dev, SB_M(pipe), &m);
-	if (ret)
-		return ret;
-	m &= ~SB_M_DIVIDER_MASK;
-	m |= ((clock->m2) << SB_M_DIVIDER_SHIFT);
-	ret = cdv_sb_write(dev, SB_M(pipe), m);
-	if (ret)
-		return ret;
-
-	ret = cdv_sb_read(dev, SB_N_VCO(pipe), &n_vco);
-	if (ret)
-		return ret;
-
-	/* Follow the BIOS to program the N_DIVIDER REG */
-	n_vco &= 0xFFFF;
-	n_vco |= 0x107;
-	n_vco &= ~(SB_N_VCO_SEL_MASK |
-		   SB_N_DIVIDER_MASK |
-		   SB_N_CB_TUNE_MASK);
-
-	n_vco |= ((clock->n) << SB_N_DIVIDER_SHIFT);
-
-	if (clock->vco < 2250000) {
-		n_vco |= (2 << SB_N_CB_TUNE_SHIFT);
-		n_vco |= (0 << SB_N_VCO_SEL_SHIFT);
-	} else if (clock->vco < 2750000) {
-		n_vco |= (1 << SB_N_CB_TUNE_SHIFT);
-		n_vco |= (1 << SB_N_VCO_SEL_SHIFT);
-	} else if (clock->vco < 3300000) {
-		n_vco |= (0 << SB_N_CB_TUNE_SHIFT);
-		n_vco |= (2 << SB_N_VCO_SEL_SHIFT);
-	} else {
-		n_vco |= (0 << SB_N_CB_TUNE_SHIFT);
-		n_vco |= (3 << SB_N_VCO_SEL_SHIFT);
-	}
-
-	ret = cdv_sb_write(dev, SB_N_VCO(pipe), n_vco);
-	if (ret)
-		return ret;
-
-	ret = cdv_sb_read(dev, SB_P(pipe), &p);
-	if (ret)
-		return ret;
-	p &= ~(SB_P2_DIVIDER_MASK | SB_P1_DIVIDER_MASK);
-	p |= SET_FIELD(clock->p1, SB_P1_DIVIDER);
-	switch (clock->p2) {
-	case 5:
-		p |= SET_FIELD(SB_P2_5, SB_P2_DIVIDER);
-		break;
-	case 10:
-		p |= SET_FIELD(SB_P2_10, SB_P2_DIVIDER);
-		break;
-	case 14:
-		p |= SET_FIELD(SB_P2_14, SB_P2_DIVIDER);
-		break;
-	case 7:
-		p |= SET_FIELD(SB_P2_7, SB_P2_DIVIDER);
-		break;
-	default:
-		DRM_ERROR("Bad P2 clock: %d\n", clock->p2);
-		return -EINVAL;
-	}
-	ret = cdv_sb_write(dev, SB_P(pipe), p);
-	if (ret)
-		return ret;
-
-	/* always Program the Lane Register for the Pipe A*/
-	if (pipe == 0) {
-		/* Program the Lane0/1 for HDMI B */
-		u32 lane_reg, lane_value;
-
-		lane_reg = PSB_LANE0;
-		cdv_sb_read(dev, lane_reg, &lane_value);
-		lane_value &= ~(LANE_PLL_MASK);
-		lane_value |= LANE_PLL_ENABLE;
-		cdv_sb_write(dev, lane_reg, lane_value);
-
-		lane_reg = PSB_LANE1;
-		cdv_sb_read(dev, lane_reg, &lane_value);
-		lane_value &= ~(LANE_PLL_MASK);
-		lane_value |= LANE_PLL_ENABLE;
-		cdv_sb_write(dev, lane_reg, lane_value);
-
-		/* Program the Lane2/3 for HDMI C */
-		lane_reg = PSB_LANE2;
-		cdv_sb_read(dev, lane_reg, &lane_value);
-		lane_value &= ~(LANE_PLL_MASK);
-		lane_value |= LANE_PLL_ENABLE;
-		cdv_sb_write(dev, lane_reg, lane_value);
-
-		lane_reg = PSB_LANE3;
-		cdv_sb_read(dev, lane_reg, &lane_value);
-		lane_value &= ~(LANE_PLL_MASK);
-		lane_value |= LANE_PLL_ENABLE;
-		cdv_sb_write(dev, lane_reg, lane_value);
-	}
-
-	return 0;
-}
-
-/*
- * Returns whether any output on the specified pipe is of the specified type
- */
-bool cdv_intel_pipe_has_type(struct drm_crtc *crtc, int type)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *l_entry;
-
-	list_for_each_entry(l_entry, &mode_config->connector_list, head) {
-		if (l_entry->encoder && l_entry->encoder->crtc == crtc) {
-			struct psb_intel_output *psb_intel_output =
-			    to_psb_intel_output(l_entry);
-			if (psb_intel_output->type == type)
-				return true;
-		}
-	}
-	return false;
-}
-
-static const struct cdv_intel_limit_t *cdv_intel_limit(struct drm_crtc *crtc,
-							int refclk)
-{
-	const struct cdv_intel_limit_t *limit;
-	if (cdv_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-		/*
-		 * Now only single-channel LVDS is supported on CDV. If it is
-		 * incorrect, please add the dual-channel LVDS.
-		 */
-		if (refclk == 96000)
-			limit = &cdv_intel_limits[CDV_LIMIT_SINGLE_LVDS_96];
-		else
-			limit = &cdv_intel_limits[CDV_LIMIT_SINGLE_LVDS_100];
-	} else {
-		if (refclk == 27000)
-			limit = &cdv_intel_limits[CDV_LIMIT_DAC_HDMI_27];
-		else
-			limit = &cdv_intel_limits[CDV_LIMIT_DAC_HDMI_96];
-	}
-	return limit;
-}
-
-/* m1 is reserved as 0 in CDV, n is a ring counter */
-static void cdv_intel_clock(struct drm_device *dev,
-			int refclk, struct cdv_intel_clock_t *clock)
-{
-	clock->m = clock->m2 + 2;
-	clock->p = clock->p1 * clock->p2;
-	clock->vco = (refclk * clock->m) / clock->n;
-	clock->dot = clock->vco / clock->p;
-}
-
-
-#define INTELPllInvalid(s)   { /* ErrorF (s) */; return false; }
-static bool cdv_intel_PLL_is_valid(struct drm_crtc *crtc,
-				const struct cdv_intel_limit_t *limit,
-			       struct cdv_intel_clock_t *clock)
-{
-	if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
-		INTELPllInvalid("p1 out of range\n");
-	if (clock->p < limit->p.min || limit->p.max < clock->p)
-		INTELPllInvalid("p out of range\n");
-	/* unnecessary to check the range of m(m1/M2)/n again */
-	if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
-		INTELPllInvalid("vco out of range\n");
-	/* XXX: We may need to be checking "Dot clock"
-	 * depending on the multiplier, connector, etc.,
-	 * rather than just a single range.
-	 */
-	if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
-		INTELPllInvalid("dot out of range\n");
-
-	return true;
-}
-
-static bool cdv_intel_find_best_PLL(struct drm_crtc *crtc, int target,
-				int refclk,
-				struct cdv_intel_clock_t *best_clock)
-{
-	struct drm_device *dev = crtc->dev;
-	struct cdv_intel_clock_t clock;
-	const struct cdv_intel_limit_t *limit = cdv_intel_limit(crtc, refclk);
-	int err = target;
-
-
-	if (cdv_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
-	    (REG_READ(LVDS) & LVDS_PORT_EN) != 0) {
-		/*
-		 * For LVDS, if the panel is on, just rely on its current
-		 * settings for dual-channel.  We haven't figured out how to
-		 * reliably set up different single/dual channel state, if we
-		 * even can.
-		 */
-		if ((REG_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
-		    LVDS_CLKB_POWER_UP)
-			clock.p2 = limit->p2.p2_fast;
-		else
-			clock.p2 = limit->p2.p2_slow;
-	} else {
-		if (target < limit->p2.dot_limit)
-			clock.p2 = limit->p2.p2_slow;
-		else
-			clock.p2 = limit->p2.p2_fast;
-	}
-
-	memset(best_clock, 0, sizeof(*best_clock));
-	clock.m1 = 0;
-	/* m1 is reserved as 0 in CDV, n is a ring counter.
-	   So skip the m1 loop */
-	for (clock.n = limit->n.min; clock.n <= limit->n.max; clock.n++) {
-		for (clock.m2 = limit->m2.min; clock.m2 <= limit->m2.max;
-					     clock.m2++) {
-			for (clock.p1 = limit->p1.min;
-					clock.p1 <= limit->p1.max;
-					clock.p1++) {
-				int this_err;
-
-				cdv_intel_clock(dev, refclk, &clock);
-
-				if (!cdv_intel_PLL_is_valid(crtc,
-								limit, &clock))
-						continue;
-
-				this_err = abs(clock.dot - target);
-				if (this_err < err) {
-					*best_clock = clock;
-					err = this_err;
-				}
-			}
-		}
-	}
-
-	return err != target;
-}
-
-int cdv_intel_pipe_set_base(struct drm_crtc *crtc,
-			    int x, int y, struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-	int pipe = psb_intel_crtc->pipe;
-	unsigned long start, offset;
-	int dspbase = (pipe == 0 ? DSPABASE : DSPBBASE);
-	int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
-	int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	u32 dspcntr;
-	int ret = 0;
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	/* no fb bound */
-	if (!crtc->fb) {
-		dev_err(dev->dev, "No FB bound\n");
-		goto psb_intel_pipe_cleaner;
-	}
-
-
-	/* We are displaying this buffer, make sure it is actually loaded
-	   into the GTT */
-	ret = psb_gtt_pin(psbfb->gtt);
-	if (ret < 0)
-		goto psb_intel_pipe_set_base_exit;
-	start = psbfb->gtt->offset;
-	offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-	REG_WRITE(dspstride, crtc->fb->pitches[0]);
-
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-	switch (crtc->fb->bits_per_pixel) {
-	case 8:
-		dspcntr |= DISPPLANE_8BPP;
-		break;
-	case 16:
-		if (crtc->fb->depth == 15)
-			dspcntr |= DISPPLANE_15_16BPP;
-		else
-			dspcntr |= DISPPLANE_16BPP;
-		break;
-	case 24:
-	case 32:
-		dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-		break;
-	default:
-		dev_err(dev->dev, "Unknown color depth\n");
-		ret = -EINVAL;
-		goto psb_intel_pipe_set_base_exit;
-	}
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-	dev_dbg(dev->dev,
-		"Writing base %08lX %08lX %d %d\n", start, offset, x, y);
-
-	REG_WRITE(dspbase, offset);
-	REG_READ(dspbase);
-	REG_WRITE(dspsurf, start);
-	REG_READ(dspsurf);
-
-psb_intel_pipe_cleaner:
-	/* If there was a previous display we can now unpin it */
-	if (old_fb)
-		psb_gtt_unpin(to_psb_fb(old_fb)->gtt);
-
-psb_intel_pipe_set_base_exit:
-	gma_power_end(dev);
-	return ret;
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void cdv_intel_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int dspbase_reg = (pipe == 0) ? DSPABASE : DSPBBASE;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	u32 temp;
-	bool enabled;
-
-	/* XXX: When our outputs are all unaware of DPMS modes other than off
-	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-	 */
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-		/* Enable the DPLL */
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) == 0) {
-			REG_WRITE(dpll_reg, temp);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-		}
-
-		/* Jim Bish - switch plan and pipe per scott */
-		/* Enable the plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp | DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-		}
-
-		udelay(150);
-
-		/* Enable the pipe */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) == 0)
-			REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
-
-		psb_intel_crtc_load_lut(crtc);
-
-		/* Give the overlay scaler a chance to enable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, true); TODO */
-		break;
-	case DRM_MODE_DPMS_OFF:
-		/* Give the overlay scaler a chance to disable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-
-		/* Disable the VGA plane that we never use */
-		REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-		/* Jim Bish - changed pipe/plane here as well. */
-
-		/* Wait for vblank for the disable to take effect */
-		cdv_intel_wait_for_vblank(dev);
-
-		/* Next, disable display pipes */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
-			REG_READ(pipeconf_reg);
-		}
-
-		/* Wait for vblank for the disable to take effect. */
-		cdv_intel_wait_for_vblank(dev);
-
-		udelay(150);
-
-		/* Disable display plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp & ~DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-			REG_READ(dspbase_reg);
-		}
-
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) != 0) {
-			REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-		}
-
-		/* Wait for the clocks to turn off. */
-		udelay(150);
-		break;
-	}
-	enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-	/*Set FIFO Watermarks*/
-	REG_WRITE(DSPARB, 0x3F3E);
-}
-
-static void cdv_intel_crtc_prepare(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void cdv_intel_crtc_commit(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-void cdv_intel_encoder_prepare(struct drm_encoder *encoder)
-{
-	struct drm_encoder_helper_funcs *encoder_funcs =
-	    encoder->helper_private;
-	/* lvds has its own version of prepare see cdv_intel_lvds_prepare */
-	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
-}
-
-void cdv_intel_encoder_commit(struct drm_encoder *encoder)
-{
-	struct drm_encoder_helper_funcs *encoder_funcs =
-	    encoder->helper_private;
-	/* lvds has its own version of commit see cdv_intel_lvds_commit */
-	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
-}
-
-static bool cdv_intel_crtc_mode_fixup(struct drm_crtc *crtc,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int cdv_intel_panel_fitter_pipe(struct drm_device *dev)
-{
-	u32 pfit_control;
-
-	pfit_control = REG_READ(PFIT_CONTROL);
-
-	/* See if the panel fitter is in use */
-	if ((pfit_control & PFIT_ENABLE) == 0)
-		return -1;
-	return (pfit_control >> 29) & 0x3;
-}
-
-static int cdv_intel_crtc_mode_set(struct drm_crtc *crtc,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode,
-			       int x, int y,
-			       struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-	int dpll_md_reg = (psb_intel_crtc->pipe == 0) ? DPLL_A_MD : DPLL_B_MD;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-	int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-	int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-	int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-	int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-	int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-	int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
-	int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
-	int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-	int refclk;
-	struct cdv_intel_clock_t clock;
-	u32 dpll = 0, dspcntr, pipeconf;
-	bool ok, is_sdvo = false, is_dvo = false;
-	bool is_crt = false, is_lvds = false, is_tv = false;
-	bool is_hdmi = false;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *connector;
-
-	list_for_each_entry(connector, &mode_config->connector_list, head) {
-		struct psb_intel_output *psb_intel_output =
-		    to_psb_intel_output(connector);
-
-		if (!connector->encoder
-		    || connector->encoder->crtc != crtc)
-			continue;
-
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_LVDS:
-			is_lvds = true;
-			break;
-		case INTEL_OUTPUT_SDVO:
-			is_sdvo = true;
-			break;
-		case INTEL_OUTPUT_DVO:
-			is_dvo = true;
-			break;
-		case INTEL_OUTPUT_TVOUT:
-			is_tv = true;
-			break;
-		case INTEL_OUTPUT_ANALOG:
-			is_crt = true;
-			break;
-		case INTEL_OUTPUT_HDMI:
-			is_hdmi = true;
-			break;
-		}
-	}
-
-	refclk = 96000;
-
-	/* Hack selection about ref clk for CRT */
-	/* Select 27MHz as the reference clk for HDMI */
-	if (is_crt || is_hdmi)
-		refclk = 27000;
-
-	drm_mode_debug_printmodeline(adjusted_mode);
-
-	ok = cdv_intel_find_best_PLL(crtc, adjusted_mode->clock, refclk,
-				 &clock);
-	if (!ok) {
-		dev_err(dev->dev, "Couldn't find PLL settings for mode!\n");
-		return 0;
-	}
-
-	dpll = DPLL_VGA_MODE_DIS;
-	if (is_tv) {
-		/* XXX: just matching BIOS for now */
-/*	dpll |= PLL_REF_INPUT_TVCLKINBC; */
-		dpll |= 3;
-	}
-		dpll |= PLL_REF_INPUT_DREFCLK;
-
-	dpll |= DPLL_SYNCLOCK_ENABLE;
-	dpll |= DPLL_VGA_MODE_DIS;
-	if (is_lvds)
-		dpll |= DPLLB_MODE_LVDS;
-	else
-		dpll |= DPLLB_MODE_DAC_SERIAL;
-	/* dpll |= (2 << 11); */
-
-	/* setup pipeconf */
-	pipeconf = REG_READ(pipeconf_reg);
-
-	/* Set up the display plane register */
-	dspcntr = DISPPLANE_GAMMA_ENABLE;
-
-	if (pipe == 0)
-		dspcntr |= DISPPLANE_SEL_PIPE_A;
-	else
-		dspcntr |= DISPPLANE_SEL_PIPE_B;
-
-	dspcntr |= DISPLAY_PLANE_ENABLE;
-	pipeconf |= PIPEACONF_ENABLE;
-
-	REG_WRITE(dpll_reg, dpll | DPLL_VGA_MODE_DIS | DPLL_SYNCLOCK_ENABLE);
-	REG_READ(dpll_reg);
-
-	cdv_dpll_set_clock_cdv(dev, crtc, &clock);
-
-	udelay(150);
-
-
-	/* The LVDS pin pair needs to be on before the DPLLs are enabled.
-	 * This is an exception to the general rule that mode_set doesn't turn
-	 * things on.
-	 */
-	if (is_lvds) {
-		u32 lvds = REG_READ(LVDS);
-
-		lvds |=
-		    LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP |
-		    LVDS_PIPEB_SELECT;
-		/* Set the B0-B3 data pairs corresponding to
-		 * whether we're going to
-		 * set the DPLLs for dual-channel mode or not.
-		 */
-		if (clock.p2 == 7)
-			lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
-		else
-			lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
-
-		/* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
-		 * appropriately here, but we need to look more
-		 * thoroughly into how panels behave in the two modes.
-		 */
-
-		REG_WRITE(LVDS, lvds);
-		REG_READ(LVDS);
-	}
-
-	dpll |= DPLL_VCO_ENABLE;
-
-	/* Disable the panel fitter if it was on our pipe */
-	if (cdv_intel_panel_fitter_pipe(dev) == pipe)
-		REG_WRITE(PFIT_CONTROL, 0);
-
-	DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
-	drm_mode_debug_printmodeline(mode);
-
-	REG_WRITE(dpll_reg,
-		(REG_READ(dpll_reg) & ~DPLL_LOCK) | DPLL_VCO_ENABLE);
-	REG_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150); /* 42 usec w/o calibration, 110 with.  rounded up. */
-
-	if (!(REG_READ(dpll_reg) & DPLL_LOCK)) {
-		dev_err(dev->dev, "Failed to get DPLL lock\n");
-		return -EBUSY;
-	}
-
-	{
-		int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
-		REG_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) | ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
-	}
-
-	REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-		  ((adjusted_mode->crtc_htotal - 1) << 16));
-	REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-		  ((adjusted_mode->crtc_hblank_end - 1) << 16));
-	REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-		  ((adjusted_mode->crtc_hsync_end - 1) << 16));
-	REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-		  ((adjusted_mode->crtc_vtotal - 1) << 16));
-	REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-		  ((adjusted_mode->crtc_vblank_end - 1) << 16));
-	REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-		  ((adjusted_mode->crtc_vsync_end - 1) << 16));
-	/* pipesrc and dspsize control the size that is scaled from,
-	 * which should always be the user's requested size.
-	 */
-	REG_WRITE(dspsize_reg,
-		  ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
-	REG_WRITE(dsppos_reg, 0);
-	REG_WRITE(pipesrc_reg,
-		  ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
-	REG_WRITE(pipeconf_reg, pipeconf);
-	REG_READ(pipeconf_reg);
-
-	cdv_intel_wait_for_vblank(dev);
-
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-	/* Flush the plane changes */
-	{
-		struct drm_crtc_helper_funcs *crtc_funcs =
-		    crtc->helper_private;
-		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-	}
-
-	cdv_intel_wait_for_vblank(dev);
-
-	return 0;
-}
-
-/** Loads the palette/gamma unit for the CRTC with the prepared values */
-void cdv_intel_crtc_load_lut(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv =
-				(struct drm_psb_private *)dev->dev_private;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int palreg = PALETTE_A;
-	int i;
-
-	/* The clocks have to be on to load the palette. */
-	if (!crtc->enabled)
-		return;
-
-	switch (psb_intel_crtc->pipe) {
-	case 0:
-		break;
-	case 1:
-		palreg = PALETTE_B;
-		break;
-	case 2:
-		palreg = PALETTE_C;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number.\n");
-		return;
-	}
-
-	if (gma_power_begin(dev, false)) {
-		for (i = 0; i < 256; i++) {
-			REG_WRITE(palreg + 4 * i,
-				  ((psb_intel_crtc->lut_r[i] +
-				  psb_intel_crtc->lut_adj[i]) << 16) |
-				  ((psb_intel_crtc->lut_g[i] +
-				  psb_intel_crtc->lut_adj[i]) << 8) |
-				  (psb_intel_crtc->lut_b[i] +
-				  psb_intel_crtc->lut_adj[i]));
-		}
-		gma_power_end(dev);
-	} else {
-		for (i = 0; i < 256; i++) {
-			dev_priv->save_palette_a[i] =
-				  ((psb_intel_crtc->lut_r[i] +
-				  psb_intel_crtc->lut_adj[i]) << 16) |
-				  ((psb_intel_crtc->lut_g[i] +
-				  psb_intel_crtc->lut_adj[i]) << 8) |
-				  (psb_intel_crtc->lut_b[i] +
-				  psb_intel_crtc->lut_adj[i]);
-		}
-
-	}
-}
-
-/**
- * Save HW states of giving crtc
- */
-static void cdv_intel_crtc_save(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_psb_private *dev_priv =
-			(struct drm_psb_private *)dev->dev_private; */
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-	int pipeA = (psb_intel_crtc->pipe == 0);
-	uint32_t paletteReg;
-	int i;
-
-	if (!crtc_state) {
-		dev_dbg(dev->dev, "No CRTC state found\n");
-		return;
-	}
-
-	crtc_state->saveDSPCNTR = REG_READ(pipeA ? DSPACNTR : DSPBCNTR);
-	crtc_state->savePIPECONF = REG_READ(pipeA ? PIPEACONF : PIPEBCONF);
-	crtc_state->savePIPESRC = REG_READ(pipeA ? PIPEASRC : PIPEBSRC);
-	crtc_state->saveFP0 = REG_READ(pipeA ? FPA0 : FPB0);
-	crtc_state->saveFP1 = REG_READ(pipeA ? FPA1 : FPB1);
-	crtc_state->saveDPLL = REG_READ(pipeA ? DPLL_A : DPLL_B);
-	crtc_state->saveHTOTAL = REG_READ(pipeA ? HTOTAL_A : HTOTAL_B);
-	crtc_state->saveHBLANK = REG_READ(pipeA ? HBLANK_A : HBLANK_B);
-	crtc_state->saveHSYNC = REG_READ(pipeA ? HSYNC_A : HSYNC_B);
-	crtc_state->saveVTOTAL = REG_READ(pipeA ? VTOTAL_A : VTOTAL_B);
-	crtc_state->saveVBLANK = REG_READ(pipeA ? VBLANK_A : VBLANK_B);
-	crtc_state->saveVSYNC = REG_READ(pipeA ? VSYNC_A : VSYNC_B);
-	crtc_state->saveDSPSTRIDE = REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE);
-
-	/*NOTE: DSPSIZE DSPPOS only for psb*/
-	crtc_state->saveDSPSIZE = REG_READ(pipeA ? DSPASIZE : DSPBSIZE);
-	crtc_state->saveDSPPOS = REG_READ(pipeA ? DSPAPOS : DSPBPOS);
-
-	crtc_state->saveDSPBASE = REG_READ(pipeA ? DSPABASE : DSPBBASE);
-
-	DRM_DEBUG("(%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n",
-			crtc_state->saveDSPCNTR,
-			crtc_state->savePIPECONF,
-			crtc_state->savePIPESRC,
-			crtc_state->saveFP0,
-			crtc_state->saveFP1,
-			crtc_state->saveDPLL,
-			crtc_state->saveHTOTAL,
-			crtc_state->saveHBLANK,
-			crtc_state->saveHSYNC,
-			crtc_state->saveVTOTAL,
-			crtc_state->saveVBLANK,
-			crtc_state->saveVSYNC,
-			crtc_state->saveDSPSTRIDE,
-			crtc_state->saveDSPSIZE,
-			crtc_state->saveDSPPOS,
-			crtc_state->saveDSPBASE
-		);
-
-	paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-	for (i = 0; i < 256; ++i)
-		crtc_state->savePalette[i] = REG_READ(paletteReg + (i << 2));
-}
-
-/**
- * Restore HW states of giving crtc
- */
-static void cdv_intel_crtc_restore(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_psb_private * dev_priv =
-				(struct drm_psb_private *)dev->dev_private; */
-	struct psb_intel_crtc *psb_intel_crtc =  to_psb_intel_crtc(crtc);
-	struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-	/* struct drm_crtc_helper_funcs * crtc_funcs = crtc->helper_private; */
-	int pipeA = (psb_intel_crtc->pipe == 0);
-	uint32_t paletteReg;
-	int i;
-
-	if (!crtc_state) {
-		dev_dbg(dev->dev, "No crtc state\n");
-		return;
-	}
-
-	DRM_DEBUG(
-		"current:(%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n",
-		REG_READ(pipeA ? DSPACNTR : DSPBCNTR),
-		REG_READ(pipeA ? PIPEACONF : PIPEBCONF),
-		REG_READ(pipeA ? PIPEASRC : PIPEBSRC),
-		REG_READ(pipeA ? FPA0 : FPB0),
-		REG_READ(pipeA ? FPA1 : FPB1),
-		REG_READ(pipeA ? DPLL_A : DPLL_B),
-		REG_READ(pipeA ? HTOTAL_A : HTOTAL_B),
-		REG_READ(pipeA ? HBLANK_A : HBLANK_B),
-		REG_READ(pipeA ? HSYNC_A : HSYNC_B),
-		REG_READ(pipeA ? VTOTAL_A : VTOTAL_B),
-		REG_READ(pipeA ? VBLANK_A : VBLANK_B),
-		REG_READ(pipeA ? VSYNC_A : VSYNC_B),
-		REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE),
-		REG_READ(pipeA ? DSPASIZE : DSPBSIZE),
-		REG_READ(pipeA ? DSPAPOS : DSPBPOS),
-		REG_READ(pipeA ? DSPABASE : DSPBBASE)
-		);
-
-	DRM_DEBUG(
-		"saved: (%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n",
-		crtc_state->saveDSPCNTR,
-		crtc_state->savePIPECONF,
-		crtc_state->savePIPESRC,
-		crtc_state->saveFP0,
-		crtc_state->saveFP1,
-		crtc_state->saveDPLL,
-		crtc_state->saveHTOTAL,
-		crtc_state->saveHBLANK,
-		crtc_state->saveHSYNC,
-		crtc_state->saveVTOTAL,
-		crtc_state->saveVBLANK,
-		crtc_state->saveVSYNC,
-		crtc_state->saveDSPSTRIDE,
-		crtc_state->saveDSPSIZE,
-		crtc_state->saveDSPPOS,
-		crtc_state->saveDSPBASE
-		);
-
-
-	if (crtc_state->saveDPLL & DPLL_VCO_ENABLE) {
-		REG_WRITE(pipeA ? DPLL_A : DPLL_B,
-			crtc_state->saveDPLL & ~DPLL_VCO_ENABLE);
-		REG_READ(pipeA ? DPLL_A : DPLL_B);
-		DRM_DEBUG("write dpll: %x\n",
-				REG_READ(pipeA ? DPLL_A : DPLL_B));
-		udelay(150);
-	}
-
-	REG_WRITE(pipeA ? FPA0 : FPB0, crtc_state->saveFP0);
-	REG_READ(pipeA ? FPA0 : FPB0);
-
-	REG_WRITE(pipeA ? FPA1 : FPB1, crtc_state->saveFP1);
-	REG_READ(pipeA ? FPA1 : FPB1);
-
-	REG_WRITE(pipeA ? DPLL_A : DPLL_B, crtc_state->saveDPLL);
-	REG_READ(pipeA ? DPLL_A : DPLL_B);
-	udelay(150);
-
-	REG_WRITE(pipeA ? HTOTAL_A : HTOTAL_B, crtc_state->saveHTOTAL);
-	REG_WRITE(pipeA ? HBLANK_A : HBLANK_B, crtc_state->saveHBLANK);
-	REG_WRITE(pipeA ? HSYNC_A : HSYNC_B, crtc_state->saveHSYNC);
-	REG_WRITE(pipeA ? VTOTAL_A : VTOTAL_B, crtc_state->saveVTOTAL);
-	REG_WRITE(pipeA ? VBLANK_A : VBLANK_B, crtc_state->saveVBLANK);
-	REG_WRITE(pipeA ? VSYNC_A : VSYNC_B, crtc_state->saveVSYNC);
-	REG_WRITE(pipeA ? DSPASTRIDE : DSPBSTRIDE, crtc_state->saveDSPSTRIDE);
-
-	REG_WRITE(pipeA ? DSPASIZE : DSPBSIZE, crtc_state->saveDSPSIZE);
-	REG_WRITE(pipeA ? DSPAPOS : DSPBPOS, crtc_state->saveDSPPOS);
-
-	REG_WRITE(pipeA ? PIPEASRC : PIPEBSRC, crtc_state->savePIPESRC);
-	REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-	REG_WRITE(pipeA ? PIPEACONF : PIPEBCONF, crtc_state->savePIPECONF);
-
-	cdv_intel_wait_for_vblank(dev);
-
-	REG_WRITE(pipeA ? DSPACNTR : DSPBCNTR, crtc_state->saveDSPCNTR);
-	REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-
-	cdv_intel_wait_for_vblank(dev);
-
-	paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-	for (i = 0; i < 256; ++i)
-		REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]);
-}
-
-static int cdv_intel_crtc_cursor_set(struct drm_crtc *crtc,
-				 struct drm_file *file_priv,
-				 uint32_t handle,
-				 uint32_t width, uint32_t height)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
-	uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
-	uint32_t temp;
-	size_t addr = 0;
-	struct gtt_range *gt;
-	struct drm_gem_object *obj;
-	int ret;
-
-	/* if we want to turn of the cursor ignore width and height */
-	if (!handle) {
-		/* turn off the cursor */
-		temp = CURSOR_MODE_DISABLE;
-
-		if (gma_power_begin(dev, false)) {
-			REG_WRITE(control, temp);
-			REG_WRITE(base, 0);
-			gma_power_end(dev);
-		}
-
-		/* unpin the old GEM object */
-		if (psb_intel_crtc->cursor_obj) {
-			gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-			psb_gtt_unpin(gt);
-			drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-			psb_intel_crtc->cursor_obj = NULL;
-		}
-
-		return 0;
-	}
-
-	/* Currently we only support 64x64 cursors */
-	if (width != 64 || height != 64) {
-		dev_dbg(dev->dev, "we currently only support 64x64 cursors\n");
-		return -EINVAL;
-	}
-
-	obj = drm_gem_object_lookup(dev, file_priv, handle);
-	if (!obj)
-		return -ENOENT;
-
-	if (obj->size < width * height * 4) {
-		dev_dbg(dev->dev, "buffer is to small\n");
-		return -ENOMEM;
-	}
-
-	gt = container_of(obj, struct gtt_range, gem);
-
-	/* Pin the memory into the GTT */
-	ret = psb_gtt_pin(gt);
-	if (ret) {
-		dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-		return ret;
-	}
-
-	addr = gt->offset;	/* Or resource.start ??? */
-
-	psb_intel_crtc->cursor_addr = addr;
-
-	temp = 0;
-	/* set the pipe for the cursor */
-	temp |= (pipe << 28);
-	temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
-
-	if (gma_power_begin(dev, false)) {
-		REG_WRITE(control, temp);
-		REG_WRITE(base, addr);
-		gma_power_end(dev);
-	}
-
-	/* unpin the old GEM object */
-	if (psb_intel_crtc->cursor_obj) {
-		gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-		psb_gtt_unpin(gt);
-		drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-		psb_intel_crtc->cursor_obj = obj;
-	}
-	return 0;
-}
-
-static int cdv_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t temp = 0;
-	uint32_t adder;
-
-
-	if (x < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
-		x = -x;
-	}
-	if (y < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
-		y = -y;
-	}
-
-	temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-	temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
-
-	adder = psb_intel_crtc->cursor_addr;
-
-	if (gma_power_begin(dev, false)) {
-		REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
-		REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, adder);
-		gma_power_end(dev);
-	}
-	return 0;
-}
-
-static void cdv_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-			 u16 *green, u16 *blue, uint32_t start, uint32_t size)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int i;
-	int end = (start + size > 256) ? 256 : start + size;
-
-	for (i = start; i < end; i++) {
-		psb_intel_crtc->lut_r[i] = red[i] >> 8;
-		psb_intel_crtc->lut_g[i] = green[i] >> 8;
-		psb_intel_crtc->lut_b[i] = blue[i] >> 8;
-	}
-
-	cdv_intel_crtc_load_lut(crtc);
-}
-
-static int cdv_crtc_set_config(struct drm_mode_set *set)
-{
-	int ret = 0;
-	struct drm_device *dev = set->crtc->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (!dev_priv->rpm_enabled)
-		return drm_crtc_helper_set_config(set);
-
-	pm_runtime_forbid(&dev->pdev->dev);
-
-	ret = drm_crtc_helper_set_config(set);
-
-	pm_runtime_allow(&dev->pdev->dev);
-
-	return ret;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-
-/* FIXME: why are we using this, should it be cdv_ in this tree ? */
-
-static void i8xx_clock(int refclk, struct cdv_intel_clock_t *clock)
-{
-	clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
-	clock->p = clock->p1 * clock->p2;
-	clock->vco = refclk * clock->m / (clock->n + 2);
-	clock->dot = clock->vco / clock->p;
-}
-
-/* Returns the clock of the currently programmed mode of the given pipe. */
-static int cdv_intel_crtc_clock_get(struct drm_device *dev,
-				struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	u32 dpll;
-	u32 fp;
-	struct cdv_intel_clock_t clock;
-	bool is_lvds;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (gma_power_begin(dev, false)) {
-		dpll = REG_READ((pipe == 0) ? DPLL_A : DPLL_B);
-		if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-			fp = REG_READ((pipe == 0) ? FPA0 : FPB0);
-		else
-			fp = REG_READ((pipe == 0) ? FPA1 : FPB1);
-		is_lvds = (pipe == 1) && (REG_READ(LVDS) & LVDS_PORT_EN);
-		gma_power_end(dev);
-	} else {
-		dpll = (pipe == 0) ?
-			dev_priv->saveDPLL_A : dev_priv->saveDPLL_B;
-
-		if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-			fp = (pipe == 0) ?
-				dev_priv->saveFPA0 :
-				dev_priv->saveFPB0;
-		else
-			fp = (pipe == 0) ?
-				dev_priv->saveFPA1 :
-				dev_priv->saveFPB1;
-
-		is_lvds = (pipe == 1) && (dev_priv->saveLVDS & LVDS_PORT_EN);
-	}
-
-	clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
-	clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
-	clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
-
-	if (is_lvds) {
-		clock.p1 =
-		    ffs((dpll &
-			 DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>
-			DPLL_FPA01_P1_POST_DIV_SHIFT);
-		if (clock.p1 == 0) {
-			clock.p1 = 4;
-			dev_err(dev->dev, "PLL %d\n", dpll);
-		}
-		clock.p2 = 14;
-
-		if ((dpll & PLL_REF_INPUT_MASK) ==
-		    PLLB_REF_INPUT_SPREADSPECTRUMIN) {
-			/* XXX: might not be 66MHz */
-			i8xx_clock(66000, &clock);
-		} else
-			i8xx_clock(48000, &clock);
-	} else {
-		if (dpll & PLL_P1_DIVIDE_BY_TWO)
-			clock.p1 = 2;
-		else {
-			clock.p1 =
-			    ((dpll &
-			      DPLL_FPA01_P1_POST_DIV_MASK_I830) >>
-			     DPLL_FPA01_P1_POST_DIV_SHIFT) + 2;
-		}
-		if (dpll & PLL_P2_DIVIDE_BY_4)
-			clock.p2 = 4;
-		else
-			clock.p2 = 2;
-
-		i8xx_clock(48000, &clock);
-	}
-
-	/* XXX: It would be nice to validate the clocks, but we can't reuse
-	 * i830PllIsValid() because it relies on the xf86_config connector
-	 * configuration being accurate, which it isn't necessarily.
-	 */
-
-	return clock.dot;
-}
-
-/** Returns the currently programmed mode of the given pipe. */
-struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev,
-					     struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	struct drm_display_mode *mode;
-	int htot;
-	int hsync;
-	int vtot;
-	int vsync;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (gma_power_begin(dev, false)) {
-		htot = REG_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B);
-		hsync = REG_READ((pipe == 0) ? HSYNC_A : HSYNC_B);
-		vtot = REG_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B);
-		vsync = REG_READ((pipe == 0) ? VSYNC_A : VSYNC_B);
-		gma_power_end(dev);
-	} else {
-		htot = (pipe == 0) ?
-			dev_priv->saveHTOTAL_A : dev_priv->saveHTOTAL_B;
-		hsync = (pipe == 0) ?
-			dev_priv->saveHSYNC_A : dev_priv->saveHSYNC_B;
-		vtot = (pipe == 0) ?
-			dev_priv->saveVTOTAL_A : dev_priv->saveVTOTAL_B;
-		vsync = (pipe == 0) ?
-			dev_priv->saveVSYNC_A : dev_priv->saveVSYNC_B;
-	}
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode)
-		return NULL;
-
-	mode->clock = cdv_intel_crtc_clock_get(dev, crtc);
-	mode->hdisplay = (htot & 0xffff) + 1;
-	mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
-	mode->hsync_start = (hsync & 0xffff) + 1;
-	mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1;
-	mode->vdisplay = (vtot & 0xffff) + 1;
-	mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1;
-	mode->vsync_start = (vsync & 0xffff) + 1;
-	mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1;
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	return mode;
-}
-
-static void cdv_intel_crtc_destroy(struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-
-	kfree(psb_intel_crtc->crtc_state);
-	drm_crtc_cleanup(crtc);
-	kfree(psb_intel_crtc);
-}
-
-const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
-	.dpms = cdv_intel_crtc_dpms,
-	.mode_fixup = cdv_intel_crtc_mode_fixup,
-	.mode_set = cdv_intel_crtc_mode_set,
-	.mode_set_base = cdv_intel_pipe_set_base,
-	.prepare = cdv_intel_crtc_prepare,
-	.commit = cdv_intel_crtc_commit,
-};
-
-const struct drm_crtc_funcs cdv_intel_crtc_funcs = {
-	.save = cdv_intel_crtc_save,
-	.restore = cdv_intel_crtc_restore,
-	.cursor_set = cdv_intel_crtc_cursor_set,
-	.cursor_move = cdv_intel_crtc_cursor_move,
-	.gamma_set = cdv_intel_crtc_gamma_set,
-	.set_config = cdv_crtc_set_config,
-	.destroy = cdv_intel_crtc_destroy,
-};
-
-/*
- * Set the default value of cursor control and base register
- * to zero. This is a workaround for h/w defect on oaktrail
- */
-void cdv_intel_cursor_init(struct drm_device *dev, int pipe)
-{
-	uint32_t control;
-	uint32_t base;
-
-	switch (pipe) {
-	case 0:
-		control = CURACNTR;
-		base = CURABASE;
-		break;
-	case 1:
-		control = CURBCNTR;
-		base = CURBBASE;
-		break;
-	case 2:
-		control = CURCCNTR;
-		base = CURCBASE;
-		break;
-	default:
-		return;
-	}
-
-	REG_WRITE(control, 0);
-	REG_WRITE(base, 0);
-}
-
diff --git a/drivers/staging/gma500/cdv_intel_hdmi.c b/drivers/staging/gma500/cdv_intel_hdmi.c
deleted file mode 100644
index cbca2b0c7d58..000000000000
--- a/drivers/staging/gma500/cdv_intel_hdmi.c
+++ /dev/null
@@ -1,376 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	jim liu <jim.liu@intel.com>
- *
- * FIXME:
- *	We should probably make this generic and share it with Medfield
- */
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
-#include "psb_intel_drv.h"
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-#include <linux/pm_runtime.h>
-
-/* hdmi control bits */
-#define HDMI_NULL_PACKETS_DURING_VSYNC	(1 << 9)
-#define HDMI_BORDER_ENABLE		(1 << 7)
-#define HDMI_AUDIO_ENABLE		(1 << 6)
-#define HDMI_VSYNC_ACTIVE_HIGH		(1 << 4)
-#define HDMI_HSYNC_ACTIVE_HIGH		(1 << 3)
-/* hdmi-b control bits */
-#define	HDMIB_PIPE_B_SELECT		(1 << 30)
-
-
-struct mid_intel_hdmi_priv {
-	u32 hdmi_reg;
-	u32 save_HDMIB;
-	bool has_hdmi_sink;
-	bool has_hdmi_audio;
-	/* Should set this when detect hotplug */
-	bool hdmi_device_connected;
-	struct mdfld_hdmi_i2c *i2c_bus;
-	struct i2c_adapter *hdmi_i2c_adapter;	/* for control functions */
-	struct drm_device *dev;
-};
-
-static void cdv_hdmi_mode_set(struct drm_encoder *encoder,
-			struct drm_display_mode *mode,
-			struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-	u32 hdmib;
-	struct drm_crtc *crtc = encoder->crtc;
-	struct psb_intel_crtc *intel_crtc = to_psb_intel_crtc(crtc);
-
-	hdmib = (2 << 10);
-
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-		hdmib |= HDMI_VSYNC_ACTIVE_HIGH;
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
-		hdmib |= HDMI_HSYNC_ACTIVE_HIGH;
-
-	if (intel_crtc->pipe == 1)
-		hdmib |= HDMIB_PIPE_B_SELECT;
-
-	if (hdmi_priv->has_hdmi_audio) {
-		hdmib |= HDMI_AUDIO_ENABLE;
-		hdmib |= HDMI_NULL_PACKETS_DURING_VSYNC;
-	}
-
-	REG_WRITE(hdmi_priv->hdmi_reg, hdmib);
-	REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static bool cdv_hdmi_mode_fixup(struct drm_encoder *encoder,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-static void cdv_hdmi_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-	u32 hdmib;
-
-	hdmib = REG_READ(hdmi_priv->hdmi_reg);
-
-	if (mode != DRM_MODE_DPMS_ON)
-		REG_WRITE(hdmi_priv->hdmi_reg, hdmib & ~HDMIB_PORT_EN);
-	else
-		REG_WRITE(hdmi_priv->hdmi_reg, hdmib | HDMIB_PORT_EN);
-	REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static void cdv_hdmi_save(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *output = to_psb_intel_output(connector);
-	struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-
-	hdmi_priv->save_HDMIB = REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static void cdv_hdmi_restore(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *output = to_psb_intel_output(connector);
-	struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-
-	REG_WRITE(hdmi_priv->hdmi_reg, hdmi_priv->save_HDMIB);
-	REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static enum drm_connector_status cdv_hdmi_detect(
-				struct drm_connector *connector, bool force)
-{
-	struct psb_intel_output *psb_intel_output =
-						to_psb_intel_output(connector);
-	struct mid_intel_hdmi_priv *hdmi_priv = psb_intel_output->dev_priv;
-	struct edid *edid = NULL;
-	enum drm_connector_status status = connector_status_disconnected;
-
-	edid = drm_get_edid(&psb_intel_output->base,
-			 psb_intel_output->hdmi_i2c_adapter);
-
-	hdmi_priv->has_hdmi_sink = false;
-	hdmi_priv->has_hdmi_audio = false;
-	if (edid) {
-		if (edid->input & DRM_EDID_INPUT_DIGITAL) {
-			status = connector_status_connected;
-			hdmi_priv->has_hdmi_sink =
-						drm_detect_hdmi_monitor(edid);
-			hdmi_priv->has_hdmi_audio =
-						drm_detect_monitor_audio(edid);
-		}
-
-		psb_intel_output->base.display_info.raw_edid = NULL;
-		kfree(edid);
-	}
-	return status;
-}
-
-static int cdv_hdmi_set_property(struct drm_connector *connector,
-				       struct drm_property *property,
-				       uint64_t value)
-{
-	struct drm_encoder *encoder = connector->encoder;
-
-	if (!strcmp(property->name, "scaling mode") && encoder) {
-		struct psb_intel_crtc *crtc = to_psb_intel_crtc(encoder->crtc);
-		bool centre;
-		uint64_t curValue;
-
-		if (!crtc)
-			return -1;
-
-		switch (value) {
-		case DRM_MODE_SCALE_FULLSCREEN:
-			break;
-		case DRM_MODE_SCALE_NO_SCALE:
-			break;
-		case DRM_MODE_SCALE_ASPECT:
-			break;
-		default:
-			return -1;
-		}
-
-		if (drm_connector_property_get_value(connector,
-							property, &curValue))
-			return -1;
-
-		if (curValue == value)
-			return 0;
-
-		if (drm_connector_property_set_value(connector,
-							property, value))
-			return -1;
-
-		centre = (curValue == DRM_MODE_SCALE_NO_SCALE) ||
-			(value == DRM_MODE_SCALE_NO_SCALE);
-
-		if (crtc->saved_mode.hdisplay != 0 &&
-		    crtc->saved_mode.vdisplay != 0) {
-			if (centre) {
-				if (!drm_crtc_helper_set_mode(encoder->crtc, &crtc->saved_mode,
-					    encoder->crtc->x, encoder->crtc->y, encoder->crtc->fb))
-					return -1;
-			} else {
-				struct drm_encoder_helper_funcs *helpers
-						    = encoder->helper_private;
-				helpers->mode_set(encoder, &crtc->saved_mode,
-					     &crtc->saved_adjusted_mode);
-			}
-		}
-	}
-	return 0;
-}
-
-/*
- * Return the list of HDMI DDC modes if available.
- */
-static int cdv_hdmi_get_modes(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct edid *edid = NULL;
-	int ret = 0;
-
-	edid = drm_get_edid(&psb_intel_output->base,
-			 psb_intel_output->hdmi_i2c_adapter);
-	if (edid) {
-		drm_mode_connector_update_edid_property(&psb_intel_output->
-							base, edid);
-		ret = drm_add_edid_modes(&psb_intel_output->base, edid);
-		kfree(edid);
-	}
-	return ret;
-}
-
-static int cdv_hdmi_mode_valid(struct drm_connector *connector,
-				 struct drm_display_mode *mode)
-{
-
-	if (mode->clock > 165000)
-		return MODE_CLOCK_HIGH;
-	if (mode->clock < 20000)
-		return MODE_CLOCK_HIGH;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
-		return MODE_NO_INTERLACE;
-
-	/*
-	 * FIXME: for now we limit the size to 1680x1050 on CDV, otherwise it
-	 * will go beyond the stolen memory size allocated to the framebuffer
-	 */
-	if (mode->hdisplay > 1680)
-		return MODE_PANEL;
-	if (mode->vdisplay > 1050)
-		return MODE_PANEL;
-	return MODE_OK;
-}
-
-static void cdv_hdmi_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
-static const struct drm_encoder_helper_funcs cdv_hdmi_helper_funcs = {
-	.dpms = cdv_hdmi_dpms,
-	.mode_fixup = cdv_hdmi_mode_fixup,
-	.prepare = psb_intel_encoder_prepare,
-	.mode_set = cdv_hdmi_mode_set,
-	.commit = psb_intel_encoder_commit,
-};
-
-static const struct drm_connector_helper_funcs
-					cdv_hdmi_connector_helper_funcs = {
-	.get_modes = cdv_hdmi_get_modes,
-	.mode_valid = cdv_hdmi_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-static const struct drm_connector_funcs cdv_hdmi_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.save = cdv_hdmi_save,
-	.restore = cdv_hdmi_restore,
-	.detect = cdv_hdmi_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = cdv_hdmi_set_property,
-	.destroy = cdv_hdmi_destroy,
-};
-
-void cdv_hdmi_init(struct drm_device *dev,
-			struct psb_intel_mode_device *mode_dev, int reg)
-{
-	struct psb_intel_output *psb_intel_output;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-	struct mid_intel_hdmi_priv *hdmi_priv;
-	int ddc_bus;
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output) +
-			       sizeof(struct mid_intel_hdmi_priv), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	hdmi_priv = (struct mid_intel_hdmi_priv *)(psb_intel_output + 1);
-	psb_intel_output->mode_dev = mode_dev;
-	connector = &psb_intel_output->base;
-	encoder = &psb_intel_output->enc;
-	drm_connector_init(dev, &psb_intel_output->base,
-			   &cdv_hdmi_connector_funcs,
-			   DRM_MODE_CONNECTOR_DVID);
-
-	drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_lvds_enc_funcs,
-			 DRM_MODE_ENCODER_TMDS);
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-	psb_intel_output->type = INTEL_OUTPUT_HDMI;
-	hdmi_priv->hdmi_reg = reg;
-	hdmi_priv->has_hdmi_sink = false;
-	psb_intel_output->dev_priv = hdmi_priv;
-
-	drm_encoder_helper_add(encoder, &cdv_hdmi_helper_funcs);
-	drm_connector_helper_add(connector,
-				 &cdv_hdmi_connector_helper_funcs);
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-
-	drm_connector_attach_property(connector,
-	    dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN);
-
-	switch (reg) {
-	case SDVOB:
-		ddc_bus = GPIOE;
-		break;
-	case SDVOC:
-		ddc_bus = GPIOD;
-		break;
-	default:
-		DRM_ERROR("unknown reg 0x%x for HDMI\n", reg);
-		goto failed_ddc;
-		break;
-	}
-
-	psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-				ddc_bus, (reg == SDVOB) ? "HDMIB" : "HDMIC");
-
-	if (!psb_intel_output->ddc_bus) {
-		dev_err(dev->dev, "No ddc adapter available!\n");
-		goto failed_ddc;
-	}
-	psb_intel_output->hdmi_i2c_adapter =
-				&(psb_intel_output->ddc_bus->adapter);
-	hdmi_priv->dev = dev;
-	drm_sysfs_connector_add(connector);
-	return;
-
-failed_ddc:
-	drm_encoder_cleanup(&psb_intel_output->enc);
-	drm_connector_cleanup(&psb_intel_output->base);
-	kfree(psb_intel_output);
-}
diff --git a/drivers/staging/gma500/cdv_intel_lvds.c b/drivers/staging/gma500/cdv_intel_lvds.c
deleted file mode 100644
index 988b2d0acf43..000000000000
--- a/drivers/staging/gma500/cdv_intel_lvds.c
+++ /dev/null
@@ -1,721 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- *	Dave Airlie <airlied@linux.ie>
- *	Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <linux/dmi.h>
-#include <drm/drmP.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-#include "cdv_device.h"
-
-/**
- * LVDS I2C backlight control macros
- */
-#define BRIGHTNESS_MAX_LEVEL 100
-#define BRIGHTNESS_MASK 0xFF
-#define BLC_I2C_TYPE	0x01
-#define BLC_PWM_TYPT	0x02
-
-#define BLC_POLARITY_NORMAL 0
-#define BLC_POLARITY_INVERSE 1
-
-#define PSB_BLC_MAX_PWM_REG_FREQ       (0xFFFE)
-#define PSB_BLC_MIN_PWM_REG_FREQ	(0x2)
-#define PSB_BLC_PWM_PRECISION_FACTOR	(10)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT	(16)
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-
-struct cdv_intel_lvds_priv {
-	/**
-	 * Saved LVDO output states
-	 */
-	uint32_t savePP_ON;
-	uint32_t savePP_OFF;
-	uint32_t saveLVDS;
-	uint32_t savePP_CONTROL;
-	uint32_t savePP_CYCLE;
-	uint32_t savePFIT_CONTROL;
-	uint32_t savePFIT_PGM_RATIOS;
-	uint32_t saveBLC_PWM_CTL;
-};
-
-/*
- * Returns the maximum level of the backlight duty cycle field.
- */
-static u32 cdv_intel_lvds_get_max_backlight(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 retval;
-
-	if (gma_power_begin(dev, false)) {
-		retval = ((REG_READ(BLC_PWM_CTL) &
-			  BACKLIGHT_MODULATION_FREQ_MASK) >>
-			  BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-		gma_power_end(dev);
-	} else
-		retval = ((dev_priv->saveBLC_PWM_CTL &
-			  BACKLIGHT_MODULATION_FREQ_MASK) >>
-			  BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-	return retval;
-}
-
-/*
- * Set LVDS backlight level by I2C command
- */
-static int cdv_lvds_i2c_set_brightness(struct drm_device *dev,
-					unsigned int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus;
-	u8 out_buf[2];
-	unsigned int blc_i2c_brightness;
-
-	struct i2c_msg msgs[] = {
-		{
-			.addr = lvds_i2c_bus->slave_addr,
-			.flags = 0,
-			.len = 2,
-			.buf = out_buf,
-		}
-	};
-
-	blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level *
-			     BRIGHTNESS_MASK /
-			     BRIGHTNESS_MAX_LEVEL);
-
-	if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-		blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness;
-
-	out_buf[0] = dev_priv->lvds_bl->brightnesscmd;
-	out_buf[1] = (u8)blc_i2c_brightness;
-
-	if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1)
-		return 0;
-
-	DRM_ERROR("I2C transfer error\n");
-	return -1;
-}
-
-
-static int cdv_lvds_pwm_set_brightness(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	u32 max_pwm_blc;
-	u32 blc_pwm_duty_cycle;
-
-	max_pwm_blc = cdv_intel_lvds_get_max_backlight(dev);
-
-	/*BLC_PWM_CTL Should be initiated while backlight device init*/
-	BUG_ON((max_pwm_blc & PSB_BLC_MAX_PWM_REG_FREQ) == 0);
-
-	blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL;
-
-	if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-		blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle;
-
-	blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
-	REG_WRITE(BLC_PWM_CTL,
-		  (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
-		  (blc_pwm_duty_cycle));
-
-	return 0;
-}
-
-/*
- * Set LVDS backlight level either by I2C or PWM
- */
-void cdv_intel_lvds_set_brightness(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (!dev_priv->lvds_bl) {
-		DRM_ERROR("NO LVDS Backlight Info\n");
-		return;
-	}
-
-	if (dev_priv->lvds_bl->type == BLC_I2C_TYPE)
-		cdv_lvds_i2c_set_brightness(dev, level);
-	else
-		cdv_lvds_pwm_set_brightness(dev, level);
-}
-
-/**
- * Sets the backlight level.
- *
- * level backlight level, from 0 to cdv_intel_lvds_get_max_backlight().
- */
-static void cdv_intel_lvds_set_backlight(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 blc_pwm_ctl;
-
-	if (gma_power_begin(dev, false)) {
-		blc_pwm_ctl =
-			REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
-		REG_WRITE(BLC_PWM_CTL,
-				(blc_pwm_ctl |
-				(level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
-		gma_power_end(dev);
-	} else {
-		blc_pwm_ctl = dev_priv->saveBLC_PWM_CTL &
-				~BACKLIGHT_DUTY_CYCLE_MASK;
-		dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl |
-					(level << BACKLIGHT_DUTY_CYCLE_SHIFT));
-	}
-}
-
-/**
- * Sets the power state for the panel.
- */
-static void cdv_intel_lvds_set_power(struct drm_device *dev,
-				 struct psb_intel_output *output, bool on)
-{
-	u32 pp_status;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	if (on) {
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-			  POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & PP_ON) == 0);
-
-		cdv_intel_lvds_set_backlight(dev,
-					 output->
-					 mode_dev->backlight_duty_cycle);
-	} else {
-		cdv_intel_lvds_set_backlight(dev, 0);
-
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-			  ~POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while (pp_status & PP_ON);
-	}
-	gma_power_end(dev);
-}
-
-static void cdv_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	if (mode == DRM_MODE_DPMS_ON)
-		cdv_intel_lvds_set_power(dev, output, true);
-	else
-		cdv_intel_lvds_set_power(dev, output, false);
-	/* XXX: We never power down the LVDS pairs. */
-}
-
-static void cdv_intel_lvds_save(struct drm_connector *connector)
-{
-}
-
-static void cdv_intel_lvds_restore(struct drm_connector *connector)
-{
-}
-
-int cdv_intel_lvds_mode_valid(struct drm_connector *connector,
-				 struct drm_display_mode *mode)
-{
-	struct psb_intel_output *psb_intel_output =
-				to_psb_intel_output(connector);
-	struct drm_display_mode *fixed_mode =
-	    psb_intel_output->mode_dev->panel_fixed_mode;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
-		return MODE_NO_INTERLACE;
-
-	if (fixed_mode) {
-		if (mode->hdisplay > fixed_mode->hdisplay)
-			return MODE_PANEL;
-		if (mode->vdisplay > fixed_mode->vdisplay)
-			return MODE_PANEL;
-	}
-	return MODE_OK;
-}
-
-bool cdv_intel_lvds_mode_fixup(struct drm_encoder *encoder,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	struct psb_intel_mode_device *mode_dev =
-	    enc_to_psb_intel_output(encoder)->mode_dev;
-	struct drm_device *dev = encoder->dev;
-	struct drm_encoder *tmp_encoder;
-	struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode;
-
-	/* Should never happen!! */
-	list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list,
-			    head) {
-		if (tmp_encoder != encoder
-		    && tmp_encoder->crtc == encoder->crtc) {
-			printk(KERN_ERR "Can't enable LVDS and another "
-			       "encoder on the same pipe\n");
-			return false;
-		}
-	}
-
-	/*
-	 * If we have timings from the BIOS for the panel, put them in
-	 * to the adjusted mode.  The CRTC will be set up for this mode,
-	 * with the panel scaling set up to source from the H/VDisplay
-	 * of the original mode.
-	 */
-	if (panel_fixed_mode != NULL) {
-		adjusted_mode->hdisplay = panel_fixed_mode->hdisplay;
-		adjusted_mode->hsync_start = panel_fixed_mode->hsync_start;
-		adjusted_mode->hsync_end = panel_fixed_mode->hsync_end;
-		adjusted_mode->htotal = panel_fixed_mode->htotal;
-		adjusted_mode->vdisplay = panel_fixed_mode->vdisplay;
-		adjusted_mode->vsync_start = panel_fixed_mode->vsync_start;
-		adjusted_mode->vsync_end = panel_fixed_mode->vsync_end;
-		adjusted_mode->vtotal = panel_fixed_mode->vtotal;
-		adjusted_mode->clock = panel_fixed_mode->clock;
-		drm_mode_set_crtcinfo(adjusted_mode,
-				      CRTC_INTERLACE_HALVE_V);
-	}
-
-	/*
-	 * XXX: It would be nice to support lower refresh rates on the
-	 * panels to reduce power consumption, and perhaps match the
-	 * user's requested refresh rate.
-	 */
-
-	return true;
-}
-
-static void cdv_intel_lvds_prepare(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-	mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
-					  BACKLIGHT_DUTY_CYCLE_MASK);
-
-	cdv_intel_lvds_set_power(dev, output, false);
-
-	gma_power_end(dev);
-}
-
-static void cdv_intel_lvds_commit(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (mode_dev->backlight_duty_cycle == 0)
-		mode_dev->backlight_duty_cycle =
-		    cdv_intel_lvds_get_max_backlight(dev);
-
-	cdv_intel_lvds_set_power(dev, output, true);
-}
-
-static void cdv_intel_lvds_mode_set(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pfit_control;
-
-	/*
-	 * The LVDS pin pair will already have been turned on in the
-	 * cdv_intel_crtc_mode_set since it has a large impact on the DPLL
-	 * settings.
-	 */
-
-	/*
-	 * Enable automatic panel scaling so that non-native modes fill the
-	 * screen.  Should be enabled before the pipe is enabled, according to
-	 * register description and PRM.
-	 */
-	if (mode->hdisplay != adjusted_mode->hdisplay ||
-	    mode->vdisplay != adjusted_mode->vdisplay)
-		pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE |
-				HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR |
-				HORIZ_INTERP_BILINEAR);
-	else
-		pfit_control = 0;
-
-	if (dev_priv->lvds_dither)
-		pfit_control |= PANEL_8TO6_DITHER_ENABLE;
-
-	REG_WRITE(PFIT_CONTROL, pfit_control);
-}
-
-/**
- * Detect the LVDS connection.
- *
- * This always returns CONNECTOR_STATUS_CONNECTED.
- * This connector should only have
- * been set up if the LVDS was actually connected anyway.
- */
-static enum drm_connector_status cdv_intel_lvds_detect(
-				struct drm_connector *connector, bool force)
-{
-	return connector_status_connected;
-}
-
-/**
- * Return the list of DDC modes if available, or the BIOS fixed mode otherwise.
- */
-static int cdv_intel_lvds_get_modes(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct psb_intel_mode_device *mode_dev =
-					psb_intel_output->mode_dev;
-	int ret;
-
-	ret = psb_intel_ddc_get_modes(psb_intel_output);
-
-	if (ret)
-		return ret;
-
-	/* Didn't get an EDID, so
-	 * Set wide sync ranges so we get all modes
-	 * handed to valid_mode for checking
-	 */
-	connector->display_info.min_vfreq = 0;
-	connector->display_info.max_vfreq = 200;
-	connector->display_info.min_hfreq = 0;
-	connector->display_info.max_hfreq = 200;
-	if (mode_dev->panel_fixed_mode != NULL) {
-		struct drm_display_mode *mode =
-		    drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
-		drm_mode_probed_add(connector, mode);
-		return 1;
-	}
-
-	return 0;
-}
-
-/**
- * cdv_intel_lvds_destroy - unregister and free LVDS structures
- * @connector: connector to free
- *
- * Unregister the DDC bus for this connector then free the driver private
- * structure.
- */
-void cdv_intel_lvds_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
-int cdv_intel_lvds_set_property(struct drm_connector *connector,
-				       struct drm_property *property,
-				       uint64_t value)
-{
-	struct drm_encoder *encoder = connector->encoder;
-
-	if (!strcmp(property->name, "scaling mode") && encoder) {
-		struct psb_intel_crtc *crtc =
-					to_psb_intel_crtc(encoder->crtc);
-		uint64_t curValue;
-
-		if (!crtc)
-			return -1;
-
-		switch (value) {
-		case DRM_MODE_SCALE_FULLSCREEN:
-			break;
-		case DRM_MODE_SCALE_NO_SCALE:
-			break;
-		case DRM_MODE_SCALE_ASPECT:
-			break;
-		default:
-			return -1;
-		}
-
-		if (drm_connector_property_get_value(connector,
-						     property,
-						     &curValue))
-			return -1;
-
-		if (curValue == value)
-			return 0;
-
-		if (drm_connector_property_set_value(connector,
-							property,
-							value))
-			return -1;
-
-		if (crtc->saved_mode.hdisplay != 0 &&
-		    crtc->saved_mode.vdisplay != 0) {
-			if (!drm_crtc_helper_set_mode(encoder->crtc,
-						      &crtc->saved_mode,
-						      encoder->crtc->x,
-						      encoder->crtc->y,
-						      encoder->crtc->fb))
-				return -1;
-		}
-	} else if (!strcmp(property->name, "backlight") && encoder) {
-		if (drm_connector_property_set_value(connector,
-							property,
-							value))
-			return -1;
-		else {
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-			struct drm_psb_private *dev_priv =
-						encoder->dev->dev_private;
-			struct backlight_device *bd =
-						dev_priv->backlight_device;
-			bd->props.brightness = value;
-			backlight_update_status(bd);
-#endif
-		}
-	} else if (!strcmp(property->name, "DPMS") && encoder) {
-		struct drm_encoder_helper_funcs *helpers =
-					encoder->helper_private;
-		helpers->dpms(encoder, value);
-	}
-	return 0;
-}
-
-static const struct drm_encoder_helper_funcs
-					cdv_intel_lvds_helper_funcs = {
-	.dpms = cdv_intel_lvds_encoder_dpms,
-	.mode_fixup = cdv_intel_lvds_mode_fixup,
-	.prepare = cdv_intel_lvds_prepare,
-	.mode_set = cdv_intel_lvds_mode_set,
-	.commit = cdv_intel_lvds_commit,
-};
-
-static const struct drm_connector_helper_funcs
-				cdv_intel_lvds_connector_helper_funcs = {
-	.get_modes = cdv_intel_lvds_get_modes,
-	.mode_valid = cdv_intel_lvds_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-static const struct drm_connector_funcs cdv_intel_lvds_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.save = cdv_intel_lvds_save,
-	.restore = cdv_intel_lvds_restore,
-	.detect = cdv_intel_lvds_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = cdv_intel_lvds_set_property,
-	.destroy = cdv_intel_lvds_destroy,
-};
-
-
-static void cdv_intel_lvds_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-const struct drm_encoder_funcs cdv_intel_lvds_enc_funcs = {
-	.destroy = cdv_intel_lvds_enc_destroy,
-};
-
-/**
- * cdv_intel_lvds_init - setup LVDS connectors on this device
- * @dev: drm device
- *
- * Create the connector, register the LVDS DDC bus, and try to figure out what
- * modes we can display on the LVDS panel (if present).
- */
-void cdv_intel_lvds_init(struct drm_device *dev,
-		     struct psb_intel_mode_device *mode_dev)
-{
-	struct psb_intel_output *psb_intel_output;
-	struct cdv_intel_lvds_priv *lvds_priv;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-	struct drm_display_mode *scan;
-	struct drm_crtc *crtc;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 lvds;
-	int pipe;
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output) +
-			sizeof(struct cdv_intel_lvds_priv), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	lvds_priv = (struct cdv_intel_lvds_priv *)(psb_intel_output + 1);
-
-	psb_intel_output->dev_priv = lvds_priv;
-
-	psb_intel_output->mode_dev = mode_dev;
-	connector = &psb_intel_output->base;
-	encoder = &psb_intel_output->enc;
-
-
-	drm_connector_init(dev, &psb_intel_output->base,
-			   &cdv_intel_lvds_connector_funcs,
-			   DRM_MODE_CONNECTOR_LVDS);
-
-	drm_encoder_init(dev, &psb_intel_output->enc,
-			 &cdv_intel_lvds_enc_funcs,
-			 DRM_MODE_ENCODER_LVDS);
-
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-	psb_intel_output->type = INTEL_OUTPUT_LVDS;
-
-	drm_encoder_helper_add(encoder, &cdv_intel_lvds_helper_funcs);
-	drm_connector_helper_add(connector,
-				 &cdv_intel_lvds_connector_helper_funcs);
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-
-	/*Attach connector properties*/
-	drm_connector_attach_property(connector,
-				      dev->mode_config.scaling_mode_property,
-				      DRM_MODE_SCALE_FULLSCREEN);
-	drm_connector_attach_property(connector,
-				      dev_priv->backlight_property,
-				      BRIGHTNESS_MAX_LEVEL);
-
-	/**
-	 * Set up I2C bus
-	 * FIXME: distroy i2c_bus when exit
-	 */
-	psb_intel_output->i2c_bus = psb_intel_i2c_create(dev,
-							 GPIOB,
-							 "LVDSBLC_B");
-	if (!psb_intel_output->i2c_bus) {
-		dev_printk(KERN_ERR,
-			&dev->pdev->dev, "I2C bus registration failed.\n");
-		goto failed_blc_i2c;
-	}
-	psb_intel_output->i2c_bus->slave_addr = 0x2C;
-	dev_priv->lvds_i2c_bus =  psb_intel_output->i2c_bus;
-
-	/*
-	 * LVDS discovery:
-	 * 1) check for EDID on DDC
-	 * 2) check for VBT data
-	 * 3) check to see if LVDS is already on
-	 *    if none of the above, no panel
-	 * 4) make sure lid is open
-	 *    if closed, act like it's not there for now
-	 */
-
-	/* Set up the DDC bus. */
-	psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-							 GPIOC,
-							 "LVDSDDC_C");
-	if (!psb_intel_output->ddc_bus) {
-		dev_printk(KERN_ERR, &dev->pdev->dev,
-			   "DDC bus registration " "failed.\n");
-		goto failed_ddc;
-	}
-
-	/*
-	 * Attempt to get the fixed panel mode from DDC.  Assume that the
-	 * preferred mode is the right one.
-	 */
-	psb_intel_ddc_get_modes(psb_intel_output);
-	list_for_each_entry(scan, &connector->probed_modes, head) {
-		if (scan->type & DRM_MODE_TYPE_PREFERRED) {
-			mode_dev->panel_fixed_mode =
-			    drm_mode_duplicate(dev, scan);
-			goto out;	/* FIXME: check for quirks */
-		}
-	}
-
-	/* Failed to get EDID, what about VBT? do we need this?*/
-	if (dev_priv->lfp_lvds_vbt_mode) {
-		mode_dev->panel_fixed_mode =
-			drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
-		if (mode_dev->panel_fixed_mode) {
-			mode_dev->panel_fixed_mode->type |=
-				DRM_MODE_TYPE_PREFERRED;
-			goto out;	/* FIXME: check for quirks */
-		}
-	}
-	/*
-	 * If we didn't get EDID, try checking if the panel is already turned
-	 * on.	If so, assume that whatever is currently programmed is the
-	 * correct mode.
-	 */
-	lvds = REG_READ(LVDS);
-	pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
-	crtc = psb_intel_get_crtc_from_pipe(dev, pipe);
-
-	if (crtc && (lvds & LVDS_PORT_EN)) {
-		mode_dev->panel_fixed_mode =
-		    cdv_intel_crtc_mode_get(dev, crtc);
-		if (mode_dev->panel_fixed_mode) {
-			mode_dev->panel_fixed_mode->type |=
-			    DRM_MODE_TYPE_PREFERRED;
-			goto out;	/* FIXME: check for quirks */
-		}
-	}
-
-	/* If we still don't have a mode after all that, give up. */
-	if (!mode_dev->panel_fixed_mode) {
-		DRM_DEBUG
-			("Found no modes on the lvds, ignoring the LVDS\n");
-		goto failed_find;
-	}
-
-out:
-	drm_sysfs_connector_add(connector);
-	return;
-
-failed_find:
-	printk(KERN_ERR "Failed find\n");
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-failed_ddc:
-	printk(KERN_ERR "Failed DDC\n");
-	if (psb_intel_output->i2c_bus)
-		psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-failed_blc_i2c:
-	printk(KERN_ERR "Failed BLC\n");
-	drm_encoder_cleanup(encoder);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
diff --git a/drivers/staging/gma500/displays/hdmi.h b/drivers/staging/gma500/displays/hdmi.h
deleted file mode 100644
index d58ba9bd010f..000000000000
--- a/drivers/staging/gma500/displays/hdmi.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef HDMI_H
-#define HDMI_H
-
-extern void hdmi_init(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/pyr_cmd.h b/drivers/staging/gma500/displays/pyr_cmd.h
deleted file mode 100644
index 84bae5c8c552..000000000000
--- a/drivers/staging/gma500/displays/pyr_cmd.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef PYR_CMD_H
-#define PYR_CMD_H
-
-extern void pyr_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-
-#endif
-
diff --git a/drivers/staging/gma500/displays/pyr_vid.h b/drivers/staging/gma500/displays/pyr_vid.h
deleted file mode 100644
index ce98860fa68a..000000000000
--- a/drivers/staging/gma500/displays/pyr_vid.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef PYR_VID_H
-#define PYR_VID_H
-
-extern void pyr_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-extern struct drm_display_mode *pyr_vid_get_config_mode(struct drm_device* dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/tmd_cmd.h b/drivers/staging/gma500/displays/tmd_cmd.h
deleted file mode 100644
index 641e85eedece..000000000000
--- a/drivers/staging/gma500/displays/tmd_cmd.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef TMD_CMD_H
-#define TMD_CMD_H
-
-extern void tmd_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-extern struct drm_display_mode *tmd_cmd_get_config_mode(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/tmd_vid.h b/drivers/staging/gma500/displays/tmd_vid.h
deleted file mode 100644
index 7a5fa3b935e3..000000000000
--- a/drivers/staging/gma500/displays/tmd_vid.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef TMD_VID_H
-#define TMD_VID_H
-
-extern void tmd_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-extern struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/tpo_cmd.h b/drivers/staging/gma500/displays/tpo_cmd.h
deleted file mode 100644
index 610552730d71..000000000000
--- a/drivers/staging/gma500/displays/tpo_cmd.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef TPO_CMD_H
-#define TPO_CMD_H
-
-extern void tpo_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-/* extern struct drm_display_mode * */
-/* tpo_cmd_get_config_mode(struct drm_device *dev); */
-
-#endif
diff --git a/drivers/staging/gma500/displays/tpo_vid.h b/drivers/staging/gma500/displays/tpo_vid.h
deleted file mode 100644
index c24f05722de1..000000000000
--- a/drivers/staging/gma500/displays/tpo_vid.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef TPO_VID_H
-#define TPO_VID_H
-
-extern void tpo_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-
-#endif
diff --git a/drivers/staging/gma500/framebuffer.c b/drivers/staging/gma500/framebuffer.c
deleted file mode 100644
index b00761cba144..000000000000
--- a/drivers/staging/gma500/framebuffer.c
+++ /dev/null
@@ -1,856 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/console.h>
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_fb_helper.h>
-
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_drv.h"
-#include "framebuffer.h"
-#include "gtt.h"
-
-#include "mdfld_output.h"
-
-static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb);
-static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
-					      struct drm_file *file_priv,
-					      unsigned int *handle);
-
-static const struct drm_framebuffer_funcs psb_fb_funcs = {
-	.destroy = psb_user_framebuffer_destroy,
-	.create_handle = psb_user_framebuffer_create_handle,
-};
-
-#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16)
-
-static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green,
-			   unsigned blue, unsigned transp,
-			   struct fb_info *info)
-{
-	struct psb_fbdev *fbdev = info->par;
-	struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
-	uint32_t v;
-
-	if (!fb)
-		return -ENOMEM;
-
-	if (regno > 255)
-		return 1;
-
-	red = CMAP_TOHW(red, info->var.red.length);
-	blue = CMAP_TOHW(blue, info->var.blue.length);
-	green = CMAP_TOHW(green, info->var.green.length);
-	transp = CMAP_TOHW(transp, info->var.transp.length);
-
-	v = (red << info->var.red.offset) |
-	    (green << info->var.green.offset) |
-	    (blue << info->var.blue.offset) |
-	    (transp << info->var.transp.offset);
-
-	if (regno < 16) {
-		switch (fb->bits_per_pixel) {
-		case 16:
-			((uint32_t *) info->pseudo_palette)[regno] = v;
-			break;
-		case 24:
-		case 32:
-			((uint32_t *) info->pseudo_palette)[regno] = v;
-			break;
-		}
-	}
-
-	return 0;
-}
-
-static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info)
-{
-	struct psb_fbdev *fbdev = info->par;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-	struct drm_device *dev = psbfb->base.dev;
-
-	/*
-	 *	We have to poke our nose in here. The core fb code assumes
-	 *	panning is part of the hardware that can be invoked before
-	 *	the actual fb is mapped. In our case that isn't quite true.
-	 */
-	if (psbfb->gtt->npage)
-        	psb_gtt_roll(dev, psbfb->gtt, var->yoffset);
-	return 0;
-}
-
-void psbfb_suspend(struct drm_device *dev)
-{
-	struct drm_framebuffer *fb = 0;
-	struct psb_framebuffer *psbfb = to_psb_fb(fb);
-
-	console_lock();
-	mutex_lock(&dev->mode_config.mutex);
-	list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
-		struct fb_info *info = psbfb->fbdev;
-		fb_set_suspend(info, 1);
-		drm_fb_helper_blank(FB_BLANK_POWERDOWN, info);
-	}
-	mutex_unlock(&dev->mode_config.mutex);
-	console_unlock();
-}
-
-void psbfb_resume(struct drm_device *dev)
-{
-	struct drm_framebuffer *fb = 0;
-	struct psb_framebuffer *psbfb = to_psb_fb(fb);
-
-	console_lock();
-	mutex_lock(&dev->mode_config.mutex);
-	list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
-		struct fb_info *info = psbfb->fbdev;
-		fb_set_suspend(info, 0);
-		drm_fb_helper_blank(FB_BLANK_UNBLANK, info);
-	}
-	mutex_unlock(&dev->mode_config.mutex);
-	console_unlock();
-	drm_helper_disable_unused_functions(dev);
-}
-
-static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	struct psb_framebuffer *psbfb = vma->vm_private_data;
-	struct drm_device *dev = psbfb->base.dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int page_num;
-	int i;
-	unsigned long address;
-	int ret;
-	unsigned long pfn;
-	/* FIXME: assumes fb at stolen base which may not be true */
-	unsigned long phys_addr = (unsigned long)dev_priv->stolen_base;
-
-	page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
-	address = (unsigned long)vmf->virtual_address;
-
-	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-
-	for (i = 0; i < page_num; i++) {
-		pfn = (phys_addr >> PAGE_SHIFT);
-
-		ret = vm_insert_mixed(vma, address, pfn);
-		if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0)))
-			break;
-		else if (unlikely(ret != 0)) {
-			ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
-			return ret;
-		}
-		address += PAGE_SIZE;
-		phys_addr += PAGE_SIZE;
-	}
-	return VM_FAULT_NOPAGE;
-}
-
-static void psbfb_vm_open(struct vm_area_struct *vma)
-{
-}
-
-static void psbfb_vm_close(struct vm_area_struct *vma)
-{
-}
-
-static struct vm_operations_struct psbfb_vm_ops = {
-	.fault	= psbfb_vm_fault,
-	.open	= psbfb_vm_open,
-	.close	= psbfb_vm_close
-};
-
-static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
-	struct psb_fbdev *fbdev = info->par;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-
-	if (vma->vm_pgoff != 0)
-		return -EINVAL;
-	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
-		return -EINVAL;
-
-	if (!psbfb->addr_space)
-		psbfb->addr_space = vma->vm_file->f_mapping;
-	/*
-	 * If this is a GEM object then info->screen_base is the virtual
-	 * kernel remapping of the object. FIXME: Review if this is
-	 * suitable for our mmap work
-	 */
-	vma->vm_ops = &psbfb_vm_ops;
-	vma->vm_private_data = (void *)psbfb;
-	vma->vm_flags |= VM_RESERVED | VM_IO |
-					VM_MIXEDMAP | VM_DONTEXPAND;
-	return 0;
-}
-
-static int psbfb_ioctl(struct fb_info *info, unsigned int cmd,
-						unsigned long arg)
-{
-	return -ENOTTY;
-}
-
-static struct fb_ops psbfb_ops = {
-	.owner = THIS_MODULE,
-	.fb_check_var = drm_fb_helper_check_var,
-	.fb_set_par = drm_fb_helper_set_par,
-	.fb_blank = drm_fb_helper_blank,
-	.fb_setcolreg = psbfb_setcolreg,
-	.fb_fillrect = cfb_fillrect,
-	.fb_copyarea = psbfb_copyarea,
-	.fb_imageblit = cfb_imageblit,
-	.fb_mmap = psbfb_mmap,
-	.fb_sync = psbfb_sync,
-	.fb_ioctl = psbfb_ioctl,
-};
-
-static struct fb_ops psbfb_roll_ops = {
-	.owner = THIS_MODULE,
-	.fb_check_var = drm_fb_helper_check_var,
-	.fb_set_par = drm_fb_helper_set_par,
-	.fb_blank = drm_fb_helper_blank,
-	.fb_setcolreg = psbfb_setcolreg,
-	.fb_fillrect = cfb_fillrect,
-	.fb_copyarea = cfb_copyarea,
-	.fb_imageblit = cfb_imageblit,
-	.fb_pan_display = psbfb_pan,
-	.fb_mmap = psbfb_mmap,
-	.fb_sync = psbfb_sync,
-	.fb_ioctl = psbfb_ioctl,
-};
-
-static struct fb_ops psbfb_unaccel_ops = {
-	.owner = THIS_MODULE,
-	.fb_check_var = drm_fb_helper_check_var,
-	.fb_set_par = drm_fb_helper_set_par,
-	.fb_blank = drm_fb_helper_blank,
-	.fb_setcolreg = psbfb_setcolreg,
-	.fb_fillrect = cfb_fillrect,
-	.fb_copyarea = cfb_copyarea,
-	.fb_imageblit = cfb_imageblit,
-	.fb_mmap = psbfb_mmap,
-	.fb_ioctl = psbfb_ioctl,
-};
-
-/**
- *	psb_framebuffer_init	-	initialize a framebuffer
- *	@dev: our DRM device
- *	@fb: framebuffer to set up
- *	@mode_cmd: mode description
- *	@gt: backing object
- *
- *	Configure and fill in the boilerplate for our frame buffer. Return
- *	0 on success or an error code if we fail.
- */
-static int psb_framebuffer_init(struct drm_device *dev,
-					struct psb_framebuffer *fb,
-					struct drm_mode_fb_cmd2 *mode_cmd,
-					struct gtt_range *gt)
-{
-	u32 bpp, depth;
-	int ret;
-
-	drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
-
-	if (mode_cmd->pitches[0] & 63)
-		return -EINVAL;
-	switch (bpp) {
-	case 8:
-	case 16:
-	case 24:
-	case 32:
-		break;
-	default:
-		return -EINVAL;
-	}
-	ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs);
-	if (ret) {
-		dev_err(dev->dev, "framebuffer init failed: %d\n", ret);
-		return ret;
-	}
-	drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
-	fb->gtt = gt;
-	return 0;
-}
-
-/**
- *	psb_framebuffer_create	-	create a framebuffer backed by gt
- *	@dev: our DRM device
- *	@mode_cmd: the description of the requested mode
- *	@gt: the backing object
- *
- *	Create a framebuffer object backed by the gt, and fill in the
- *	boilerplate required
- *
- *	TODO: review object references
- */
-
-static struct drm_framebuffer *psb_framebuffer_create
-			(struct drm_device *dev,
-			 struct drm_mode_fb_cmd2 *mode_cmd,
-			 struct gtt_range *gt)
-{
-	struct psb_framebuffer *fb;
-	int ret;
-
-	fb = kzalloc(sizeof(*fb), GFP_KERNEL);
-	if (!fb)
-		return ERR_PTR(-ENOMEM);
-
-	ret = psb_framebuffer_init(dev, fb, mode_cmd, gt);
-	if (ret) {
-		kfree(fb);
-		return ERR_PTR(ret);
-	}
-	return &fb->base;
-}
-
-/**
- *	psbfb_alloc		-	allocate frame buffer memory
- *	@dev: the DRM device
- *	@aligned_size: space needed
- *	@force: fall back to GEM buffers if need be
- *
- *	Allocate the frame buffer. In the usual case we get a GTT range that
- *	is stolen memory backed and life is simple. If there isn't sufficient
- *	stolen memory or the system has no stolen memory we allocate a range
- *	and back it with a GEM object.
- *
- *	In this case the GEM object has no handle.
- */
-static struct gtt_range *psbfb_alloc(struct drm_device *dev,
-						int aligned_size, int force)
-{
-	struct gtt_range *backing;
-	/* Begin by trying to use stolen memory backing */
-	backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1);
-	if (backing) {
-		if (drm_gem_private_object_init(dev,
-					&backing->gem, aligned_size) == 0)
-			return backing;
-		psb_gtt_free_range(dev, backing);
-	}
-	if (!force)
-		return NULL;
-
-	/* Next try using GEM host memory */
-	backing = psb_gtt_alloc_range(dev, aligned_size, "fb(gem)", 0);
-	if (backing == NULL)
-		return NULL;
-
-	/* Now back it with an object */
-	if (drm_gem_object_init(dev, &backing->gem, aligned_size) != 0) {
-		psb_gtt_free_range(dev, backing);
-		return NULL;
-	}
-	return backing;
-}
-
-/**
- *	psbfb_create		-	create a framebuffer
- *	@fbdev: the framebuffer device
- *	@sizes: specification of the layout
- *
- *	Create a framebuffer to the specifications provided
- */
-static int psbfb_create(struct psb_fbdev *fbdev,
-				struct drm_fb_helper_surface_size *sizes)
-{
-	struct drm_device *dev = fbdev->psb_fb_helper.dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct fb_info *info;
-	struct drm_framebuffer *fb;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-	struct drm_mode_fb_cmd2 mode_cmd;
-	struct device *device = &dev->pdev->dev;
-	int size;
-	int ret;
-	struct gtt_range *backing;
-	int gtt_roll = 1;
-	u32 bpp, depth;
-
-	mode_cmd.width = sizes->surface_width;
-	mode_cmd.height = sizes->surface_height;
-	bpp = sizes->surface_bpp;
-
-	/* No 24bit packed */
-	if (bpp == 24)
-		bpp = 32;
-
-	/* Acceleration via the GTT requires pitch to be 4096 byte aligned 
-	   (ie 1024 or 2048 pixels in normal use) */
-	mode_cmd.pitches[0] =  ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096);
-	depth = sizes->surface_depth;
-
-	size = mode_cmd.pitches[0] * mode_cmd.height;
-	size = ALIGN(size, PAGE_SIZE);
-
-	/* Allocate the framebuffer in the GTT with stolen page backing */
-	backing = psbfb_alloc(dev, size, 0);
-	if (backing == NULL) {
-		/*
-		 *	We couldn't get the space we wanted, fall back to the
-		 *	display engine requirement instead.  The HW requires
-		 *	the pitch to be 64 byte aligned
-		 */
-
-		gtt_roll = 0;	/* Don't use GTT accelerated scrolling */
-
-		mode_cmd.pitches[0] =  ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64);
-		depth = sizes->surface_depth;
-
-		size = mode_cmd.pitches[0] * mode_cmd.height;
-		size = ALIGN(size, PAGE_SIZE);
-
-		/* Allocate the framebuffer in the GTT with stolen page
-		   backing when there is room */
-		backing = psbfb_alloc(dev, size, 1);
-		if (backing == NULL)
-			return -ENOMEM;
-	}
-
-	mutex_lock(&dev->struct_mutex);
-
-	info = framebuffer_alloc(0, device);
-	if (!info) {
-		ret = -ENOMEM;
-		goto out_err1;
-	}
-	info->par = fbdev;
-
-	mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
-
-	ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
-	if (ret)
-		goto out_unref;
-
-	fb = &psbfb->base;
-	psbfb->fbdev = info;
-
-	fbdev->psb_fb_helper.fb = fb;
-	fbdev->psb_fb_helper.fbdev = info;
-
-	strcpy(info->fix.id, "psbfb");
-
-	info->flags = FBINFO_DEFAULT;
-	if (gtt_roll) {	/* GTT rolling seems best */
-		info->fbops = &psbfb_roll_ops;
-		info->flags |= FBINFO_HWACCEL_YPAN;
-        }
-	else if (dev_priv->ops->accel_2d)	/* 2D engine */
-		info->fbops = &psbfb_ops;
-	else	/* Software */
-		info->fbops = &psbfb_unaccel_ops;
-
-	ret = fb_alloc_cmap(&info->cmap, 256, 0);
-	if (ret) {
-		ret = -ENOMEM;
-		goto out_unref;
-	}
-
-	info->fix.smem_start = dev->mode_config.fb_base;
-	info->fix.smem_len = size;
-	info->fix.ywrapstep = gtt_roll;
-	info->fix.ypanstep = gtt_roll;
-
-	if (backing->stolen) {
-		/* Accessed stolen memory directly */
-		info->screen_base = (char *)dev_priv->vram_addr +
-							backing->offset;
-	} else {
-		/* Pin the pages into the GTT and create a mapping to them */
-		psb_gtt_pin(backing);
-		info->screen_base = vm_map_ram(backing->pages, backing->npage,
-				-1, PAGE_KERNEL);
-		if (info->screen_base == NULL) {
-			psb_gtt_unpin(backing);
-			ret = -ENOMEM;
-			goto out_unref;
-		}
-		psbfb->vm_map = 1;
-	}
-	info->screen_size = size;
-
-	if (dev_priv->gtt.stolen_size) {
-		info->apertures = alloc_apertures(1);
-		if (!info->apertures) {
-			ret = -ENOMEM;
-			goto out_unref;
-		}
-		info->apertures->ranges[0].base = dev->mode_config.fb_base;
-		info->apertures->ranges[0].size = dev_priv->gtt.stolen_size;
-	}
-
-	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
-	drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
-				sizes->fb_width, sizes->fb_height);
-
-	info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
-	info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
-
-	info->pixmap.size = 64 * 1024;
-	info->pixmap.buf_align = 8;
-	info->pixmap.access_align = 32;
-	info->pixmap.flags = FB_PIXMAP_SYSTEM;
-	info->pixmap.scan_align = 1;
-
-	dev_info(dev->dev, "allocated %dx%d fb\n",
-					psbfb->base.width, psbfb->base.height);
-
-	mutex_unlock(&dev->struct_mutex);
-	return 0;
-out_unref:
-	if (backing->stolen)
-		psb_gtt_free_range(dev, backing);
-	else {
-		if (psbfb->vm_map)
-			vm_unmap_ram(info->screen_base, backing->npage);
-		drm_gem_object_unreference(&backing->gem);
-	}
-out_err1:
-	mutex_unlock(&dev->struct_mutex);
-	psb_gtt_free_range(dev, backing);
-	return ret;
-}
-
-/**
- *	psb_user_framebuffer_create	-	create framebuffer
- *	@dev: our DRM device
- *	@filp: client file
- *	@cmd: mode request
- *
- *	Create a new framebuffer backed by a userspace GEM object
- */
-static struct drm_framebuffer *psb_user_framebuffer_create
-			(struct drm_device *dev, struct drm_file *filp,
-			 struct drm_mode_fb_cmd2 *cmd)
-{
-	struct gtt_range *r;
-	struct drm_gem_object *obj;
-
-	/*
-	 *	Find the GEM object and thus the gtt range object that is
-	 *	to back this space
-	 */
-	obj = drm_gem_object_lookup(dev, filp, cmd->handles[0]);
-	if (obj == NULL)
-		return ERR_PTR(-ENOENT);
-
-	/* Let the core code do all the work */
-	r = container_of(obj, struct gtt_range, gem);
-	return psb_framebuffer_create(dev, cmd, r);
-}
-
-static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
-							u16 blue, int regno)
-{
-}
-
-static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red,
-					u16 *green, u16 *blue, int regno)
-{
-}
-
-static int psbfb_probe(struct drm_fb_helper *helper,
-				struct drm_fb_helper_surface_size *sizes)
-{
-	struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper;
-	int new_fb = 0;
-	int ret;
-
-	if (!helper->fb) {
-		ret = psbfb_create(psb_fbdev, sizes);
-		if (ret)
-			return ret;
-		new_fb = 1;
-	}
-	return new_fb;
-}
-
-struct drm_fb_helper_funcs psb_fb_helper_funcs = {
-	.gamma_set = psbfb_gamma_set,
-	.gamma_get = psbfb_gamma_get,
-	.fb_probe = psbfb_probe,
-};
-
-int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev)
-{
-	struct fb_info *info;
-	struct psb_framebuffer *psbfb = &fbdev->pfb;
-
-	if (fbdev->psb_fb_helper.fbdev) {
-		info = fbdev->psb_fb_helper.fbdev;
-
-		/* If this is our base framebuffer then kill any virtual map
-		   for the framebuffer layer and unpin it */
-		if (psbfb->vm_map) {
-			vm_unmap_ram(info->screen_base, psbfb->gtt->npage);
-			psb_gtt_unpin(psbfb->gtt);
-		}
-		unregister_framebuffer(info);
-		if (info->cmap.len)
-			fb_dealloc_cmap(&info->cmap);
-		framebuffer_release(info);
-	}
-	drm_fb_helper_fini(&fbdev->psb_fb_helper);
-	drm_framebuffer_cleanup(&psbfb->base);
-
-	if (psbfb->gtt)
-		drm_gem_object_unreference(&psbfb->gtt->gem);
-	return 0;
-}
-
-int psb_fbdev_init(struct drm_device *dev)
-{
-	struct psb_fbdev *fbdev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL);
-	if (!fbdev) {
-		dev_err(dev->dev, "no memory\n");
-		return -ENOMEM;
-	}
-
-	dev_priv->fbdev = fbdev;
-	fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs;
-
-	drm_fb_helper_init(dev, &fbdev->psb_fb_helper, dev_priv->ops->crtcs,
-							INTELFB_CONN_LIMIT);
-
-	drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper);
-	drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32);
-	return 0;
-}
-
-void psb_fbdev_fini(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (!dev_priv->fbdev)
-		return;
-
-	psb_fbdev_destroy(dev, dev_priv->fbdev);
-	kfree(dev_priv->fbdev);
-	dev_priv->fbdev = NULL;
-}
-
-static void psbfb_output_poll_changed(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev;
-	drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper);
-}
-
-/**
- *	psb_user_framebuffer_create_handle - add hamdle to a framebuffer
- *	@fb: framebuffer
- *	@file_priv: our DRM file
- *	@handle: returned handle
- *
- *	Our framebuffer object is a GTT range which also contains a GEM
- *	object. We need to turn it into a handle for userspace. GEM will do
- *	the work for us
- */
-static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
-					      struct drm_file *file_priv,
-					      unsigned int *handle)
-{
-	struct psb_framebuffer *psbfb = to_psb_fb(fb);
-	struct gtt_range *r = psbfb->gtt;
-	return drm_gem_handle_create(file_priv, &r->gem, handle);
-}
-
-/**
- *	psb_user_framebuffer_destroy	-	destruct user created fb
- *	@fb: framebuffer
- *
- *	User framebuffers are backed by GEM objects so all we have to do is
- *	clean up a bit and drop the reference, GEM will handle the fallout
- */
-static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb)
-{
-	struct psb_framebuffer *psbfb = to_psb_fb(fb);
-	struct gtt_range *r = psbfb->gtt;
-	struct drm_device *dev = fb->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_fbdev *fbdev = dev_priv->fbdev;
-	struct drm_crtc *crtc;
-	int reset = 0;
-
-	/* Should never get stolen memory for a user fb */
-	WARN_ON(r->stolen);
-
-	/* Check if we are erroneously live */
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
-		if (crtc->fb == fb)
-			reset = 1;
-
-	if (reset)
-		/*
-		 * Now force a sane response before we permit the DRM CRTC
-		 * layer to do stupid things like blank the display. Instead
-		 * we reset this framebuffer as if the user had forced a reset.
-		 * We must do this before the cleanup so that the DRM layer
-		 * doesn't get a chance to stick its oar in where it isn't
-		 * wanted.
-		 */
-		drm_fb_helper_restore_fbdev_mode(&fbdev->psb_fb_helper);
-
-	/* Let DRM do its clean up */
-	drm_framebuffer_cleanup(fb);
-	/*  We are no longer using the resource in GEM */
-	drm_gem_object_unreference_unlocked(&r->gem);
-	kfree(fb);
-}
-
-static const struct drm_mode_config_funcs psb_mode_funcs = {
-	.fb_create = psb_user_framebuffer_create,
-	.output_poll_changed = psbfb_output_poll_changed,
-};
-
-static int psb_create_backlight_property(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_property *backlight;
-
-	if (dev_priv->backlight_property)
-		return 0;
-
-	backlight = drm_property_create(dev, DRM_MODE_PROP_RANGE,
-							"backlight", 2);
-	backlight->values[0] = 0;
-	backlight->values[1] = 100;
-
-	dev_priv->backlight_property = backlight;
-
-	return 0;
-}
-
-static void psb_setup_outputs(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_connector *connector;
-
-	drm_mode_create_scaling_mode_property(dev);
-	psb_create_backlight_property(dev);
-
-	dev_priv->ops->output_init(dev);
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list,
-			    head) {
-		struct psb_intel_output *psb_intel_output =
-		    to_psb_intel_output(connector);
-		struct drm_encoder *encoder = &psb_intel_output->enc;
-		int crtc_mask = 0, clone_mask = 0;
-
-		/* valid crtcs */
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_ANALOG:
-			crtc_mask = (1 << 0);
-			clone_mask = (1 << INTEL_OUTPUT_ANALOG);
-			break;
-		case INTEL_OUTPUT_SDVO:
-			crtc_mask = ((1 << 0) | (1 << 1));
-			clone_mask = (1 << INTEL_OUTPUT_SDVO);
-			break;
-		case INTEL_OUTPUT_LVDS:
-			if (IS_MRST(dev))
-				crtc_mask = (1 << 0);
-			else
-				crtc_mask = (1 << 1);
-			clone_mask = (1 << INTEL_OUTPUT_LVDS);
-			break;
-		case INTEL_OUTPUT_MIPI:
-			crtc_mask = (1 << 0);
-			clone_mask = (1 << INTEL_OUTPUT_MIPI);
-			break;
-		case INTEL_OUTPUT_MIPI2:
-			crtc_mask = (1 << 2);
-			clone_mask = (1 << INTEL_OUTPUT_MIPI2);
-			break;
-		case INTEL_OUTPUT_HDMI:
-		        /* HDMI on crtc 1 for SoC devices and crtc 0 for
-                           Cedarview. HDMI on Poulsbo is only via external
-			   logic */
-			if (IS_MFLD(dev) || IS_MRST(dev))
-				crtc_mask = (1 << 1);
-			else
-				crtc_mask = (1 << 0);	/* Cedarview */
-			clone_mask = (1 << INTEL_OUTPUT_HDMI);
-			break;
-		}
-		encoder->possible_crtcs = crtc_mask;
-		encoder->possible_clones =
-		    psb_intel_connector_clones(dev, clone_mask);
-	}
-}
-
-void psb_modeset_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
-	int i;
-
-	drm_mode_config_init(dev);
-
-	dev->mode_config.min_width = 0;
-	dev->mode_config.min_height = 0;
-
-	dev->mode_config.funcs = (void *) &psb_mode_funcs;
-
-	/* set memory base */
-	/* MRST and PSB should use BAR 2*/
-	pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *)
-					&(dev->mode_config.fb_base));
-
-	/* num pipes is 2 for PSB but 1 for Mrst */
-	for (i = 0; i < dev_priv->num_pipe; i++)
-		psb_intel_crtc_init(dev, i, mode_dev);
-
-	dev->mode_config.max_width = 2048;
-	dev->mode_config.max_height = 2048;
-
-	psb_setup_outputs(dev);
-}
-
-void psb_modeset_cleanup(struct drm_device *dev)
-{
-	mutex_lock(&dev->struct_mutex);
-
-	drm_kms_helper_poll_fini(dev);
-	psb_fbdev_fini(dev);
-	drm_mode_config_cleanup(dev);
-
-	mutex_unlock(&dev->struct_mutex);
-}
diff --git a/drivers/staging/gma500/framebuffer.h b/drivers/staging/gma500/framebuffer.h
deleted file mode 100644
index d1b2289447f0..000000000000
--- a/drivers/staging/gma500/framebuffer.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2008-2011, Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- *
- */
-
-#ifndef _FRAMEBUFFER_H_
-#define _FRAMEBUFFER_H_
-
-#include <drm/drmP.h>
-#include <drm/drm_fb_helper.h>
-
-#include "psb_drv.h"
-
-struct psb_framebuffer {
-	struct drm_framebuffer base;
-	struct address_space *addr_space;
-	struct fb_info *fbdev;
-	struct gtt_range *gtt;
-	bool vm_map;		/* True if we must undo a vm_map_ram */
-};
-
-struct psb_fbdev {
-	struct drm_fb_helper psb_fb_helper;
-	struct psb_framebuffer pfb;
-};
-
-#define to_psb_fb(x) container_of(x, struct psb_framebuffer, base)
-
-extern int psb_intel_connector_clones(struct drm_device *dev, int type_mask);
-
-#endif
-
diff --git a/drivers/staging/gma500/gem.c b/drivers/staging/gma500/gem.c
deleted file mode 100644
index f6433c037d24..000000000000
--- a/drivers/staging/gma500/gem.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- *  psb GEM interface
- *
- * Copyright (c) 2011, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Alan Cox
- *
- * TODO:
- *	-	we need to work out if the MMU is relevant (eg for
- *		accelerated operations on a GEM object)
- */
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-
-int psb_gem_init_object(struct drm_gem_object *obj)
-{
-	return -EINVAL;
-}
-
-void psb_gem_free_object(struct drm_gem_object *obj)
-{
-	struct gtt_range *gtt = container_of(obj, struct gtt_range, gem);
-	drm_gem_object_release_wrap(obj);
-	/* This must occur last as it frees up the memory of the GEM object */
-	psb_gtt_free_range(obj->dev, gtt);
-}
-
-int psb_gem_get_aperture(struct drm_device *dev, void *data,
-				struct drm_file *file)
-{
-	return -EINVAL;
-}
-
-/**
- *	psb_gem_dumb_map_gtt	-	buffer mapping for dumb interface
- *	@file: our drm client file
- *	@dev: drm device
- *	@handle: GEM handle to the object (from dumb_create)
- *
- *	Do the necessary setup to allow the mapping of the frame buffer
- *	into user memory. We don't have to do much here at the moment.
- */
-int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
-			 uint32_t handle, uint64_t *offset)
-{
-	int ret = 0;
-	struct drm_gem_object *obj;
-
-	if (!(dev->driver->driver_features & DRIVER_GEM))
-		return -ENODEV;
-
-	mutex_lock(&dev->struct_mutex);
-
-	/* GEM does all our handle to object mapping */
-	obj = drm_gem_object_lookup(dev, file, handle);
-	if (obj == NULL) {
-		ret = -ENOENT;
-		goto unlock;
-	}
-	/* What validation is needed here ? */
-
-	/* Make it mmapable */
-	if (!obj->map_list.map) {
-		ret = gem_create_mmap_offset(obj);
-		if (ret)
-			goto out;
-	}
-	/* GEM should really work out the hash offsets for us */
-	*offset = (u64)obj->map_list.hash.key << PAGE_SHIFT;
-out:
-	drm_gem_object_unreference(obj);
-unlock:
-	mutex_unlock(&dev->struct_mutex);
-	return ret;
-}
-
-/**
- *	psb_gem_create		-	create a mappable object
- *	@file: the DRM file of the client
- *	@dev: our device
- *	@size: the size requested
- *	@handlep: returned handle (opaque number)
- *
- *	Create a GEM object, fill in the boilerplate and attach a handle to
- *	it so that userspace can speak about it. This does the core work
- *	for the various methods that do/will create GEM objects for things
- */
-static int psb_gem_create(struct drm_file *file,
-	struct drm_device *dev, uint64_t size, uint32_t *handlep)
-{
-	struct gtt_range *r;
-	int ret;
-	u32 handle;
-
-	size = roundup(size, PAGE_SIZE);
-
-	/* Allocate our object - for now a direct gtt range which is not
-	   stolen memory backed */
-	r = psb_gtt_alloc_range(dev, size, "gem", 0);
-	if (r == NULL) {
-		dev_err(dev->dev, "no memory for %lld byte GEM object\n", size);
-		return -ENOSPC;
-	}
-	/* Initialize the extra goodies GEM needs to do all the hard work */
-	if (drm_gem_object_init(dev, &r->gem, size) != 0) {
-		psb_gtt_free_range(dev, r);
-		/* GEM doesn't give an error code so use -ENOMEM */
-		dev_err(dev->dev, "GEM init failed for %lld\n", size);
-		return -ENOMEM;
-	}
-	/* Give the object a handle so we can carry it more easily */
-	ret = drm_gem_handle_create(file, &r->gem, &handle);
-	if (ret) {
-		dev_err(dev->dev, "GEM handle failed for %p, %lld\n",
-							&r->gem, size);
-		drm_gem_object_release(&r->gem);
-		psb_gtt_free_range(dev, r);
-		return ret;
-	}
-	/* We have the initial and handle reference but need only one now */
-	drm_gem_object_unreference(&r->gem);
-	*handlep = handle;
-	return 0;
-}
-
-/**
- *	psb_gem_dumb_create	-	create a dumb buffer
- *	@drm_file: our client file
- *	@dev: our device
- *	@args: the requested arguments copied from userspace
- *
- *	Allocate a buffer suitable for use for a frame buffer of the
- *	form described by user space. Give userspace a handle by which
- *	to reference it.
- */
-int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
-			struct drm_mode_create_dumb *args)
-{
-	args->pitch = ALIGN(args->width * ((args->bpp + 7) / 8), 64);
-	args->size = args->pitch * args->height;
-	return psb_gem_create(file, dev, args->size, &args->handle);
-}
-
-/**
- *	psb_gem_dumb_destroy	-	destroy a dumb buffer
- *	@file: client file
- *	@dev: our DRM device
- *	@handle: the object handle
- *
- *	Destroy a handle that was created via psb_gem_dumb_create, at least
- *	we hope it was created that way. i915 seems to assume the caller
- *	does the checking but that might be worth review ! FIXME
- */
-int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
-			uint32_t handle)
-{
-	/* No special work needed, drop the reference and see what falls out */
-	return drm_gem_handle_delete(file, handle);
-}
-
-/**
- *	psb_gem_fault		-	pagefault handler for GEM objects
- *	@vma: the VMA of the GEM object
- *	@vmf: fault detail
- *
- *	Invoked when a fault occurs on an mmap of a GEM managed area. GEM
- *	does most of the work for us including the actual map/unmap calls
- *	but we need to do the actual page work.
- *
- *	This code eventually needs to handle faulting objects in and out
- *	of the GTT and repacking it when we run out of space. We can put
- *	that off for now and for our simple uses
- *
- *	The VMA was set up by GEM. In doing so it also ensured that the
- *	vma->vm_private_data points to the GEM object that is backing this
- *	mapping.
- */
-int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	struct drm_gem_object *obj;
-	struct gtt_range *r;
-	int ret;
-	unsigned long pfn;
-	pgoff_t page_offset;
-	struct drm_device *dev;
-	struct drm_psb_private *dev_priv;
-
-	obj = vma->vm_private_data;	/* GEM object */
-	dev = obj->dev;
-	dev_priv = dev->dev_private;
-
-	r = container_of(obj, struct gtt_range, gem);	/* Get the gtt range */
-
-	/* Make sure we don't parallel update on a fault, nor move or remove
-	   something from beneath our feet */
-	mutex_lock(&dev->struct_mutex);
-
-	/* For now the mmap pins the object and it stays pinned. As things
-	   stand that will do us no harm */
-	if (r->mmapping == 0) {
-		ret = psb_gtt_pin(r);
-		if (ret < 0) {
-			dev_err(dev->dev, "gma500: pin failed: %d\n", ret);
-			goto fail;
-		}
-		r->mmapping = 1;
-	}
-
-	/* Page relative to the VMA start - we must calculate this ourselves
-	   because vmf->pgoff is the fake GEM offset */
-	page_offset = ((unsigned long) vmf->virtual_address - vma->vm_start)
-				>> PAGE_SHIFT;
-
-	/* CPU view of the page, don't go via the GART for CPU writes */
-	if (r->stolen)
-		pfn = (dev_priv->stolen_base + r->offset) >> PAGE_SHIFT;
-	else
-		pfn = page_to_pfn(r->pages[page_offset]);
-	ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
-
-fail:
-	mutex_unlock(&dev->struct_mutex);
-	switch (ret) {
-	case 0:
-	case -ERESTARTSYS:
-	case -EINTR:
-		return VM_FAULT_NOPAGE;
-	case -ENOMEM:
-		return VM_FAULT_OOM;
-	default:
-		return VM_FAULT_SIGBUS;
-	}
-}
-
-static int psb_gem_create_stolen(struct drm_file *file, struct drm_device *dev,
-						int size, u32 *handle)
-{
-	struct gtt_range *gtt = psb_gtt_alloc_range(dev, size, "gem", 1);
-	if (gtt == NULL)
-		return -ENOMEM;
-	if (drm_gem_private_object_init(dev, &gtt->gem, size) != 0)
-		goto free_gtt;
-	if (drm_gem_handle_create(file, &gtt->gem, handle) == 0)
-		return 0;
-free_gtt:
-	psb_gtt_free_range(dev, gtt);
-	return -ENOMEM;
-}
-
-/*
- *	GEM interfaces for our specific client
- */
-int psb_gem_create_ioctl(struct drm_device *dev, void *data,
-					struct drm_file *file)
-{
-	struct drm_psb_gem_create *args = data;
-	int ret;
-	if (args->flags & PSB_GEM_CREATE_STOLEN) {
-		ret = psb_gem_create_stolen(file, dev, args->size,
-							&args->handle);
-		if (ret == 0)
-			return 0;
-		/* Fall throguh */
-		args->flags &= ~PSB_GEM_CREATE_STOLEN;
-	}
-	return psb_gem_create(file, dev, args->size, &args->handle);
-}
-
-int psb_gem_mmap_ioctl(struct drm_device *dev, void *data,
-					struct drm_file *file)
-{
-	struct drm_psb_gem_mmap *args = data;
-	return dev->driver->dumb_map_offset(file, dev,
-						args->handle, &args->offset);
-}
-
diff --git a/drivers/staging/gma500/gem_glue.c b/drivers/staging/gma500/gem_glue.c
deleted file mode 100644
index daac12120653..000000000000
--- a/drivers/staging/gma500/gem_glue.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-
-void drm_gem_object_release_wrap(struct drm_gem_object *obj)
-{
-	/* Remove the list map if one is present */
-	if (obj->map_list.map) {
-		struct drm_gem_mm *mm = obj->dev->mm_private;
-		struct drm_map_list *list = &obj->map_list;
-		drm_ht_remove_item(&mm->offset_hash, &list->hash);
-		drm_mm_put_block(list->file_offset_node);
-		kfree(list->map);
-		list->map = NULL;
-	}
-	drm_gem_object_release(obj);
-}
-
-/**
- *	gem_create_mmap_offset		-	invent an mmap offset
- *	@obj: our object
- *
- *	Standard implementation of offset generation for mmap as is
- *	duplicated in several drivers. This belongs in GEM.
- */
-int gem_create_mmap_offset(struct drm_gem_object *obj)
-{
-	struct drm_device *dev = obj->dev;
-	struct drm_gem_mm *mm = dev->mm_private;
-	struct drm_map_list *list;
-	struct drm_local_map *map;
-	int ret;
-
-	list = &obj->map_list;
-	list->map = kzalloc(sizeof(struct drm_map_list), GFP_KERNEL);
-	if (list->map == NULL)
-		return -ENOMEM;
-	map = list->map;
-	map->type = _DRM_GEM;
-	map->size = obj->size;
-	map->handle = obj;
-
-	list->file_offset_node = drm_mm_search_free(&mm->offset_manager,
-					obj->size / PAGE_SIZE, 0, 0);
-	if (!list->file_offset_node) {
-		dev_err(dev->dev, "failed to allocate offset for bo %d\n",
-								obj->name);
-		ret = -ENOSPC;
-		goto free_it;
-	}
-	list->file_offset_node = drm_mm_get_block(list->file_offset_node,
-					obj->size / PAGE_SIZE, 0);
-	if (!list->file_offset_node) {
-		ret = -ENOMEM;
-		goto free_it;
-	}
-	list->hash.key = list->file_offset_node->start;
-	ret = drm_ht_insert_item(&mm->offset_hash, &list->hash);
-	if (ret) {
-		dev_err(dev->dev, "failed to add to map hash\n");
-		goto free_mm;
-	}
-	return 0;
-
-free_mm:
-	drm_mm_put_block(list->file_offset_node);
-free_it:
-	kfree(list->map);
-	list->map = NULL;
-	return ret;
-}
diff --git a/drivers/staging/gma500/gem_glue.h b/drivers/staging/gma500/gem_glue.h
deleted file mode 100644
index ce5ce30f74db..000000000000
--- a/drivers/staging/gma500/gem_glue.h
+++ /dev/null
@@ -1,2 +0,0 @@
-extern void drm_gem_object_release_wrap(struct drm_gem_object *obj);
-extern int gem_create_mmap_offset(struct drm_gem_object *obj);
diff --git a/drivers/staging/gma500/gtt.c b/drivers/staging/gma500/gtt.c
deleted file mode 100644
index e770bd190a5c..000000000000
--- a/drivers/staging/gma500/gtt.c
+++ /dev/null
@@ -1,553 +0,0 @@
-/*
- * Copyright (c) 2007, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com>
- *	    Alan Cox <alan@linux.intel.com>
- */
-
-#include <drm/drmP.h>
-#include "psb_drv.h"
-
-
-/*
- *	GTT resource allocator - manage page mappings in GTT space
- */
-
-/**
- *	psb_gtt_mask_pte	-	generate GTT pte entry
- *	@pfn: page number to encode
- *	@type: type of memory in the GTT
- *
- *	Set the GTT entry for the appropriate memory type.
- */
-static inline uint32_t psb_gtt_mask_pte(uint32_t pfn, int type)
-{
-	uint32_t mask = PSB_PTE_VALID;
-
-	if (type & PSB_MMU_CACHED_MEMORY)
-		mask |= PSB_PTE_CACHED;
-	if (type & PSB_MMU_RO_MEMORY)
-		mask |= PSB_PTE_RO;
-	if (type & PSB_MMU_WO_MEMORY)
-		mask |= PSB_PTE_WO;
-
-	return (pfn << PAGE_SHIFT) | mask;
-}
-
-/**
- *	psb_gtt_entry		-	find the GTT entries for a gtt_range
- *	@dev: our DRM device
- *	@r: our GTT range
- *
- *	Given a gtt_range object return the GTT offset of the page table
- *	entries for this gtt_range
- */
-u32 *psb_gtt_entry(struct drm_device *dev, struct gtt_range *r)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long offset;
-
-	offset = r->resource.start - dev_priv->gtt_mem->start;
-
-	return dev_priv->gtt_map + (offset >> PAGE_SHIFT);
-}
-
-/**
- *	psb_gtt_insert	-	put an object into the GTT
- *	@dev: our DRM device
- *	@r: our GTT range
- *
- *	Take our preallocated GTT range and insert the GEM object into
- *	the GTT. This is protected via the gtt mutex which the caller
- *	must hold.
- */
-static int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r)
-{
-	u32 *gtt_slot, pte;
-	struct page **pages;
-	int i;
-
-	if (r->pages == NULL) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	WARN_ON(r->stolen);	/* refcount these maybe ? */
-
-	gtt_slot = psb_gtt_entry(dev, r);
-	pages = r->pages;
-
-	/* Make sure changes are visible to the GPU */
-	set_pages_array_uc(pages, r->npage);
-
-	/* Write our page entries into the GTT itself */
-	for (i = r->roll; i < r->npage; i++) {
-		pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-		iowrite32(pte, gtt_slot++);
-	}
-	for (i = 0; i < r->roll; i++) {
-		pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-		iowrite32(pte, gtt_slot++);
-	}
-	/* Make sure all the entries are set before we return */
-	ioread32(gtt_slot - 1);
-
-	return 0;
-}
-
-/**
- *	psb_gtt_remove	-	remove an object from the GTT
- *	@dev: our DRM device
- *	@r: our GTT range
- *
- *	Remove a preallocated GTT range from the GTT. Overwrite all the
- *	page table entries with the dummy page. This is protected via the gtt
- *	mutex which the caller must hold.
- */
-static void psb_gtt_remove(struct drm_device *dev, struct gtt_range *r)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 *gtt_slot, pte;
-	int i;
-
-	WARN_ON(r->stolen);
-
-	gtt_slot = psb_gtt_entry(dev, r);
-	pte = psb_gtt_mask_pte(page_to_pfn(dev_priv->scratch_page), 0);
-
-	for (i = 0; i < r->npage; i++)
-		iowrite32(pte, gtt_slot++);
-	ioread32(gtt_slot - 1);
-	set_pages_array_wb(r->pages, r->npage);
-}
-
-/**
- *	psb_gtt_roll	-	set scrolling position
- *	@dev: our DRM device
- *	@r: the gtt mapping we are using
- *	@roll: roll offset
- *
- *	Roll an existing pinned mapping by moving the pages through the GTT.
- *	This allows us to implement hardware scrolling on the consoles without
- *	a 2D engine
- */
-void psb_gtt_roll(struct drm_device *dev, struct gtt_range *r, int roll)
-{
-	u32 *gtt_slot, pte;
-	int i;
-
-	if (roll >= r->npage) {
-		WARN_ON(1);
-		return;
-	}
-
-	r->roll = roll;
-
-	/* Not currently in the GTT - no worry we will write the mapping at
-	   the right position when it gets pinned */
-	if (!r->stolen && !r->in_gart)
-		return;
-
-	gtt_slot = psb_gtt_entry(dev, r);
-
-	for (i = r->roll; i < r->npage; i++) {
-		pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-		iowrite32(pte, gtt_slot++);
-	}
-	for (i = 0; i < r->roll; i++) {
-		pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-		iowrite32(pte, gtt_slot++);
-	}
-	ioread32(gtt_slot - 1);
-}
-
-/**
- *	psb_gtt_attach_pages	-	attach and pin GEM pages
- *	@gt: the gtt range
- *
- *	Pin and build an in kernel list of the pages that back our GEM object.
- *	While we hold this the pages cannot be swapped out. This is protected
- *	via the gtt mutex which the caller must hold.
- */
-static int psb_gtt_attach_pages(struct gtt_range *gt)
-{
-	struct inode *inode;
-	struct address_space *mapping;
-	int i;
-	struct page *p;
-	int pages = gt->gem.size / PAGE_SIZE;
-
-	WARN_ON(gt->pages);
-
-	/* This is the shared memory object that backs the GEM resource */
-	inode = gt->gem.filp->f_path.dentry->d_inode;
-	mapping = inode->i_mapping;
-
-	gt->pages = kmalloc(pages * sizeof(struct page *), GFP_KERNEL);
-	if (gt->pages == NULL)
-		return -ENOMEM;
-	gt->npage = pages;
-
-	for (i = 0; i < pages; i++) {
-		/* FIXME: needs updating as per mail from Hugh Dickins */
-		p = read_cache_page_gfp(mapping, i,
-					__GFP_COLD | GFP_KERNEL);
-		if (IS_ERR(p))
-			goto err;
-		gt->pages[i] = p;
-	}
-	return 0;
-
-err:
-	while (i--)
-		page_cache_release(gt->pages[i]);
-	kfree(gt->pages);
-	gt->pages = NULL;
-	return PTR_ERR(p);
-}
-
-/**
- *	psb_gtt_detach_pages	-	attach and pin GEM pages
- *	@gt: the gtt range
- *
- *	Undo the effect of psb_gtt_attach_pages. At this point the pages
- *	must have been removed from the GTT as they could now be paged out
- *	and move bus address. This is protected via the gtt mutex which the
- *	caller must hold.
- */
-static void psb_gtt_detach_pages(struct gtt_range *gt)
-{
-	int i;
-	for (i = 0; i < gt->npage; i++) {
-		/* FIXME: do we need to force dirty */
-		set_page_dirty(gt->pages[i]);
-		page_cache_release(gt->pages[i]);
-	}
-	kfree(gt->pages);
-	gt->pages = NULL;
-}
-
-/**
- *	psb_gtt_pin		-	pin pages into the GTT
- *	@gt: range to pin
- *
- *	Pin a set of pages into the GTT. The pins are refcounted so that
- *	multiple pins need multiple unpins to undo.
- *
- *	Non GEM backed objects treat this as a no-op as they are always GTT
- *	backed objects.
- */
-int psb_gtt_pin(struct gtt_range *gt)
-{
-	int ret = 0;
-	struct drm_device *dev = gt->gem.dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	mutex_lock(&dev_priv->gtt_mutex);
-
-	if (gt->in_gart == 0 && gt->stolen == 0) {
-		ret = psb_gtt_attach_pages(gt);
-		if (ret < 0)
-			goto out;
-		ret = psb_gtt_insert(dev, gt);
-		if (ret < 0) {
-			psb_gtt_detach_pages(gt);
-			goto out;
-		}
-	}
-	gt->in_gart++;
-out:
-	mutex_unlock(&dev_priv->gtt_mutex);
-	return ret;
-}
-
-/**
- *	psb_gtt_unpin		-	Drop a GTT pin requirement
- *	@gt: range to pin
- *
- *	Undoes the effect of psb_gtt_pin. On the last drop the GEM object
- *	will be removed from the GTT which will also drop the page references
- *	and allow the VM to clean up or page stuff.
- *
- *	Non GEM backed objects treat this as a no-op as they are always GTT
- *	backed objects.
- */
-void psb_gtt_unpin(struct gtt_range *gt)
-{
-	struct drm_device *dev = gt->gem.dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	mutex_lock(&dev_priv->gtt_mutex);
-
-	WARN_ON(!gt->in_gart);
-
-	gt->in_gart--;
-	if (gt->in_gart == 0 && gt->stolen == 0) {
-		psb_gtt_remove(dev, gt);
-		psb_gtt_detach_pages(gt);
-	}
-	mutex_unlock(&dev_priv->gtt_mutex);
-}
-
-/*
- *	GTT resource allocator - allocate and manage GTT address space
- */
-
-/**
- *	psb_gtt_alloc_range	-	allocate GTT address space
- *	@dev: Our DRM device
- *	@len: length (bytes) of address space required
- *	@name: resource name
- *	@backed: resource should be backed by stolen pages
- *
- *	Ask the kernel core to find us a suitable range of addresses
- *	to use for a GTT mapping.
- *
- *	Returns a gtt_range structure describing the object, or NULL on
- *	error. On successful return the resource is both allocated and marked
- *	as in use.
- */
-struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
-						const char *name, int backed)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct gtt_range *gt;
-	struct resource *r = dev_priv->gtt_mem;
-	int ret;
-	unsigned long start, end;
-
-	if (backed) {
-		/* The start of the GTT is the stolen pages */
-		start = r->start;
-		end = r->start + dev_priv->gtt.stolen_size - 1;
-	} else {
-		/* The rest we will use for GEM backed objects */
-		start = r->start + dev_priv->gtt.stolen_size;
-		end = r->end;
-	}
-
-	gt = kzalloc(sizeof(struct gtt_range), GFP_KERNEL);
-	if (gt == NULL)
-		return NULL;
-	gt->resource.name = name;
-	gt->stolen = backed;
-	gt->in_gart = backed;
-	gt->roll = 0;
-	/* Ensure this is set for non GEM objects */
-	gt->gem.dev = dev;
-	ret = allocate_resource(dev_priv->gtt_mem, &gt->resource,
-				len, start, end, PAGE_SIZE, NULL, NULL);
-	if (ret == 0) {
-		gt->offset = gt->resource.start - r->start;
-		return gt;
-	}
-	kfree(gt);
-	return NULL;
-}
-
-/**
- *	psb_gtt_free_range	-	release GTT address space
- *	@dev: our DRM device
- *	@gt: a mapping created with psb_gtt_alloc_range
- *
- *	Release a resource that was allocated with psb_gtt_alloc_range. If the
- *	object has been pinned by mmap users we clean this up here currently.
- */
-void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt)
-{
-	/* Undo the mmap pin if we are destroying the object */
-	if (gt->mmapping) {
-		psb_gtt_unpin(gt);
-		gt->mmapping = 0;
-	}
-	WARN_ON(gt->in_gart && !gt->stolen);
-	release_resource(&gt->resource);
-	kfree(gt);
-}
-
-void psb_gtt_alloc(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	init_rwsem(&dev_priv->gtt.sem);
-}
-
-void psb_gtt_takedown(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (dev_priv->gtt_map) {
-		iounmap(dev_priv->gtt_map);
-		dev_priv->gtt_map = NULL;
-	}
-	if (dev_priv->gtt_initialized) {
-		pci_write_config_word(dev->pdev, PSB_GMCH_CTRL,
-				      dev_priv->gmch_ctrl);
-		PSB_WVDC32(dev_priv->pge_ctl, PSB_PGETBL_CTL);
-		(void) PSB_RVDC32(PSB_PGETBL_CTL);
-	}
-	if (dev_priv->vram_addr)
-		iounmap(dev_priv->gtt_map);
-}
-
-int psb_gtt_init(struct drm_device *dev, int resume)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned gtt_pages;
-	unsigned long stolen_size, vram_stolen_size;
-	unsigned i, num_pages;
-	unsigned pfn_base;
-	uint32_t vram_pages;
-	uint32_t dvmt_mode = 0;
-	struct psb_gtt *pg;
-
-	int ret = 0;
-	uint32_t pte;
-
-	mutex_init(&dev_priv->gtt_mutex);
-
-	psb_gtt_alloc(dev);
-	pg = &dev_priv->gtt;
-
-	/* Enable the GTT */
-	pci_read_config_word(dev->pdev, PSB_GMCH_CTRL, &dev_priv->gmch_ctrl);
-	pci_write_config_word(dev->pdev, PSB_GMCH_CTRL,
-			      dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED);
-
-	dev_priv->pge_ctl = PSB_RVDC32(PSB_PGETBL_CTL);
-	PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL);
-	(void) PSB_RVDC32(PSB_PGETBL_CTL);
-
-	/* The root resource we allocate address space from */
-	dev_priv->gtt_initialized = 1;
-
-	pg->gtt_phys_start = dev_priv->pge_ctl & PAGE_MASK;
-
-	/*
-	 *	The video mmu has a hw bug when accessing 0x0D0000000.
-	 *	Make gatt start at 0x0e000,0000. This doesn't actually
-	 *	matter for us but may do if the video acceleration ever
-	 *	gets opened up.
-	 */
-	pg->mmu_gatt_start = 0xE0000000;
-
-	pg->gtt_start = pci_resource_start(dev->pdev, PSB_GTT_RESOURCE);
-	gtt_pages = pci_resource_len(dev->pdev, PSB_GTT_RESOURCE)
-								>> PAGE_SHIFT;
-	/* Some CDV firmware doesn't report this currently. In which case the
-	   system has 64 gtt pages */
-	if (pg->gtt_start == 0 || gtt_pages == 0) {
-		dev_err(dev->dev, "GTT PCI BAR not initialized.\n");
-		gtt_pages = 64;
-		pg->gtt_start = dev_priv->pge_ctl;
-	}
-
-	pg->gatt_start = pci_resource_start(dev->pdev, PSB_GATT_RESOURCE);
-	pg->gatt_pages = pci_resource_len(dev->pdev, PSB_GATT_RESOURCE)
-								>> PAGE_SHIFT;
-	dev_priv->gtt_mem = &dev->pdev->resource[PSB_GATT_RESOURCE];
-
-	if (pg->gatt_pages == 0 || pg->gatt_start == 0) {
-		static struct resource fudge;	/* Preferably peppermint */
-		/* This can occur on CDV SDV systems. Fudge it in this case.
-		   We really don't care what imaginary space is being allocated
-		   at this point */
-		dev_err(dev->dev, "GATT PCI BAR not initialized.\n");
-		pg->gatt_start = 0x40000000;
-		pg->gatt_pages = (128 * 1024 * 1024) >> PAGE_SHIFT;
-		/* This is a little confusing but in fact the GTT is providing
-		   a view from the GPU into memory and not vice versa. As such
-		   this is really allocating space that is not the same as the
-		   CPU address space on CDV */
-		fudge.start = 0x40000000;
-		fudge.end = 0x40000000 + 128 * 1024 * 1024 - 1;
-		fudge.name = "fudge";
-		fudge.flags = IORESOURCE_MEM;
-		dev_priv->gtt_mem = &fudge;
-	}
-
-	pci_read_config_dword(dev->pdev, PSB_BSM, &dev_priv->stolen_base);
-	vram_stolen_size = pg->gtt_phys_start - dev_priv->stolen_base
-								- PAGE_SIZE;
-
-	stolen_size = vram_stolen_size;
-
-	printk(KERN_INFO "Stolen memory information\n");
-	printk(KERN_INFO "       base in RAM: 0x%x\n", dev_priv->stolen_base);
-	printk(KERN_INFO "       size: %luK, calculated by (GTT RAM base) - (Stolen base), seems wrong\n",
-		vram_stolen_size/1024);
-	dvmt_mode = (dev_priv->gmch_ctrl >> 4) & 0x7;
-	printk(KERN_INFO "      the correct size should be: %dM(dvmt mode=%d)\n",
-		(dvmt_mode == 1) ? 1 : (2 << (dvmt_mode - 1)), dvmt_mode);
-
-	if (resume && (gtt_pages != pg->gtt_pages) &&
-	    (stolen_size != pg->stolen_size)) {
-		dev_err(dev->dev, "GTT resume error.\n");
-		ret = -EINVAL;
-		goto out_err;
-	}
-
-	pg->gtt_pages = gtt_pages;
-	pg->stolen_size = stolen_size;
-	dev_priv->vram_stolen_size = vram_stolen_size;
-
-	/*
-	 *	Map the GTT and the stolen memory area
-	 */
-	dev_priv->gtt_map = ioremap_nocache(pg->gtt_phys_start,
-						gtt_pages << PAGE_SHIFT);
-	if (!dev_priv->gtt_map) {
-		dev_err(dev->dev, "Failure to map gtt.\n");
-		ret = -ENOMEM;
-		goto out_err;
-	}
-
-	dev_priv->vram_addr = ioremap_wc(dev_priv->stolen_base, stolen_size);
-	if (!dev_priv->vram_addr) {
-		dev_err(dev->dev, "Failure to map stolen base.\n");
-		ret = -ENOMEM;
-		goto out_err;
-	}
-
-	/*
-	 * Insert vram stolen pages into the GTT
-	 */
-
-	pfn_base = dev_priv->stolen_base >> PAGE_SHIFT;
-	vram_pages = num_pages = vram_stolen_size >> PAGE_SHIFT;
-	printk(KERN_INFO"Set up %d stolen pages starting at 0x%08x, GTT offset %dK\n",
-		num_pages, pfn_base << PAGE_SHIFT, 0);
-	for (i = 0; i < num_pages; ++i) {
-		pte = psb_gtt_mask_pte(pfn_base + i, 0);
-		iowrite32(pte, dev_priv->gtt_map + i);
-	}
-
-	/*
-	 * Init rest of GTT to the scratch page to avoid accidents or scribbles
-	 */
-
-	pfn_base = page_to_pfn(dev_priv->scratch_page);
-	pte = psb_gtt_mask_pte(pfn_base, 0);
-	for (; i < gtt_pages; ++i)
-		iowrite32(pte, dev_priv->gtt_map + i);
-
-	(void) ioread32(dev_priv->gtt_map + i - 1);
-	return 0;
-
-out_err:
-	psb_gtt_takedown(dev);
-	return ret;
-}
diff --git a/drivers/staging/gma500/gtt.h b/drivers/staging/gma500/gtt.h
deleted file mode 100644
index aa1742387f5a..000000000000
--- a/drivers/staging/gma500/gtt.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2008, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#ifndef _PSB_GTT_H_
-#define _PSB_GTT_H_
-
-#include <drm/drmP.h>
-
-/* This wants cleaning up with respect to the psb_dev and un-needed stuff */
-struct psb_gtt {
-	uint32_t gatt_start;
-	uint32_t mmu_gatt_start;
-	uint32_t gtt_start;
-	uint32_t gtt_phys_start;
-	unsigned gtt_pages;
-	unsigned gatt_pages;
-	unsigned long stolen_size;
-	unsigned long vram_stolen_size;
-	struct rw_semaphore sem;
-};
-
-/* Exported functions */
-extern int psb_gtt_init(struct drm_device *dev, int resume);
-extern void psb_gtt_takedown(struct drm_device *dev);
-
-/* Each gtt_range describes an allocation in the GTT area */
-struct gtt_range {
-	struct resource resource;	/* Resource for our allocation */
-	u32 offset;			/* GTT offset of our object */
-	struct drm_gem_object gem;	/* GEM high level stuff */
-	int in_gart;			/* Currently in the GART (ref ct) */
-	bool stolen;			/* Backed from stolen RAM */
-	bool mmapping;			/* Is mmappable */
-	struct page **pages;		/* Backing pages if present */
-	int npage;			/* Number of backing pages */
-	int roll;			/* Roll applied to the GTT entries */
-};
-
-extern struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
-						const char *name, int backed);
-extern void psb_gtt_kref_put(struct gtt_range *gt);
-extern void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt);
-extern int psb_gtt_pin(struct gtt_range *gt);
-extern void psb_gtt_unpin(struct gtt_range *gt);
-extern void psb_gtt_roll(struct drm_device *dev,
-					struct gtt_range *gt, int roll);
-
-#endif
diff --git a/drivers/staging/gma500/intel_bios.c b/drivers/staging/gma500/intel_bios.c
deleted file mode 100644
index 096757f9bc89..000000000000
--- a/drivers/staging/gma500/intel_bios.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- * Copyright (c) 2006 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *    Eric Anholt <eric@anholt.net>
- *
- */
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-
-
-static void *find_section(struct bdb_header *bdb, int section_id)
-{
-	u8 *base = (u8 *)bdb;
-	int index = 0;
-	u16 total, current_size;
-	u8 current_id;
-
-	/* skip to first section */
-	index += bdb->header_size;
-	total = bdb->bdb_size;
-
-	/* walk the sections looking for section_id */
-	while (index < total) {
-		current_id = *(base + index);
-		index++;
-		current_size = *((u16 *)(base + index));
-		index += 2;
-		if (current_id == section_id)
-			return base + index;
-		index += current_size;
-	}
-
-	return NULL;
-}
-
-static void fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
-			struct lvds_dvo_timing *dvo_timing)
-{
-	panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
-		dvo_timing->hactive_lo;
-	panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
-		((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
-	panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
-		dvo_timing->hsync_pulse_width;
-	panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
-		((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
-
-	panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
-		dvo_timing->vactive_lo;
-	panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
-		dvo_timing->vsync_off;
-	panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
-		dvo_timing->vsync_pulse_width;
-	panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
-		((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
-	panel_fixed_mode->clock = dvo_timing->clock * 10;
-	panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
-
-	/* Some VBTs have bogus h/vtotal values */
-	if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
-		panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
-	if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
-		panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
-
-	drm_mode_set_name(panel_fixed_mode);
-}
-
-static void parse_backlight_data(struct drm_psb_private *dev_priv,
-				struct bdb_header *bdb)
-{
-	struct bdb_lvds_backlight *vbt_lvds_bl = NULL;
-	struct bdb_lvds_backlight *lvds_bl;
-	u8 p_type = 0;
-	void *bl_start = NULL;
-	struct bdb_lvds_options *lvds_opts
-				= find_section(bdb, BDB_LVDS_OPTIONS);
-
-	dev_priv->lvds_bl = NULL;
-
-	if (lvds_opts)
-		p_type = lvds_opts->panel_type;
-	else
-		return;
-
-	bl_start = find_section(bdb, BDB_LVDS_BACKLIGHT);
-	vbt_lvds_bl = (struct bdb_lvds_backlight *)(bl_start + 1) + p_type;
-
-	lvds_bl = kzalloc(sizeof(*vbt_lvds_bl), GFP_KERNEL);
-	if (!lvds_bl) {
-		dev_err(dev_priv->dev->dev, "out of memory for backlight data\n");
-		return;
-	}
-	memcpy(lvds_bl, vbt_lvds_bl, sizeof(*vbt_lvds_bl));
-	dev_priv->lvds_bl = lvds_bl;
-}
-
-/* Try to find integrated panel data */
-static void parse_lfp_panel_data(struct drm_psb_private *dev_priv,
-			    struct bdb_header *bdb)
-{
-	struct bdb_lvds_options *lvds_options;
-	struct bdb_lvds_lfp_data *lvds_lfp_data;
-	struct bdb_lvds_lfp_data_entry *entry;
-	struct lvds_dvo_timing *dvo_timing;
-	struct drm_display_mode *panel_fixed_mode;
-
-	/* Defaults if we can't find VBT info */
-	dev_priv->lvds_dither = 0;
-	dev_priv->lvds_vbt = 0;
-
-	lvds_options = find_section(bdb, BDB_LVDS_OPTIONS);
-	if (!lvds_options)
-		return;
-
-	dev_priv->lvds_dither = lvds_options->pixel_dither;
-	if (lvds_options->panel_type == 0xff)
-		return;
-
-	lvds_lfp_data = find_section(bdb, BDB_LVDS_LFP_DATA);
-	if (!lvds_lfp_data)
-		return;
-
-
-	entry = &lvds_lfp_data->data[lvds_options->panel_type];
-	dvo_timing = &entry->dvo_timing;
-
-	panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode),
-				      GFP_KERNEL);
-	if (panel_fixed_mode == NULL) {
-		dev_err(dev_priv->dev->dev, "out of memory for fixed panel mode\n");
-		return;
-	}
-
-	dev_priv->lvds_vbt = 1;
-	fill_detail_timing_data(panel_fixed_mode, dvo_timing);
-
-	if (panel_fixed_mode->htotal > 0 && panel_fixed_mode->vtotal > 0) {
-		dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
-		drm_mode_debug_printmodeline(panel_fixed_mode);
-	} else {
-		dev_dbg(dev_priv->dev->dev, "ignoring invalid LVDS VBT\n");
-		dev_priv->lvds_vbt = 0;
-		kfree(panel_fixed_mode);
-	}
-	return;
-}
-
-/* Try to find sdvo panel data */
-static void parse_sdvo_panel_data(struct drm_psb_private *dev_priv,
-		      struct bdb_header *bdb)
-{
-	struct bdb_sdvo_lvds_options *sdvo_lvds_options;
-	struct lvds_dvo_timing *dvo_timing;
-	struct drm_display_mode *panel_fixed_mode;
-
-	dev_priv->sdvo_lvds_vbt_mode = NULL;
-
-	sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
-	if (!sdvo_lvds_options)
-		return;
-
-	dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
-	if (!dvo_timing)
-		return;
-
-	panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL);
-
-	if (!panel_fixed_mode)
-		return;
-
-	fill_detail_timing_data(panel_fixed_mode,
-			dvo_timing + sdvo_lvds_options->panel_type);
-
-	dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
-
-	return;
-}
-
-static void parse_general_features(struct drm_psb_private *dev_priv,
-		       struct bdb_header *bdb)
-{
-	struct bdb_general_features *general;
-
-	/* Set sensible defaults in case we can't find the general block */
-	dev_priv->int_tv_support = 1;
-	dev_priv->int_crt_support = 1;
-
-	general = find_section(bdb, BDB_GENERAL_FEATURES);
-	if (general) {
-		dev_priv->int_tv_support = general->int_tv_support;
-		dev_priv->int_crt_support = general->int_crt_support;
-		dev_priv->lvds_use_ssc = general->enable_ssc;
-
-		if (dev_priv->lvds_use_ssc) {
-			dev_priv->lvds_ssc_freq
-				= general->ssc_freq ? 100 : 96;
-		}
-	}
-}
-
-/**
- * psb_intel_init_bios - initialize VBIOS settings & find VBT
- * @dev: DRM device
- *
- * Loads the Video BIOS and checks that the VBT exists.  Sets scratch registers
- * to appropriate values.
- *
- * VBT existence is a sanity check that is relied on by other i830_bios.c code.
- * Note that it would be better to use a BIOS call to get the VBT, as BIOSes may
- * feed an updated VBT back through that, compared to what we'll fetch using
- * this method of groping around in the BIOS data.
- *
- * Returns 0 on success, nonzero on failure.
- */
-bool psb_intel_init_bios(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct pci_dev *pdev = dev->pdev;
-	struct vbt_header *vbt = NULL;
-	struct bdb_header *bdb;
-	u8 __iomem *bios;
-	size_t size;
-	int i;
-
-	bios = pci_map_rom(pdev, &size);
-	if (!bios)
-		return -1;
-
-	/* Scour memory looking for the VBT signature */
-	for (i = 0; i + 4 < size; i++) {
-		if (!memcmp(bios + i, "$VBT", 4)) {
-			vbt = (struct vbt_header *)(bios + i);
-			break;
-		}
-	}
-
-	if (!vbt) {
-		dev_err(dev->dev, "VBT signature missing\n");
-		pci_unmap_rom(pdev, bios);
-		return -1;
-	}
-
-	bdb = (struct bdb_header *)(bios + i + vbt->bdb_offset);
-
-	/* Grab useful general definitions */
-	parse_general_features(dev_priv, bdb);
-	parse_lfp_panel_data(dev_priv, bdb);
-	parse_sdvo_panel_data(dev_priv, bdb);
-	parse_backlight_data(dev_priv, bdb);
-
-	pci_unmap_rom(pdev, bios);
-
-	return 0;
-}
-
-/**
- * Destroy and free VBT data
- */
-void psb_intel_destroy_bios(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_display_mode *sdvo_lvds_vbt_mode =
-				dev_priv->sdvo_lvds_vbt_mode;
-	struct drm_display_mode *lfp_lvds_vbt_mode =
-				dev_priv->lfp_lvds_vbt_mode;
-	struct bdb_lvds_backlight *lvds_bl =
-				dev_priv->lvds_bl;
-
-	/*free sdvo panel mode*/
-	if (sdvo_lvds_vbt_mode) {
-		dev_priv->sdvo_lvds_vbt_mode = NULL;
-		kfree(sdvo_lvds_vbt_mode);
-	}
-
-	if (lfp_lvds_vbt_mode) {
-		dev_priv->lfp_lvds_vbt_mode = NULL;
-		kfree(lfp_lvds_vbt_mode);
-	}
-
-	if (lvds_bl) {
-		dev_priv->lvds_bl = NULL;
-		kfree(lvds_bl);
-	}
-}
diff --git a/drivers/staging/gma500/intel_bios.h b/drivers/staging/gma500/intel_bios.h
deleted file mode 100644
index 70f1bf018183..000000000000
--- a/drivers/staging/gma500/intel_bios.h
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
- * Copyright (c) 2006 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *    Eric Anholt <eric@anholt.net>
- *
- */
-
-#ifndef _I830_BIOS_H_
-#define _I830_BIOS_H_
-
-#include <drm/drmP.h>
-
-struct vbt_header {
-	u8 signature[20];		/**< Always starts with 'VBT$' */
-	u16 version;			/**< decimal */
-	u16 header_size;		/**< in bytes */
-	u16 vbt_size;			/**< in bytes */
-	u8 vbt_checksum;
-	u8 reserved0;
-	u32 bdb_offset;			/**< from beginning of VBT */
-	u32 aim_offset[4];		/**< from beginning of VBT */
-} __attribute__((packed));
-
-
-struct bdb_header {
-	u8 signature[16];		/**< Always 'BIOS_DATA_BLOCK' */
-	u16 version;			/**< decimal */
-	u16 header_size;		/**< in bytes */
-	u16 bdb_size;			/**< in bytes */
-};
-
-/* strictly speaking, this is a "skip" block, but it has interesting info */
-struct vbios_data {
-	u8 type; /* 0 == desktop, 1 == mobile */
-	u8 relstage;
-	u8 chipset;
-	u8 lvds_present:1;
-	u8 tv_present:1;
-	u8 rsvd2:6; /* finish byte */
-	u8 rsvd3[4];
-	u8 signon[155];
-	u8 copyright[61];
-	u16 code_segment;
-	u8 dos_boot_mode;
-	u8 bandwidth_percent;
-	u8 rsvd4; /* popup memory size */
-	u8 resize_pci_bios;
-	u8 rsvd5; /* is crt already on ddc2 */
-} __attribute__((packed));
-
-/*
- * There are several types of BIOS data blocks (BDBs), each block has
- * an ID and size in the first 3 bytes (ID in first, size in next 2).
- * Known types are listed below.
- */
-#define BDB_GENERAL_FEATURES	  1
-#define BDB_GENERAL_DEFINITIONS	  2
-#define BDB_OLD_TOGGLE_LIST	  3
-#define BDB_MODE_SUPPORT_LIST	  4
-#define BDB_GENERIC_MODE_TABLE	  5
-#define BDB_EXT_MMIO_REGS	  6
-#define BDB_SWF_IO		  7
-#define BDB_SWF_MMIO		  8
-#define BDB_DOT_CLOCK_TABLE	  9
-#define BDB_MODE_REMOVAL_TABLE	 10
-#define BDB_CHILD_DEVICE_TABLE	 11
-#define BDB_DRIVER_FEATURES	 12
-#define BDB_DRIVER_PERSISTENCE	 13
-#define BDB_EXT_TABLE_PTRS	 14
-#define BDB_DOT_CLOCK_OVERRIDE	 15
-#define BDB_DISPLAY_SELECT	 16
-/* 17 rsvd */
-#define BDB_DRIVER_ROTATION	 18
-#define BDB_DISPLAY_REMOVE	 19
-#define BDB_OEM_CUSTOM		 20
-#define BDB_EFP_LIST		 21 /* workarounds for VGA hsync/vsync */
-#define BDB_SDVO_LVDS_OPTIONS	 22
-#define BDB_SDVO_PANEL_DTDS	 23
-#define BDB_SDVO_LVDS_PNP_IDS	 24
-#define BDB_SDVO_LVDS_POWER_SEQ	 25
-#define BDB_TV_OPTIONS		 26
-#define BDB_LVDS_OPTIONS	 40
-#define BDB_LVDS_LFP_DATA_PTRS	 41
-#define BDB_LVDS_LFP_DATA	 42
-#define BDB_LVDS_BACKLIGHT	 43
-#define BDB_LVDS_POWER		 44
-#define BDB_SKIP		254 /* VBIOS private block, ignore */
-
-struct bdb_general_features {
-	/* bits 1 */
-	u8 panel_fitting:2;
-	u8 flexaim:1;
-	u8 msg_enable:1;
-	u8 clear_screen:3;
-	u8 color_flip:1;
-
-	/* bits 2 */
-	u8 download_ext_vbt:1;
-	u8 enable_ssc:1;
-	u8 ssc_freq:1;
-	u8 enable_lfp_on_override:1;
-	u8 disable_ssc_ddt:1;
-	u8 rsvd8:3; /* finish byte */
-
-	/* bits 3 */
-	u8 disable_smooth_vision:1;
-	u8 single_dvi:1;
-	u8 rsvd9:6; /* finish byte */
-
-	/* bits 4 */
-	u8 legacy_monitor_detect;
-
-	/* bits 5 */
-	u8 int_crt_support:1;
-	u8 int_tv_support:1;
-	u8 rsvd11:6; /* finish byte */
-} __attribute__((packed));
-
-struct bdb_general_definitions {
-	/* DDC GPIO */
-	u8 crt_ddc_gmbus_pin;
-
-	/* DPMS bits */
-	u8 dpms_acpi:1;
-	u8 skip_boot_crt_detect:1;
-	u8 dpms_aim:1;
-	u8 rsvd1:5; /* finish byte */
-
-	/* boot device bits */
-	u8 boot_display[2];
-	u8 child_dev_size;
-
-	/* device info */
-	u8 tv_or_lvds_info[33];
-	u8 dev1[33];
-	u8 dev2[33];
-	u8 dev3[33];
-	u8 dev4[33];
-	/* may be another device block here on some platforms */
-};
-
-struct bdb_lvds_options {
-	u8 panel_type;
-	u8 rsvd1;
-	/* LVDS capabilities, stored in a dword */
-	u8 pfit_mode:2;
-	u8 pfit_text_mode_enhanced:1;
-	u8 pfit_gfx_mode_enhanced:1;
-	u8 pfit_ratio_auto:1;
-	u8 pixel_dither:1;
-	u8 lvds_edid:1;
-	u8 rsvd2:1;
-	u8 rsvd4;
-} __attribute__((packed));
-
-struct bdb_lvds_backlight {
-	u8 type:2;
-	u8 pol:1;
-	u8 gpio:3;
-	u8 gmbus:2;
-	u16 freq;
-	u8 minbrightness;
-	u8 i2caddr;
-	u8 brightnesscmd;
-	/*FIXME: more...*/
-} __attribute__((packed));
-
-/* LFP pointer table contains entries to the struct below */
-struct bdb_lvds_lfp_data_ptr {
-	u16 fp_timing_offset; /* offsets are from start of bdb */
-	u8 fp_table_size;
-	u16 dvo_timing_offset;
-	u8 dvo_table_size;
-	u16 panel_pnp_id_offset;
-	u8 pnp_table_size;
-} __attribute__((packed));
-
-struct bdb_lvds_lfp_data_ptrs {
-	u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
-	struct bdb_lvds_lfp_data_ptr ptr[16];
-} __attribute__((packed));
-
-/* LFP data has 3 blocks per entry */
-struct lvds_fp_timing {
-	u16 x_res;
-	u16 y_res;
-	u32 lvds_reg;
-	u32 lvds_reg_val;
-	u32 pp_on_reg;
-	u32 pp_on_reg_val;
-	u32 pp_off_reg;
-	u32 pp_off_reg_val;
-	u32 pp_cycle_reg;
-	u32 pp_cycle_reg_val;
-	u32 pfit_reg;
-	u32 pfit_reg_val;
-	u16 terminator;
-} __attribute__((packed));
-
-struct lvds_dvo_timing {
-	u16 clock;		/**< In 10khz */
-	u8 hactive_lo;
-	u8 hblank_lo;
-	u8 hblank_hi:4;
-	u8 hactive_hi:4;
-	u8 vactive_lo;
-	u8 vblank_lo;
-	u8 vblank_hi:4;
-	u8 vactive_hi:4;
-	u8 hsync_off_lo;
-	u8 hsync_pulse_width;
-	u8 vsync_pulse_width:4;
-	u8 vsync_off:4;
-	u8 rsvd0:6;
-	u8 hsync_off_hi:2;
-	u8 h_image;
-	u8 v_image;
-	u8 max_hv;
-	u8 h_border;
-	u8 v_border;
-	u8 rsvd1:3;
-	u8 digital:2;
-	u8 vsync_positive:1;
-	u8 hsync_positive:1;
-	u8 rsvd2:1;
-} __attribute__((packed));
-
-struct lvds_pnp_id {
-	u16 mfg_name;
-	u16 product_code;
-	u32 serial;
-	u8 mfg_week;
-	u8 mfg_year;
-} __attribute__((packed));
-
-struct bdb_lvds_lfp_data_entry {
-	struct lvds_fp_timing fp_timing;
-	struct lvds_dvo_timing dvo_timing;
-	struct lvds_pnp_id pnp_id;
-} __attribute__((packed));
-
-struct bdb_lvds_lfp_data {
-	struct bdb_lvds_lfp_data_entry data[16];
-} __attribute__((packed));
-
-struct aimdb_header {
-	char signature[16];
-	char oem_device[20];
-	u16 aimdb_version;
-	u16 aimdb_header_size;
-	u16 aimdb_size;
-} __attribute__((packed));
-
-struct aimdb_block {
-	u8 aimdb_id;
-	u16 aimdb_size;
-} __attribute__((packed));
-
-struct vch_panel_data {
-	u16 fp_timing_offset;
-	u8 fp_timing_size;
-	u16 dvo_timing_offset;
-	u8 dvo_timing_size;
-	u16 text_fitting_offset;
-	u8 text_fitting_size;
-	u16 graphics_fitting_offset;
-	u8 graphics_fitting_size;
-} __attribute__((packed));
-
-struct vch_bdb_22 {
-	struct aimdb_block aimdb_block;
-	struct vch_panel_data panels[16];
-} __attribute__((packed));
-
-struct bdb_sdvo_lvds_options {
-	u8 panel_backlight;
-	u8 h40_set_panel_type;
-	u8 panel_type;
-	u8 ssc_clk_freq;
-	u16 als_low_trip;
-	u16 als_high_trip;
-	u8 sclalarcoeff_tab_row_num;
-	u8 sclalarcoeff_tab_row_size;
-	u8 coefficient[8];
-	u8 panel_misc_bits_1;
-	u8 panel_misc_bits_2;
-	u8 panel_misc_bits_3;
-	u8 panel_misc_bits_4;
-} __attribute__((packed));
-
-
-extern bool psb_intel_init_bios(struct drm_device *dev);
-extern void psb_intel_destroy_bios(struct drm_device *dev);
-
-/*
- * Driver<->VBIOS interaction occurs through scratch bits in
- * GR18 & SWF*.
- */
-
-/* GR18 bits are set on display switch and hotkey events */
-#define GR18_DRIVER_SWITCH_EN	(1<<7) /* 0: VBIOS control, 1: driver control */
-#define GR18_HOTKEY_MASK	0x78 /* See also SWF4 15:0 */
-#define   GR18_HK_NONE		(0x0<<3)
-#define   GR18_HK_LFP_STRETCH	(0x1<<3)
-#define   GR18_HK_TOGGLE_DISP	(0x2<<3)
-#define   GR18_HK_DISP_SWITCH	(0x4<<3) /* see SWF14 15:0 for what to enable */
-#define   GR18_HK_POPUP_DISABLED (0x6<<3)
-#define   GR18_HK_POPUP_ENABLED	(0x7<<3)
-#define   GR18_HK_PFIT		(0x8<<3)
-#define   GR18_HK_APM_CHANGE	(0xa<<3)
-#define   GR18_HK_MULTIPLE	(0xc<<3)
-#define GR18_USER_INT_EN	(1<<2)
-#define GR18_A0000_FLUSH_EN	(1<<1)
-#define GR18_SMM_EN		(1<<0)
-
-/* Set by driver, cleared by VBIOS */
-#define SWF00_YRES_SHIFT	16
-#define SWF00_XRES_SHIFT	0
-#define SWF00_RES_MASK		0xffff
-
-/* Set by VBIOS at boot time and driver at runtime */
-#define SWF01_TV2_FORMAT_SHIFT	8
-#define SWF01_TV1_FORMAT_SHIFT	0
-#define SWF01_TV_FORMAT_MASK	0xffff
-
-#define SWF10_VBIOS_BLC_I2C_EN	(1<<29)
-#define SWF10_GTT_OVERRIDE_EN	(1<<28)
-#define SWF10_LFP_DPMS_OVR	(1<<27) /* override DPMS on display switch */
-#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
-#define   SWF10_OLD_TOGGLE	0x0
-#define   SWF10_TOGGLE_LIST_1	0x1
-#define   SWF10_TOGGLE_LIST_2	0x2
-#define   SWF10_TOGGLE_LIST_3	0x3
-#define   SWF10_TOGGLE_LIST_4	0x4
-#define SWF10_PANNING_EN	(1<<23)
-#define SWF10_DRIVER_LOADED	(1<<22)
-#define SWF10_EXTENDED_DESKTOP	(1<<21)
-#define SWF10_EXCLUSIVE_MODE	(1<<20)
-#define SWF10_OVERLAY_EN	(1<<19)
-#define SWF10_PLANEB_HOLDOFF	(1<<18)
-#define SWF10_PLANEA_HOLDOFF	(1<<17)
-#define SWF10_VGA_HOLDOFF	(1<<16)
-#define SWF10_ACTIVE_DISP_MASK	0xffff
-#define   SWF10_PIPEB_LFP2	(1<<15)
-#define   SWF10_PIPEB_EFP2	(1<<14)
-#define   SWF10_PIPEB_TV2	(1<<13)
-#define   SWF10_PIPEB_CRT2	(1<<12)
-#define   SWF10_PIPEB_LFP	(1<<11)
-#define   SWF10_PIPEB_EFP	(1<<10)
-#define   SWF10_PIPEB_TV	(1<<9)
-#define   SWF10_PIPEB_CRT	(1<<8)
-#define   SWF10_PIPEA_LFP2	(1<<7)
-#define   SWF10_PIPEA_EFP2	(1<<6)
-#define   SWF10_PIPEA_TV2	(1<<5)
-#define   SWF10_PIPEA_CRT2	(1<<4)
-#define   SWF10_PIPEA_LFP	(1<<3)
-#define   SWF10_PIPEA_EFP	(1<<2)
-#define   SWF10_PIPEA_TV	(1<<1)
-#define   SWF10_PIPEA_CRT	(1<<0)
-
-#define SWF11_MEMORY_SIZE_SHIFT	16
-#define SWF11_SV_TEST_EN	(1<<15)
-#define SWF11_IS_AGP		(1<<14)
-#define SWF11_DISPLAY_HOLDOFF	(1<<13)
-#define SWF11_DPMS_REDUCED	(1<<12)
-#define SWF11_IS_VBE_MODE	(1<<11)
-#define SWF11_PIPEB_ACCESS	(1<<10) /* 0 here means pipe a */
-#define SWF11_DPMS_MASK		0x07
-#define   SWF11_DPMS_OFF	(1<<2)
-#define   SWF11_DPMS_SUSPEND	(1<<1)
-#define   SWF11_DPMS_STANDBY	(1<<0)
-#define   SWF11_DPMS_ON		0
-
-#define SWF14_GFX_PFIT_EN	(1<<31)
-#define SWF14_TEXT_PFIT_EN	(1<<30)
-#define SWF14_LID_STATUS_CLOSED	(1<<29) /* 0 here means open */
-#define SWF14_POPUP_EN		(1<<28)
-#define SWF14_DISPLAY_HOLDOFF	(1<<27)
-#define SWF14_DISP_DETECT_EN	(1<<26)
-#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
-#define SWF14_DRIVER_STATUS	(1<<24)
-#define SWF14_OS_TYPE_WIN9X	(1<<23)
-#define SWF14_OS_TYPE_WINNT	(1<<22)
-/* 21:19 rsvd */
-#define SWF14_PM_TYPE_MASK	0x00070000
-#define   SWF14_PM_ACPI_VIDEO	(0x4 << 16)
-#define   SWF14_PM_ACPI		(0x3 << 16)
-#define   SWF14_PM_APM_12	(0x2 << 16)
-#define   SWF14_PM_APM_11	(0x1 << 16)
-#define SWF14_HK_REQUEST_MASK	0x0000ffff /* see GR18 6:3 for event type */
-	  /* if GR18 indicates a display switch */
-#define   SWF14_DS_PIPEB_LFP2_EN (1<<15)
-#define   SWF14_DS_PIPEB_EFP2_EN (1<<14)
-#define   SWF14_DS_PIPEB_TV2_EN  (1<<13)
-#define   SWF14_DS_PIPEB_CRT2_EN (1<<12)
-#define   SWF14_DS_PIPEB_LFP_EN  (1<<11)
-#define   SWF14_DS_PIPEB_EFP_EN  (1<<10)
-#define   SWF14_DS_PIPEB_TV_EN	 (1<<9)
-#define   SWF14_DS_PIPEB_CRT_EN  (1<<8)
-#define   SWF14_DS_PIPEA_LFP2_EN (1<<7)
-#define   SWF14_DS_PIPEA_EFP2_EN (1<<6)
-#define   SWF14_DS_PIPEA_TV2_EN  (1<<5)
-#define   SWF14_DS_PIPEA_CRT2_EN (1<<4)
-#define   SWF14_DS_PIPEA_LFP_EN  (1<<3)
-#define   SWF14_DS_PIPEA_EFP_EN  (1<<2)
-#define   SWF14_DS_PIPEA_TV_EN	 (1<<1)
-#define   SWF14_DS_PIPEA_CRT_EN  (1<<0)
-	  /* if GR18 indicates a panel fitting request */
-#define   SWF14_PFIT_EN		(1<<0) /* 0 means disable */
-	  /* if GR18 indicates an APM change request */
-#define   SWF14_APM_HIBERNATE	0x4
-#define   SWF14_APM_SUSPEND	0x3
-#define   SWF14_APM_STANDBY	0x1
-#define   SWF14_APM_RESTORE	0x0
-
-#endif /* _I830_BIOS_H_ */
diff --git a/drivers/staging/gma500/intel_i2c.c b/drivers/staging/gma500/intel_i2c.c
deleted file mode 100644
index 51cbf65268e6..000000000000
--- a/drivers/staging/gma500/intel_i2c.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright © 2006-2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <linux/export.h>
-
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-
-/*
- * Intel GPIO access functions
- */
-
-#define I2C_RISEFALL_TIME 20
-
-static int get_clock(void *data)
-{
-	struct psb_intel_i2c_chan *chan = data;
-	struct drm_device *dev = chan->drm_dev;
-	u32 val;
-
-	val = REG_READ(chan->reg);
-	return (val & GPIO_CLOCK_VAL_IN) != 0;
-}
-
-static int get_data(void *data)
-{
-	struct psb_intel_i2c_chan *chan = data;
-	struct drm_device *dev = chan->drm_dev;
-	u32 val;
-
-	val = REG_READ(chan->reg);
-	return (val & GPIO_DATA_VAL_IN) != 0;
-}
-
-static void set_clock(void *data, int state_high)
-{
-	struct psb_intel_i2c_chan *chan = data;
-	struct drm_device *dev = chan->drm_dev;
-	u32 reserved = 0, clock_bits;
-
-	/* On most chips, these bits must be preserved in software. */
-	reserved =
-		    REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |
-					   GPIO_CLOCK_PULLUP_DISABLE);
-
-	if (state_high)
-		clock_bits = GPIO_CLOCK_DIR_IN | GPIO_CLOCK_DIR_MASK;
-	else
-		clock_bits = GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_DIR_MASK |
-		    GPIO_CLOCK_VAL_MASK;
-	REG_WRITE(chan->reg, reserved | clock_bits);
-	udelay(I2C_RISEFALL_TIME);	/* wait for the line to change state */
-}
-
-static void set_data(void *data, int state_high)
-{
-	struct psb_intel_i2c_chan *chan = data;
-	struct drm_device *dev = chan->drm_dev;
-	u32 reserved = 0, data_bits;
-
-	/* On most chips, these bits must be preserved in software. */
-	reserved =
-		    REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |
-					   GPIO_CLOCK_PULLUP_DISABLE);
-
-	if (state_high)
-		data_bits = GPIO_DATA_DIR_IN | GPIO_DATA_DIR_MASK;
-	else
-		data_bits =
-		    GPIO_DATA_DIR_OUT | GPIO_DATA_DIR_MASK |
-		    GPIO_DATA_VAL_MASK;
-
-	REG_WRITE(chan->reg, reserved | data_bits);
-	udelay(I2C_RISEFALL_TIME);	/* wait for the line to change state */
-}
-
-/**
- * psb_intel_i2c_create - instantiate an Intel i2c bus using the specified GPIO reg
- * @dev: DRM device
- * @output: driver specific output device
- * @reg: GPIO reg to use
- * @name: name for this bus
- *
- * Creates and registers a new i2c bus with the Linux i2c layer, for use
- * in output probing and control (e.g. DDC or SDVO control functions).
- *
- * Possible values for @reg include:
- *   %GPIOA
- *   %GPIOB
- *   %GPIOC
- *   %GPIOD
- *   %GPIOE
- *   %GPIOF
- *   %GPIOG
- *   %GPIOH
- * see PRM for details on how these different busses are used.
- */
-struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
-					const u32 reg, const char *name)
-{
-	struct psb_intel_i2c_chan *chan;
-
-	chan = kzalloc(sizeof(struct psb_intel_i2c_chan), GFP_KERNEL);
-	if (!chan)
-		goto out_free;
-
-	chan->drm_dev = dev;
-	chan->reg = reg;
-	snprintf(chan->adapter.name, I2C_NAME_SIZE, "intel drm %s", name);
-	chan->adapter.owner = THIS_MODULE;
-	chan->adapter.algo_data = &chan->algo;
-	chan->adapter.dev.parent = &dev->pdev->dev;
-	chan->algo.setsda = set_data;
-	chan->algo.setscl = set_clock;
-	chan->algo.getsda = get_data;
-	chan->algo.getscl = get_clock;
-	chan->algo.udelay = 20;
-	chan->algo.timeout = usecs_to_jiffies(2200);
-	chan->algo.data = chan;
-
-	i2c_set_adapdata(&chan->adapter, chan);
-
-	if (i2c_bit_add_bus(&chan->adapter))
-		goto out_free;
-
-	/* JJJ:  raise SCL and SDA? */
-	set_data(chan, 1);
-	set_clock(chan, 1);
-	udelay(20);
-
-	return chan;
-
-out_free:
-	kfree(chan);
-	return NULL;
-}
-
-/**
- * psb_intel_i2c_destroy - unregister and free i2c bus resources
- * @output: channel to free
- *
- * Unregister the adapter from the i2c layer, then free the structure.
- */
-void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan)
-{
-	if (!chan)
-		return;
-
-	i2c_del_adapter(&chan->adapter);
-	kfree(chan);
-}
diff --git a/drivers/staging/gma500/intel_opregion.c b/drivers/staging/gma500/intel_opregion.c
deleted file mode 100644
index d946bc1b17bf..000000000000
--- a/drivers/staging/gma500/intel_opregion.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * FIXME: resolve with the i915 version
- */
-
-#include "psb_drv.h"
-
-struct opregion_header {
-	u8 signature[16];
-	u32 size;
-	u32 opregion_ver;
-	u8 bios_ver[32];
-	u8 vbios_ver[16];
-	u8 driver_ver[16];
-	u32 mboxes;
-	u8 reserved[164];
-} __packed;
-
-struct opregion_apci {
-	/*FIXME: add it later*/
-} __packed;
-
-struct opregion_swsci {
-	/*FIXME: add it later*/
-} __packed;
-
-struct opregion_acpi {
-	/*FIXME: add it later*/
-} __packed;
-
-int gma_intel_opregion_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 opregion_phy;
-	void *base;
-	u32 *lid_state;
-
-	dev_priv->lid_state = NULL;
-
-	pci_read_config_dword(dev->pdev, 0xfc, &opregion_phy);
-	if (opregion_phy == 0)
-		return -ENOTSUPP;
-
-	base = ioremap(opregion_phy, 8*1024);
-	if (!base)
-		return -ENOMEM;
-
-	lid_state = base + 0x01ac;
-
-	dev_priv->lid_state = lid_state;
-	dev_priv->lid_last_state = readl(lid_state);
-	return 0;
-}
-
-int gma_intel_opregion_exit(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	if (dev_priv->lid_state)
-		iounmap(dev_priv->lid_state);
-	return 0;
-}
diff --git a/drivers/staging/gma500/mdfld_device.c b/drivers/staging/gma500/mdfld_device.c
deleted file mode 100644
index f47aeb7a2039..000000000000
--- a/drivers/staging/gma500/mdfld_device.c
+++ /dev/null
@@ -1,714 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_output.h"
-#include "mid_bios.h"
-
-/*
- *	Provide the Medfield specific backlight management
- */
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-static int mdfld_brightness;
-struct backlight_device *mdfld_backlight_device;
-
-static int mfld_set_brightness(struct backlight_device *bd)
-{
-	struct drm_device *dev = bl_get_data(mdfld_backlight_device);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int level = bd->props.brightness;
-
-	/* Percentage 1-100% being valid */
-	if (level < 1)
-		level = 1;
-
-	if (gma_power_begin(dev, 0)) {
-		/* Calculate and set the brightness value */
-		u32 adjusted_level;
-
-		/* Adjust the backlight level with the percent in
-		 * dev_priv->blc_adj2;
-		 */
-		adjusted_level = level * dev_priv->blc_adj2;
-		adjusted_level = adjusted_level / 100;
-#if 0
-#ifndef CONFIG_MDFLD_DSI_DPU
-		if(!(dev_priv->dsr_fb_update & MDFLD_DSR_MIPI_CONTROL) && 
-			(dev_priv->dbi_panel_on || dev_priv->dbi_panel_on2)){
-			mdfld_dsi_dbi_exit_dsr(dev,MDFLD_DSR_MIPI_CONTROL, 0, 0);
-			dev_dbg(dev->dev, "Out of DSR before set brightness to %d.\n",adjusted_level);
-		}
-#endif
-		mdfld_dsi_brightness_control(dev, 0, adjusted_level);
-
-		if ((dev_priv->dbi_panel_on2) || (dev_priv->dpi_panel_on2))
-			mdfld_dsi_brightness_control(dev, 2, adjusted_level);
-#endif
-		gma_power_end(dev);
-	}
-	mdfld_brightness = level;
-	return 0;
-}
-
-int psb_get_brightness(struct backlight_device *bd)
-{
-	/* return locally cached var instead of HW read (due to DPST etc.) */
-	/* FIXME: ideally return actual value in case firmware fiddled with
-	   it */
-	return mdfld_brightness;
-}
-
-static const struct backlight_ops mfld_ops = {
-	.get_brightness = psb_get_brightness,
-	.update_status  = mfld_set_brightness,
-};
-
-static int mdfld_backlight_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct backlight_properties props;
-	memset(&props, 0, sizeof(struct backlight_properties));
-	props.max_brightness = 100;
-	props.type = BACKLIGHT_PLATFORM;
-
-	mdfld_backlight_device = backlight_device_register("mfld-bl",
-					NULL, (void *)dev, &mfld_ops, &props);
-					
-	if (IS_ERR(mdfld_backlight_device))
-		return PTR_ERR(mdfld_backlight_device);
-
-	dev_priv->blc_adj1 = 100;
-	dev_priv->blc_adj2 = 100;
-	mdfld_backlight_device->props.brightness = 100;
-	mdfld_backlight_device->props.max_brightness = 100;
-	backlight_update_status(mdfld_backlight_device);
-	dev_priv->backlight_device = mdfld_backlight_device;
-	return 0;
-}
-
-#endif
-
-/*
- *	Provide the Medfield specific chip logic and low level methods for
- *	power management.
- */
-
-static void mdfld_init_pm(struct drm_device *dev)
-{
-	/* No work needed here yet */
-}
-
-/**
- * mdfld_save_display_registers	-	save registers for pipe
- * @dev: our device
- * @pipe: pipe to save
- *
- * Save the pipe state of the device before we power it off. Keep everything
- * we need to put it back again
- */
-static int mdfld_save_display_registers(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int i;
-
-	/* register */
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 fp_reg = MRST_FPA0;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 htot_reg = HTOTAL_A;
-	u32 hblank_reg = HBLANK_A;
-	u32 hsync_reg = HSYNC_A;
-	u32 vtot_reg = VTOTAL_A;
-	u32 vblank_reg = VBLANK_A;
-	u32 vsync_reg = VSYNC_A;
-	u32 pipesrc_reg = PIPEASRC;
-	u32 dspstride_reg = DSPASTRIDE;
-	u32 dsplinoff_reg = DSPALINOFF;
-	u32 dsptileoff_reg = DSPATILEOFF;
-	u32 dspsize_reg = DSPASIZE;
-	u32 dsppos_reg = DSPAPOS;
-	u32 dspsurf_reg = DSPASURF;
-	u32 mipi_reg = MIPI;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 dspstatus_reg = PIPEASTAT;
-	u32 palette_reg = PALETTE_A;
-
-	/* pointer to values */
-	u32 *dpll_val = &dev_priv->saveDPLL_A;
-	u32 *fp_val = &dev_priv->saveFPA0;
-	u32 *pipeconf_val = &dev_priv->savePIPEACONF;
-	u32 *htot_val = &dev_priv->saveHTOTAL_A;
-	u32 *hblank_val = &dev_priv->saveHBLANK_A;
-	u32 *hsync_val = &dev_priv->saveHSYNC_A;
-	u32 *vtot_val = &dev_priv->saveVTOTAL_A;
-	u32 *vblank_val = &dev_priv->saveVBLANK_A;
-	u32 *vsync_val = &dev_priv->saveVSYNC_A;
-	u32 *pipesrc_val = &dev_priv->savePIPEASRC;
-	u32 *dspstride_val = &dev_priv->saveDSPASTRIDE;
-	u32 *dsplinoff_val = &dev_priv->saveDSPALINOFF;
-	u32 *dsptileoff_val = &dev_priv->saveDSPATILEOFF;
-	u32 *dspsize_val = &dev_priv->saveDSPASIZE;
-	u32 *dsppos_val = &dev_priv->saveDSPAPOS;
-	u32 *dspsurf_val = &dev_priv->saveDSPASURF;
-	u32 *mipi_val = &dev_priv->saveMIPI;
-	u32 *dspcntr_val = &dev_priv->saveDSPACNTR;
-	u32 *dspstatus_val = &dev_priv->saveDSPASTATUS;
-	u32 *palette_val = dev_priv->save_palette_a;
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		/* register */
-		dpll_reg = MDFLD_DPLL_B;
-		fp_reg = MDFLD_DPLL_DIV0;
-		pipeconf_reg = PIPEBCONF;
-		htot_reg = HTOTAL_B;
-		hblank_reg = HBLANK_B;
-		hsync_reg = HSYNC_B;
-		vtot_reg = VTOTAL_B;
-		vblank_reg = VBLANK_B;
-		vsync_reg = VSYNC_B;
-		pipesrc_reg = PIPEBSRC;
-		dspstride_reg = DSPBSTRIDE;
-		dsplinoff_reg = DSPBLINOFF;
-		dsptileoff_reg = DSPBTILEOFF;
-		dspsize_reg = DSPBSIZE;
-		dsppos_reg = DSPBPOS;
-		dspsurf_reg = DSPBSURF;
-		dspcntr_reg = DSPBCNTR;
-		dspstatus_reg = PIPEBSTAT;
-		palette_reg = PALETTE_B;
-
-		/* values */
-		dpll_val = &dev_priv->saveDPLL_B;
-		fp_val = &dev_priv->saveFPB0;
-		pipeconf_val = &dev_priv->savePIPEBCONF;
-		htot_val = &dev_priv->saveHTOTAL_B;
-		hblank_val = &dev_priv->saveHBLANK_B;
-		hsync_val = &dev_priv->saveHSYNC_B;
-		vtot_val = &dev_priv->saveVTOTAL_B;
-		vblank_val = &dev_priv->saveVBLANK_B;
-		vsync_val = &dev_priv->saveVSYNC_B;
-		pipesrc_val = &dev_priv->savePIPEBSRC;
-		dspstride_val = &dev_priv->saveDSPBSTRIDE;
-		dsplinoff_val = &dev_priv->saveDSPBLINOFF;
-		dsptileoff_val = &dev_priv->saveDSPBTILEOFF;
-		dspsize_val = &dev_priv->saveDSPBSIZE;
-		dsppos_val = &dev_priv->saveDSPBPOS;
-		dspsurf_val = &dev_priv->saveDSPBSURF;
-		dspcntr_val = &dev_priv->saveDSPBCNTR;
-		dspstatus_val = &dev_priv->saveDSPBSTATUS;
-		palette_val = dev_priv->save_palette_b;
-		break;
-	case 2:
-		/* register */
-		pipeconf_reg = PIPECCONF;
-		htot_reg = HTOTAL_C;
-		hblank_reg = HBLANK_C;
-		hsync_reg = HSYNC_C;
-		vtot_reg = VTOTAL_C;
-		vblank_reg = VBLANK_C;
-		vsync_reg = VSYNC_C;
-		pipesrc_reg = PIPECSRC;
-		dspstride_reg = DSPCSTRIDE;
-		dsplinoff_reg = DSPCLINOFF;
-		dsptileoff_reg = DSPCTILEOFF;
-		dspsize_reg = DSPCSIZE;
-		dsppos_reg = DSPCPOS;
-		dspsurf_reg = DSPCSURF;
-		mipi_reg = MIPI_C;
-		dspcntr_reg = DSPCCNTR;
-		dspstatus_reg = PIPECSTAT;
-		palette_reg = PALETTE_C;
-
-		/* pointer to values */
-		pipeconf_val = &dev_priv->savePIPECCONF;
-		htot_val = &dev_priv->saveHTOTAL_C;
-		hblank_val = &dev_priv->saveHBLANK_C;
-		hsync_val = &dev_priv->saveHSYNC_C;
-		vtot_val = &dev_priv->saveVTOTAL_C;
-		vblank_val = &dev_priv->saveVBLANK_C;
-		vsync_val = &dev_priv->saveVSYNC_C;
-		pipesrc_val = &dev_priv->savePIPECSRC;
-		dspstride_val = &dev_priv->saveDSPCSTRIDE;
-		dsplinoff_val = &dev_priv->saveDSPCLINOFF;
-		dsptileoff_val = &dev_priv->saveDSPCTILEOFF;
-		dspsize_val = &dev_priv->saveDSPCSIZE;
-		dsppos_val = &dev_priv->saveDSPCPOS;
-		dspsurf_val = &dev_priv->saveDSPCSURF;
-		mipi_val = &dev_priv->saveMIPI_C;
-		dspcntr_val = &dev_priv->saveDSPCCNTR;
-		dspstatus_val = &dev_priv->saveDSPCSTATUS;
-		palette_val = dev_priv->save_palette_c;
-		break;
-	default:
-		DRM_ERROR("%s, invalid pipe number.\n", __func__);
-		return -EINVAL;
-	}
-
-	/* Pipe & plane A info */
-	*dpll_val = PSB_RVDC32(dpll_reg);
-	*fp_val = PSB_RVDC32(fp_reg);
-	*pipeconf_val = PSB_RVDC32(pipeconf_reg);
-	*htot_val = PSB_RVDC32(htot_reg);
-	*hblank_val = PSB_RVDC32(hblank_reg);
-	*hsync_val = PSB_RVDC32(hsync_reg);
-	*vtot_val = PSB_RVDC32(vtot_reg);
-	*vblank_val = PSB_RVDC32(vblank_reg);
-	*vsync_val = PSB_RVDC32(vsync_reg);
-	*pipesrc_val = PSB_RVDC32(pipesrc_reg);
-	*dspstride_val = PSB_RVDC32(dspstride_reg);
-	*dsplinoff_val = PSB_RVDC32(dsplinoff_reg);
-	*dsptileoff_val = PSB_RVDC32(dsptileoff_reg);
-	*dspsize_val = PSB_RVDC32(dspsize_reg);
-	*dsppos_val = PSB_RVDC32(dsppos_reg);
-	*dspsurf_val = PSB_RVDC32(dspsurf_reg);
-	*dspcntr_val = PSB_RVDC32(dspcntr_reg);
-	*dspstatus_val = PSB_RVDC32(dspstatus_reg);
-
-	/*save palette (gamma) */
-	for (i = 0; i < 256; i++)
-		palette_val[i] = PSB_RVDC32(palette_reg + (i<<2));
-
-	if (pipe == 1) {
-		dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
-		dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
-		dev_priv->saveHDMIPHYMISCCTL = PSB_RVDC32(HDMIPHYMISCCTL);
-		dev_priv->saveHDMIB_CONTROL = PSB_RVDC32(HDMIB_CONTROL);
-		return 0;
-	}
-	*mipi_val = PSB_RVDC32(mipi_reg);
-	return 0;
-}
-
-/**
- * mdfld_save_cursor_overlay_registers	-	save cursor overlay info
- * @dev: our device
- *
- * Save the cursor and overlay register state
- */
-static int mdfld_save_cursor_overlay_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/* Save cursor regs */
-	dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
-	dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
-	dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
-
-	dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR);
-	dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE);
-	dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS);
-
-	dev_priv->saveDSPCCURSOR_CTRL = PSB_RVDC32(CURCCNTR);
-	dev_priv->saveDSPCCURSOR_BASE = PSB_RVDC32(CURCBASE);
-	dev_priv->saveDSPCCURSOR_POS = PSB_RVDC32(CURCPOS);
-
-	/* HW overlay */
-	dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD);
-	dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
-	dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
-	dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
-	dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
-	dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
-	dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
-
-	dev_priv->saveOV_OVADD_C = PSB_RVDC32(OV_OVADD + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC0_C = PSB_RVDC32(OV_OGAMC0 + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC1_C = PSB_RVDC32(OV_OGAMC1 + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC2_C = PSB_RVDC32(OV_OGAMC2 + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC3_C = PSB_RVDC32(OV_OGAMC3 + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC4_C = PSB_RVDC32(OV_OGAMC4 + OV_C_OFFSET);
-	dev_priv->saveOV_OGAMC5_C = PSB_RVDC32(OV_OGAMC5 + OV_C_OFFSET);
-
-	return 0;
-}
-/*
- * mdfld_restore_display_registers	-	restore the state of a pipe
- * @dev: our device
- * @pipe: the pipe to restore
- *
- * Restore the state of a pipe to that which was saved by the register save
- * functions.
- */
-static int mdfld_restore_display_registers(struct drm_device *dev, int pipe)
-{
-	/* To get  panel out of ULPS mode */
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dsi_config *dsi_config = NULL;
-	u32 i = 0;
-	u32 dpll = 0;
-	u32 timeout = 0;
-	u32 reg_offset = 0;
-
-	/* register */
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 fp_reg = MRST_FPA0;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 htot_reg = HTOTAL_A;
-	u32 hblank_reg = HBLANK_A;
-	u32 hsync_reg = HSYNC_A;
-	u32 vtot_reg = VTOTAL_A;
-	u32 vblank_reg = VBLANK_A;
-	u32 vsync_reg = VSYNC_A;
-	u32 pipesrc_reg = PIPEASRC;
-	u32 dspstride_reg = DSPASTRIDE;
-	u32 dsplinoff_reg = DSPALINOFF;
-	u32 dsptileoff_reg = DSPATILEOFF;
-	u32 dspsize_reg = DSPASIZE;
-	u32 dsppos_reg = DSPAPOS;
-	u32 dspsurf_reg = DSPASURF;
-	u32 dspstatus_reg = PIPEASTAT;
-	u32 mipi_reg = MIPI;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 palette_reg = PALETTE_A;
-
-	/* values */
-	u32 dpll_val = dev_priv->saveDPLL_A & ~DPLL_VCO_ENABLE;
-	u32 fp_val = dev_priv->saveFPA0;
-	u32 pipeconf_val = dev_priv->savePIPEACONF;
-	u32 htot_val = dev_priv->saveHTOTAL_A;
-	u32 hblank_val = dev_priv->saveHBLANK_A;
-	u32 hsync_val = dev_priv->saveHSYNC_A;
-	u32 vtot_val = dev_priv->saveVTOTAL_A;
-	u32 vblank_val = dev_priv->saveVBLANK_A;
-	u32 vsync_val = dev_priv->saveVSYNC_A;
-	u32 pipesrc_val = dev_priv->savePIPEASRC;
-	u32 dspstride_val = dev_priv->saveDSPASTRIDE;
-	u32 dsplinoff_val = dev_priv->saveDSPALINOFF;
-	u32 dsptileoff_val = dev_priv->saveDSPATILEOFF;
-	u32 dspsize_val = dev_priv->saveDSPASIZE;
-	u32 dsppos_val = dev_priv->saveDSPAPOS;
-	u32 dspsurf_val = dev_priv->saveDSPASURF;
-	u32 dspstatus_val = dev_priv->saveDSPASTATUS;
-	u32 mipi_val = dev_priv->saveMIPI;
-	u32 dspcntr_val = dev_priv->saveDSPACNTR;
-	u32 *palette_val = dev_priv->save_palette_a;
-
-	switch (pipe) {
-	case 0:
-		dsi_config = dev_priv->dsi_configs[0];
-		break;
-	case 1:
-		/* register */
-		dpll_reg = MDFLD_DPLL_B;
-		fp_reg = MDFLD_DPLL_DIV0;
-		pipeconf_reg = PIPEBCONF;
-		htot_reg = HTOTAL_B;
-		hblank_reg = HBLANK_B;
-		hsync_reg = HSYNC_B;
-		vtot_reg = VTOTAL_B;
-		vblank_reg = VBLANK_B;
-		vsync_reg = VSYNC_B;
-		pipesrc_reg = PIPEBSRC;
-		dspstride_reg = DSPBSTRIDE;
-		dsplinoff_reg = DSPBLINOFF;
-		dsptileoff_reg = DSPBTILEOFF;
-		dspsize_reg = DSPBSIZE;
-		dsppos_reg = DSPBPOS;
-		dspsurf_reg = DSPBSURF;
-		dspcntr_reg = DSPBCNTR;
-		palette_reg = PALETTE_B;
-		dspstatus_reg = PIPEBSTAT;
-
-		/* values */
-		dpll_val = dev_priv->saveDPLL_B & ~DPLL_VCO_ENABLE;
-		fp_val = dev_priv->saveFPB0;
-		pipeconf_val = dev_priv->savePIPEBCONF;
-		htot_val = dev_priv->saveHTOTAL_B;
-		hblank_val = dev_priv->saveHBLANK_B;
-		hsync_val = dev_priv->saveHSYNC_B;
-		vtot_val = dev_priv->saveVTOTAL_B;
-		vblank_val = dev_priv->saveVBLANK_B;
-		vsync_val = dev_priv->saveVSYNC_B;
-		pipesrc_val = dev_priv->savePIPEBSRC;
-		dspstride_val = dev_priv->saveDSPBSTRIDE;
-		dsplinoff_val = dev_priv->saveDSPBLINOFF;
-		dsptileoff_val = dev_priv->saveDSPBTILEOFF;
-		dspsize_val = dev_priv->saveDSPBSIZE;
-		dsppos_val = dev_priv->saveDSPBPOS;
-		dspsurf_val = dev_priv->saveDSPBSURF;
-		dspcntr_val = dev_priv->saveDSPBCNTR;
-		dspstatus_val = dev_priv->saveDSPBSTATUS;
-		palette_val = dev_priv->save_palette_b;
-		break;
-	case 2:
-		reg_offset = MIPIC_REG_OFFSET;
-
-		/* register */
-		pipeconf_reg = PIPECCONF;
-		htot_reg = HTOTAL_C;
-		hblank_reg = HBLANK_C;
-		hsync_reg = HSYNC_C;
-		vtot_reg = VTOTAL_C;
-		vblank_reg = VBLANK_C;
-		vsync_reg = VSYNC_C;
-		pipesrc_reg = PIPECSRC;
-		dspstride_reg = DSPCSTRIDE;
-		dsplinoff_reg = DSPCLINOFF;
-		dsptileoff_reg = DSPCTILEOFF;
-		dspsize_reg = DSPCSIZE;
-		dsppos_reg = DSPCPOS;
-		dspsurf_reg = DSPCSURF;
-		mipi_reg = MIPI_C;
-		dspcntr_reg = DSPCCNTR;
-		palette_reg = PALETTE_C;
-		dspstatus_reg = PIPECSTAT;
-
-		/* values */
-		pipeconf_val = dev_priv->savePIPECCONF;
-		htot_val = dev_priv->saveHTOTAL_C;
-		hblank_val = dev_priv->saveHBLANK_C;
-		hsync_val = dev_priv->saveHSYNC_C;
-		vtot_val = dev_priv->saveVTOTAL_C;
-		vblank_val = dev_priv->saveVBLANK_C;
-		vsync_val = dev_priv->saveVSYNC_C;
-		pipesrc_val = dev_priv->savePIPECSRC;
-		dspstride_val = dev_priv->saveDSPCSTRIDE;
-		dsplinoff_val = dev_priv->saveDSPCLINOFF;
-		dsptileoff_val = dev_priv->saveDSPCTILEOFF;
-		dspsize_val = dev_priv->saveDSPCSIZE;
-		dsppos_val = dev_priv->saveDSPCPOS;
-		dspsurf_val = dev_priv->saveDSPCSURF;
-		dspstatus_val = dev_priv->saveDSPCSTATUS;
-		mipi_val = dev_priv->saveMIPI_C;
-		dspcntr_val = dev_priv->saveDSPCCNTR;
-		palette_val = dev_priv->save_palette_c;
-
-		dsi_config = dev_priv->dsi_configs[1];
-		break;
-	default:
-		DRM_ERROR("%s, invalid pipe number.\n", __func__);
-		return -EINVAL;
-	}
-
-	/* Make sure VGA plane is off. it initializes to on after reset!*/
-	PSB_WVDC32(0x80000000, VGACNTRL);
-	if (pipe == 1) {
-		PSB_WVDC32(dpll_val & ~DPLL_VCO_ENABLE, dpll_reg);
-		PSB_RVDC32(dpll_reg);
-
-		PSB_WVDC32(fp_val, fp_reg);
-	} else {
-		dpll = PSB_RVDC32(dpll_reg);
-
-		if (!(dpll & DPLL_VCO_ENABLE)) {
-
-			/* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
-			if (dpll & MDFLD_PWR_GATE_EN) {
-				dpll &= ~MDFLD_PWR_GATE_EN;
-				PSB_WVDC32(dpll, dpll_reg);
-				udelay(500);	/* FIXME: 1 ? */
-			}
-
-			PSB_WVDC32(fp_val, fp_reg);
-			PSB_WVDC32(dpll_val, dpll_reg);
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(500);
-
-			dpll_val |= DPLL_VCO_ENABLE;
-			PSB_WVDC32(dpll_val, dpll_reg);
-			PSB_RVDC32(dpll_reg);
-
-			/* wait for DSI PLL to lock */
-			while ((timeout < 20000) && !(PSB_RVDC32(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
-				udelay(150);
-				timeout++;
-			}
-
-			if (timeout == 20000) {
-				DRM_ERROR("%s, can't lock DSIPLL.\n",
-							__func__);
-				return -EINVAL;
-			}
-		}
-	}
-	/* Restore mode */
-	PSB_WVDC32(htot_val, htot_reg);
-	PSB_WVDC32(hblank_val, hblank_reg);
-	PSB_WVDC32(hsync_val, hsync_reg);
-	PSB_WVDC32(vtot_val, vtot_reg);
-	PSB_WVDC32(vblank_val, vblank_reg);
-	PSB_WVDC32(vsync_val, vsync_reg);
-	PSB_WVDC32(pipesrc_val, pipesrc_reg);
-	PSB_WVDC32(dspstatus_val, dspstatus_reg);
-
-	/* Set up the plane */
-	PSB_WVDC32(dspstride_val, dspstride_reg);
-	PSB_WVDC32(dsplinoff_val, dsplinoff_reg);
-	PSB_WVDC32(dsptileoff_val, dsptileoff_reg);
-	PSB_WVDC32(dspsize_val, dspsize_reg);
-	PSB_WVDC32(dsppos_val, dsppos_reg);
-	PSB_WVDC32(dspsurf_val, dspsurf_reg);
-
-	if (pipe == 1) {
-		PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL);
-		PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
-		PSB_WVDC32(dev_priv->saveHDMIPHYMISCCTL, HDMIPHYMISCCTL);
-		PSB_WVDC32(dev_priv->saveHDMIB_CONTROL, HDMIB_CONTROL);
-
-	} else {
-		/* Set up pipe related registers */
-		PSB_WVDC32(mipi_val, mipi_reg);
-		/* Setup MIPI adapter + MIPI IP registers */
-		mdfld_dsi_controller_init(dsi_config, pipe);
-		msleep(20);
-	}
-	/* Enable the plane */
-	PSB_WVDC32(dspcntr_val, dspcntr_reg);
-	msleep(20);
-	/* Enable the pipe */
-	PSB_WVDC32(pipeconf_val, pipeconf_reg);
-
-	for (i = 0; i < 256; i++)
-		PSB_WVDC32(palette_val[i], palette_reg + (i<<2));
-	if (pipe == 1)
-		return 0;
-	if (!mdfld_panel_dpi(dev))
-		mdfld_enable_te(dev, pipe);
-	return 0;
-}
-
-/**
- * mdfld_restore_cursor_overlay_registers	-	restore cursor
- * @dev: our device
- *
- * Restore the cursor and overlay state that was saved earlier
- */
-static int mdfld_restore_cursor_overlay_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/* Enable Cursor A */
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR);
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS);
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE);
-
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR);
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS);
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE);
-
-	PSB_WVDC32(dev_priv->saveDSPCCURSOR_CTRL, CURCCNTR);
-	PSB_WVDC32(dev_priv->saveDSPCCURSOR_POS, CURCPOS);
-	PSB_WVDC32(dev_priv->saveDSPCCURSOR_BASE, CURCBASE);
-
-	/* Restore HW overlay */
-	PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5);
-
-	PSB_WVDC32(dev_priv->saveOV_OVADD_C, OV_OVADD + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC0_C, OV_OGAMC0 + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC1_C, OV_OGAMC1 + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC2_C, OV_OGAMC2 + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC3_C, OV_OGAMC3 + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC4_C, OV_OGAMC4 + OV_C_OFFSET);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC5_C, OV_OGAMC5 + OV_C_OFFSET);
-
-	return 0;
-}
-
-/**
- *	mdfld_save_display_registers	-	save registers lost on suspend
- *	@dev: our DRM device
- *
- *	Save the state we need in order to be able to restore the interface
- *	upon resume from suspend
- */
-static int mdfld_save_registers(struct drm_device *dev)
-{
-	/* FIXME: We need to shut down panels here if using them
-	   and once the right bits are merged */
-	mdfld_save_cursor_overlay_registers(dev);
-	mdfld_save_display_registers(dev, 0);
-	mdfld_save_display_registers(dev, 0);
-	mdfld_save_display_registers(dev, 2);
-	mdfld_save_display_registers(dev, 1);
-	mdfld_disable_crtc(dev, 0);
-	mdfld_disable_crtc(dev, 2);
-	mdfld_disable_crtc(dev, 1);
-	return 0;
-}
-
-/**
- *	mdfld_restore_display_registers	-	restore lost register state
- *	@dev: our DRM device
- *
- *	Restore register state that was lost during suspend and resume.
- */
-static int mdfld_restore_registers(struct drm_device *dev)
-{
-	mdfld_restore_display_registers(dev, 1);
-	mdfld_restore_display_registers(dev, 0);
-	mdfld_restore_display_registers(dev, 2);
-	mdfld_restore_cursor_overlay_registers(dev);
-	return 0;
-}
-
-static int mdfld_power_down(struct drm_device *dev)
-{
-	/* FIXME */
-	return 0;
-}
-
-static int mdfld_power_up(struct drm_device *dev)
-{
-	/* FIXME */
-	return 0;
-}
-
-const struct psb_ops mdfld_chip_ops = {
-	.name = "Medfield",
-	.accel_2d = 0,
-	.pipes = 3,
-	.crtcs = 2,
-	.sgx_offset = MRST_SGX_OFFSET,
-
-	.chip_setup = mid_chip_setup,
-
-	.crtc_helper = &mdfld_helper_funcs,
-	.crtc_funcs = &mdfld_intel_crtc_funcs,
-
-	.output_init = mdfld_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = mdfld_backlight_init,
-#endif
-
-	.init_pm = mdfld_init_pm,
-	.save_regs = mdfld_save_registers,
-	.restore_regs = mdfld_restore_registers,
-	.power_down = mdfld_power_down,
-	.power_up = mdfld_power_up,
-};
-
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.c b/drivers/staging/gma500/mdfld_dsi_dbi.c
deleted file mode 100644
index fd211f3467c4..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi.c
+++ /dev/null
@@ -1,761 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *  jim liu <jim.liu@intel.com>
- *  Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-int enable_gfx_rtpm;
-
-extern struct drm_device *gpDrmDevice;
-extern int gfxrtdelay;
-int enter_dsr;
-struct mdfld_dsi_dbi_output *gdbi_output;
-extern bool gbgfxsuspended;
-extern int enable_gfx_rtpm;
-extern int gfxrtdelay;
-
-#define MDFLD_DSR_MAX_IDLE_COUNT	2
-
-/*
- * set refreshing area
- */
-int mdfld_dsi_dbi_update_area(struct mdfld_dsi_dbi_output *dbi_output,
-				u16 x1, u16 y1, u16 x2, u16 y2)
-{
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-	u8 param[4];
-	u8 cmd;
-	int err;
-
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	/* Set column */
-	cmd = DCS_SET_COLUMN_ADDRESS;
-	param[0] = x1 >> 8;
-	param[1] = x1;
-	param[2] = x2 >> 8;
-	param[3] = x2;
-
-	err = mdfld_dsi_send_dcs(sender,
-				 cmd,
-				 param,
-				 4,
-				 CMD_DATA_SRC_SYSTEM_MEM,
-				 MDFLD_DSI_QUEUE_PACKAGE);
-	if (err) {
-		dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd);
-		goto err_out;
-	}
-
-	/* Set page */
-	cmd = DCS_SET_PAGE_ADDRESS;
-	param[0] = y1 >> 8;
-	param[1] = y1;
-	param[2] = y2 >> 8;
-	param[3] = y2;
-
-	err = mdfld_dsi_send_dcs(sender,
-				 cmd,
-				 param,
-				 4,
-				 CMD_DATA_SRC_SYSTEM_MEM,
-				 MDFLD_DSI_QUEUE_PACKAGE);
-	if (err) {
-		dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd);
-		goto err_out;
-	}
-
-	/*update screen*/
-	err = mdfld_dsi_send_dcs(sender,
-				 write_mem_start,
-				 NULL,
-				 0,
-				 CMD_DATA_SRC_PIPE,
-				 MDFLD_DSI_QUEUE_PACKAGE);
-	if (err) {
-		dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd);
-		goto err_out;
-	}
-	mdfld_dsi_cmds_kick_out(sender);
-err_out:
-	return err;
-}
-
-/*
- * set panel's power state
- */
-int mdfld_dsi_dbi_update_power(struct mdfld_dsi_dbi_output *dbi_output,
-								int mode)
-{
-	struct drm_device *dev = dbi_output->dev;
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-	u8 param = 0;
-	u32 err = 0;
-
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	if (mode == DRM_MODE_DPMS_ON) {
-		/* Exit sleep mode */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_EXIT_SLEEP_MODE,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-						DCS_EXIT_SLEEP_MODE);
-			goto power_err;
-		}
-
-		/* Set display on */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_SET_DISPLAY_ON,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-							DCS_SET_DISPLAY_ON);
-			goto power_err;
-		}
-
-		/* set tear effect on */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_SET_TEAR_ON,
-					 &param,
-					 1,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-							set_tear_on);
-			goto power_err;
-		}
-
-		/**
-		 * FIXME: remove this later
-		 */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_WRITE_MEM_START,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_PIPE,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-						DCS_WRITE_MEM_START);
-			goto power_err;
-		}
-	} else {
-		/* Set tear effect off */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_SET_TEAR_OFF,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-							DCS_SET_TEAR_OFF);
-			goto power_err;
-		}
-
-		/* Turn display off */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_SET_DISPLAY_OFF,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-						DCS_SET_DISPLAY_OFF);
-			goto power_err;
-		}
-
-		/* Now enter sleep mode */
-		err = mdfld_dsi_send_dcs(sender,
-					 DCS_ENTER_SLEEP_MODE,
-					 NULL,
-					 0,
-					 CMD_DATA_SRC_SYSTEM_MEM,
-					 MDFLD_DSI_QUEUE_PACKAGE);
-		if (err) {
-			dev_err(dev->dev, "DCS 0x%x sent failed\n",
-							DCS_ENTER_SLEEP_MODE);
-			goto power_err;
-		}
-	}
-	mdfld_dsi_cmds_kick_out(sender);
-power_err:
-	return err;
-}
-
-/*
- * send a generic DCS command with a parameter list
- */
-int mdfld_dsi_dbi_send_dcs(struct mdfld_dsi_dbi_output *dbi_output,
-			u8 dcs,  u8 *param, u32 num, u8 data_src)
-{
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-	int ret;
-
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	ret = mdfld_dsi_send_dcs(sender,
-				 dcs,
-				 param,
-				 num,
-				 data_src,
-				 MDFLD_DSI_SEND_PACKAGE);
-
-	return ret;
-}
-
-/*
- * Enter DSR
- */
-void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output, int pipe)
-{
-	u32 reg_val;
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_crtc *crtc = dbi_output->base.base.crtc;
-	struct psb_intel_crtc *psb_crtc = (crtc) ?
-					to_psb_intel_crtc(crtc) : NULL;
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dspcntr_reg = DSPACNTR;
-
-	if (!dbi_output)
-		return;
-
-	/* FIXME check if can go */
-	dev_priv->is_in_idle = true;
-
-	gdbi_output = dbi_output;
-	if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-		(psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING))
-		return;
-
-	if (pipe == 2) {
-		dpll_reg = MRST_DPLL_A;
-		pipeconf_reg = PIPECCONF;
-		dspcntr_reg = DSPCCNTR;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-	/* Disable te interrupts */
-	mdfld_disable_te(dev, pipe);
-
-	/* Disable plane */
-	reg_val = REG_READ(dspcntr_reg);
-	if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-		REG_WRITE(dspcntr_reg, reg_val & ~DISPLAY_PLANE_ENABLE);
-		REG_READ(dspcntr_reg);
-	}
-
-	/* Disable pipe */
-	reg_val = REG_READ(pipeconf_reg);
-	if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-		reg_val &= ~DISPLAY_PLANE_ENABLE;
-		reg_val |= (PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF);
-		REG_WRITE(pipeconf_reg, reg_val);
-		REG_READ(pipeconf_reg);
-		mdfldWaitForPipeDisable(dev, pipe);
-	}
-
-	/* Disable DPLL */
-	reg_val = REG_READ(dpll_reg);
-	if (!(reg_val & DPLL_VCO_ENABLE)) {
-		reg_val &= ~DPLL_VCO_ENABLE;
-		REG_WRITE(dpll_reg, reg_val);
-		REG_READ(dpll_reg);
-		udelay(500);
-	}
-
-	gma_power_end(dev);
-	dbi_output->mode_flags |= MODE_SETTING_IN_DSR;
-	if (pipe == 2) {
-		enter_dsr = 1;
-		/* pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay); */
-	}
-}
-
-static void mdfld_dbi_output_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output,
-			int pipe)
-{
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_crtc *crtc = dbi_output->base.base.crtc;
-	struct psb_intel_crtc *psb_crtc = (crtc) ?
-					to_psb_intel_crtc(crtc) : NULL;
-	u32 reg_val;
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 reg_offset = 0;
-
-	/*if mode setting on-going, back off*/
-	if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-		(psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING))
-		return;
-
-	if (pipe == 2) {
-		dpll_reg = MRST_DPLL_A;
-		pipeconf_reg = PIPECCONF;
-		dspcntr_reg = DSPCCNTR;
-		reg_offset = MIPIC_REG_OFFSET;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	/* Enable DPLL */
-	reg_val = REG_READ(dpll_reg);
-	if (!(reg_val & DPLL_VCO_ENABLE)) {
-		if (reg_val & MDFLD_PWR_GATE_EN) {
-			reg_val &= ~MDFLD_PWR_GATE_EN;
-			REG_WRITE(dpll_reg, reg_val);
-			REG_READ(dpll_reg);
-			udelay(500);
-		}
-
-		reg_val |= DPLL_VCO_ENABLE;
-		REG_WRITE(dpll_reg, reg_val);
-		REG_READ(dpll_reg);
-		udelay(500);
-
-		/* Add timeout */
-		while (!(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK))
-			cpu_relax();
-	}
-
-	/* Enable pipe */
-	reg_val = REG_READ(pipeconf_reg);
-	if (!(reg_val & PIPEACONF_ENABLE)) {
-		reg_val |= PIPEACONF_ENABLE;
-		REG_WRITE(pipeconf_reg, reg_val);
-		REG_READ(pipeconf_reg);
-		udelay(500);
-		mdfldWaitForPipeEnable(dev, pipe);
-	}
-
-	/* Enable plane */
-	reg_val = REG_READ(dspcntr_reg);
-	if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-		reg_val |= DISPLAY_PLANE_ENABLE;
-		REG_WRITE(dspcntr_reg, reg_val);
-		REG_READ(dspcntr_reg);
-		udelay(500);
-	}
-
-	/* Enable TE interrupt on this pipe */
-	mdfld_enable_te(dev, pipe);
-	gma_power_end(dev);
-
-	/*clean IN_DSR flag*/
-	dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR;
-}
-
-/*
- * Exit from DSR
- */
-void mdfld_dsi_dbi_exit_dsr(struct drm_device *dev, u32 update_src)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-	struct mdfld_dsi_dbi_output **dbi_output;
-	int i;
-	int pipe;
-
-	/* FIXME can go ? */
-	dev_priv->is_in_idle = false;
-	dbi_output = dsr_info->dbi_outputs;
-
-#ifdef CONFIG_PM_RUNTIME
-	 if (!enable_gfx_rtpm) {
-/*                pm_runtime_allow(&gpDrmDevice->pdev->dev); */
-/*		schedule_delayed_work(&rtpm_work, 30 * 1000);*/ /* FIXME: HZ ? */
-	}
-#endif
-
-	/* For each output, exit dsr */
-	for (i = 0; i < dsr_info->dbi_output_num; i++) {
-		/* If panel has been turned off, skip */
-		if (!dbi_output[i] || !dbi_output[i]->dbi_panel_on)
-			continue;
-		pipe = dbi_output[i]->channel_num ? 2 : 0;
-		enter_dsr = 0;
-		mdfld_dbi_output_exit_dsr(dbi_output[i], pipe);
-	}
-	dev_priv->dsr_fb_update |= update_src;
-}
-
-static bool mdfld_dbi_is_in_dsr(struct drm_device *dev)
-{
-	if (REG_READ(MRST_DPLL_A) & DPLL_VCO_ENABLE)
-		return false;
-	if ((REG_READ(PIPEACONF) & PIPEACONF_ENABLE) ||
-	   (REG_READ(PIPECCONF) & PIPEACONF_ENABLE))
-		return false;
-	if ((REG_READ(DSPACNTR) & DISPLAY_PLANE_ENABLE) ||
-	   (REG_READ(DSPCCNTR) & DISPLAY_PLANE_ENABLE))
-		return false;
-
-	return true;
-}
-
-/* Periodically update dbi panel */
-void mdfld_dbi_update_panel(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-	struct mdfld_dsi_dbi_output **dbi_outputs;
-	struct mdfld_dsi_dbi_output *dbi_output;
-	int i;
-	int can_enter_dsr = 0;
-	u32 damage_mask;
-
-	dbi_outputs = dsr_info->dbi_outputs;
-	dbi_output = pipe ? dbi_outputs[1] : dbi_outputs[0];
-
-	if (!dbi_output)
-		return;
-
-	if (pipe == 0)
-		damage_mask = dev_priv->dsr_fb_update & MDFLD_DSR_DAMAGE_MASK_0;
-	else if (pipe == 2)
-		damage_mask = dev_priv->dsr_fb_update & MDFLD_DSR_DAMAGE_MASK_2;
-	else
-		return;
-
-	/* If FB is damaged and panel is on update on-panel FB */
-	if (damage_mask && dbi_output->dbi_panel_on) {
-		dbi_output->dsr_fb_update_done = false;
-
-		if (dbi_output->p_funcs->update_fb)
-			dbi_output->p_funcs->update_fb(dbi_output, pipe);
-
-		if (dev_priv->dsr_enable && dbi_output->dsr_fb_update_done)
-			dev_priv->dsr_fb_update &= ~damage_mask;
-
-		/*clean IN_DSR flag*/
-		dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR;
-
-		dbi_output->dsr_idle_count = 0;
-	} else {
-		dbi_output->dsr_idle_count++;
-	}
-
-	switch (dsr_info->dbi_output_num) {
-	case 1:
-		if (dbi_output->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT)
-			can_enter_dsr = 1;
-		break;
-	case 2:
-		if (dbi_outputs[0]->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT
-		   && dbi_outputs[1]->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT)
-			can_enter_dsr = 1;
-		break;
-	default:
-		DRM_ERROR("Wrong DBI output number\n");
-	}
-
-	/* Try to enter DSR */
-	if (can_enter_dsr) {
-		for (i = 0; i < dsr_info->dbi_output_num; i++) {
-			if (!mdfld_dbi_is_in_dsr(dev) && dbi_outputs[i] &&
-			   !(dbi_outputs[i]->mode_flags & MODE_SETTING_ON_GOING)) {
-				mdfld_dsi_dbi_enter_dsr(dbi_outputs[i],
-					dbi_outputs[i]->channel_num ? 2 : 0);
-#if 0
-				enter_dsr = 1;
-				pr_err("%s: enter_dsr = 1\n", __func__);
-#endif
-			}
-		}
-	/*schedule rpm suspend after gfxrtdelay*/
-#ifdef CONFIG_GFX_RTPM
-		if (!dev_priv->rpm_enabled
-			|| !enter_dsr
-	/*		|| (REG_READ(HDMIB_CONTROL) & HDMIB_PORT_EN) */
-			|| pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay))
-			dev_warn(dev->dev,
-				"Runtime PM schedule suspend failed, rpm %d\n",
-					dev_priv->rpm_enabled);
-#endif
-	}
-}
-
-int mdfld_dbi_dsr_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-
-	if (!dsr_info || IS_ERR(dsr_info)) {
-		dsr_info = kzalloc(sizeof(struct mdfld_dbi_dsr_info),
-								GFP_KERNEL);
-		if (!dsr_info) {
-			dev_err(dev->dev, "No memory\n");
-			return -ENOMEM;
-		}
-		dev_priv->dbi_dsr_info = dsr_info;
-	}
-	return 0;
-}
-
-void mdfld_dbi_dsr_exit(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-
-	if (dsr_info) {
-		kfree(dsr_info);
-		dev_priv->dbi_dsr_info = NULL;
-	}
-}
-
-void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config,
-								int pipe)
-{
-	struct drm_device *dev = dsi_config->dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int lane_count = dsi_config->lane_count;
-	u32 val = 0;
-
-	dev_dbg(dev->dev, "Init DBI interface on pipe %d...\n", pipe);
-
-	/* Un-ready device */
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-	/* Init dsi adapter before kicking off */
-	REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-	/* TODO: figure out how to setup these registers */
-	REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-	REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset),
-							0x000a0014);
-	REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400);
-	REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000001);
-	REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000);
-
-	/* Enable all interrupts */
-	REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-	/* Max value: 20 clock cycles of txclkesc */
-	REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f);
-	/* Min 21 txclkesc, max: ffffh */
-	REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff);
-	/* Min: 7d0 max: 4e20 */
-	REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0);
-
-	/* Set up func_prg */
-	val |= lane_count;
-	val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET);
-	val |= DSI_DBI_COLOR_FORMAT_OPTION2;
-	REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-	REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff);
-	REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff);
-
-	/* De-assert dbi_stall when half of DBI FIFO is empty */
-	/* REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000000); */
-
-	REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-	REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-	REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-#if 0
-/*DBI encoder helper funcs*/
-static const struct drm_encoder_helper_funcs mdfld_dsi_dbi_helper_funcs = {
-	.dpms = mdfld_dsi_dbi_dpms,
-	.mode_fixup = mdfld_dsi_dbi_mode_fixup,
-	.prepare = mdfld_dsi_dbi_prepare,
-	.mode_set = mdfld_dsi_dbi_mode_set,
-	.commit = mdfld_dsi_dbi_commit,
-};
-
-/*DBI encoder funcs*/
-static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-#endif
-
-/*
- * Init DSI DBI encoder.
- * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector
- * return pointer of newly allocated DBI encoder, NULL on error
- */
-struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev,
-				struct mdfld_dsi_connector *dsi_connector,
-				struct panel_funcs *p_funcs)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dsi_dbi_output *dbi_output = NULL;
-	struct mdfld_dsi_config *dsi_config;
-	struct drm_connector *connector = NULL;
-	struct drm_encoder *encoder = NULL;
-	struct drm_display_mode *fixed_mode = NULL;
-	struct psb_gtt *pg = dev_priv ? (&dev_priv->gtt) : NULL;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv ? (dev_priv->dbi_dpu_info) : NULL;
-	struct mdfld_dbi_dsr_info *dsr_info = dev_priv ? (dev_priv->dbi_dsr_info) : NULL;
-	u32 data = 0;
-	int pipe;
-	int ret;
-
-	if (!pg || !dsi_connector || !p_funcs) {
-		WARN_ON(1);
-		return NULL;
-	}
-
-	dsi_config = mdfld_dsi_get_config(dsi_connector);
-	pipe = dsi_connector->pipe;
-
-	/*panel hard-reset*/
-	if (p_funcs->reset) {
-		ret = p_funcs->reset(pipe);
-		if (ret) {
-			DRM_ERROR("Panel %d hard-reset failed\n", pipe);
-			return NULL;
-		}
-	}
-	/* Panel drvIC init */
-	if (p_funcs->drv_ic_init)
-		p_funcs->drv_ic_init(dsi_config, pipe);
-
-	/* Panel power mode detect */
-	ret = mdfld_dsi_get_power_mode(dsi_config,
-				       &data,
-				       MDFLD_DSI_HS_TRANSMISSION);
-	if (ret) {
-		DRM_ERROR("Panel %d get power mode failed\n", pipe);
-		dsi_connector->status = connector_status_disconnected;
-	} else {
-		DRM_INFO("pipe %d power mode 0x%x\n", pipe, data);
-		dsi_connector->status = connector_status_connected;
-	}
-
-	/*TODO: get panel info from DDB*/
-
-	dbi_output = kzalloc(sizeof(struct mdfld_dsi_dbi_output), GFP_KERNEL);
-	if (!dbi_output) {
-		dev_err(dev->dev, "No memory\n");
-		return NULL;
-	}
-
-	if (dsi_connector->pipe == 0) {
-		dbi_output->channel_num = 0;
-		dev_priv->dbi_output = dbi_output;
-	} else if (dsi_connector->pipe == 2) {
-		dbi_output->channel_num = 1;
-		dev_priv->dbi_output2 = dbi_output;
-	} else {
-		dev_err(dev->dev, "only support 2 DSI outputs\n");
-		goto out_err1;
-	}
-
-	dbi_output->dev = dev;
-	dbi_output->p_funcs = p_funcs;
-	fixed_mode = dsi_config->fixed_mode;
-	dbi_output->panel_fixed_mode = fixed_mode;
-
-	/* Create drm encoder object */
-	connector = &dsi_connector->base.base;
-	encoder = &dbi_output->base.base;
-	/* Review this if we ever get MIPI-HDMI bridges or similar */
-	drm_encoder_init(dev,
-			encoder,
-			p_funcs->encoder_funcs,
-			DRM_MODE_ENCODER_LVDS);
-	drm_encoder_helper_add(encoder, p_funcs->encoder_helper_funcs);
-
-	/* Attach to given connector */
-	drm_mode_connector_attach_encoder(connector, encoder);
-
-	/* Set possible CRTCs and clones */
-	if (dsi_connector->pipe) {
-		encoder->possible_crtcs = (1 << 2);
-		encoder->possible_clones = (1 << 1);
-	} else {
-		encoder->possible_crtcs = (1 << 0);
-		encoder->possible_clones = (1 << 0);
-	}
-
-	dev_priv->dsr_fb_update = 0;
-	dev_priv->dsr_enable = false;
-	dev_priv->exit_idle = mdfld_dsi_dbi_exit_dsr;
-
-	dbi_output->first_boot = true;
-	dbi_output->mode_flags = MODE_SETTING_IN_ENCODER;
-
-	/* Add this output to dpu_info if in DPU mode */
-	if (dpu_info && dsi_connector->status == connector_status_connected) {
-		if (dsi_connector->pipe == 0)
-			dpu_info->dbi_outputs[0] = dbi_output;
-		else
-			dpu_info->dbi_outputs[1] = dbi_output;
-
-		dpu_info->dbi_output_num++;
-	} else if (dsi_connector->status == connector_status_connected) {
-		/* Add this output to dsr_info if not */
-		if (dsi_connector->pipe == 0)
-			dsr_info->dbi_outputs[0] = dbi_output;
-		else
-			dsr_info->dbi_outputs[1] = dbi_output;
-
-		dsr_info->dbi_output_num++;
-	}
-	return &dbi_output->base;
-out_err1:
-	kfree(dbi_output);
-	return NULL;
-}
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.h b/drivers/staging/gma500/mdfld_dsi_dbi.h
deleted file mode 100644
index f0fa986fd934..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi.h
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DBI_H__
-#define __MDFLD_DSI_DBI_H__
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
-
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-/*
- * DBI encoder which inherits from mdfld_dsi_encoder
- */
-struct mdfld_dsi_dbi_output {
-	struct mdfld_dsi_encoder base;
-	struct drm_display_mode *panel_fixed_mode;
-	u8 last_cmd;
-	u8 lane_count;
-	u8 channel_num;
-	struct drm_device *dev;
-
-	/* Backlight operations */
-
-	/* DSR timer */
-	u32 dsr_idle_count;
-	bool dsr_fb_update_done;
-
-	/* Mode setting flags */
-	u32 mode_flags;
-
-	/* Panel status */
-	bool dbi_panel_on;
-	bool first_boot;
-	struct panel_funcs *p_funcs;
-
-	/* DPU */
-	u32 *dbi_cb_addr;
-	u32 dbi_cb_phy;
-	spinlock_t cb_lock;
-	u32 cb_write;
-};
-
-#define MDFLD_DSI_DBI_OUTPUT(dsi_encoder) \
-	container_of(dsi_encoder, struct mdfld_dsi_dbi_output, base)
-
-struct mdfld_dbi_dsr_info {
-	int dbi_output_num;
-	struct mdfld_dsi_dbi_output *dbi_outputs[2];
-
-	u32 dsr_idle_count;
-};
-
-#define DBI_CB_TIMEOUT_COUNT	0xffff
-
-/* Offsets */
-#define CMD_MEM_ADDR_OFFSET	0
-
-#define CMD_DATA_SRC_SYSTEM_MEM	0
-#define CMD_DATA_SRC_PIPE	1
-
-static inline int mdfld_dsi_dbi_fifo_ready(struct mdfld_dsi_dbi_output *dbi_output)
-{
-	struct drm_device *dev = dbi_output->dev;
-	u32 retry = DBI_CB_TIMEOUT_COUNT;
-	int reg_offset = (dbi_output->channel_num == 1) ? MIPIC_REG_OFFSET : 0;
-	int ret = 0;
-
-	/* Query the dbi fifo status*/
-	while (retry--) {
-		if (REG_READ(MIPIA_GEN_FIFO_STAT_REG + reg_offset) & (1 << 27))
-			break;
-	}
-
-	if (!retry) {
-		DRM_ERROR("Timeout waiting for DBI FIFO empty\n");
-		ret = -EAGAIN;
-	}
-	return ret;
-}
-
-static inline int mdfld_dsi_dbi_cmd_sent(struct mdfld_dsi_dbi_output *dbi_output)
-{
-	struct drm_device *dev = dbi_output->dev;
-	u32 retry = DBI_CB_TIMEOUT_COUNT;
-	int reg_offset = (dbi_output->channel_num == 1) ? MIPIC_REG_OFFSET : 0;
-	int ret = 0;
-
-	/* Query the command execution status */
-	while (retry--)
-		if (!(REG_READ(MIPIA_CMD_ADD_REG + reg_offset) & (1 << 0)))
-			break;
-
-	if (!retry) {
-		DRM_ERROR("Timeout waiting for DBI command status\n");
-		ret = -EAGAIN;
-	}
-
-	return ret;
-}
-
-static inline int mdfld_dsi_dbi_cb_ready(struct mdfld_dsi_dbi_output *dbi_output)
-{
-	int ret = 0;
-
-	/* Query the command execution status*/
-	ret = mdfld_dsi_dbi_cmd_sent(dbi_output);
-	if (ret) {
-		DRM_ERROR("Peripheral is busy\n");
-		ret = -EAGAIN;
-	}
-	/* Query the dbi fifo status*/
-	ret = mdfld_dsi_dbi_fifo_ready(dbi_output);
-	if (ret) {
-		DRM_ERROR("DBI FIFO is not empty\n");
-		ret = -EAGAIN;
-	}
-	return ret;
-}
-
-extern void mdfld_dsi_dbi_output_init(struct drm_device *dev,
-			struct psb_intel_mode_device *mode_dev, int pipe);
-extern void mdfld_dsi_dbi_exit_dsr(struct drm_device *dev, u32 update_src);
-extern void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output,
-			int pipe);
-extern int mdfld_dbi_dsr_init(struct drm_device *dev);
-extern void mdfld_dbi_dsr_exit(struct drm_device *dev);
-extern struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev,
-			struct mdfld_dsi_connector *dsi_connector,
-			struct panel_funcs *p_funcs);
-extern int mdfld_dsi_dbi_send_dcs(struct mdfld_dsi_dbi_output *dbi_output,
-			u8 dcs, u8 *param, u32 num, u8 data_src);
-extern int mdfld_dsi_dbi_update_area(struct mdfld_dsi_dbi_output *dbi_output,
-			u16 x1, u16 y1, u16 x2, u16 y2);
-extern int mdfld_dsi_dbi_update_power(struct mdfld_dsi_dbi_output *dbi_output,
-			int mode);
-extern void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config,
-			int pipe);
-
-#endif /*__MDFLD_DSI_DBI_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c
deleted file mode 100644
index a4e2ff442b1f..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c
+++ /dev/null
@@ -1,778 +0,0 @@
-/*
- * Copyright © 2010-2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jim Liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_dbi.h"
-
-/*
- * NOTE: all mdlfd_x_damage funcs should be called by holding dpu_update_lock
- */
-
-static int mdfld_cursor_damage(struct mdfld_dbi_dpu_info *dpu_info,
-			   mdfld_plane_t plane,
-			   struct psb_drm_dpu_rect *damaged_rect)
-{
-	int x, y;
-	int new_x, new_y;
-	struct psb_drm_dpu_rect *rect;
-	struct psb_drm_dpu_rect *pipe_rect;
-	int cursor_size;
-	struct mdfld_cursor_info *cursor;
-	mdfld_plane_t fb_plane;
-
-	if (plane == MDFLD_CURSORA) {
-		cursor = &dpu_info->cursors[0];
-		x = dpu_info->cursors[0].x;
-		y = dpu_info->cursors[0].y;
-		cursor_size = dpu_info->cursors[0].size;
-		pipe_rect = &dpu_info->damage_pipea;
-		fb_plane = MDFLD_PLANEA;
-	} else {
-		cursor = &dpu_info->cursors[1];
-		x = dpu_info->cursors[1].x;
-		y = dpu_info->cursors[1].y;
-		cursor_size = dpu_info->cursors[1].size;
-		pipe_rect = &dpu_info->damage_pipec;
-		fb_plane = MDFLD_PLANEC;
-	}
-	new_x = damaged_rect->x;
-	new_y = damaged_rect->y;
-
-	if (x == new_x && y == new_y)
-		return 0;
-
-	rect = &dpu_info->damaged_rects[plane];
-	/* Move to right */
-	if (new_x >= x) {
-		if (new_y > y) {
-			rect->x = x;
-			rect->y = y;
-			rect->width = (new_x + cursor_size) - x;
-			rect->height = (new_y + cursor_size) - y;
-			goto cursor_out;
-		} else {
-			rect->x = x;
-			rect->y = new_y;
-			rect->width = (new_x + cursor_size) - x;
-			rect->height = (y - new_y);
-			goto cursor_out;
-		}
-	} else {
-		if (new_y > y) {
-			rect->x = new_x;
-			rect->y = y;
-			rect->width = (x + cursor_size) - new_x;
-			rect->height = new_y - y;
-			goto cursor_out;
-		} else {
-			rect->x = new_x;
-			rect->y = new_y;
-			rect->width = (x + cursor_size) - new_x;
-			rect->height = (y + cursor_size) - new_y;
-		}
-	}
-cursor_out:
-	if (new_x < 0)
-		cursor->x = 0;
-	else if (new_x > 864)
-		cursor->x = 864;
-	else
-		cursor->x = new_x;
-
-	if (new_y < 0)
-		cursor->y = 0;
-	else if (new_y > 480)
-		cursor->y = 480;
-	else
-		cursor->y = new_y;
-
-	/*
-	 * FIXME: this is a workaround for cursor plane update,
-	 * remove it later!
-	 */
-	rect->x = 0;
-	rect->y = 0;
-	rect->width = 864;
-	rect->height = 480;
-
-	mdfld_check_boundary(dpu_info, rect);
-	mdfld_dpu_region_extent(pipe_rect, rect);
-
-	/* Update pending status of dpu_info */
-	dpu_info->pending |= (1 << plane);
-	/* Update fb panel as well */
-	dpu_info->pending |= (1 << fb_plane);
-	return 0;
-}
-
-static int mdfld_fb_damage(struct mdfld_dbi_dpu_info *dpu_info,
-				   mdfld_plane_t plane,
-				   struct psb_drm_dpu_rect *damaged_rect)
-{
-	struct psb_drm_dpu_rect *rect;
-
-	if (plane == MDFLD_PLANEA)
-		rect = &dpu_info->damage_pipea;
-	else
-		rect = &dpu_info->damage_pipec;
-
-	mdfld_check_boundary(dpu_info, damaged_rect);
-
-	/* Add fb damage area to this pipe */
-	mdfld_dpu_region_extent(rect, damaged_rect);
-
-	/* Update pending status of dpu_info */
-	dpu_info->pending |= (1 << plane);
-	return 0;
-}
-
-/* Do nothing here, right now */
-static int mdfld_overlay_damage(struct mdfld_dbi_dpu_info *dpu_info,
-				mdfld_plane_t plane,
-				struct psb_drm_dpu_rect *damaged_rect)
-{
-	return 0;
-}
-
-int mdfld_dbi_dpu_report_damage(struct drm_device *dev,
-				mdfld_plane_t plane,
-				struct psb_drm_dpu_rect *rect)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	int ret = 0;
-
-	/* DPU not in use, no damage reporting needed */
-	if (dpu_info == NULL)
-		return 0;
-
-	spin_lock(&dpu_info->dpu_update_lock);
-
-	switch (plane) {
-	case MDFLD_PLANEA:
-	case MDFLD_PLANEC:
-		mdfld_fb_damage(dpu_info, plane, rect);
-		break;
-	case MDFLD_CURSORA:
-	case MDFLD_CURSORC:
-		mdfld_cursor_damage(dpu_info, plane, rect);
-		break;
-	case MDFLD_OVERLAYA:
-	case MDFLD_OVERLAYC:
-		mdfld_overlay_damage(dpu_info, plane, rect);
-		break;
-	default:
-		DRM_ERROR("Invalid plane type %d\n", plane);
-		ret = -EINVAL;
-	}
-	spin_unlock(&dpu_info->dpu_update_lock);
-	return ret;
-}
-
-int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv;
-	struct mdfld_dbi_dpu_info *dpu_info;
-	struct mdfld_dsi_config  *dsi_config;
-	struct psb_drm_dpu_rect rect;
-	int i;
-
-	if (!dev) {
-		DRM_ERROR("Invalid parameter\n");
-		return -EINVAL;
-	}
-
-	dev_priv = dev->dev_private;
-	dpu_info = dev_priv->dbi_dpu_info;
-
-	/* This is fine - we may be in non DPU mode */
-	if (!dpu_info)
-		return -EINVAL;
-
-	for (i = 0; i < dpu_info->dbi_output_num; i++) {
-		dsi_config = dev_priv->dsi_configs[i];
-		if (dsi_config) {
-			rect.x = rect.y = 0;
-			rect.width = dsi_config->fixed_mode->hdisplay;
-			rect.height = dsi_config->fixed_mode->vdisplay;
-			mdfld_dbi_dpu_report_damage(dev,
-				    i ? (MDFLD_PLANEC) : (MDFLD_PLANEA),
-				    &rect);
-		}
-	}
-	/* Exit DSR state */
-	mdfld_dpu_exit_dsr(dev);
-	return 0;
-}
-
-int mdfld_dsi_dbi_dsr_off(struct drm_device *dev,
-					struct psb_drm_dpu_rect *rect)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-	mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, rect);
-
-	/* If dual display mode */
-	if (dpu_info->dbi_output_num == 2)
-		mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, rect);
-
-	/* Force dsi to exit DSR mode */
-	mdfld_dpu_exit_dsr(dev);
-	return 0;
-}
-
-static void mdfld_dpu_cursor_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
-						 mdfld_plane_t plane)
-{
-	struct drm_device *dev = dpu_info->dev;
-	u32 curpos_reg = CURAPOS;
-	u32 curbase_reg = CURABASE;
-	u32 curcntr_reg = CURACNTR;
-	struct mdfld_cursor_info *cursor = &dpu_info->cursors[0];
-
-	if (plane == MDFLD_CURSORC) {
-		curpos_reg = CURCPOS;
-		curbase_reg = CURCBASE;
-		curcntr_reg = CURCCNTR;
-		cursor = &dpu_info->cursors[1];
-	}
-
-	REG_WRITE(curcntr_reg, REG_READ(curcntr_reg));
-	REG_WRITE(curpos_reg,
-		(((cursor->x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) |
-		((cursor->y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT)));
-	REG_WRITE(curbase_reg, REG_READ(curbase_reg));
-}
-
-static void mdfld_dpu_fb_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
-						 mdfld_plane_t plane)
-{
-	u32 pipesrc_reg = PIPEASRC;
-	u32 dspsize_reg = DSPASIZE;
-	u32 dspoff_reg = DSPALINOFF;
-	u32 dspsurf_reg = DSPASURF;
-	u32 dspstride_reg = DSPASTRIDE;
-	u32 stride;
-	struct psb_drm_dpu_rect *rect = &dpu_info->damage_pipea;
-	struct drm_device *dev = dpu_info->dev;
-
-	if (plane == MDFLD_PLANEC) {
-		pipesrc_reg = PIPECSRC;
-		dspsize_reg = DSPCSIZE;
-		dspoff_reg = DSPCLINOFF;
-		dspsurf_reg = DSPCSURF;
-		dspstride_reg = DSPCSTRIDE;
-		rect = &dpu_info->damage_pipec;
-	}
-
-	stride = REG_READ(dspstride_reg);
-	/* FIXME: should I do the pipe src update here? */
-	REG_WRITE(pipesrc_reg, ((rect->width - 1) << 16) | (rect->height - 1));
-	/* Flush plane */
-	REG_WRITE(dspsize_reg, ((rect->height - 1) << 16) | (rect->width - 1));
-	REG_WRITE(dspoff_reg, ((rect->x * 4) + (rect->y * stride)));
-	REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg));
-
-	/*
-	 * TODO: wait for flip finished and restore the pipesrc reg,
-	 * or cursor will be show at a wrong position
-	 */
-}
-
-static void mdfld_dpu_overlay_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
-						  mdfld_plane_t plane)
-{
-}
-
-/*
- * TODO: we are still in dbi normal mode now, we will try to use partial
- * mode later.
- */
-static int mdfld_dbi_prepare_cb(struct mdfld_dsi_dbi_output *dbi_output,
-				struct mdfld_dbi_dpu_info *dpu_info, int pipe)
-{
-	u8 *cb_addr = (u8 *)dbi_output->dbi_cb_addr;
-	u32 *index;
-	struct psb_drm_dpu_rect *rect = pipe ?
-		(&dpu_info->damage_pipec) : (&dpu_info->damage_pipea);
-
-	/* FIXME: lock command buffer, this may lead to a deadlock,
-	   as we already hold the dpu_update_lock */
-	if (!spin_trylock(&dbi_output->cb_lock)) {
-		DRM_ERROR("lock command buffer failed, try again\n");
-		return -EAGAIN;
-	}
-
-	index = &dbi_output->cb_write;
-
-	if (*index) {
-		DRM_ERROR("DBI command buffer unclean\n");
-		return -EAGAIN;
-	}
-
-	/* Column address */
-	*(cb_addr + ((*index)++)) = set_column_address;
-	*(cb_addr + ((*index)++)) = rect->x >> 8;
-	*(cb_addr + ((*index)++)) = rect->x;
-	*(cb_addr + ((*index)++)) = (rect->x + rect->width - 1) >> 8;
-	*(cb_addr + ((*index)++)) = (rect->x + rect->width - 1);
-
-	*index = 8;
-
-	/* Page address */
-	*(cb_addr + ((*index)++)) = set_page_addr;
-	*(cb_addr + ((*index)++)) = rect->y >> 8;
-	*(cb_addr + ((*index)++)) = rect->y;
-	*(cb_addr + ((*index)++)) = (rect->y + rect->height - 1) >> 8;
-	*(cb_addr + ((*index)++)) = (rect->y + rect->height - 1);
-
-	*index = 16;
-
-	/*write memory*/
-	*(cb_addr + ((*index)++)) = write_mem_start;
-
-	return 0;
-}
-
-static int mdfld_dbi_flush_cb(struct mdfld_dsi_dbi_output *dbi_output, int pipe)
-{
-	u32 cmd_phy = dbi_output->dbi_cb_phy;
-	u32 *index = &dbi_output->cb_write;
-	int reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	struct drm_device *dev = dbi_output->dev;
-
-	if (*index == 0 || !dbi_output)
-		return 0;
-
-	REG_WRITE((MIPIA_CMD_LEN_REG + reg_offset), 0x010505);
-	REG_WRITE((MIPIA_CMD_ADD_REG + reg_offset), cmd_phy | 3);
-
-	*index = 0;
-
-	/* FIXME: unlock command buffer */
-	spin_unlock(&dbi_output->cb_lock);
-	return 0;
-}
-
-static int mdfld_dpu_update_pipe(struct mdfld_dsi_dbi_output *dbi_output,
-				 struct mdfld_dbi_dpu_info *dpu_info, int pipe)
-{
-	struct drm_device *dev =  dbi_output->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	mdfld_plane_t cursor_plane = MDFLD_CURSORA;
-	mdfld_plane_t fb_plane = MDFLD_PLANEA;
-	mdfld_plane_t overlay_plane = MDFLD_OVERLAYA;
-	int ret = 0;
-	u32 plane_mask = MDFLD_PIPEA_PLANE_MASK;
-
-	/* Damaged rects on this pipe */
-	if (pipe) {
-		cursor_plane = MDFLD_CURSORC;
-		fb_plane = MDFLD_PLANEC;
-		overlay_plane = MDFLD_OVERLAYC;
-		plane_mask = MDFLD_PIPEC_PLANE_MASK;
-	}
-
-	/*update cursor which assigned to @pipe*/
-	if (dpu_info->pending & (1 << cursor_plane))
-		mdfld_dpu_cursor_plane_flush(dpu_info, cursor_plane);
-
-	/*update fb which assigned to @pipe*/
-	if (dpu_info->pending & (1 << fb_plane))
-		mdfld_dpu_fb_plane_flush(dpu_info, fb_plane);
-
-	/* TODO: update overlay */
-	if (dpu_info->pending & (1 << overlay_plane))
-		mdfld_dpu_overlay_plane_flush(dpu_info, overlay_plane);
-
-	/* Flush damage area to panel fb */
-	if (dpu_info->pending & plane_mask) {
-		ret = mdfld_dbi_prepare_cb(dbi_output, dpu_info, pipe);
-		/*
-		 * TODO: remove b_dsr_enable later,
-		 * added it so that text console could boot smoothly
-		 */
-		/* Clean pending flags on this pipe */
-		if (!ret && dev_priv->dsr_enable) {
-			dpu_info->pending &= ~plane_mask;
-			/* Reset overlay pipe damage rect */
-			mdfld_dpu_init_damage(dpu_info, pipe);
-		}
-	}
-	return ret;
-}
-
-static int mdfld_dpu_update_fb(struct drm_device *dev)
-{
-	struct drm_crtc *crtc;
-	struct psb_intel_crtc *psb_crtc;
-	struct mdfld_dsi_dbi_output **dbi_output;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	bool pipe_updated[2];
-	unsigned long irq_flags;
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dsplinoff_reg = DSPALINOFF;
-	u32 dspsurf_reg = DSPASURF;
-	u32 mipi_state_reg = MIPIA_INTR_STAT_REG;
-	u32 reg_offset = 0;
-	int pipe;
-	int i;
-	int ret;
-
-	dbi_output = dpu_info->dbi_outputs;
-	pipe_updated[0] = pipe_updated[1] = false;
-
-	if (!gma_power_begin(dev, true))
-		return -EAGAIN;
-
-	/* Try to prevent any new damage reports */
-	if (!spin_trylock_irqsave(&dpu_info->dpu_update_lock, irq_flags))
-		return -EAGAIN;
-
-	for (i = 0; i < dpu_info->dbi_output_num; i++) {
-		crtc = dbi_output[i]->base.base.crtc;
-		psb_crtc = (crtc) ? to_psb_intel_crtc(crtc) : NULL;
-
-		pipe = dbi_output[i]->channel_num ? 2 : 0;
-
-		if (pipe == 2) {
-			dspcntr_reg = DSPCCNTR;
-			pipeconf_reg = PIPECCONF;
-			dsplinoff_reg = DSPCLINOFF;
-			dspsurf_reg = DSPCSURF;
-			reg_offset = MIPIC_REG_OFFSET;
-		}
-
-		if (!(REG_READ((MIPIA_GEN_FIFO_STAT_REG + reg_offset))
-							& (1 << 27)) ||
-			!(REG_READ(dpll_reg) & DPLL_VCO_ENABLE) ||
-			!(REG_READ(dspcntr_reg) & DISPLAY_PLANE_ENABLE) ||
-			!(REG_READ(pipeconf_reg) & DISPLAY_PLANE_ENABLE)) {
-			dev_err(dev->dev,
-				"DBI FIFO is busy, DSI %d state %x\n",
-				pipe,
-				REG_READ(mipi_state_reg + reg_offset));
-			continue;
-		}
-
-		/*
-		 *	If DBI output is in a exclusive state then the pipe
-		 *	change won't be updated
-		 */
-		if (dbi_output[i]->dbi_panel_on &&
-		   !(dbi_output[i]->mode_flags & MODE_SETTING_ON_GOING) &&
-		   !(psb_crtc &&
-			psb_crtc->mode_flags & MODE_SETTING_ON_GOING) &&
-		   !(dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)) {
-			ret = mdfld_dpu_update_pipe(dbi_output[i],
-				dpu_info, dbi_output[i]->channel_num ? 2 : 0);
-			if (!ret)
-				pipe_updated[i] = true;
-		}
-	}
-
-	for (i = 0; i < dpu_info->dbi_output_num; i++)
-		if (pipe_updated[i])
-			mdfld_dbi_flush_cb(dbi_output[i],
-				dbi_output[i]->channel_num ? 2 : 0);
-
-	spin_unlock_irqrestore(&dpu_info->dpu_update_lock, irq_flags);
-	gma_power_end(dev);
-	return 0;
-}
-
-static int __mdfld_dbi_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output,
-								int pipe)
-{
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_crtc *crtc = dbi_output->base.base.crtc;
-	struct psb_intel_crtc *psb_crtc = (crtc) ? to_psb_intel_crtc(crtc)
-								: NULL;
-	u32 reg_val;
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 dspbase_reg = DSPABASE;
-	u32 dspsurf_reg = DSPASURF;
-	u32 reg_offset = 0;
-
-	if (!dbi_output)
-		return 0;
-
-	/* If mode setting on-going, back off */
-	if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-		(psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING))
-		return -EAGAIN;
-
-	if (pipe == 2) {
-		dpll_reg = MRST_DPLL_A;
-		pipeconf_reg = PIPECCONF;
-		dspcntr_reg = DSPCCNTR;
-		dspbase_reg = MDFLD_DSPCBASE;
-		dspsurf_reg = DSPCSURF;
-
-		reg_offset = MIPIC_REG_OFFSET;
-	}
-
-	if (!gma_power_begin(dev, true))
-		return -EAGAIN;
-
-	/* Enable DPLL */
-	reg_val = REG_READ(dpll_reg);
-	if (!(reg_val & DPLL_VCO_ENABLE)) {
-
-		if (reg_val & MDFLD_PWR_GATE_EN) {
-			reg_val &= ~MDFLD_PWR_GATE_EN;
-			REG_WRITE(dpll_reg, reg_val);
-			REG_READ(dpll_reg);
-			udelay(500);
-		}
-
-		reg_val |= DPLL_VCO_ENABLE;
-		REG_WRITE(dpll_reg, reg_val);
-		REG_READ(dpll_reg);
-		udelay(500);
-
-		/* FIXME: add timeout */
-		while (!(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK))
-			cpu_relax();
-	}
-
-	/* Enable pipe */
-	reg_val = REG_READ(pipeconf_reg);
-	if (!(reg_val & PIPEACONF_ENABLE)) {
-		reg_val |= PIPEACONF_ENABLE;
-		REG_WRITE(pipeconf_reg, reg_val);
-		REG_READ(pipeconf_reg);
-		udelay(500);
-		mdfldWaitForPipeEnable(dev, pipe);
-	}
-
-	/* Enable plane */
-	reg_val = REG_READ(dspcntr_reg);
-	if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-		reg_val |= DISPLAY_PLANE_ENABLE;
-		REG_WRITE(dspcntr_reg, reg_val);
-		REG_READ(dspcntr_reg);
-		udelay(500);
-	}
-
-	gma_power_end(dev);
-
-	/* Clean IN_DSR flag */
-	dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR;
-
-	return 0;
-}
-
-int mdfld_dpu_exit_dsr(struct drm_device *dev)
-{
-	struct mdfld_dsi_dbi_output **dbi_output;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	int i;
-	int pipe;
-
-	dbi_output = dpu_info->dbi_outputs;
-
-	for (i = 0; i < dpu_info->dbi_output_num; i++) {
-		/* If this output is not in DSR mode, don't call exit dsr */
-		if (dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)
-			__mdfld_dbi_exit_dsr(dbi_output[i],
-					dbi_output[i]->channel_num ? 2 : 0);
-	}
-
-	/* Enable TE interrupt */
-	for (i = 0; i < dpu_info->dbi_output_num; i++) {
-		/* If this output is not in DSR mode, don't call exit dsr */
-		pipe = dbi_output[i]->channel_num ? 2 : 0;
-		if (dbi_output[i]->dbi_panel_on && pipe) {
-			mdfld_disable_te(dev, 0);
-			mdfld_enable_te(dev, 2);
-		} else if (dbi_output[i]->dbi_panel_on && !pipe) {
-			mdfld_disable_te(dev, 2);
-			mdfld_enable_te(dev, 0);
-		}
-	}
-	return 0;
-}
-
-static int mdfld_dpu_enter_dsr(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	struct mdfld_dsi_dbi_output **dbi_output;
-	int i;
-
-	dbi_output = dpu_info->dbi_outputs;
-
-	for (i = 0; i < dpu_info->dbi_output_num; i++) {
-		/* If output is off or already in DSR state, don't re-enter */
-		if (dbi_output[i]->dbi_panel_on &&
-		   !(dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)) {
-			mdfld_dsi_dbi_enter_dsr(dbi_output[i],
-				dbi_output[i]->channel_num ? 2 : 0);
-		}
-	}
-
-	return 0;
-}
-
-static void mdfld_dbi_dpu_timer_func(unsigned long data)
-{
-	struct drm_device *dev = (struct drm_device *)data;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	struct timer_list *dpu_timer = &dpu_info->dpu_timer;
-	unsigned long flags;
-
-	if (dpu_info->pending) {
-		dpu_info->idle_count = 0;
-		/* Update panel fb with damaged area */
-		mdfld_dpu_update_fb(dev);
-	} else {
-		dpu_info->idle_count++;
-	}
-
-	if (dpu_info->idle_count >= MDFLD_MAX_IDLE_COUNT) {
-		mdfld_dpu_enter_dsr(dev);
-		/* Stop timer by return */
-		return;
-	}
-
-	spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
-	if (!timer_pending(dpu_timer)) {
-		dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
-		add_timer(dpu_timer);
-	}
-	spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
-}
-
-void mdfld_dpu_update_panel(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-	if (dpu_info->pending) {
-		dpu_info->idle_count = 0;
-
-		/*update panel fb with damaged area*/
-		mdfld_dpu_update_fb(dev);
-	} else {
-		dpu_info->idle_count++;
-	}
-
-	if (dpu_info->idle_count >= MDFLD_MAX_IDLE_COUNT) {
-		/*enter dsr*/
-		mdfld_dpu_enter_dsr(dev);
-	}
-}
-
-static int mdfld_dbi_dpu_timer_init(struct drm_device *dev,
-				struct mdfld_dbi_dpu_info *dpu_info)
-{
-	struct timer_list *dpu_timer = &dpu_info->dpu_timer;
-	unsigned long flags;
-
-	spin_lock_init(&dpu_info->dpu_timer_lock);
-	spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
-
-	init_timer(dpu_timer);
-
-	dpu_timer->data = (unsigned long)dev;
-	dpu_timer->function = mdfld_dbi_dpu_timer_func;
-	dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
-
-	spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
-
-	return 0;
-}
-
-void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info)
-{
-	struct timer_list *dpu_timer = &dpu_info->dpu_timer;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
-	if (!timer_pending(dpu_timer)) {
-		dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
-		add_timer(dpu_timer);
-	}
-	spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
-}
-
-int mdfld_dbi_dpu_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-	if (!dpu_info || IS_ERR(dpu_info)) {
-		dpu_info = kzalloc(sizeof(struct mdfld_dbi_dpu_info),
-								GFP_KERNEL);
-		if (!dpu_info) {
-			DRM_ERROR("No memory\n");
-			return -ENOMEM;
-		}
-		dev_priv->dbi_dpu_info = dpu_info;
-	}
-
-	dpu_info->dev = dev;
-
-	dpu_info->cursors[0].size = MDFLD_CURSOR_SIZE;
-	dpu_info->cursors[1].size = MDFLD_CURSOR_SIZE;
-
-	/*init dpu_update_lock*/
-	spin_lock_init(&dpu_info->dpu_update_lock);
-
-	/*init dpu refresh timer*/
-	mdfld_dbi_dpu_timer_init(dev, dpu_info);
-
-	/*init pipe damage area*/
-	mdfld_dpu_init_damage(dpu_info, 0);
-	mdfld_dpu_init_damage(dpu_info, 2);
-
-	return 0;
-}
-
-void mdfld_dbi_dpu_exit(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-	if (!dpu_info)
-		return;
-
-	del_timer_sync(&dpu_info->dpu_timer);
-	kfree(dpu_info);
-	dev_priv->dbi_dpu_info = NULL;
-}
-
-
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h
deleted file mode 100644
index 42367ed48c08..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DBI_DPU_H__
-#define __MDFLD_DSI_DBI_DPU_H__
-
-#include "mdfld_dsi_dbi.h"
-
-typedef enum {
-	MDFLD_PLANEA,
-	MDFLD_PLANEC,
-	MDFLD_CURSORA,
-	MDFLD_CURSORC,
-	MDFLD_OVERLAYA,
-	MDFLD_OVERLAYC,
-	MDFLD_PLANE_NUM,
-} mdfld_plane_t;
-
-#define MDFLD_PIPEA_PLANE_MASK	0x15
-#define MDFLD_PIPEC_PLANE_MASK	0x2A
-
-struct mdfld_cursor_info {
-	int x, y;
-	int size;
-};
-
-#define MDFLD_CURSOR_SIZE	64
-
-/*
- * enter DSR mode if screen has no update for 2 frames.
- */
-#define MDFLD_MAX_IDLE_COUNT	2
-
-struct mdfld_dbi_dpu_info {
-	struct drm_device *dev;
-	/* Lock */
-	spinlock_t dpu_update_lock;
-
-	/* Cursor postion */
-	struct mdfld_cursor_info cursors[2];
-
-	/* Damaged area for each plane */
-	struct psb_drm_dpu_rect damaged_rects[MDFLD_PLANE_NUM];
-
-	/* Final damaged area */
-	struct psb_drm_dpu_rect damage_pipea;
-	struct psb_drm_dpu_rect damage_pipec;
-
-	/* Pending */
-	u32 pending;
-
-	/* DPU timer */
-	struct timer_list dpu_timer;
-	spinlock_t dpu_timer_lock;
-
-	/* DPU idle count */
-	u32 idle_count;
-
-	/* DSI outputs */
-	struct mdfld_dsi_dbi_output *dbi_outputs[2];
-	int dbi_output_num;
-};
-
-static inline int mdfld_dpu_region_extent(struct psb_drm_dpu_rect *origin,
-			 struct psb_drm_dpu_rect *rect)
-{
-	int x1, y1, x2, y2;
-
-	x1 = origin->x + origin->width;
-	y1 = origin->y + origin->height;
-
-	x2 = rect->x + rect->width;
-	y2 = rect->y + rect->height;
-
-	origin->x = min(origin->x, rect->x);
-	origin->y = min(origin->y, rect->y);
-	origin->width = max(x1, x2) - origin->x;
-	origin->height = max(y1, y2) - origin->y;
-
-	return 0;
-}
-
-static inline void mdfld_check_boundary(struct mdfld_dbi_dpu_info *dpu_info,
-				struct psb_drm_dpu_rect *rect)
-{
-	if (rect->x < 0)
-		rect->x = 0;
-	if (rect->y < 0)
-		rect->y = 0;
-
-	if (rect->x + rect->width > 864)
-		rect->width = 864 - rect->x;
-	if (rect->y + rect->height > 480)
-		rect->height = 480 - rect->height;
-
-	if (!rect->width)
-		rect->width = 1;
-	if (!rect->height)
-		rect->height = 1;
-}
-
-static inline void mdfld_dpu_init_damage(struct mdfld_dbi_dpu_info *dpu_info,
-				int pipe)
-{
-	struct psb_drm_dpu_rect *rect;
-
-	if (pipe == 0)
-		rect = &dpu_info->damage_pipea;
-	else
-		rect = &dpu_info->damage_pipec;
-
-	rect->x = 864;
-	rect->y = 480;
-	rect->width = -864;
-	rect->height = -480;
-}
-
-extern int mdfld_dsi_dbi_dsr_off(struct drm_device *dev,
-				struct psb_drm_dpu_rect *rect);
-extern int mdfld_dbi_dpu_report_damage(struct drm_device *dev,
-				mdfld_plane_t plane,
-				struct psb_drm_dpu_rect *rect);
-extern int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev);
-extern int mdfld_dpu_exit_dsr(struct drm_device *dev);
-extern void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info);
-extern int mdfld_dbi_dpu_init(struct drm_device *dev);
-extern void mdfld_dbi_dpu_exit(struct drm_device *dev);
-extern void mdfld_dpu_update_panel(struct drm_device *dev);
-
-#endif /*__MDFLD_DSI_DBI_DPU_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_dpi.c b/drivers/staging/gma500/mdfld_dsi_dpi.c
deleted file mode 100644
index e685f1217baa..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dpi.c
+++ /dev/null
@@ -1,805 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-
-static void mdfld_wait_for_HS_DATA_FIFO(struct drm_device *dev, u32 pipe)
-{
-	u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-	int timeout = 0;
-
-	if (pipe == 2)
-		gen_fifo_stat_reg += MIPIC_REG_OFFSET;
-
-	udelay(500);
-
-	/* This will time out after approximately 2+ seconds */
-	while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_DATA_FULL)) {
-		udelay(100);
-		timeout++;
-	}
-
-	if (timeout == 20000)
-		dev_warn(dev->dev, "MIPI: HS Data FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_HS_CTRL_FIFO(struct drm_device *dev, u32 pipe)
-{
-	u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-	int timeout = 0;
-
-	if (pipe == 2)
-		gen_fifo_stat_reg += MIPIC_REG_OFFSET;
-
-	udelay(500);
-
-	/* This will time out after approximately 2+ seconds */
-	while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_CTRL_FULL)) {
-		udelay(100);
-		timeout++;
-	}
-	if (timeout == 20000)
-		dev_warn(dev->dev, "MIPI: HS CMD FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_DPI_CTRL_FIFO(struct drm_device *dev, u32 pipe)
-{
-	u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-        int timeout = 0;
-
-	if (pipe == 2)
-		gen_fifo_stat_reg += MIPIC_REG_OFFSET;
-
-        udelay(500);
-
-        /* This will time out after approximately 2+ seconds */
-        while ((timeout < 20000) && ((REG_READ(gen_fifo_stat_reg) & DPI_FIFO_EMPTY)
-                                                        != DPI_FIFO_EMPTY)) {
-                udelay(100);
-                timeout++;
-        }
-
-        if (timeout == 20000)
-                dev_warn(dev->dev, "MIPI: DPI FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_SPL_PKG_SENT(struct drm_device *dev, u32 pipe)
-{
-	u32 intr_stat_reg = MIPIA_INTR_STAT_REG;
-	int timeout = 0;
-
-	if (pipe == 2)
-		intr_stat_reg += MIPIC_REG_OFFSET;
-
-        udelay(500);
-
-        /* This will time out after approximately 2+ seconds */
-        while ((timeout < 20000) && (!(REG_READ(intr_stat_reg) & DSI_INTR_STATE_SPL_PKG_SENT))) {
-                udelay(100);
-                timeout++;
-        }
-
-        if (timeout == 20000)
-                dev_warn(dev->dev, "MIPI: SPL_PKT_SENT_INTERRUPT was not sent successfully!\n");
-}
-
-
-/* ************************************************************************* *\
- * FUNCTION: mdfld_dsi_tpo_ic_init
- *
- * DESCRIPTION:  This function is called only by mrst_dsi_mode_set and
- *               restore_display_registers.  since this function does not
- *               acquire the mutex, it is important that the calling function
- *               does!
-\* ************************************************************************* */
-void mdfld_dsi_tpo_ic_init(struct mdfld_dsi_config *dsi_config, u32 pipe)
-{
-	struct drm_device *dev = dsi_config->dev;
-	u32 dcsChannelNumber = dsi_config->channel_num;
-	u32 gen_data_reg = MIPIA_HS_GEN_DATA_REG; 
-	u32 gen_ctrl_reg = MIPIA_HS_GEN_CTRL_REG;
-	u32 gen_ctrl_val = GEN_LONG_WRITE;
-
-	if (pipe == 2) {
-		gen_data_reg = HS_GEN_DATA_REG + MIPIC_REG_OFFSET; 
-		gen_ctrl_reg = HS_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-	}
-
-	gen_ctrl_val |= dcsChannelNumber << DCS_CHANNEL_NUMBER_POS;
-
-	/* Flip page order */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00008036);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
-
-	/* 0xF0 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x005a5af0);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-	/* Write protection key */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x005a5af1);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-	/* 0xFC */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x005a5afc);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-	/* 0xB7 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x770000b7);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000044);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x05 << WORD_COUNTS_POS));
-
-	/* 0xB6 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x000a0ab6);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-	/* 0xF2 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x081010f2);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x4a070708);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x000000c5);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
-	/* 0xF8 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x024003f8);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x01030a04);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x0e020220);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000004);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x0d << WORD_COUNTS_POS));
-
-	/* 0xE2 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x398fc3e2);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x0000916f);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x06 << WORD_COUNTS_POS));
-
-	/* 0xB0 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x000000b0);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
-
-	/* 0xF4 */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x240242f4);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x78ee2002);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x2a071050);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x507fee10);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x10300710);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x14 << WORD_COUNTS_POS));
-
-	/* 0xBA */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x19fe07ba);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x101c0a31);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000010);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
-	/* 0xBB */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x28ff07bb);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x24280a31);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000034);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
-	/* 0xFB */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x535d05fb);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1b1a2130);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x221e180e);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x131d2120);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x535d0508);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1c1a2131);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x231f160d);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x111b2220);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x535c2008);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1f1d2433);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x2c251a10);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x2c34372d);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000023);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
-
-	/* 0xFA */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x525c0bfa);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1c1c232f);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x2623190e);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x18212625);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x545d0d0e);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1e1d2333);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x26231a10);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x1a222725);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x545d280f);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x21202635);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x31292013);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x31393d33);
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x00000029);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
-
-	/* Set DM */
-	mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-	REG_WRITE(gen_data_reg, 0x000100f7);
-	mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-	REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-}
-
-static u16 mdfld_dsi_dpi_to_byte_clock_count(int pixel_clock_count,
-						int num_lane, int bpp)
-{
-	return (u16)((pixel_clock_count * bpp) / (num_lane * 8)); 
-}
-
-/*
- * Calculate the dpi time basing on a given drm mode @mode
- * return 0 on success.
- * FIXME: I was using proposed mode value for calculation, may need to 
- * use crtc mode values later 
- */
-int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode, 
-			struct mdfld_dsi_dpi_timing *dpi_timing,
-			int num_lane, int bpp)
-{
-	int pclk_hsync, pclk_hfp, pclk_hbp, pclk_hactive;
-	int pclk_vsync, pclk_vfp, pclk_vbp, pclk_vactive;
-	
-	if(!mode || !dpi_timing) {
-		DRM_ERROR("Invalid parameter\n");
-		return -EINVAL;
-	}
-	
-	pclk_hactive = mode->hdisplay;
-	pclk_hfp = mode->hsync_start - mode->hdisplay;
-	pclk_hsync = mode->hsync_end - mode->hsync_start;
-	pclk_hbp = mode->htotal - mode->hsync_end;
-	
-	pclk_vactive = mode->vdisplay;
-	pclk_vfp = mode->vsync_start - mode->vdisplay;
-	pclk_vsync = mode->vsync_end - mode->vsync_start;
-	pclk_vbp = mode->vtotal - mode->vsync_end;
-
-	/*
-	 * byte clock counts were calculated by following formula
-	 * bclock_count = pclk_count * bpp / num_lane / 8
-	 */
-	dpi_timing->hsync_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hsync, num_lane, bpp);
-	dpi_timing->hbp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hbp, num_lane, bpp);
-	dpi_timing->hfp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hfp, num_lane, bpp);
-	dpi_timing->hactive_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hactive, num_lane, bpp);
-	dpi_timing->vsync_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vsync, num_lane, bpp);
-	dpi_timing->vbp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vbp, num_lane, bpp);
-	dpi_timing->vfp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vfp, num_lane, bpp);
-
-	return 0; 
-}
-
-void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-	struct drm_device *dev = dsi_config->dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int lane_count = dsi_config->lane_count;
-	struct mdfld_dsi_dpi_timing dpi_timing;
-	struct drm_display_mode *mode = dsi_config->mode;
-	u32 val = 0;
-	
-	/*un-ready device*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-	
-	/*init dsi adapter before kicking off*/
-	REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-	
-	/*enable all interrupts*/
-	REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-	
-
-	/*set up func_prg*/
-	val |= lane_count;
-	val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET;
-		
-	switch(dsi_config->bpp) {
-	case 16:
-		val |= DSI_DPI_COLOR_FORMAT_RGB565;
-		break;
-	case 18:
-		val |= DSI_DPI_COLOR_FORMAT_RGB666;
-		break;
-	case 24:
-		val |= DSI_DPI_COLOR_FORMAT_RGB888;
-		break;
-	default:
-		DRM_ERROR("unsupported color format, bpp = %d\n", dsi_config->bpp);
-	}
-	REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-	
-	REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 
-			(mode->vtotal * mode->htotal * dsi_config->bpp / (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK);
-	REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff & DSI_LP_RX_TIMEOUT_MASK);
-	
-	/*max value: 20 clock cycles of txclkesc*/
-	REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK);
-	
-	/*min 21 txclkesc, max: ffffh*/
-	REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0xffff & DSI_RESET_TIMER_MASK);
-
-	REG_WRITE((MIPIA_DPI_RESOLUTION_REG + reg_offset), mode->vdisplay << 16 | mode->hdisplay);
-	
-	/*set DPI timing registers*/
-	mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing, dsi_config->lane_count, dsi_config->bpp);
-	
-	REG_WRITE((MIPIA_HSYNC_COUNT_REG + reg_offset), dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HBP_COUNT_REG + reg_offset), dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HFP_COUNT_REG + reg_offset), dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HACTIVE_COUNT_REG + reg_offset), dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VSYNC_COUNT_REG + reg_offset), dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VBP_COUNT_REG + reg_offset), dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VFP_COUNT_REG + reg_offset), dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
-	
-	REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-	
-	/*min: 7d0 max: 4e20*/
-	REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x000007d0);
-	
-	/*set up video mode*/
-	val = 0;
-	val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE;
-	REG_WRITE((MIPIA_VIDEO_MODE_FORMAT_REG + reg_offset), val);
-	
-	REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-	
-	REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-	
-	/*TODO: figure out how to setup these registers*/
-	REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-	
-	REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), (0xa << 16) | 0x14);
-	/*set device ready*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output, int pipe)
-{
-	struct drm_device *dev = output->dev;
-	u32 reg_offset = 0;
-	
-	if(output->panel_on) 
-		return;
-		
-	if(pipe) 
-		reg_offset = MIPIC_REG_OFFSET;
-
-	/* clear special packet sent bit */
-	if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-		REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-	}
-		
-	/*send turn on package*/
-	REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_TURN_ON);
-	
-	/*wait for SPL_PKG_SENT interrupt*/
-	mdfld_wait_for_SPL_PKG_SENT(dev, pipe);
-	
-	if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-		REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-	}
-
-	output->panel_on = 1;
-
-	/* FIXME the following is disabled to WA the X slow start issue for TMD panel */
-	/* if(pipe == 2) */
-	/* 	dev_priv->dpi_panel_on2 = true; */
-	/* else if (pipe == 0) */
-	/* 	dev_priv->dpi_panel_on = true; */
-}
-
-static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output, int pipe)
-{
-	struct drm_device *dev = output->dev;
-	u32 reg_offset = 0;
-	
-	/*if output is on, or mode setting didn't happen, ignore this*/
-	if((!output->panel_on) || output->first_boot) {
-		output->first_boot = 0; 
-		return;
-	}
-	
-	if(pipe)
-		reg_offset = MIPIC_REG_OFFSET;
-
-	/* Wait for dpi fifo to empty */
-	mdfld_wait_for_DPI_CTRL_FIFO(dev, pipe);
-
-	/* Clear the special packet interrupt bit if set */
-	if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-		REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-	}
-	
-	if(REG_READ(MIPIA_DPI_CONTROL_REG + reg_offset) == DSI_DPI_CTRL_HS_SHUTDOWN) {
-		dev_warn(dev->dev, "try to send the same package again, abort!");
-		goto shutdown_out;
-	}
-	
-	REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_SHUTDOWN);
-
-shutdown_out:
-	output->panel_on = 0;
-	output->first_boot = 0;
-
-	/* FIXME the following is disabled to WA the X slow start issue for TMD panel */
-	/* if(pipe == 2) */
-	/* 	dev_priv->dpi_panel_on2 = false; */
-	/* else if (pipe == 0) */
-	/* 	dev_priv->dpi_panel_on = false;	 */
-	/* #ifdef CONFIG_PM_RUNTIME*/ 
-	/*	if (drm_psb_ospm && !enable_gfx_rtpm) { */
-	/*		pm_runtime_allow(&gpDrmDevice->pdev->dev); */
-	/*	schedule_delayed_work(&dev_priv->rtpm_work, 30 * 1000); */
-	/* } */
-	/*if (enable_gfx_rtpm) */
-	/*		pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay); */
-	/* #endif */
-}
-
-void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
-	struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
-	int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
-	struct drm_device *dev = dsi_config->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 mipi_reg = MIPI;
-	u32 pipeconf_reg = PIPEACONF;
-	
-	if(pipe) {
-		mipi_reg = MIPI_C;
-		pipeconf_reg = PIPECCONF;
-	}
-	
-	/* Start up display island if it was shutdown */
-	if (!gma_power_begin(dev, true))
-		return;
-
-	if(on) {
-		if (mdfld_get_panel_type(dev, pipe) == TMD_VID){
- 			mdfld_dsi_dpi_turn_on(dpi_output, pipe);
- 		} else {
-			/* Enable mipi port */
-			REG_WRITE(mipi_reg, (REG_READ(mipi_reg) | (1 << 31)));
-			REG_READ(mipi_reg);
-
-			mdfld_dsi_dpi_turn_on(dpi_output, pipe);
-			mdfld_dsi_tpo_ic_init(dsi_config, pipe);
-		}
-
-		if(pipe == 2) {
-			dev_priv->dpi_panel_on2 = true;
-		}
-		else {
-			dev_priv->dpi_panel_on  = true;
-		}
-
-	} else {
- 		if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
- 			mdfld_dsi_dpi_shut_down(dpi_output, pipe);
- 		} else {
-			mdfld_dsi_dpi_shut_down(dpi_output, pipe);
-			/* Disable mipi port */
-			REG_WRITE(mipi_reg, (REG_READ(mipi_reg) & ~(1<<31)));
-			REG_READ(mipi_reg);
-		}
-
-		if(pipe == 2)
-			dev_priv->dpi_panel_on2 = false;
-		else
-			dev_priv->dpi_panel_on  = false;
-	}
-	gma_power_end(dev);
-}
-
-void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode)
-{
-	dev_dbg(encoder->dev->dev, "DPMS %s\n",
-			(mode == DRM_MODE_DPMS_ON ? "on":"off"));
-
-	if (mode == DRM_MODE_DPMS_ON)
-		mdfld_dsi_dpi_set_power(encoder, true);
-	else {
-		mdfld_dsi_dpi_set_power(encoder, false);
-#if 0 /* FIXME */
-#ifdef CONFIG_PM_RUNTIME
-		if (enable_gfx_rtpm)
-			pm_schedule_suspend(&gpDrmDevice->pdev->dev, gfxrtdelay);
-#endif
-#endif
-	}
-}
-
-bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
-				     struct drm_display_mode *mode,
-				     struct drm_display_mode *adjusted_mode)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
-	struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
-
-	if(fixed_mode) {
-		adjusted_mode->hdisplay = fixed_mode->hdisplay;
-		adjusted_mode->hsync_start = fixed_mode->hsync_start;
-		adjusted_mode->hsync_end = fixed_mode->hsync_end;
-		adjusted_mode->htotal = fixed_mode->htotal;
-		adjusted_mode->vdisplay = fixed_mode->vdisplay;
-		adjusted_mode->vsync_start = fixed_mode->vsync_start;
-		adjusted_mode->vsync_end = fixed_mode->vsync_end;
-		adjusted_mode->vtotal = fixed_mode->vtotal;
-		adjusted_mode->clock = fixed_mode->clock;
-		drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
-	}
-	
-	return true;
-}
-
-void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder) 
-{
-	mdfld_dsi_dpi_set_power(encoder, false);
-}
-
-void mdfld_dsi_dpi_commit(struct drm_encoder *encoder) 
-{
-	mdfld_dsi_dpi_set_power(encoder, true);
-}
-
-void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
-				   struct drm_display_mode *mode,
-				   struct drm_display_mode *adjusted_mode)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
-	struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
-	struct drm_device *dev = dsi_config->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
-	
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 mipi_reg = MIPI;
-	u32 reg_offset = 0;
-	
-	u32 pipeconf = dev_priv->pipeconf;
-	u32 dspcntr = dev_priv->dspcntr;
-	u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
-	
-	dev_dbg(dev->dev, "set mode %dx%d on pipe %d\n",
-				mode->hdisplay, mode->vdisplay, pipe);
-
-	if(pipe) {
-		pipeconf_reg = PIPECCONF;
-		dspcntr_reg = DSPCCNTR;
-		mipi_reg = MIPI_C;
-		reg_offset = MIPIC_REG_OFFSET;
-	} else {
-		mipi |= 2;
-	}
-	
-	if (!gma_power_begin(dev, true))
-		return;
-
-	/* Set up mipi port FIXME: do at init time */
-	REG_WRITE(mipi_reg, mipi);
-	REG_READ(mipi_reg);
-
-	/* Set up DSI controller DPI interface */
-	mdfld_dsi_dpi_controller_init(dsi_config, pipe);
-
-	if (mdfld_get_panel_type(dev, pipe) != TMD_VID) {
-		/* Turn on DPI interface */
-		mdfld_dsi_dpi_turn_on(dpi_output, pipe);
-	}
-	
-	/* Set up pipe */
-	REG_WRITE(pipeconf_reg, pipeconf);
-	REG_READ(pipeconf_reg);
-	
-	/* Set up display plane */
-	REG_WRITE(dspcntr_reg, dspcntr);
-	REG_READ(dspcntr_reg);
-	
-	msleep(20); /* FIXME: this should wait for vblank */
-	
-	dev_dbg(dev->dev, "State %x, power %d\n",
-		REG_READ(MIPIA_INTR_STAT_REG + reg_offset),
-		dpi_output->panel_on);
-
-	if (mdfld_get_panel_type(dev, pipe) != TMD_VID) {
-		/* Init driver ic */
-		mdfld_dsi_tpo_ic_init(dsi_config, pipe);
-		/* Init backlight */
-		mdfld_dsi_brightness_init(dsi_config, pipe);
-	}
-	gma_power_end(dev);
-}
-
-
-/*
- * Init DSI DPI encoder. 
- * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector
- * return pointer of newly allocated DPI encoder, NULL on error
- */ 
-struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev, 
-				struct mdfld_dsi_connector *dsi_connector,
-				struct panel_funcs *p_funcs)
-{
-	struct mdfld_dsi_dpi_output *dpi_output = NULL;
-	struct mdfld_dsi_config *dsi_config;
-	struct drm_connector *connector = NULL;
-	struct drm_encoder *encoder = NULL;
-	struct drm_display_mode *fixed_mode = NULL;
-	int pipe;
-	u32 data;
-	int ret;
-
-	if (!dsi_connector || !p_funcs) {
-		WARN_ON(1);
-		return NULL;
-	}
-
-	dsi_config = mdfld_dsi_get_config(dsi_connector);
-	pipe = dsi_connector->pipe;
-
-	/* Panel hard-reset */
-	if (p_funcs->reset) {
-		ret = p_funcs->reset(pipe);
-		if (ret) {
-			DRM_ERROR("Panel %d hard-reset failed\n", pipe);
-			return NULL;
-		}
-	}
-
-	/* Panel drvIC init */
-	if (p_funcs->drv_ic_init)
-		p_funcs->drv_ic_init(dsi_config, pipe);
-
-	/* Panel power mode detect */
-	ret = mdfld_dsi_get_power_mode(dsi_config,
-					&data,
-					MDFLD_DSI_LP_TRANSMISSION);
-	if (ret) {
-		DRM_ERROR("Panel %d get power mode failed\n", pipe);
-		dsi_connector->status = connector_status_disconnected;
-	} else {
-		DRM_INFO("pipe %d power mode 0x%x\n", pipe, data);
-		dsi_connector->status = connector_status_connected;
-	}
-
-	dpi_output = kzalloc(sizeof(struct mdfld_dsi_dpi_output), GFP_KERNEL);
-	if(!dpi_output) {
-		dev_err(dev->dev, "No memory for dsi_dpi_output\n");
-		return NULL;
-	}
-
-	if(dsi_connector->pipe) 
-		dpi_output->panel_on = 0;
-	else
-		dpi_output->panel_on = 0;
-	
-	dpi_output->dev = dev;
-	dpi_output->p_funcs = p_funcs;
-	dpi_output->first_boot = 1;
-	
-	/* Get fixed mode */
-	dsi_config = mdfld_dsi_get_config(dsi_connector);
-	fixed_mode = dsi_config->fixed_mode;
-	
-	/* Create drm encoder object */
-	connector = &dsi_connector->base.base;
-	encoder = &dpi_output->base.base;
-	/*
-	 * On existing hardware this will be a panel of some form,
-	 * if future devices also have HDMI bridges this will need
-	 * revisiting
-	 */
-	drm_encoder_init(dev,
-			encoder,
-			p_funcs->encoder_funcs,
-			DRM_MODE_ENCODER_LVDS);
-	drm_encoder_helper_add(encoder,
-				p_funcs->encoder_helper_funcs);
-	
-	/* Attach to given connector */
-	drm_mode_connector_attach_encoder(connector, encoder);
-	
-	/* Set possible crtcs and clones */
-	if(dsi_connector->pipe) {
-		encoder->possible_crtcs = (1 << 2);
-		encoder->possible_clones = (1 << 1);
-	} else {
-		encoder->possible_crtcs = (1 << 0);
-		encoder->possible_clones = (1 << 0);
-	}
-	return &dpi_output->base;
-}
-
diff --git a/drivers/staging/gma500/mdfld_dsi_dpi.h b/drivers/staging/gma500/mdfld_dsi_dpi.h
deleted file mode 100644
index ed92d45ee74a..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dpi.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DPI_H__
-#define __MDFLD_DSI_DPI_H__
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-struct mdfld_dsi_dpi_timing {
-	u16 hsync_count;
-	u16 hbp_count;
-	u16 hfp_count;
-	u16 hactive_count;
-	u16 vsync_count;
-	u16 vbp_count;
-	u16 vfp_count;
-};
-
-struct mdfld_dsi_dpi_output {
-	struct mdfld_dsi_encoder base;
-	struct drm_device *dev;
-
-	int panel_on;
-	int first_boot;
-
-	struct panel_funcs *p_funcs;
-};
-
-#define MDFLD_DSI_DPI_OUTPUT(dsi_encoder) \
-	container_of(dsi_encoder, struct mdfld_dsi_dpi_output, base)
-
-extern int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode,
-			struct mdfld_dsi_dpi_timing *dpi_timing,
-			int num_lane, int bpp);
-extern struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
-			struct mdfld_dsi_connector *dsi_connector,
-			struct panel_funcs *p_funcs);
-
-/* Medfield DPI helper functions */
-extern void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode);
-extern bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
-			struct drm_display_mode *mode,
-			struct drm_display_mode *adjusted_mode);
-extern void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder);
-extern void mdfld_dsi_dpi_commit(struct drm_encoder *encoder);
-extern void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
-			struct drm_display_mode *mode,
-			struct drm_display_mode *adjusted_mode);
-extern void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output,
-			int pipe);
-extern void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *si_config,
-			int pipe);
-#endif /*__MDFLD_DSI_DPI_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_output.c b/drivers/staging/gma500/mdfld_dsi_output.c
deleted file mode 100644
index 3f979db2c3a5..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_output.c
+++ /dev/null
@@ -1,1014 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_output.h"
-#include <asm/intel_scu_ipc.h>
-#include "mdfld_dsi_pkg_sender.h"
-#include <linux/pm_runtime.h>
-#include <linux/moduleparam.h>
-
-#define MDFLD_DSI_BRIGHTNESS_MAX_LEVEL 100
-
-static int CABC_control = 1;
-static int LABC_control = 1;
-
-module_param (CABC_control, int, 0644);
-module_param (LABC_control, int, 0644);
-
-/**
- * make these MCS command global 
- * we don't need 'movl' everytime we send them.
- * FIXME: these datas were provided by OEM, we should get them from GCT.
- **/
-static u32 mdfld_dbi_mcs_hysteresis[] = {
-	0x42000f57, 0x8c006400, 0xff00bf00, 0xffffffff,
-	0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
-	0x38000aff, 0x82005000, 0xff00ab00, 0xffffffff,
-	0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
-	0x000000ff,
-};
-
-static u32 mdfld_dbi_mcs_display_profile[] = {
-	0x50281450, 0x0000c882, 0x00000000, 0x00000000,
-	0x00000000,
-};
-
-static u32 mdfld_dbi_mcs_kbbc_profile[] = {
-	0x00ffcc60, 0x00000000, 0x00000000, 0x00000000,
-}; 
-	
-static u32 mdfld_dbi_mcs_gamma_profile[] = {
-	0x81111158, 0x88888888, 0x88888888,
-}; 
-
-/*
- * write hysteresis values.
- */
-static void mdfld_dsi_write_hysteresis (struct mdfld_dsi_config *dsi_config,
-                                                                int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if(!sender) {
-	        WARN_ON(1);
-		return;
-	}
-	mdfld_dsi_send_mcs_long_hs(sender,
-				   mdfld_dbi_mcs_hysteresis,
-				   17,
-				   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * write display profile values.
- */
-static void mdfld_dsi_write_display_profile(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if(!sender) {
-	        WARN_ON(1);
-		return;
-        }
-	mdfld_dsi_send_mcs_long_hs(sender,
-				   mdfld_dbi_mcs_display_profile,
-				   5,
-				   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * write KBBC profile values.
- */
-static void mdfld_dsi_write_kbbc_profile (struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if(!sender) {
-	        WARN_ON(1);
-		return;
-        }
-	mdfld_dsi_send_mcs_long_hs(sender,
-				   mdfld_dbi_mcs_kbbc_profile,
-				   4,
-				   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * write gamma setting.
- */
-static void mdfld_dsi_write_gamma_setting (struct mdfld_dsi_config *dsi_config, int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if(!sender) {
-	        WARN_ON(1);
-		return;
-	}
-	mdfld_dsi_send_mcs_long_hs(sender,
-				   mdfld_dbi_mcs_gamma_profile,
-				   3,
-				   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * Check and see if the generic control or data buffer is empty and ready.
- */
-void mdfld_dsi_gen_fifo_ready (struct drm_device *dev, u32 gen_fifo_stat_reg, u32 fifo_stat)
-{
-	u32 GEN_BF_time_out_count = 0;
-	
-	/* Check MIPI Adatper command registers */
-	for (GEN_BF_time_out_count = 0; GEN_BF_time_out_count < GEN_FB_TIME_OUT; GEN_BF_time_out_count++)
-	{
-		if ((REG_READ(gen_fifo_stat_reg) & fifo_stat) == fifo_stat)
-			break;
-		udelay (100);
-	}
-
-	if (GEN_BF_time_out_count == GEN_FB_TIME_OUT)
-		dev_err(dev->dev,
-        "mdfld_dsi_gen_fifo_ready, Timeout. gen_fifo_stat_reg = 0x%x. \n",
-                                                gen_fifo_stat_reg);
-}
-
-/*
- * Manage the DSI MIPI keyboard and display brightness.
- * FIXME: this is exported to OSPM code. should work out an specific 
- * display interface to OSPM. 
- */
-void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-	struct drm_device *dev = sender->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 gen_ctrl_val;
-	
-	if(!sender) {
-	        WARN_ON(1);
-	        return;
-	}
-	/* Set default display backlight value to 85% (0xd8)*/
-	mdfld_dsi_send_mcs_short_hs(sender,
-				    write_display_brightness,
-				    0xd8,
-				    1,
-				    MDFLD_DSI_SEND_PACKAGE);
-
-	/* Set minimum brightness setting of CABC function to 20% (0x33)*/
-	mdfld_dsi_send_mcs_short_hs(sender,
-				    write_cabc_min_bright,
-				    0x33,
-				    1,
-				    MDFLD_DSI_SEND_PACKAGE);
-
-	mdfld_dsi_write_hysteresis(dsi_config, pipe);
-	mdfld_dsi_write_display_profile (dsi_config, pipe);
-	mdfld_dsi_write_kbbc_profile (dsi_config, pipe);
-	mdfld_dsi_write_gamma_setting (dsi_config, pipe);
-
-	/* Enable backlight or/and LABC */
-	gen_ctrl_val = BRIGHT_CNTL_BLOCK_ON | DISPLAY_DIMMING_ON| BACKLIGHT_ON;
-	if (LABC_control == 1 || CABC_control == 1)
-		gen_ctrl_val |= DISPLAY_DIMMING_ON| DISPLAY_BRIGHTNESS_AUTO | GAMMA_AUTO;
-
-	if (LABC_control == 1)
-		gen_ctrl_val |= AMBIENT_LIGHT_SENSE_ON;
-
-	dev_priv->mipi_ctrl_display = gen_ctrl_val;
-
-	mdfld_dsi_send_mcs_short_hs(sender,
-				    write_ctrl_display,
-				    (u8)gen_ctrl_val,
-				    1,
-				    MDFLD_DSI_SEND_PACKAGE);
-
-	if (CABC_control == 0)
-		return;
-	mdfld_dsi_send_mcs_short_hs(sender,
-				    write_ctrl_cabc,
-				    UI_IMAGE,
-				    1,
-				    MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * Manage the mipi display brightness.
- * TODO: refine this interface later
- */
-void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, int level)
-{
-	struct mdfld_dsi_pkg_sender *sender;
-	struct drm_psb_private *dev_priv;
-	struct mdfld_dsi_config *dsi_config;
-	u32 gen_ctrl_val;
-	int p_type;	
-	
-	if (!dev || (pipe != 0 && pipe != 2)) {
-		dev_err(dev->dev, "Invalid parameter\n");
-		return;
-	}
-
-	p_type = mdfld_get_panel_type(dev, 0);
-
-	dev_priv = dev->dev_private;
-
-	if(pipe)
-		dsi_config = dev_priv->dsi_configs[1];
-	else
-		dsi_config = dev_priv->dsi_configs[0];
-
-	sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if(!sender) {
-	        WARN_ON(1);
-		return;
-	}
-
-	gen_ctrl_val = ((level * 0xff) / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL) & 0xff;
-
-	dev_dbg(dev->dev,
-                "pipe = %d, gen_ctrl_val = %d.  \n", pipe, gen_ctrl_val);
-	
-	if(p_type == TMD_VID || p_type == TMD_CMD){
-		/* Set display backlight value */
-		mdfld_dsi_send_mcs_short_hs(sender, 
-					tmd_write_display_brightness, 
-					(u8)gen_ctrl_val, 
-	                                 1, 
-	                        	MDFLD_DSI_SEND_PACKAGE);		
-	} else {			
-		/* Set display backlight value */
-		mdfld_dsi_send_mcs_short_hs(sender,
-				    write_display_brightness,
-				    (u8)gen_ctrl_val,
-                                    1,
-                                    MDFLD_DSI_SEND_PACKAGE);
-
-
-		/* Enable backlight control */
-		if (level == 0)
-			gen_ctrl_val = 0;
-		else 
-			gen_ctrl_val = dev_priv->mipi_ctrl_display;
-
-		mdfld_dsi_send_mcs_short_hs(sender,
-                                    write_ctrl_display,
-                                   (u8)gen_ctrl_val,
-                                   1,
-                                   MDFLD_DSI_SEND_PACKAGE);
-	}
-}
-
-/*
- * shut down DSI controller
- */ 
-void mdfld_dsi_controller_shutdown(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct drm_device * dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int retry = 100;
-	
-	if (!dsi_config) {
-	        WARN_ON(1);
-		return;
-	}
-	
-	dev = dsi_config->dev;
-	
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-		
-	if(!(REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) &  DSI_DEVICE_READY)) 
-		goto shutdown_out;
-	
-	/* Send shut down package, clean packet send bit first */
-	if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-		REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), 
-				(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) | DSI_INTR_STATE_SPL_PKG_SENT));
-	}
-	
-	/*send shut down package in HS*/
-	REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_SHUTDOWN);
-	
-	
-	/*
-	 * make sure shut down is sent.
-	 * FIXME: add max retry counter
-	 */
-	while(!(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT)) {
-		retry--;
-		
-		if(!retry) {
-			dev_err(dev->dev, "timeout\n");
-			break;
-		}
-	}
-	
-	/*sleep 1 ms to ensure shutdown finished*/
-	msleep(100);
-	
-	/*un-ready device*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset),
-			   (REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & ~DSI_DEVICE_READY));
-
-shutdown_out:			   
-	gma_power_end(dev);
-}
-
-void mdfld_dsi_controller_startup(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct drm_device * dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int retry = 100;
-	
-	
-	if (!dsi_config) {
-		WARN_ON(1);
-		return;
-	}
-	
-	dev = dsi_config->dev;
-	dev_dbg(dev->dev, "starting up DSI controller on pipe %d...\n", pipe);
-	
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-	
-	if((REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & DSI_DEVICE_READY)) 
-		goto startup_out;
-	
-	/*if config DPI, turn on DPI interface*/
-	if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) {
-		if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-			REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-		}
-		
-		REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_TURN_ON);
-		
-		/*
-		 * make sure shut down is sent.
-		 * FIXME: add max retry counter
-		 */
-		while(!(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT)) {
-			retry--;
-			if(!retry) {
-				dev_err(dev->dev, "timeout\n");
-				break;
-			}
-		}
-		
-		msleep(100);
-	}
-	
-	/*set device ready*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset),
-			   (REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) | DSI_DEVICE_READY));
-
-startup_out:	
-	gma_power_end(dev);
-}
-
-
-static int mdfld_dsi_get_panel_status(struct mdfld_dsi_config *dsi_config,
-					u8 dcs,
-					u32 *data,
-					u8 transmission)
-{
-	struct mdfld_dsi_pkg_sender *sender
-		= mdfld_dsi_get_pkg_sender(dsi_config);
-
-	if (!sender || !data) {
-		DRM_ERROR("Invalid parameter\n");
-		return -EINVAL;
-	}
-
-	if (transmission == MDFLD_DSI_HS_TRANSMISSION)
-		return mdfld_dsi_read_mcs_hs(sender, dcs, data, 1);
-	else if (transmission == MDFLD_DSI_LP_TRANSMISSION)
-		return mdfld_dsi_read_mcs_lp(sender, dcs, data, 1);
-	else
-		return -EINVAL;
-}
-
-int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config,
-				u32 *mode,
-				u8 transmission)
-{
-	if (!dsi_config || !mode) {
-		DRM_ERROR("Invalid parameter\n");
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_get_panel_status(dsi_config, 0x0a, mode, transmission);
-}
-
-int mdfld_dsi_get_diagnostic_result(struct mdfld_dsi_config *dsi_config,
-					u32 *result,
-					u8 transmission)
-{
-	if (!dsi_config || !result) {
-		DRM_ERROR("Invalid parameter\n");
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_get_panel_status(dsi_config, 0x0f, result,
-					  transmission);
-}
-
-/*
- * NOTE: this function was used by OSPM.
- * TODO: will be removed later, should work out display interfaces for OSPM
- */
-void mdfld_dsi_controller_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	if(!dsi_config || ((pipe != 0) && (pipe != 2))) {
-	        WARN_ON(1);
-		return;
-	}
-
-	if(dsi_config->type)
-		mdfld_dsi_dpi_controller_init(dsi_config, pipe);
-	else
-		mdfld_dsi_controller_dbi_init(dsi_config, pipe);
-}
-
-static void mdfld_dsi_connector_save(struct drm_connector * connector)
-{
-}
-
-static void mdfld_dsi_connector_restore(struct drm_connector * connector)
-{
-}
-
-static enum drm_connector_status mdfld_dsi_connector_detect(struct drm_connector * connector, bool force)
-{
-	struct psb_intel_output *psb_output
-					= to_psb_intel_output(connector);
-	struct mdfld_dsi_connector *dsi_connector
-	                                = MDFLD_DSI_CONNECTOR(psb_output);
-	return dsi_connector->status;
-}
-
-static int mdfld_dsi_connector_set_property(struct drm_connector *connector,
-					struct drm_property *property,
-					uint64_t value)
-{
-	struct drm_encoder *encoder = connector->encoder;
-
-	if (!strcmp(property->name, "scaling mode") && encoder) {
-		struct psb_intel_crtc * psb_crtc = to_psb_intel_crtc(encoder->crtc);
-		bool bTransitionFromToCentered;
-		uint64_t curValue;
-
-		if (!psb_crtc)
-			goto set_prop_error;
-
-		switch (value) {
-		case DRM_MODE_SCALE_FULLSCREEN:
-			break;
-		case DRM_MODE_SCALE_NO_SCALE:
-			break;
-		case DRM_MODE_SCALE_ASPECT:
-			break;
-		default:
-			goto set_prop_error;
-		}
-
-		if (drm_connector_property_get_value(connector, property, &curValue))
-			goto set_prop_error;
-
-		if (curValue == value)
-			goto set_prop_done;
-
-		if (drm_connector_property_set_value(connector, property, value))
-			goto set_prop_error;
-
-		bTransitionFromToCentered = (curValue == DRM_MODE_SCALE_NO_SCALE) ||
-			(value == DRM_MODE_SCALE_NO_SCALE);
-
-		if (psb_crtc->saved_mode.hdisplay != 0 &&
-		    psb_crtc->saved_mode.vdisplay != 0) {
-			if (bTransitionFromToCentered) {
-				if (!drm_crtc_helper_set_mode(encoder->crtc, &psb_crtc->saved_mode,
-					    encoder->crtc->x, encoder->crtc->y, encoder->crtc->fb))
-					goto set_prop_error;
-			} else {
-				struct drm_encoder_helper_funcs *pEncHFuncs  = encoder->helper_private;
-				pEncHFuncs->mode_set(encoder, &psb_crtc->saved_mode,
-						     &psb_crtc->saved_adjusted_mode);
-			}
-		}
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	} else if (!strcmp(property->name, "backlight") && encoder) {
-		struct drm_psb_private *dev_priv = encoder->dev->dev_private;
-		struct backlight_device *psb_bd = dev_priv->backlight_device;
-		dev_dbg(encoder->dev->dev, "backlight level = %d\n", (int)value);
-		if (drm_connector_property_set_value(connector, property, value))
-			goto set_prop_error;
-		else {
-			dev_dbg(encoder->dev->dev,
-			                "set brightness to %d", (int)value);
-			if (psb_bd) {
-				psb_bd->props.brightness = value;
-				backlight_update_status(psb_bd);
-			}
-		}
-#endif
-	}
-set_prop_done:
-    return 0;
-set_prop_error:
-    return -1;
-}
-
-static void mdfld_dsi_connector_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-	struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-	struct mdfld_dsi_pkg_sender * sender;
-	
-	if(!dsi_connector)
-	        return;
-	
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	
-	sender = dsi_connector->pkg_sender;
-
-	mdfld_dsi_pkg_sender_destroy(sender);
-
-	kfree(dsi_connector);
-}
-
-static int mdfld_dsi_connector_get_modes(struct drm_connector * connector)
-{
-	struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-	struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-	struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector);
-	struct drm_display_mode * fixed_mode = dsi_config->fixed_mode;
-	struct drm_display_mode * dup_mode = NULL;
-	struct drm_device * dev = connector->dev;
-	
-	connector->display_info.min_vfreq = 0;
-	connector->display_info.max_vfreq = 200;
-	connector->display_info.min_hfreq = 0;
-	connector->display_info.max_hfreq = 200;
-
-	if(fixed_mode) {
-		dev_dbg(dev->dev, "fixed_mode %dx%d\n",
-		        fixed_mode->hdisplay, fixed_mode->vdisplay);
-		
-		dup_mode = drm_mode_duplicate(dev, fixed_mode);
-		drm_mode_probed_add(connector, dup_mode);
-		return 1;
-	}
-	dev_err(dev->dev, "Didn't get any modes!\n");
-	return 0;
-}
-
-static int mdfld_dsi_connector_mode_valid(struct drm_connector * connector, struct drm_display_mode * mode)
-{
-	struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-	struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-	struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector);
-	struct drm_display_mode * fixed_mode = dsi_config->fixed_mode;
-
-	dev_dbg(connector->dev->dev, "mode %p, fixed mode %p\n",
-	                                                mode, fixed_mode);
-
-	if(mode->flags & DRM_MODE_FLAG_DBLSCAN) 
-		return MODE_NO_DBLESCAN;
-
-	if(mode->flags & DRM_MODE_FLAG_INTERLACE)
-		return MODE_NO_INTERLACE;
-
-	/**
-	 * FIXME: current DC has no fitting unit, reject any mode setting request
-	 * will figure out a way to do up-scaling(pannel fitting) later.  
-	 **/
-	if(fixed_mode) {
-		if(mode->hdisplay != fixed_mode->hdisplay)
-			return MODE_PANEL;
-
-		if(mode->vdisplay != fixed_mode->vdisplay)
-			return MODE_PANEL;
-	}
-	dev_dbg(connector->dev->dev, "mode ok\n");
-
-	return MODE_OK;
-}
-
-static void mdfld_dsi_connector_dpms(struct drm_connector *connector, int mode)
-{
-#ifdef CONFIG_PM_RUNTIME
-	struct drm_device * dev = connector->dev;
-	struct drm_psb_private * dev_priv = dev->dev_private;
-	bool panel_on, panel_on2;
-#endif
-	/* First, execute DPMS */
-	drm_helper_connector_dpms(connector, mode);
-
-#ifdef CONFIG_PM_RUNTIME
-	if(mdfld_panel_dpi(dev)) {
-		/* DPI panel */
-		panel_on = dev_priv->dpi_panel_on;
-		panel_on2 = dev_priv->dpi_panel_on2;
-	} else {
-		/* DBI panel */
-		panel_on = dev_priv->dbi_panel_on;
-		panel_on2 = dev_priv->dbi_panel_on2;
-	}
-
-	/* Then check all display panels + monitors status */
-	/* Make sure that the Display (B) sub-system status isn't i3 when
-	 * R/W the DC register, otherwise "Fabric error" issue would occur
-	 * during S0i3 state. */
-	if(!panel_on && !panel_on2 && !(REG_READ(HDMIB_CONTROL)
-	                                        & HDMIB_PORT_EN)) {
-		/* Request rpm idle */
-		if(dev_priv->rpm_enabled)
-			pm_request_idle(&dev->pdev->dev);
-	}
-	/*
-	 * if rpm wasn't enabled yet, try to allow it
-	 * FIXME: won't enable rpm for DPI since DPI
-	 * CRTC setting is a little messy now.
-	 * Enable it later!
-	 */
-#if 0
-	if(!dev_priv->rpm_enabled && !mdfld_panel_dpi(dev))
-		ospm_runtime_pm_allow(dev);
-#endif
-#endif
-}
-
-static struct drm_encoder *mdfld_dsi_connector_best_encoder(
-                                        struct drm_connector *connector) 
-{
-	struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-	struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-	struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector);
-	struct mdfld_dsi_encoder * encoder = NULL;
-	
-	if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) 
-		encoder = dsi_config->encoders[MDFLD_DSI_ENCODER_DBI];
-	else if (dsi_config->type == MDFLD_DSI_ENCODER_DPI) 
-		encoder = dsi_config->encoders[MDFLD_DSI_ENCODER_DPI];
-	
-	dev_dbg(connector->dev->dev, "get encoder %p\n", encoder);
-	
-	if(!encoder) {
-		dev_err(connector->dev->dev,
-                        "Invalid encoder for type %d\n", dsi_config->type);
-		return NULL;
-	}
-	dsi_config->encoder = encoder;	
-	return &encoder->base;	
-}
-
-/* DSI connector funcs */
-static const struct drm_connector_funcs mdfld_dsi_connector_funcs = {
-	.dpms = /*drm_helper_connector_dpms*/mdfld_dsi_connector_dpms,
-	.save = mdfld_dsi_connector_save,
-	.restore = mdfld_dsi_connector_restore,
-	.detect = mdfld_dsi_connector_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = mdfld_dsi_connector_set_property,
-	.destroy = mdfld_dsi_connector_destroy,
-};
-
-/* DSI connector helper funcs */
-static const struct drm_connector_helper_funcs mdfld_dsi_connector_helper_funcs = {
-	.get_modes = mdfld_dsi_connector_get_modes,
-	.mode_valid = mdfld_dsi_connector_mode_valid,
-	.best_encoder = mdfld_dsi_connector_best_encoder,
-};
-
-static int mdfld_dsi_get_default_config(struct drm_device * dev, 
-										struct mdfld_dsi_config * config, int pipe)
-{
-	if(!dev || !config) {
-	        WARN_ON(1);
-		return -EINVAL;
-	}
-	
-	config->bpp = 24;
-	config->type = mdfld_panel_dpi(dev);
-	config->lane_count = 2;
-	config->channel_num = 0;
-	/*NOTE: video mode is ignored when type is MDFLD_DSI_ENCODER_DBI*/
-	if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
-		config->video_mode = MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE;
-	} else {
-		config->video_mode = MDFLD_DSI_VIDEO_BURST_MODE;
-	}
-	
-	return 0;
-}
-
-/*
- * Returns the panel fixed mode from configuration. 
- */
-struct drm_display_mode *
-mdfld_dsi_get_configuration_mode(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct drm_device *dev = dsi_config->dev;
-	struct drm_display_mode *mode;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-	bool use_gct = false;
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode) {
-	        dev_err(dev->dev, "Out of memory for mode\n");
-		return NULL;
-        }
-	if (use_gct) {
-		dev_dbg(dev->dev, "gct find MIPI panel.\n");
-
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay + \
-				((ti->hsync_offset_hi << 8) | \
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start + \
-				((ti->hsync_pulse_width_hi << 8) | \
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-								ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay + \
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-	} else {
-		if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) { 
-			if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
-				mode->hdisplay = 480;
-				mode->vdisplay = 854;
-				mode->hsync_start = 487;
-				mode->hsync_end = 490;
-				mode->htotal = 499;
-				mode->vsync_start = 861;
-				mode->vsync_end = 865;
-				mode->vtotal = 873;
-				mode->clock = 33264;
-			} else {
-				mode->hdisplay = 864;
-				mode->vdisplay = 480;
-				mode->hsync_start = 873;
-				mode->hsync_end = 876;
-				mode->htotal = 887;
-				mode->vsync_start = 487;
-				mode->vsync_end = 490;
-				mode->vtotal = 499;
-				mode->clock = 33264;
-			}
-		} else if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) {
-			mode->hdisplay = 864;
-			mode->vdisplay = 480;
-			mode->hsync_start = 872;
-			mode->hsync_end = 876;
-			mode->htotal = 884;
-			mode->vsync_start = 482;
-			mode->vsync_end = 494;
-			mode->vtotal = 486;
-			mode->clock = 25777;
-			
-		}
-	}
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-	
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-int mdfld_dsi_panel_reset(int pipe)
-{
-	unsigned gpio;
-	int ret = 0;
-
-	switch (pipe) {
-	case 0:
-		gpio = 128;
-		break;
-	case 2:
-		gpio = 34;
-		break;
-	default:
-		DRM_ERROR("Invalid output\n");
-		return -EINVAL;
-	}
-
-	ret = gpio_request(gpio, "gfx");
-	if (ret) {
-		DRM_ERROR("gpio_rqueset failed\n");
-		return ret;
-	}
-
-	ret = gpio_direction_output(gpio, 1);
-	if (ret) {
-		DRM_ERROR("gpio_direction_output failed\n");
-		goto gpio_error;
-	}
-
-	gpio_get_value(128);
-
-gpio_error:
-	if (gpio_is_valid(gpio))
-		gpio_free(gpio);
-
-	return ret;
-}
-
-/*
- * MIPI output init
- * @dev drm device
- * @pipe pipe number. 0 or 2
- * @config 
- * 
- * Do the initialization of a MIPI output, including create DRM mode objects
- * initialization of DSI output on @pipe 
- */
-void mdfld_dsi_output_init(struct drm_device *dev,
-			   int pipe, 
-			   struct mdfld_dsi_config *config,
-			   struct panel_funcs* p_cmd_funcs,
-			   struct panel_funcs* p_vid_funcs)
-{
-	struct mdfld_dsi_config * dsi_config;
-	struct mdfld_dsi_connector * dsi_connector;
-	struct psb_intel_output * psb_output;
-	struct drm_connector * connector;
-	struct mdfld_dsi_encoder * encoder;
-	struct drm_psb_private * dev_priv = dev->dev_private;
-	struct panel_info dsi_panel_info;
-	u32 width_mm, height_mm;
-
-	dev_dbg(dev->dev, "init DSI output on pipe %d\n", pipe);
-	
-	if(!dev || ((pipe != 0) && (pipe != 2))) {
-	        WARN_ON(1);
-		return;
-	}
-	
-	/*create a new connetor*/
-	dsi_connector = kzalloc(sizeof(struct mdfld_dsi_connector), GFP_KERNEL);
-	if(!dsi_connector) {
-		DRM_ERROR("No memory");
-		return;
-	}
-	
-	dsi_connector->pipe =  pipe;
-	
-	/*set DSI config*/
-	if(config) { 
-		dsi_config = config;
-	} else {
-		dsi_config = kzalloc(sizeof(struct mdfld_dsi_config), GFP_KERNEL);
-		if(!dsi_config) {
-			dev_err(dev->dev,
-			        "cannot allocate memory for DSI config\n");
-			goto dsi_init_err0;
-		}
-		
-		mdfld_dsi_get_default_config(dev, dsi_config, pipe);
-	}
-	
-	dsi_connector->private = dsi_config;
-	
-	dsi_config->changed = 1;
-	dsi_config->dev = dev;
-	
-	/* Init fixed mode basing on DSI config type */
-	if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) {
-		dsi_config->fixed_mode = p_cmd_funcs->get_config_mode(dev);
-		if(p_cmd_funcs->get_panel_info(dev, pipe, &dsi_panel_info))
-			goto dsi_init_err0;
-	} else if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) {
-		dsi_config->fixed_mode = p_vid_funcs->get_config_mode(dev);
-		if(p_vid_funcs->get_panel_info(dev, pipe, &dsi_panel_info))
-			goto dsi_init_err0;
-	}
-
-	width_mm = dsi_panel_info.width_mm;
-	height_mm = dsi_panel_info.height_mm;
-
-	dsi_config->mode = dsi_config->fixed_mode;
-	dsi_config->connector = dsi_connector;
-	
-	if(!dsi_config->fixed_mode) {
-		dev_err(dev->dev, "No pannel fixed mode was found\n");
-		goto dsi_init_err0;
-	}
-	
-	if(pipe && dev_priv->dsi_configs[0]) {
-		dsi_config->dvr_ic_inited = 0;
-		dev_priv->dsi_configs[1] = dsi_config;
-	} else if(pipe == 0) {
-		dsi_config->dvr_ic_inited = 1;
-		dev_priv->dsi_configs[0] = dsi_config;
-	} else {
-		dev_err(dev->dev, "Trying to init MIPI1 before MIPI0\n");
-		goto dsi_init_err0;
-	}
-
-	/*init drm connector object*/
-	psb_output = &dsi_connector->base;
-	
-	psb_output->type = (pipe == 0) ? INTEL_OUTPUT_MIPI : INTEL_OUTPUT_MIPI2;
-
-	connector = &psb_output->base;
-	/* Revisit type if MIPI/HDMI bridges ever appear on Medfield */
-	drm_connector_init(dev, connector, &mdfld_dsi_connector_funcs,
-						DRM_MODE_CONNECTOR_LVDS);
-	drm_connector_helper_add(connector, &mdfld_dsi_connector_helper_funcs);
-	
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->display_info.width_mm = width_mm;
-	connector->display_info.height_mm = height_mm;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-	
-	/* Attach properties */
-	drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN);
-	drm_connector_attach_property(connector, dev_priv->backlight_property, MDFLD_DSI_BRIGHTNESS_MAX_LEVEL);
-
-	/* Init DSI package sender on this output */
-	if (mdfld_dsi_pkg_sender_init(dsi_connector, pipe)) {
-		DRM_ERROR("Package Sender initialization failed on pipe %d\n", pipe);
-		goto dsi_init_err0;
-	}
-
-	/* Init DBI & DPI encoders */
-	if (p_cmd_funcs) {
-		encoder = mdfld_dsi_dbi_init(dev, dsi_connector, p_cmd_funcs);
-		if(!encoder) {
-			dev_err(dev->dev, "Create DBI encoder failed\n");
-			goto dsi_init_err1;
-		}
-		encoder->private = dsi_config;
-		dsi_config->encoders[MDFLD_DSI_ENCODER_DBI] = encoder;
-	}
-	
-	if(p_vid_funcs) {
-		encoder = mdfld_dsi_dpi_init(dev, dsi_connector, p_vid_funcs);
-		if(!encoder) {
-			dev_err(dev->dev, "Create DPI encoder failed\n");
-			goto dsi_init_err1;
-		}
-		encoder->private = dsi_config;
-		dsi_config->encoders[MDFLD_DSI_ENCODER_DPI] = encoder;
-	}
-	
-	drm_sysfs_connector_add(connector);
-	return;
-	
-	/*TODO: add code to destroy outputs on error*/
-dsi_init_err1:
-	/*destroy sender*/
-	mdfld_dsi_pkg_sender_destroy(dsi_connector->pkg_sender);
-
-	drm_connector_cleanup(connector);
-	kfree(dsi_config->fixed_mode);
-	kfree(dsi_config);
-dsi_init_err0:
-	kfree(dsi_connector);
-}
diff --git a/drivers/staging/gma500/mdfld_dsi_output.h b/drivers/staging/gma500/mdfld_dsi_output.h
deleted file mode 100644
index 4699267efd60..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_output.h
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_OUTPUT_H__
-#define __MDFLD_DSI_OUTPUT_H__
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
-
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include "mdfld_output.h"
-
-#include <asm/mrst.h>
-
-
-static inline struct mdfld_dsi_config *
-	mdfld_dsi_get_config(struct mdfld_dsi_connector *connector)
-{
-	if (!connector)
-		return NULL;
-	return (struct mdfld_dsi_config *)connector->private;
-}
-
-static inline void *mdfld_dsi_get_pkg_sender(struct mdfld_dsi_config *config)
-{
-	struct mdfld_dsi_connector *dsi_connector;
-
-	if (!config)
-		return NULL;
-
-	dsi_connector = config->connector;
-
-	if (!dsi_connector)
-		return NULL;
-
-	return dsi_connector->pkg_sender;
-}
-
-static inline struct mdfld_dsi_config *
-	mdfld_dsi_encoder_get_config(struct mdfld_dsi_encoder *encoder)
-{
-	if (!encoder)
-		return NULL;
-	return (struct mdfld_dsi_config *)encoder->private;
-}
-
-static inline struct mdfld_dsi_connector *
-	mdfld_dsi_encoder_get_connector(struct mdfld_dsi_encoder *encoder)
-{
-	struct mdfld_dsi_config *config;
-
-	if (!encoder)
-		return NULL;
-
-	config = mdfld_dsi_encoder_get_config(encoder);
-	if (!config)
-		return NULL;
-
-	return config->connector;
-}
-
-static inline void *mdfld_dsi_encoder_get_pkg_sender(
-	struct mdfld_dsi_encoder *encoder)
-{
-	struct mdfld_dsi_config *dsi_config;
-
-	dsi_config = mdfld_dsi_encoder_get_config(encoder);
-	if (!dsi_config)
-		return NULL;
-
-	return mdfld_dsi_get_pkg_sender(dsi_config);
-}
-
-static inline int mdfld_dsi_encoder_get_pipe(struct mdfld_dsi_encoder *encoder)
-{
-	struct mdfld_dsi_connector *connector;
-
-	if (!encoder)
-		return -1;
-
-	connector = mdfld_dsi_encoder_get_connector(encoder);
-	if (!connector)
-		return -1;
-
-	return connector->pipe;
-}
-
-extern void mdfld_dsi_gen_fifo_ready(struct drm_device *dev,
-				u32 gen_fifo_stat_reg, u32 fifo_stat);
-extern void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config,
-				int pipe);
-extern void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe,
-				int level);
-extern void mdfld_dsi_output_init(struct drm_device *dev, int pipe,
-				struct mdfld_dsi_config *config,
-				struct panel_funcs *p_cmd_funcs,
-				struct panel_funcs *p_vid_funcs);
-extern void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config,
-				int pipe);
-extern int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config,
-				u32 *mode,
-				u8 transmission);
-extern int mdfld_dsi_get_diagnostic_result(struct mdfld_dsi_config *dsi_config,
-				u32 *result,
-				u8 transmission);
-extern int mdfld_dsi_panel_reset(int pipe);
-
-#endif /*__MDFLD_DSI_OUTPUT_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_pkg_sender.c b/drivers/staging/gma500/mdfld_dsi_pkg_sender.c
deleted file mode 100644
index 9b96a5c9abcd..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_pkg_sender.c
+++ /dev/null
@@ -1,1484 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include <linux/freezer.h>
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-
-#define MDFLD_DSI_DBI_FIFO_TIMEOUT		100
-#define MDFLD_DSI_MAX_RETURN_PACKET_SIZE	512
-#define MDFLD_DSI_READ_MAX_COUNT		5000
-
-static const char * const dsi_errors[] = {
-	"RX SOT Error",
-	"RX SOT Sync Error",
-	"RX EOT Sync Error",
-	"RX Escape Mode Entry Error",
-	"RX LP TX Sync Error",
-	"RX HS Receive Timeout Error",
-	"RX False Control Error",
-	"RX ECC Single Bit Error",
-	"RX ECC Multibit Error",
-	"RX Checksum Error",
-	"RX DSI Data Type Not Recognised",
-	"RX DSI VC ID Invalid",
-	"TX False Control Error",
-	"TX ECC Single Bit Error",
-	"TX ECC Multibit Error",
-	"TX Checksum Error",
-	"TX DSI Data Type Not Recognised",
-	"TX DSI VC ID invalid",
-	"High Contention",
-	"Low contention",
-	"DPI FIFO Under run",
-	"HS TX Timeout",
-	"LP RX Timeout",
-	"Turn Around ACK Timeout",
-	"ACK With No Error",
-	"RX Invalid TX Length",
-	"RX Prot Violation",
-	"HS Generic Write FIFO Full",
-	"LP Generic Write FIFO Full",
-	"Generic Read Data Avail",
-	"Special Packet Sent",
-	"Tearing Effect",
-};
-
-static int wait_for_gen_fifo_empty(struct mdfld_dsi_pkg_sender *sender,
-								u32 mask)
-{
-	struct drm_device *dev = sender->dev;
-	u32 gen_fifo_stat_reg = sender->mipi_gen_fifo_stat_reg;
-	int retry = 0xffff;
-
-	while (retry--) {
-		if ((mask & REG_READ(gen_fifo_stat_reg)) == mask)
-			return 0;
-		udelay(100);
-	}
-	dev_err(dev->dev, "fifo is NOT empty 0x%08x\n",
-					REG_READ(gen_fifo_stat_reg));
-	return -EIO;
-}
-
-static int wait_for_all_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-	return wait_for_gen_fifo_empty(sender, (1 << 2) | (1 << 10) | (1 << 18)
-		| (1 << 26) | (1 << 27) | (1 << 28));
-}
-
-static int wait_for_lp_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-	return wait_for_gen_fifo_empty(sender, (1 << 10) | (1 << 26));
-}
-
-static int wait_for_hs_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-	return wait_for_gen_fifo_empty(sender, (1 << 2) | (1 << 18));
-}
-
-static int wait_for_dbi_fifo_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-	return wait_for_gen_fifo_empty(sender, (1 << 27));
-}
-
-static int handle_dsi_error(struct mdfld_dsi_pkg_sender *sender, u32 mask)
-{
-	u32 intr_stat_reg = sender->mipi_intr_stat_reg;
-	struct drm_device *dev = sender->dev;
-
-	switch (mask) {
-	case (1 << 0):
-	case (1 << 1):
-	case (1 << 2):
-	case (1 << 3):
-	case (1 << 4):
-	case (1 << 5):
-	case (1 << 6):
-	case (1 << 7):
-	case (1 << 8):
-	case (1 << 9):
-	case (1 << 10):
-	case (1 << 11):
-	case (1 << 12):
-	case (1 << 13):
-		break;
-	case (1 << 14):
-		/*wait for all fifo empty*/
-		/*wait_for_all_fifos_empty(sender)*/;
-		break;
-	case (1 << 15):
-		break;
-	case (1 << 16):
-		break;
-	case (1 << 17):
-		break;
-	case (1 << 18):
-	case (1 << 19):
-		/*wait for contention recovery time*/
-		/*mdelay(10);*/
-		/*wait for all fifo empty*/
-		if (0)
-			wait_for_all_fifos_empty(sender);
-		break;
-	case (1 << 20):
-		break;
-	case (1 << 21):
-		/*wait for all fifo empty*/
-		/*wait_for_all_fifos_empty(sender);*/
-		break;
-	case (1 << 22):
-		break;
-	case (1 << 23):
-	case (1 << 24):
-	case (1 << 25):
-	case (1 << 26):
-	case (1 << 27):
-		/* HS Gen fifo full */
-		REG_WRITE(intr_stat_reg, mask);
-		wait_for_hs_fifos_empty(sender);
-		break;
-	case (1 << 28):
-		/* LP Gen fifo full\n */
-		REG_WRITE(intr_stat_reg, mask);
-		wait_for_lp_fifos_empty(sender);
-		break;
-	case (1 << 29):
-	case (1 << 30):
-	case (1 << 31):
-		break;
-	}
-
-	if (mask & REG_READ(intr_stat_reg))
-		dev_warn(dev->dev, "Cannot clean interrupt 0x%08x\n", mask);
-
-	return 0;
-}
-
-static int dsi_error_handler(struct mdfld_dsi_pkg_sender *sender)
-{
-	struct drm_device *dev = sender->dev;
-	u32 intr_stat_reg = sender->mipi_intr_stat_reg;
-	u32 mask;
-	u32 intr_stat;
-	int i;
-	int err = 0;
-
-	intr_stat = REG_READ(intr_stat_reg);
-
-	for (i = 0; i < 32; i++) {
-		mask = (0x00000001UL) << i;
-		if (intr_stat & mask) {
-			dev_dbg(dev->dev, "[DSI]: %s\n", dsi_errors[i]);
-			err = handle_dsi_error(sender, mask);
-			if (err)
-				dev_err(dev->dev, "Cannot handle error\n");
-		}
-	}
-	return err;
-}
-
-static inline int dbi_cmd_sent(struct mdfld_dsi_pkg_sender *sender)
-{
-	struct drm_device *dev = sender->dev;
-	u32 retry = 0xffff;
-	u32 dbi_cmd_addr_reg = sender->mipi_cmd_addr_reg;
-
-	/* Query the command execution status */
-	while (retry--) {
-		if (!(REG_READ(dbi_cmd_addr_reg) & (1 << 0)))
-			break;
-	}
-
-	if (!retry) {
-		dev_err(dev->dev, "Timeout waiting for DBI Command status\n");
-		return -EAGAIN;
-	}
-	return 0;
-}
-
-/*
- * NOTE: this interface is abandoned expect for write_mem_start DCS
- * other DCS are sent via generic pkg interfaces
- */
-static int send_dcs_pkg(struct mdfld_dsi_pkg_sender *sender,
-			struct mdfld_dsi_pkg *pkg)
-{
-	struct drm_device *dev = sender->dev;
-	struct mdfld_dsi_dcs_pkg *dcs_pkg = &pkg->pkg.dcs_pkg;
-	u32 dbi_cmd_len_reg = sender->mipi_cmd_len_reg;
-	u32 dbi_cmd_addr_reg = sender->mipi_cmd_addr_reg;
-	u32 cb_phy = sender->dbi_cb_phy;
-	u32 index = 0;
-	u8 *cb = (u8 *)sender->dbi_cb_addr;
-	int i;
-	int ret;
-
-	if (!sender->dbi_pkg_support) {
-		dev_err(dev->dev, "Trying to send DCS on a non DBI output, abort!\n");
-		return -ENOTSUPP;
-	}
-
-	/*wait for DBI fifo empty*/
-	wait_for_dbi_fifo_empty(sender);
-
-	*(cb + (index++)) = dcs_pkg->cmd;
-	if (dcs_pkg->param_num) {
-		for (i = 0; i < dcs_pkg->param_num; i++)
-			*(cb + (index++)) = *(dcs_pkg->param + i);
-	}
-
-	REG_WRITE(dbi_cmd_len_reg, (1 + dcs_pkg->param_num));
-	REG_WRITE(dbi_cmd_addr_reg,
-		(cb_phy << CMD_MEM_ADDR_OFFSET)
-		| (1 << 0)
-		| ((dcs_pkg->data_src == CMD_DATA_SRC_PIPE) ? (1 << 1) : 0));
-
-	ret = dbi_cmd_sent(sender);
-	if (ret) {
-		dev_err(dev->dev, "command 0x%x not complete\n", dcs_pkg->cmd);
-		return -EAGAIN;
-	}
-	return 0;
-}
-
-static int __send_short_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	struct drm_device *dev = sender->dev;
-	u32 hs_gen_ctrl_reg = sender->mipi_hs_gen_ctrl_reg;
-	u32 lp_gen_ctrl_reg = sender->mipi_lp_gen_ctrl_reg;
-	u32 gen_ctrl_val = 0;
-	struct mdfld_dsi_gen_short_pkg *short_pkg = &pkg->pkg.short_pkg;
-
-	gen_ctrl_val |= short_pkg->cmd << MCS_COMMANDS_POS;
-	gen_ctrl_val |= 0 << DCS_CHANNEL_NUMBER_POS;
-	gen_ctrl_val |= pkg->pkg_type;
-	gen_ctrl_val |= short_pkg->param << MCS_PARAMETER_POS;
-
-	if (pkg->transmission_type == MDFLD_DSI_HS_TRANSMISSION) {
-		/* wait for hs fifo empty */
-		/* wait_for_hs_fifos_empty(sender); */
-		/* Send pkg */
-		REG_WRITE(hs_gen_ctrl_reg, gen_ctrl_val);
-	} else if (pkg->transmission_type == MDFLD_DSI_LP_TRANSMISSION) {
-		/* wait_for_lp_fifos_empty(sender); */
-		/* Send pkg*/
-		REG_WRITE(lp_gen_ctrl_reg, gen_ctrl_val);
-	} else {
-		dev_err(dev->dev, "Unknown transmission type %d\n",
-							pkg->transmission_type);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int __send_long_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	struct drm_device *dev = sender->dev;
-	u32 hs_gen_ctrl_reg = sender->mipi_hs_gen_ctrl_reg;
-	u32 hs_gen_data_reg = sender->mipi_hs_gen_data_reg;
-	u32 lp_gen_ctrl_reg = sender->mipi_lp_gen_ctrl_reg;
-	u32 lp_gen_data_reg = sender->mipi_lp_gen_data_reg;
-	u32 gen_ctrl_val = 0;
-	u32 *dp;
-	int i;
-	struct mdfld_dsi_gen_long_pkg *long_pkg = &pkg->pkg.long_pkg;
-
-	dp = long_pkg->data;
-
-	/*
-	 * Set up word count for long pkg
-	 * FIXME: double check word count field.
-	 * currently, using the byte counts of the payload as the word count.
-	 * ------------------------------------------------------------
-	 * | DI |   WC   | ECC|         PAYLOAD              |CHECKSUM|
-	 * ------------------------------------------------------------
-	 */
-	gen_ctrl_val |= (long_pkg->len << 2) << WORD_COUNTS_POS;
-	gen_ctrl_val |= 0 << DCS_CHANNEL_NUMBER_POS;
-	gen_ctrl_val |= pkg->pkg_type;
-
-	if (pkg->transmission_type == MDFLD_DSI_HS_TRANSMISSION) {
-		/* Wait for hs ctrl and data fifos to be empty */
-		/* wait_for_hs_fifos_empty(sender); */
-		for (i = 0; i < long_pkg->len; i++)
-			REG_WRITE(hs_gen_data_reg, *(dp + i));
-		REG_WRITE(hs_gen_ctrl_reg, gen_ctrl_val);
-	} else if (pkg->transmission_type == MDFLD_DSI_LP_TRANSMISSION) {
-		/* wait_for_lp_fifos_empty(sender); */
-		for (i = 0; i < long_pkg->len; i++)
-			REG_WRITE(lp_gen_data_reg, *(dp + i));
-		REG_WRITE(lp_gen_ctrl_reg, gen_ctrl_val);
-	} else {
-		dev_err(dev->dev, "Unknown transmission type %d\n",
-						pkg->transmission_type);
-		return -EINVAL;
-	}
-
-	return 0;
-
-}
-
-static int send_mcs_short_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	return __send_short_pkg(sender, pkg);
-}
-
-static int send_mcs_long_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	return __send_long_pkg(sender, pkg);
-}
-
-static int send_gen_short_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	return __send_short_pkg(sender, pkg);
-}
-
-static int send_gen_long_pkg(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	return __send_long_pkg(sender, pkg);
-}
-
-static int send_pkg_prepare(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	u8 cmd;
-	u8 *data;
-
-	switch (pkg->pkg_type) {
-	case MDFLD_DSI_PKG_DCS:
-		cmd = pkg->pkg.dcs_pkg.cmd;
-		break;
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0:
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1:
-		cmd = pkg->pkg.short_pkg.cmd;
-		break;
-	case MDFLD_DSI_PKG_MCS_LONG_WRITE:
-		data = (u8 *)pkg->pkg.long_pkg.data;
-		cmd = *data;
-		break;
-	default:
-		return 0;
-	}
-
-	/* This prevents other package sending while doing msleep */
-	sender->status = MDFLD_DSI_PKG_SENDER_BUSY;
-
-	/* Check panel mode v.s. sending command */
-	if ((sender->panel_mode & MDFLD_DSI_PANEL_MODE_SLEEP) &&
-		cmd != exit_sleep_mode) {
-		dev_err(sender->dev->dev,
-				"sending 0x%x when panel sleep in\n", cmd);
-		sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-		return -EINVAL;
-	}
-
-	/* Wait for 120 milliseconds in case exit_sleep_mode just be sent */
-	if (cmd == DCS_ENTER_SLEEP_MODE) {
- 		/*TODO: replace it with msleep later*/
-		mdelay(120);
-	}
-	return 0;
-}
-
-static int send_pkg_done(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg)
-{
-	u8 cmd;
-	u8 *data;
-
-	switch (pkg->pkg_type) {
-	case MDFLD_DSI_PKG_DCS:
-		cmd = pkg->pkg.dcs_pkg.cmd;
-		break;
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0:
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1:
-		cmd = pkg->pkg.short_pkg.cmd;
-		break;
-	case MDFLD_DSI_PKG_MCS_LONG_WRITE:
-		data = (u8 *)pkg->pkg.long_pkg.data;
-		cmd = *data;
-		break;
-	default:
-		return 0;
-	}
-
-	/* Update panel status */
-	if (cmd == DCS_ENTER_SLEEP_MODE) {
-		sender->panel_mode |= MDFLD_DSI_PANEL_MODE_SLEEP;
-		/*TODO: replace it with msleep later*/
-		mdelay(120);
-	} else if (cmd == DCS_EXIT_SLEEP_MODE) {
-		sender->panel_mode &= ~MDFLD_DSI_PANEL_MODE_SLEEP;
-		/*TODO: replace it with msleep later*/
-		mdelay(120);
-	} else if (unlikely(cmd == DCS_SOFT_RESET)) {
-		/*TODO: replace it with msleep later*/
-		mdelay(5);
- 	}
-	sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-	return 0;
-
-}
-
-static int do_send_pkg(struct mdfld_dsi_pkg_sender *sender,
-			struct mdfld_dsi_pkg *pkg)
-{
-	int ret;
-
-	if (sender->status == MDFLD_DSI_PKG_SENDER_BUSY) {
-		dev_err(sender->dev->dev, "sender is busy\n");
-		return -EAGAIN;
-	}
-
-	ret = send_pkg_prepare(sender, pkg);
-	if (ret) {
-		dev_err(sender->dev->dev, "send_pkg_prepare error\n");
-		return ret;
-	}
-
-	switch (pkg->pkg_type) {
-	case MDFLD_DSI_PKG_DCS:
-		ret = send_dcs_pkg(sender, pkg);
-		break;
-	case MDFLD_DSI_PKG_GEN_SHORT_WRITE_0:
-	case MDFLD_DSI_PKG_GEN_SHORT_WRITE_1:
-	case MDFLD_DSI_PKG_GEN_SHORT_WRITE_2:
-	case MDFLD_DSI_PKG_GEN_READ_0:
-	case MDFLD_DSI_PKG_GEN_READ_1:
-	case MDFLD_DSI_PKG_GEN_READ_2:
-		ret = send_gen_short_pkg(sender, pkg);
-		break;
-	case MDFLD_DSI_PKG_GEN_LONG_WRITE:
-		ret = send_gen_long_pkg(sender, pkg);
-		break;
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0:
-	case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1:
-	case MDFLD_DSI_PKG_MCS_READ:
-		ret = send_mcs_short_pkg(sender, pkg);
-		break;
-	case MDFLD_DSI_PKG_MCS_LONG_WRITE:
-		ret = send_mcs_long_pkg(sender, pkg);
-		break;
-	default:
-		dev_err(sender->dev->dev, "Invalid pkg type 0x%x\n",
-							pkg->pkg_type);
-		ret = -EINVAL;
-	}
-	send_pkg_done(sender, pkg);
-	return ret;
-}
-
-static int send_pkg(struct mdfld_dsi_pkg_sender *sender,
-			struct mdfld_dsi_pkg *pkg)
-{
-	int err ;
-
-	/* Handle DSI error */
-	err = dsi_error_handler(sender);
-	if (err) {
-		dev_err(sender->dev->dev, "Error handling failed\n");
-		err = -EAGAIN;
-		goto send_pkg_err;
-	}
-
-	/* Send pkg */
-	err = do_send_pkg(sender, pkg);
-	if (err) {
-		dev_err(sender->dev->dev, "sent pkg failed\n");
-		err = -EAGAIN;
-		goto send_pkg_err;
-	}
-
-	/* FIXME: should I query complete and fifo empty here? */
-send_pkg_err:
-	return err;
-}
-
-static struct mdfld_dsi_pkg *pkg_sender_get_pkg_locked(
-					struct mdfld_dsi_pkg_sender *sender)
-{
-	struct mdfld_dsi_pkg *pkg;
-
-	if (list_empty(&sender->free_list)) {
-		dev_err(sender->dev->dev, "No free pkg left\n");
-		return NULL;
-	}
-	pkg = list_first_entry(&sender->free_list, struct mdfld_dsi_pkg, entry);
-	/* Detach from free list */
-	list_del_init(&pkg->entry);
-	return pkg;
-}
-
-static void pkg_sender_put_pkg_locked(struct mdfld_dsi_pkg_sender *sender,
-					struct mdfld_dsi_pkg *pkg)
-{
-	memset(pkg, 0, sizeof(struct mdfld_dsi_pkg));
-	INIT_LIST_HEAD(&pkg->entry);
-	list_add_tail(&pkg->entry, &sender->free_list);
-}
-
-static int mdfld_dbi_cb_init(struct mdfld_dsi_pkg_sender *sender,
-					struct psb_gtt *pg, int pipe)
-{
-	unsigned long phys;
-	void *virt_addr = NULL;
-
-	switch (pipe) {
-	case 0:
-		/* FIXME: Doesn't this collide with stolen space ? */
-		phys = pg->gtt_phys_start - 0x1000;
-		break;
-	case 2:
-		phys = pg->gtt_phys_start - 0x800;
-		break;
-	default:
-		dev_err(sender->dev->dev, "Unsupported channel %d\n", pipe);
-		return -EINVAL;
-	}
-
-	virt_addr = ioremap_nocache(phys, 0x800);
-	if (!virt_addr) {
-		dev_err(sender->dev->dev, "Map DBI command buffer error\n");
-		return -ENOMEM;
-	}
-	sender->dbi_cb_phy = phys;
-	sender->dbi_cb_addr = virt_addr;
-	return 0;
-}
-
-static void mdfld_dbi_cb_destroy(struct mdfld_dsi_pkg_sender *sender)
-{
-	if (sender && sender->dbi_cb_addr)
-		iounmap(sender->dbi_cb_addr);
-}
-
-static void pkg_sender_queue_pkg(struct mdfld_dsi_pkg_sender *sender,
-					struct mdfld_dsi_pkg *pkg,
-					int delay)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-
-	if (!delay) {
-		send_pkg(sender, pkg);
-		pkg_sender_put_pkg_locked(sender, pkg);
-	} else {
-		/* Queue it */
-		list_add_tail(&pkg->entry, &sender->pkg_list);
-	}
-	spin_unlock_irqrestore(&sender->lock, flags);
-}
-
-static void process_pkg_list(struct mdfld_dsi_pkg_sender *sender)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-
-	while (!list_empty(&sender->pkg_list)) {
-		pkg = list_first_entry(&sender->pkg_list,
-					struct mdfld_dsi_pkg, entry);
-		send_pkg(sender, pkg);
-		list_del_init(&pkg->entry);
-		pkg_sender_put_pkg_locked(sender, pkg);
-	}
-
-	spin_unlock_irqrestore(&sender->lock, flags);
-}
-
-static int mdfld_dsi_send_mcs_long(struct mdfld_dsi_pkg_sender *sender,
-	u32 *data, u32 len, u8 transmission, int delay)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-	pkg = pkg_sender_get_pkg_locked(sender);
-	spin_unlock_irqrestore(&sender->lock, flags);
-
-	if (!pkg) {
-		dev_err(sender->dev->dev, "No memory\n");
-		return -ENOMEM;
-	}
-	pkg->pkg_type = MDFLD_DSI_PKG_MCS_LONG_WRITE;
-	pkg->transmission_type = transmission;
-	pkg->pkg.long_pkg.data = data;
-	pkg->pkg.long_pkg.len = len;
-	INIT_LIST_HEAD(&pkg->entry);
-
-	pkg_sender_queue_pkg(sender, pkg, delay);
-	return 0;
-}
-
-static int mdfld_dsi_send_mcs_short(struct mdfld_dsi_pkg_sender *sender,
-					u8 cmd, u8 param, u8 param_num,
-					u8 transmission,
-					int delay)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-	pkg = pkg_sender_get_pkg_locked(sender);
-	spin_unlock_irqrestore(&sender->lock, flags);
-
-	if (!pkg) {
-		dev_err(sender->dev->dev, "No memory\n");
-		return -ENOMEM;
-	}
-
-	if (param_num) {
-		pkg->pkg_type = MDFLD_DSI_PKG_MCS_SHORT_WRITE_1;
-		pkg->pkg.short_pkg.param = param;
-	} else {
-		pkg->pkg_type = MDFLD_DSI_PKG_MCS_SHORT_WRITE_0;
-		pkg->pkg.short_pkg.param = 0;
-	}
-	pkg->transmission_type = transmission;
-	pkg->pkg.short_pkg.cmd = cmd;
-	INIT_LIST_HEAD(&pkg->entry);
-
-	pkg_sender_queue_pkg(sender, pkg, delay);
-	return 0;
-}
-
-static int mdfld_dsi_send_gen_short(struct mdfld_dsi_pkg_sender *sender,
-					u8 param0, u8 param1, u8 param_num,
-					u8 transmission,
-					int delay)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-	pkg = pkg_sender_get_pkg_locked(sender);
-	spin_unlock_irqrestore(&sender->lock, flags);
-
-	if (!pkg) {
-		dev_err(sender->dev->dev, "No pkg memory\n");
-		return -ENOMEM;
-	}
-
-	switch (param_num) {
-	case 0:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_0;
-		pkg->pkg.short_pkg.cmd = 0;
-		pkg->pkg.short_pkg.param = 0;
-		break;
-	case 1:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_1;
-		pkg->pkg.short_pkg.cmd = param0;
-		pkg->pkg.short_pkg.param = 0;
-		break;
-	case 2:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_2;
-		pkg->pkg.short_pkg.cmd = param0;
-		pkg->pkg.short_pkg.param = param1;
-		break;
-	}
-
-	pkg->transmission_type = transmission;
-	INIT_LIST_HEAD(&pkg->entry);
-
-	pkg_sender_queue_pkg(sender, pkg, delay);
-	return 0;
-}
-
-static int mdfld_dsi_send_gen_long(struct mdfld_dsi_pkg_sender *sender,
-				u32 *data, u32 len, u8 transmission, int delay)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-	pkg = pkg_sender_get_pkg_locked(sender);
-	spin_unlock_irqrestore(&sender->lock, flags);
-
-	if (!pkg) {
-		dev_err(sender->dev->dev, "No pkg memory\n");
-		return -ENOMEM;
-	}
-
-	pkg->pkg_type = MDFLD_DSI_PKG_GEN_LONG_WRITE;
-	pkg->transmission_type = transmission;
-	pkg->pkg.long_pkg.data = data;
-	pkg->pkg.long_pkg.len = len;
-
-	INIT_LIST_HEAD(&pkg->entry);
-
-	pkg_sender_queue_pkg(sender, pkg, delay);
-
-	return 0;
-}
-
-static int __read_panel_data(struct mdfld_dsi_pkg_sender *sender,
-				struct mdfld_dsi_pkg *pkg,
-				u32 *data,
-				u16 len)
-{
-	unsigned long flags;
-	struct drm_device *dev = sender->dev;
-	int i;
-	u32 gen_data_reg;
-	int retry = MDFLD_DSI_READ_MAX_COUNT;
-	u8 transmission = pkg->transmission_type;
-
-	/*
-	 * do reading.
-	 * 0) send out generic read request
-	 * 1) polling read data avail interrupt
-	 * 2) read data
-	 */
-	spin_lock_irqsave(&sender->lock, flags);
-
-	REG_WRITE(sender->mipi_intr_stat_reg, 1 << 29);
-
-	if ((REG_READ(sender->mipi_intr_stat_reg) & (1 << 29)))
-		DRM_ERROR("Can NOT clean read data valid interrupt\n");
-
-	/*send out read request*/
-	send_pkg(sender, pkg);
-
-	pkg_sender_put_pkg_locked(sender, pkg);
-
-	/*polling read data avail interrupt*/
-	while (retry && !(REG_READ(sender->mipi_intr_stat_reg) & (1 << 29))) {
-		udelay(100);
-		retry--;
-	}
-
-	if (!retry) {
-		spin_unlock_irqrestore(&sender->lock, flags);
-		return -ETIMEDOUT;
-	}
-
-	REG_WRITE(sender->mipi_intr_stat_reg, (1 << 29));
-
-	/*read data*/
-	if (transmission == MDFLD_DSI_HS_TRANSMISSION)
-		gen_data_reg = sender->mipi_hs_gen_data_reg;
-	else if (transmission == MDFLD_DSI_LP_TRANSMISSION)
-		gen_data_reg = sender->mipi_lp_gen_data_reg;
-	else {
-		DRM_ERROR("Unknown transmission");
-		spin_unlock_irqrestore(&sender->lock, flags);
-		return -EINVAL;
-	}
-
-	for (i=0; i<len; i++)
-		*(data + i) = REG_READ(gen_data_reg);
-
- 	spin_unlock_irqrestore(&sender->lock, flags);
- 
-	return 0;
-}
-
-static int mdfld_dsi_read_gen(struct mdfld_dsi_pkg_sender *sender,
-				u8 param0,
-				u8 param1,
-				u8 param_num,
-				u32 *data,
-				u16 len,
-				u8 transmission)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-
-	pkg = pkg_sender_get_pkg_locked(sender);
-
-	spin_unlock_irqrestore(&sender->lock,flags);
-
-	if (!pkg) {
-		dev_err(sender->dev->dev, "No pkg memory\n");
-		return -ENOMEM;
-	}
-
-	switch (param_num) {
-	case 0:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_0;
-		pkg->pkg.short_pkg.cmd = 0;
-		pkg->pkg.short_pkg.param = 0;
-		break;
-	case 1:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_1;
-		pkg->pkg.short_pkg.cmd = param0;
-		pkg->pkg.short_pkg.param = 0;
-		break;
- 	case 2:
-		pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_2;
-		pkg->pkg.short_pkg.cmd = param0;
-		pkg->pkg.short_pkg.param = param1;
-		break;
-	}
-
-	pkg->transmission_type = transmission;
-
-	INIT_LIST_HEAD(&pkg->entry);
-
-	return __read_panel_data(sender, pkg, data, len);
-}
- 
-static int mdfld_dsi_read_mcs(struct mdfld_dsi_pkg_sender *sender,
-				u8 cmd,
-				u32 *data,
-				u16 len,
-				u8 transmission)
-{
-	struct mdfld_dsi_pkg *pkg;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sender->lock, flags);
-
-	pkg = pkg_sender_get_pkg_locked(sender);
-
- 	spin_unlock_irqrestore(&sender->lock, flags);
- 
- 	if (!pkg) {
-		dev_err(sender->dev->dev, "No pkg memory\n");
- 		return -ENOMEM;
-	}
-
-	pkg->pkg_type = MDFLD_DSI_PKG_MCS_READ;
-	pkg->pkg.short_pkg.cmd = cmd;
-	pkg->pkg.short_pkg.param = 0;
-
-	pkg->transmission_type = transmission;
- 
-	INIT_LIST_HEAD(&pkg->entry);
-
-	return __read_panel_data(sender, pkg, data, len);
-}
-
-void dsi_controller_dbi_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct drm_device * dev = dsi_config->dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int lane_count = dsi_config->lane_count;
-	u32 val = 0;
-
-	/*un-ready device*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-	/*init dsi adapter before kicking off*/
-	REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-	/*TODO: figure out how to setup these registers*/
-	REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-	REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), 0x000a0014);
-	REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400);
-	REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000001);
-	REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000);
-
-	/*enable all interrupts*/
-	REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-	/*max value: 20 clock cycles of txclkesc*/
-	REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f);
-	/*min 21 txclkesc, max: ffffh*/
-	REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff);
-	/*min: 7d0 max: 4e20*/
-	REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0);
-
-	/*set up max return packet size*/
-	REG_WRITE((MIPIA_MAX_RETURN_PACK_SIZE_REG + reg_offset),
-			MDFLD_DSI_MAX_RETURN_PACKET_SIZE);
-
-	/*set up func_prg*/
-	val |= lane_count;
-	val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET);
-	val |= DSI_DBI_COLOR_FORMAT_OPTION2;
-	REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-	REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff);
-	REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff);
-
-	REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-	REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-	REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-void dsi_controller_dpi_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	struct drm_device * dev = dsi_config->dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int lane_count = dsi_config->lane_count;
-	struct mdfld_dsi_dpi_timing dpi_timing;
-	struct drm_display_mode * mode = dsi_config->mode;
-	u32 val = 0;
-
-	/*un-ready device*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-	/*init dsi adapter before kicking off*/
-	REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-	/*enable all interrupts*/
-	REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-
-	/*set up func_prg*/
-	val |= lane_count;
-	val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET;
-
-	switch(dsi_config->bpp) {
-	case 16:
-		val |= DSI_DPI_COLOR_FORMAT_RGB565;
-		break;
-	case 18:
-		val |= DSI_DPI_COLOR_FORMAT_RGB666;
-		break;
-	case 24:
-		val |= DSI_DPI_COLOR_FORMAT_RGB888;
-		break;
-	default:
-		DRM_ERROR("unsupported color format, bpp = %d\n", dsi_config->bpp);
-	}
-
-	REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-	REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset),
-			(mode->vtotal * mode->htotal * dsi_config->bpp / (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK);
-	REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff & DSI_LP_RX_TIMEOUT_MASK);
-
-	/*max value: 20 clock cycles of txclkesc*/
-	REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK);
-
-	/*min 21 txclkesc, max: ffffh*/
-	REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0xffff & DSI_RESET_TIMER_MASK);
-
-	REG_WRITE((MIPIA_DPI_RESOLUTION_REG + reg_offset), mode->vdisplay << 16 | mode->hdisplay);
-
-	/*set DPI timing registers*/
-	mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing, dsi_config->lane_count, dsi_config->bpp);
-
-	REG_WRITE((MIPIA_HSYNC_COUNT_REG + reg_offset), dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HBP_COUNT_REG + reg_offset), dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HFP_COUNT_REG + reg_offset), dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_HACTIVE_COUNT_REG + reg_offset), dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VSYNC_COUNT_REG + reg_offset), dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VBP_COUNT_REG + reg_offset), dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
-	REG_WRITE((MIPIA_VFP_COUNT_REG + reg_offset), dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
-
-	REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-
-	/*min: 7d0 max: 4e20*/
-	REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x000007d0);
-
-	/*set up video mode*/
-	val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE;
-	REG_WRITE((MIPIA_VIDEO_MODE_FORMAT_REG + reg_offset), val);
-
-	REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-
-	REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-
-	/*TODO: figure out how to setup these registers*/
-	REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-
-	REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), (0xa << 16) | 0x14);
-
-	/*set device ready*/
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-static void dsi_controller_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-	if (!dsi_config || ((pipe != 0) && (pipe != 2))) {
-		DRM_ERROR("Invalid parameters\n");
-		return;
-	}
-
-	if (dsi_config->type == MDFLD_DSI_ENCODER_DPI)
-		dsi_controller_dpi_init(dsi_config, pipe);
-	else if (dsi_config->type == MDFLD_DSI_ENCODER_DBI)
-		dsi_controller_dbi_init(dsi_config, pipe);
-	else
-		DRM_ERROR("Bad DSI encoder type\n");
-}
-
-void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender)
-{
-	process_pkg_list(sender);
-}
-
-int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender,
-			u8 dcs, u8 *param, u32 param_num, u8 data_src,
-			int delay)
-{
-	struct mdfld_dsi_pkg *pkg;
-	u32 cb_phy = sender->dbi_cb_phy;
-	struct drm_device *dev = sender->dev;
-	u32 index = 0;
-	u8 *cb = (u8 *)sender->dbi_cb_addr;
-	unsigned long flags;
-	int retry;
-	u8 *dst = NULL;
-	u32 len;
-
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	if (!sender->dbi_pkg_support) {
-		dev_err(dev->dev, "No DBI pkg sending on this sender\n");
-		return -ENOTSUPP;
-	}
-
-	if (param_num > MDFLD_MAX_DCS_PARAM) {
-		dev_err(dev->dev, "Sender only supports up to %d DCS params\n",
-							MDFLD_MAX_DCS_PARAM);
-		return -EINVAL;
-	}
-
-	/*
-	 * If dcs is write_mem_start, send it directly using DSI adapter
-	 * interface
-	 */
-	if (dcs == DCS_WRITE_MEM_START) {
-		if (!spin_trylock(&sender->lock))
-			return -EAGAIN;
-
-		/*
-		 * query whether DBI FIFO is empty,
-		 * if not wait it becoming empty
-		 */
-		retry = MDFLD_DSI_DBI_FIFO_TIMEOUT;
-		while (retry &&
-		    !(REG_READ(sender->mipi_gen_fifo_stat_reg) & (1 << 27))) {
-			udelay(500);
-			retry--;
-		}
-
-		/* If DBI FIFO timeout, drop this frame */
-		if (!retry) {
-			spin_unlock(&sender->lock);
-			return 0;
-		}
-
-		*(cb + (index++)) = write_mem_start;
-
-		REG_WRITE(sender->mipi_cmd_len_reg, 1);
-		REG_WRITE(sender->mipi_cmd_addr_reg,
-					cb_phy | (1 << 0) | (1 << 1));
-
-		retry = MDFLD_DSI_DBI_FIFO_TIMEOUT;
-		while (retry &&
-			(REG_READ(sender->mipi_cmd_addr_reg) & (1 << 0))) {
-			udelay(1);
-			retry--;
-		}
-
-		spin_unlock(&sender->lock);
-		return 0;
-	}
-
-	/* Get a free pkg */
-	spin_lock_irqsave(&sender->lock, flags);
-	pkg = pkg_sender_get_pkg_locked(sender);
-	spin_unlock_irqrestore(&sender->lock, flags);
-
-	if (!pkg) {
-		dev_err(dev->dev, "No packages memory\n");
-		return -ENOMEM;
-	}
-
-	dst = pkg->pkg.dcs_pkg.param;
-	memcpy(dst, param, param_num);
-
-	pkg->pkg_type = MDFLD_DSI_PKG_DCS;
-	pkg->transmission_type = MDFLD_DSI_DCS;
-	pkg->pkg.dcs_pkg.cmd = dcs;
-	pkg->pkg.dcs_pkg.param_num = param_num;
-	pkg->pkg.dcs_pkg.data_src = data_src;
-
-	INIT_LIST_HEAD(&pkg->entry);
-
-	if (param_num == 0)
-		return mdfld_dsi_send_mcs_short_hs(sender, dcs, 0, 0, delay);
-	else if (param_num == 1)
-		return mdfld_dsi_send_mcs_short_hs(sender, dcs,
-							param[0], 1, delay);
-	else if (param_num > 1) {
-		len = (param_num + 1) / 4;
-		if ((param_num + 1) % 4)
-			len++;
-		return mdfld_dsi_send_mcs_long_hs(sender,
-				(u32 *)&pkg->pkg.dcs_pkg, len, delay);
-	}
-	return 0;
-}
-
-int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender,
-				u8 cmd, u8 param, u8 param_num, int delay)
-{
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_mcs_short(sender, cmd, param, param_num,
-					MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender,
-				u8 cmd, u8 param, u8 param_num, int delay)
-{
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_mcs_short(sender, cmd, param, param_num,
-					MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender,
-				u32 *data,
-				u32 len,
-				int delay)
-{
-	if (!sender || !data || !len) {
-		DRM_ERROR("Invalid parameters\n");
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_mcs_long(sender, data, len,
-					MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender,
-				u32 *data,
-				u32 len,
-				int delay)
-{
-	if (!sender || !data || !len) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_mcs_long(sender, data, len,
-				MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender,
-				u8 param0, u8 param1, u8 param_num, int delay)
-{
-	if (!sender) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_gen_short(sender, param0, param1, param_num,
-					MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender,
-				u8 param0, u8 param1, u8 param_num, int delay)
-{
-	if (!sender || param_num < 0 || param_num > 2) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_gen_short(sender, param0, param1, param_num,
-					MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender,
-				u32 *data,
-				u32 len,
-				int delay)
-{
-	if (!sender || !data || !len) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_gen_long(sender, data, len,
-					MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender,
-				u32 *data,
-				u32 len,
-				int delay)
-{
-	if (!sender || !data || !len) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-	return mdfld_dsi_send_gen_long(sender, data, len,
-					MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_read_gen_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0,
-			u8 param1,
-			u8 param_num,
-			u32 *data,
-			u16 len)
-{
-	if (!sender || !data || param_num < 0 || param_num > 2
-		|| !data || !len) {
-		DRM_ERROR("Invalid parameters\n");
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_read_gen(sender, param0, param1, param_num,
-				data, len, MDFLD_DSI_HS_TRANSMISSION);
-
-}
-
-int mdfld_dsi_read_gen_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0,
-			u8 param1,
-			u8 param_num,
-			u32 *data,
-			u16 len)
-{
-	if (!sender || !data || param_num < 0 || param_num > 2
-		|| !data || !len) {
-		DRM_ERROR("Invalid parameters\n");
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_read_gen(sender, param0, param1, param_num,
-				data, len, MDFLD_DSI_LP_TRANSMISSION);
-}
-
-int mdfld_dsi_read_mcs_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd,
-			u32 *data,
-			u16 len)
-{
-	if (!sender || !data || !len) {
-		DRM_ERROR("Invalid parameters\n");
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_read_mcs(sender, cmd, data, len,
-				MDFLD_DSI_HS_TRANSMISSION);
-}
-
-int mdfld_dsi_read_mcs_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd,
-			u32 *data,
-			u16 len)
-{
-	if (!sender || !data || !len) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	return mdfld_dsi_read_mcs(sender, cmd, data, len,
-				MDFLD_DSI_LP_TRANSMISSION);
-}
- 
-int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
-								int pipe)
-{
-	int ret;
-	struct mdfld_dsi_pkg_sender *pkg_sender;
-	struct mdfld_dsi_config *dsi_config =
-					mdfld_dsi_get_config(dsi_connector);
-	struct drm_device *dev = dsi_config->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_gtt *pg = &dev_priv->gtt;
-	int i;
-	struct mdfld_dsi_pkg *pkg, *tmp;
-	u32 mipi_val = 0;
-
-	if (!dsi_connector) {
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	pkg_sender = dsi_connector->pkg_sender;
-
-	if (!pkg_sender || IS_ERR(pkg_sender)) {
-		pkg_sender = kzalloc(sizeof(struct mdfld_dsi_pkg_sender),
-								GFP_KERNEL);
-		if (!pkg_sender) {
-			dev_err(dev->dev, "Create DSI pkg sender failed\n");
-			return -ENOMEM;
-		}
-
-		dsi_connector->pkg_sender = (void *)pkg_sender;
-	}
-
-	pkg_sender->dev = dev;
-	pkg_sender->dsi_connector = dsi_connector;
-	pkg_sender->pipe = pipe;
-	pkg_sender->pkg_num = 0;
-	pkg_sender->panel_mode = 0;
-	pkg_sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-
-	/* Init dbi command buffer*/
-
-	if (dsi_config->type == MDFLD_DSI_ENCODER_DBI) {
-		pkg_sender->dbi_pkg_support = 1;
-		ret = mdfld_dbi_cb_init(pkg_sender, pg, pipe);
-		if (ret) {
-			dev_err(dev->dev, "DBI command buffer map failed\n");
-			goto mapping_err;
-		}
-	}
-
-	/* Init regs */
-	if (pipe == 0) {
-		pkg_sender->dpll_reg = MRST_DPLL_A;
-		pkg_sender->dspcntr_reg = DSPACNTR;
-		pkg_sender->pipeconf_reg = PIPEACONF;
-		pkg_sender->dsplinoff_reg = DSPALINOFF;
-		pkg_sender->dspsurf_reg = DSPASURF;
-		pkg_sender->pipestat_reg = PIPEASTAT;
-
-		pkg_sender->mipi_intr_stat_reg = MIPIA_INTR_STAT_REG;
-		pkg_sender->mipi_lp_gen_data_reg = MIPIA_LP_GEN_DATA_REG;
-		pkg_sender->mipi_hs_gen_data_reg = MIPIA_HS_GEN_DATA_REG;
-		pkg_sender->mipi_lp_gen_ctrl_reg = MIPIA_LP_GEN_CTRL_REG;
-		pkg_sender->mipi_hs_gen_ctrl_reg = MIPIA_HS_GEN_CTRL_REG;
-		pkg_sender->mipi_gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-		pkg_sender->mipi_data_addr_reg = MIPIA_DATA_ADD_REG;
-		pkg_sender->mipi_data_len_reg = MIPIA_DATA_LEN_REG;
-		pkg_sender->mipi_cmd_addr_reg = MIPIA_CMD_ADD_REG;
-		pkg_sender->mipi_cmd_len_reg = MIPIA_CMD_LEN_REG;
-	} else if (pipe == 2) {
-		pkg_sender->dpll_reg = MRST_DPLL_A;
-		pkg_sender->dspcntr_reg = DSPCCNTR;
-		pkg_sender->pipeconf_reg = PIPECCONF;
-		pkg_sender->dsplinoff_reg = DSPCLINOFF;
-		pkg_sender->dspsurf_reg = DSPCSURF;
-		pkg_sender->pipestat_reg = PIPECSTAT;
-
-		pkg_sender->mipi_intr_stat_reg =
-				MIPIA_INTR_STAT_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_lp_gen_data_reg =
-				MIPIA_LP_GEN_DATA_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_hs_gen_data_reg =
-				MIPIA_HS_GEN_DATA_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_lp_gen_ctrl_reg =
-				MIPIA_LP_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_hs_gen_ctrl_reg =
-				MIPIA_HS_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_gen_fifo_stat_reg =
-				MIPIA_GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_data_addr_reg =
-				MIPIA_DATA_ADD_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_data_len_reg =
-				MIPIA_DATA_LEN_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_cmd_addr_reg =
-				MIPIA_CMD_ADD_REG + MIPIC_REG_OFFSET;
-		pkg_sender->mipi_cmd_len_reg =
-				MIPIA_CMD_LEN_REG + MIPIC_REG_OFFSET;
-	}
-
-	/* Init pkg list */
-	INIT_LIST_HEAD(&pkg_sender->pkg_list);
-	INIT_LIST_HEAD(&pkg_sender->free_list);
-
-	spin_lock_init(&pkg_sender->lock);
-
-	/* Allocate free pkg pool */
-	for (i = 0; i < MDFLD_MAX_PKG_NUM; i++) {
-		pkg = kzalloc(sizeof(struct mdfld_dsi_pkg), GFP_KERNEL);
-		if (!pkg) {
-			dev_err(dev->dev, "Out of memory allocating pkg pool");
-			ret = -ENOMEM;
-			goto pkg_alloc_err;
-		}
-		INIT_LIST_HEAD(&pkg->entry);
-		list_add_tail(&pkg->entry, &pkg_sender->free_list);
-	}
-
-	/*
-	 * For video mode, don't enable DPI timing output here,
-	 * will init the DPI timing output during mode setting.
-	 */
-	if (dsi_config->type == MDFLD_DSI_ENCODER_DPI)
-		mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
-	else if (dsi_config->type == MDFLD_DSI_ENCODER_DBI)
-		mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX
-			| TE_TRIGGER_GPIO_PIN;
-	else
-		DRM_ERROR("Bad DSI encoder type\n");
-
-	if (pipe == 0) {
-		mipi_val |= 0x2;
-		REG_WRITE(MIPI, mipi_val);
-		REG_READ(MIPI);
-	} else if (pipe == 2) {
-		REG_WRITE(MIPI_C, mipi_val);
-		REG_READ(MIPI_C);
-	}
-
-	/*do dsi controller init*/
-	dsi_controller_init(dsi_config, pipe);
-	
-	return 0;
-
-pkg_alloc_err:
-	list_for_each_entry_safe(pkg, tmp, &pkg_sender->free_list, entry) {
-		list_del(&pkg->entry);
-		kfree(pkg);
-	}
-
-	/* Free mapped command buffer */
-	mdfld_dbi_cb_destroy(pkg_sender);
-mapping_err:
-	kfree(pkg_sender);
-	dsi_connector->pkg_sender = NULL;
-	return ret;
-}
-
-void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender)
-{
-	struct mdfld_dsi_pkg *pkg, *tmp;
-
-	if (!sender || IS_ERR(sender))
-		return;
-
-	/* Free pkg pool */
-	list_for_each_entry_safe(pkg, tmp, &sender->free_list, entry) {
-		list_del(&pkg->entry);
-		kfree(pkg);
-	}
-	/* Free pkg list */
-	list_for_each_entry_safe(pkg, tmp, &sender->pkg_list, entry) {
-		list_del(&pkg->entry);
-		kfree(pkg);
-	}
-	mdfld_dbi_cb_destroy(sender);	/* free mapped command buffer */
-	kfree(sender);
-}
diff --git a/drivers/staging/gma500/mdfld_dsi_pkg_sender.h b/drivers/staging/gma500/mdfld_dsi_pkg_sender.h
deleted file mode 100644
index f24abc700684..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_pkg_sender.h
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jackie Li<yaodong.li@intel.com>
- */
-#ifndef __MDFLD_DSI_PKG_SENDER_H__
-#define __MDFLD_DSI_PKG_SENDER_H__
-
-#include <linux/kthread.h>
-
-#define MDFLD_MAX_DCS_PARAM	8
-#define MDFLD_MAX_PKG_NUM	2048
-
-enum {
-	MDFLD_DSI_PKG_DCS,
-	MDFLD_DSI_PKG_GEN_SHORT_WRITE_0 = 0x03,
-	MDFLD_DSI_PKG_GEN_SHORT_WRITE_1 = 0x13,
-	MDFLD_DSI_PKG_GEN_SHORT_WRITE_2 = 0x23,
-	MDFLD_DSI_PKG_GEN_READ_0 = 0x04,
-	MDFLD_DSI_PKG_GEN_READ_1 = 0x14,
-	MDFLD_DSI_PKG_GEN_READ_2 = 0x24,
-	MDFLD_DSI_PKG_GEN_LONG_WRITE = 0x29,
-	MDFLD_DSI_PKG_MCS_SHORT_WRITE_0 = 0x05,
-	MDFLD_DSI_PKG_MCS_SHORT_WRITE_1 = 0x15,
-	MDFLD_DSI_PKG_MCS_READ = 0x06,
-	MDFLD_DSI_PKG_MCS_LONG_WRITE = 0x39,
-};
-
-enum {
-	MDFLD_DSI_LP_TRANSMISSION,
-	MDFLD_DSI_HS_TRANSMISSION,
-	MDFLD_DSI_DCS,
-};
-
-enum {
-	MDFLD_DSI_PANEL_MODE_SLEEP = 0x1,
-};
-
-enum {
-	MDFLD_DSI_PKG_SENDER_FREE = 0x0,
-	MDFLD_DSI_PKG_SENDER_BUSY = 0x1,
-};
-
-enum {
-	MDFLD_DSI_SEND_PACKAGE,
-	MDFLD_DSI_QUEUE_PACKAGE,
-};
-
-struct mdfld_dsi_gen_short_pkg {
-	u8 cmd;
-	u8 param;
-};
-
-struct mdfld_dsi_gen_long_pkg {
-	u32 *data;
-	u32 len;
-};
-
-struct mdfld_dsi_dcs_pkg {
-	u8 cmd;
-	u8 param[MDFLD_MAX_DCS_PARAM];
-	u32 param_num;
-	u8 data_src;
-};
-
-struct mdfld_dsi_pkg {
-	u8 pkg_type;
-	u8 transmission_type;
-
-	union {
-		struct mdfld_dsi_gen_short_pkg short_pkg;
-		struct mdfld_dsi_gen_long_pkg long_pkg;
-		struct mdfld_dsi_dcs_pkg dcs_pkg;
-	} pkg;
-
-	struct list_head entry;
-};
-
-struct mdfld_dsi_pkg_sender {
-	struct drm_device *dev;
-	struct mdfld_dsi_connector *dsi_connector;
-	u32 status;
-
-	u32 panel_mode;
-
-	int pipe;
-
-	spinlock_t lock;
-	struct list_head pkg_list;
-	struct list_head free_list;
-
-	u32 pkg_num;
-
-	int dbi_pkg_support;
-
-	u32 dbi_cb_phy;
-	void *dbi_cb_addr;
-
-	/* Registers */
-	u32 dpll_reg;
-	u32 dspcntr_reg;
-	u32 pipeconf_reg;
-	u32 pipestat_reg;
-	u32 dsplinoff_reg;
-	u32 dspsurf_reg;
-
-	u32 mipi_intr_stat_reg;
-	u32 mipi_lp_gen_data_reg;
-	u32 mipi_hs_gen_data_reg;
-	u32 mipi_lp_gen_ctrl_reg;
-	u32 mipi_hs_gen_ctrl_reg;
-	u32 mipi_gen_fifo_stat_reg;
-	u32 mipi_data_addr_reg;
-	u32 mipi_data_len_reg;
-	u32 mipi_cmd_addr_reg;
-	u32 mipi_cmd_len_reg;
-};
-
-/* DCS definitions */
-#define DCS_SOFT_RESET			0x01
-#define DCS_ENTER_SLEEP_MODE		0x10
-#define DCS_EXIT_SLEEP_MODE		0x11
-#define DCS_SET_DISPLAY_OFF		0x28
-#define DCS_SET_DISPLAY_ON		0x29
-#define DCS_SET_COLUMN_ADDRESS		0x2a
-#define DCS_SET_PAGE_ADDRESS		0x2b
-#define DCS_WRITE_MEM_START		0x2c
-#define DCS_SET_TEAR_OFF		0x34
-#define DCS_SET_TEAR_ON 		0x35
-
-extern int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
-			int pipe);
-extern void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender);
-extern int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender, u8 dcs,
-			u8 *param, u32 param_num, u8 data_src, int delay);
-extern int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd, u8 param, u8 param_num, int delay);
-extern int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd, u8 param, u8 param_num, int delay);
-extern int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender,
-			u32 *data, u32 len, int delay);
-extern int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender,
-			u32 *data, u32 len, int delay);
-extern int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0, u8 param1, u8 param_num, int delay);
-extern int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0, u8 param1, u8 param_num, int delay);
-extern int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender,
-			u32 *data, u32 len, int delay);
-extern int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender,
-			u32 *data, u32 len, int delay);
-
-extern int mdfld_dsi_read_gen_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0, u8 param1, u8 param_num, u32 *data, u16 len);
-extern int mdfld_dsi_read_gen_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 param0, u8 param1, u8 param_num, u32 *data, u16 len);
-extern int mdfld_dsi_read_mcs_hs(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd, u32 *data, u16 len);
-extern int mdfld_dsi_read_mcs_lp(struct mdfld_dsi_pkg_sender *sender,
-			u8 cmd, u32 *data, u16 len);
-
-extern void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender);
-
-#endif /* __MDFLD_DSI_PKG_SENDER_H__ */
diff --git a/drivers/staging/gma500/mdfld_intel_display.c b/drivers/staging/gma500/mdfld_intel_display.c
deleted file mode 100644
index 0b37b7b6b02a..000000000000
--- a/drivers/staging/gma500/mdfld_intel_display.c
+++ /dev/null
@@ -1,1404 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include "framebuffer.h"
-#include "psb_intel_display.h"
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_dbi_dpu.h"
-
-#include <linux/pm_runtime.h>
-
-#ifdef MIN
-#undef MIN
-#endif
-
-#define MIN(x, y) (((x) < (y)) ? (x) : (y))
-
-/* Hardcoded currently */
-static int ksel = KSEL_CRYSTAL_19;
-
-extern void mdfld_save_display(struct drm_device *dev);
-extern bool gbgfxsuspended;
-
-struct psb_intel_range_t {
-	int min, max;
-};
-
-struct mdfld_limit_t {
-	struct psb_intel_range_t dot, m, p1;
-};
-
-struct mdfld_intel_clock_t {
-	/* given values */
-	int n;
-	int m1, m2;
-	int p1, p2;
-	/* derived values */
-	int dot;
-	int vco;
-	int m;
-	int p;
-};
-
-
-
-#define COUNT_MAX 0x10000000
-
-void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe)
-{
-	int count, temp;
-	u32 pipeconf_reg = PIPEACONF;
-	
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		pipeconf_reg = PIPEBCONF;
-		break;
-	case 2:
-		pipeconf_reg = PIPECCONF;
-		break;
-	default:
-		DRM_ERROR("Illegal Pipe Number. \n");
-		return;
-	}
-
-	/* FIXME JLIU7_PO */
-	psb_intel_wait_for_vblank(dev);
-	return;
-
-	/* Wait for for the pipe disable to take effect. */
-	for (count = 0; count < COUNT_MAX; count++) {
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_PIPE_STATE) == 0)
-			break;
-	}
-}
-
-void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe)
-{
-	int count, temp;
-	u32 pipeconf_reg = PIPEACONF;
-	
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		pipeconf_reg = PIPEBCONF;
-		break;
-	case 2:
-		pipeconf_reg = PIPECCONF;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number.\n");
-		return;
-	}
-
-	/* FIXME JLIU7_PO */
-	psb_intel_wait_for_vblank(dev);
-	return;
-
-	/* Wait for for the pipe enable to take effect. */
-	for (count = 0; count < COUNT_MAX; count++) {
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_PIPE_STATE) == 1)
-			break;
-	}
-}
-
-
-static int mdfld_intel_crtc_cursor_set(struct drm_crtc *crtc,
-				 struct drm_file *file_priv,
-				 uint32_t handle,
-				 uint32_t width, uint32_t height)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t control = CURACNTR;
-	uint32_t base = CURABASE;
-	uint32_t temp;
-	size_t addr = 0;
-	struct gtt_range *gt;
-	struct drm_gem_object *obj;
-	int ret;
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		control = CURBCNTR;
-		base = CURBBASE;
-		break;
-	case 2:
-		control = CURCCNTR;
-		base = CURCBASE;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number. \n");
-		return -EINVAL;
-	}
-	
-#if 1 /* FIXME_JLIU7 can't enalbe cursorB/C HW issue. need to remove after HW fix */
-	if (pipe != 0)
-		return 0;
-#endif 
-	/* if we want to turn of the cursor ignore width and height */
-	if (!handle) {
-		dev_dbg(dev->dev, "cursor off\n");
-		/* turn off the cursor */
-		temp = 0;
-		temp |= CURSOR_MODE_DISABLE;
-
-		if (gma_power_begin(dev, true)) {
-			REG_WRITE(control, temp);
-			REG_WRITE(base, 0);
-			gma_power_end(dev);
-		}
-		/* Unpin the old GEM object */
-		if (psb_intel_crtc->cursor_obj) {
-			gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-			psb_gtt_unpin(gt);
-			drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-			psb_intel_crtc->cursor_obj = NULL;
-		}
-		return 0;
-	}
-
-	/* Currently we only support 64x64 cursors */
-	if (width != 64 || height != 64) {
-		DRM_ERROR("we currently only support 64x64 cursors\n");
-		return -EINVAL;
-	}
-
-	obj = drm_gem_object_lookup(dev, file_priv, handle);
-	if (!obj)
-		return -ENOENT;
-
-	if (obj->size < width * height * 4) {
-		dev_dbg(dev->dev, "buffer is to small\n");
-		return -ENOMEM;
-	}
-
-	gt = container_of(obj, struct gtt_range, gem);
-
-	/* Pin the memory into the GTT */
-	ret = psb_gtt_pin(gt);
-	if (ret) {
-		dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-		return ret;
-	}
-
-
-	addr = gt->offset;	/* Or resource.start ??? */
-
-	psb_intel_crtc->cursor_addr = addr;
-
-	temp = 0;
-	/* set the pipe for the cursor */
-	temp |= (pipe << 28);
-	temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
-
-	if (gma_power_begin(dev, true)) {
-		REG_WRITE(control, temp);
-		REG_WRITE(base, addr);
-		gma_power_end(dev);
-	}
-	/* unpin the old GEM object */
-	if (psb_intel_crtc->cursor_obj) {
-		gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-		psb_gtt_unpin(gt);
-		drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-		psb_intel_crtc->cursor_obj = obj;
-	}
-	return 0;
-}
-
-static int mdfld_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private * dev_priv = (struct drm_psb_private *)dev->dev_private;
-	struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-	struct psb_drm_dpu_rect rect;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t pos = CURAPOS;
-	uint32_t base = CURABASE;
-	uint32_t temp = 0;
-	uint32_t addr;
-
-	switch (pipe) {
-	case 0:
-		if (dpu_info) {
-			rect.x = x;
-			rect.y = y;
-		
-			mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORA, &rect);
-			mdfld_dpu_exit_dsr(dev);
-		} else if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_0))
-			mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_CURSOR_0);
-		break;
-	case 1:
-		pos = CURBPOS;
-		base = CURBBASE;
-		break;
-	case 2:
-		if (dpu_info) {
-			mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORC, &rect);
-			mdfld_dpu_exit_dsr(dev);
-		} else if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_2))
-			mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_CURSOR_2);
-		pos = CURCPOS;
-		base = CURCBASE;
-		break;
-	default:
-		DRM_ERROR("Illegal Pipe Number. \n");
-		return -EINVAL;
-	}
-		
-#if 1 /* FIXME_JLIU7 can't enable cursorB/C HW issue. need to remove after HW fix */
-	if (pipe != 0)
-		return 0;
-#endif 
-	if (x < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
-		x = -x;
-	}
-	if (y < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
-		y = -y;
-	}
-
-	temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-	temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
-
-	addr = psb_intel_crtc->cursor_addr;
-
-	if (gma_power_begin(dev, true)) {
-		REG_WRITE(pos, temp);
-		REG_WRITE(base, addr);
-		gma_power_end(dev);
-	}
-
-	return 0;
-}
-
-const struct drm_crtc_funcs mdfld_intel_crtc_funcs = {
-	.cursor_set = mdfld_intel_crtc_cursor_set,
-	.cursor_move = mdfld_intel_crtc_cursor_move,
-	.gamma_set = psb_intel_crtc_gamma_set,
-	.set_config = drm_crtc_helper_set_config,
-	.destroy = psb_intel_crtc_destroy,
-};
-
-static struct drm_device globle_dev;
-
-void mdfld__intel_plane_set_alpha(int enable)
-{
-	struct drm_device *dev = &globle_dev;
-	int dspcntr_reg = DSPACNTR;
-	u32 dspcntr;
-
-	dspcntr = REG_READ(dspcntr_reg);
-
-	if (enable) {
-		dspcntr &= ~DISPPLANE_32BPP_NO_ALPHA;
-		dspcntr |= DISPPLANE_32BPP;
-	} else {
-		dspcntr &= ~DISPPLANE_32BPP;
-		dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-	}
-
-	REG_WRITE(dspcntr_reg, dspcntr);
-}
-
-int mdfld__intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_i915_master_private *master_priv; */
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-	int pipe = psb_intel_crtc->pipe;
-	unsigned long start, offset;
-	int dsplinoff = DSPALINOFF;
-	int dspsurf = DSPASURF;
-	int dspstride = DSPASTRIDE;
-	int dspcntr_reg = DSPACNTR;
-	u32 dspcntr;
-	int ret = 0;
-
-	memcpy(&globle_dev, dev, sizeof(struct drm_device));
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	/* no fb bound */
-	if (!crtc->fb) {
-		dev_err(dev->dev, "No FB bound\n");
-		goto psb_intel_pipe_cleaner;
-	}
-
-	switch (pipe) {
-	case 0:
-		dsplinoff = DSPALINOFF;
-		break;
-	case 1:
-		dsplinoff = DSPBLINOFF;
-		dspsurf = DSPBSURF;
-		dspstride = DSPBSTRIDE;
-		dspcntr_reg = DSPBCNTR;
-		break;
-	case 2:
-		dsplinoff = DSPCLINOFF;
-		dspsurf = DSPCSURF;
-		dspstride = DSPCSTRIDE;
-		dspcntr_reg = DSPCCNTR;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number.\n");
-		return -EINVAL;
-	}
-
-	ret = psb_gtt_pin(psbfb->gtt);
-	if (ret < 0)
-	        goto psb_intel_pipe_set_base_exit;
-
-	start = psbfb->gtt->offset;
-	offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-	REG_WRITE(dspstride, crtc->fb->pitches[0]);
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-	switch (crtc->fb->bits_per_pixel) {
-	case 8:
-		dspcntr |= DISPPLANE_8BPP;
-		break;
-	case 16:
-		if (crtc->fb->depth == 15)
-			dspcntr |= DISPPLANE_15_16BPP;
-		else
-			dspcntr |= DISPPLANE_16BPP;
-		break;
-	case 24:
-	case 32:
-		dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-		break;
-	default:
-		dev_err(dev->dev, "Unknown color depth\n");
-		ret = -EINVAL;
-		goto psb_intel_pipe_set_base_exit;
-	}
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-	dev_dbg(dev->dev, "Writing base %08lX %08lX %d %d\n",
-	                                        start, offset, x, y);
-
-	REG_WRITE(dsplinoff, offset);
-	REG_READ(dsplinoff);
-	REG_WRITE(dspsurf, start);
-	REG_READ(dspsurf);
-
-psb_intel_pipe_cleaner:
-	/* If there was a previous display we can now unpin it */
-	if (old_fb)
-		psb_gtt_unpin(to_psb_fb(old_fb)->gtt);
-
-psb_intel_pipe_set_base_exit:
-	gma_power_end(dev);
-	return ret;
-}
-
-/**
- * Disable the pipe, plane and pll.
- *
- */
-void mdfld_disable_crtc (struct drm_device *dev, int pipe)
-{
-	int dpll_reg = MRST_DPLL_A;
-	int dspcntr_reg = DSPACNTR;
-	int dspbase_reg = MRST_DSPABASE;
-	int pipeconf_reg = PIPEACONF;
-	u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG;
-	u32 temp;
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		dpll_reg = MDFLD_DPLL_B;
-		dspcntr_reg = DSPBCNTR;
-		dspbase_reg = DSPBSURF;
-		pipeconf_reg = PIPEBCONF;
-		break;
-	case 2:
-		dpll_reg = MRST_DPLL_A;
-		dspcntr_reg = DSPCCNTR;
-		dspbase_reg = MDFLD_DSPCBASE;
-		pipeconf_reg = PIPECCONF;
-		gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number. \n");
-		return;
-	}
-
-	if (pipe != 1)
-		mdfld_dsi_gen_fifo_ready (dev, gen_fifo_stat_reg, HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
-	/* Disable display plane */
-	temp = REG_READ(dspcntr_reg);
-	if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-		REG_WRITE(dspcntr_reg,
-			  temp & ~DISPLAY_PLANE_ENABLE);
-		/* Flush the plane changes */
-		REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-		REG_READ(dspbase_reg);
-	}
-
-	/* FIXME_JLIU7 MDFLD_PO revisit */
-	/* Wait for vblank for the disable to take effect */
-/* MDFLD_PO_JLIU7		psb_intel_wait_for_vblank(dev); */
-
-	/* Next, disable display pipes */
-	temp = REG_READ(pipeconf_reg);
-	if ((temp & PIPEACONF_ENABLE) != 0) {
-		temp &= ~PIPEACONF_ENABLE;
-		temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF;
-		REG_WRITE(pipeconf_reg, temp);
-		REG_READ(pipeconf_reg);
-
-		/* Wait for for the pipe disable to take effect. */
-		mdfldWaitForPipeDisable(dev, pipe);
-	}
-
-	temp = REG_READ(dpll_reg);
-	if (temp & DPLL_VCO_ENABLE) {
-		if (((pipe != 1) && !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE))
-				|| (pipe == 1)){
-			temp &= ~(DPLL_VCO_ENABLE);
-			REG_WRITE(dpll_reg, temp);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to turn off. */
-			/* FIXME_MDFLD PO may need more delay */
-			udelay(500);
-
-			if (!(temp & MDFLD_PWR_GATE_EN)) {
-				/* gating power of DPLL */
-				REG_WRITE(dpll_reg, temp | MDFLD_PWR_GATE_EN);
-				/* FIXME_MDFLD PO - change 500 to 1 after PO */
-				udelay(5000);
-			}
-		}
-	}
-
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void mdfld_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	int dpll_reg = MRST_DPLL_A;
-	int dspcntr_reg = DSPACNTR;
-	int dspbase_reg = MRST_DSPABASE;
-	int pipeconf_reg = PIPEACONF;
-	u32 pipestat_reg = PIPEASTAT;
-	u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG;
-	u32 pipeconf = dev_priv->pipeconf;
-	u32 dspcntr = dev_priv->dspcntr;
-	u32 mipi_enable_reg = MIPIA_DEVICE_READY_REG;
-	u32 temp;
-	bool enabled;
-	int timeout = 0;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	 /* Ignore if system is already in DSR and in suspended state. */
-	if(/*gbgfxsuspended */0 && dev_priv->dispstatus == false && mode == 3){
-	    if(dev_priv->rpm_enabled && pipe == 1){
-	//          dev_priv->is_mipi_on = false;
-	          pm_request_idle(&dev->pdev->dev);
-	    }
-	    return;
-	}else if(mode == 0) {
-		//do not need to set gbdispstatus=true in crtc.
-		//this will be set in encoder such as mdfld_dsi_dbi_dpms
-	    //gbdispstatus = true;
-	}
-
-/* FIXME_JLIU7 MDFLD_PO replaced w/ the following function */
-/* mdfld_dbi_dpms (struct drm_device *dev, int pipe, bool enabled) */
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		dpll_reg = DPLL_B;
-		dspcntr_reg = DSPBCNTR;
-		dspbase_reg = MRST_DSPBBASE;
-		pipeconf_reg = PIPEBCONF;
-		pipeconf = dev_priv->pipeconf1;
-		dspcntr = dev_priv->dspcntr1;
-		dpll_reg = MDFLD_DPLL_B;
-		break;
-	case 2:
-		dpll_reg = MRST_DPLL_A;
-		dspcntr_reg = DSPCCNTR;
-		dspbase_reg = MDFLD_DSPCBASE;
-		pipeconf_reg = PIPECCONF;
-		pipestat_reg = PIPECSTAT;
-		pipeconf = dev_priv->pipeconf2;
-		dspcntr = dev_priv->dspcntr2;
-		gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET;
-		mipi_enable_reg = MIPIA_DEVICE_READY_REG + MIPIC_REG_OFFSET;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number.\n");
-		return;
-	}
-
-	/* XXX: When our outputs are all unaware of DPMS modes other than off
-	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-	 */
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-		/* Enable the DPLL */
-		temp = REG_READ(dpll_reg);
-
-		if ((temp & DPLL_VCO_ENABLE) == 0) {
-			/* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
-			if (temp & MDFLD_PWR_GATE_EN) {
-				temp &= ~MDFLD_PWR_GATE_EN;
-				REG_WRITE(dpll_reg, temp);
-				/* FIXME_MDFLD PO - change 500 to 1 after PO */
-				udelay(500);
-			}
-
-			REG_WRITE(dpll_reg, temp);
-			REG_READ(dpll_reg);
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(500);
-			
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-
-			/**
-			 * wait for DSI PLL to lock
-			 * NOTE: only need to poll status of pipe 0 and pipe 1,
-			 * since both MIPI pipes share the same PLL.
-			 */
-			while ((pipe != 2) && (timeout < 20000) && !(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
-				udelay(150);
-				timeout ++;
-			}
-		}
-
-		/* Enable the plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-			REG_WRITE(dspcntr_reg,
-				temp | DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-		}
-
-		/* Enable the pipe */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) == 0) {
-			REG_WRITE(pipeconf_reg, pipeconf);
-
-			/* Wait for for the pipe enable to take effect. */
-			mdfldWaitForPipeEnable(dev, pipe);
-		}
-
-		/*workaround for sighting 3741701 Random X blank display*/
-		/*perform w/a in video mode only on pipe A or C*/
-		if ((pipe == 0 || pipe == 2) &&
-			(mdfld_panel_dpi(dev) == true)) {
-			REG_WRITE(pipestat_reg, REG_READ(pipestat_reg));
-			msleep(100);
-			if(PIPE_VBLANK_STATUS & REG_READ(pipestat_reg)) {
-				printk(KERN_ALERT "OK");
-			} else {
-				printk(KERN_ALERT "STUCK!!!!");
-				/*shutdown controller*/
-				temp = REG_READ(dspcntr_reg);
-				REG_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE);
-				REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-				/*mdfld_dsi_dpi_shut_down(dev, pipe);*/
-				REG_WRITE(0xb048, 1);
-				msleep(100);
-				temp = REG_READ(pipeconf_reg);
-				temp &= ~PIPEACONF_ENABLE;
-				REG_WRITE(pipeconf_reg, temp);
-				msleep(100); /*wait for pipe disable*/
-			/*printk(KERN_ALERT "70008 is %x\n", REG_READ(0x70008));
-			printk(KERN_ALERT "b074 is %x\n", REG_READ(0xb074));*/
-				REG_WRITE(mipi_enable_reg, 0);
-				msleep(100);
-			printk(KERN_ALERT "70008 is %x\n", REG_READ(0x70008));
-			printk(KERN_ALERT "b074 is %x\n", REG_READ(0xb074));
-				REG_WRITE(0xb004, REG_READ(0xb004));
-				/* try to bring the controller back up again*/
-				REG_WRITE(mipi_enable_reg, 1);
-				temp = REG_READ(dspcntr_reg);
-				REG_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE);
-				REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-				/*mdfld_dsi_dpi_turn_on(dev, pipe);*/
-				REG_WRITE(0xb048, 2);
-				msleep(100);
-				temp = REG_READ(pipeconf_reg);
-				temp |= PIPEACONF_ENABLE;
-				REG_WRITE(pipeconf_reg, temp);
-			}
-		}
-
-		psb_intel_crtc_load_lut(crtc);
-
-		/* Give the overlay scaler a chance to enable
-		   if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, true); TODO */
-
-		break;
-	case DRM_MODE_DPMS_OFF:
-		/* Give the overlay scaler a chance to disable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-		if (pipe != 1)
-			mdfld_dsi_gen_fifo_ready (dev, gen_fifo_stat_reg, HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
-		/* Disable the VGA plane that we never use */
-		REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-		/* Disable display plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp & ~DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-			REG_READ(dspbase_reg);
-		}
-
-		/* FIXME_JLIU7 MDFLD_PO revisit */
-		/* Wait for vblank for the disable to take effect */
-// MDFLD_PO_JLIU7		psb_intel_wait_for_vblank(dev);
-
-		/* Next, disable display pipes */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			temp &= ~PIPEACONF_ENABLE;
-			temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF;
-			REG_WRITE(pipeconf_reg, temp);
-//			REG_WRITE(pipeconf_reg, 0);
-			REG_READ(pipeconf_reg);
-
-			/* Wait for for the pipe disable to take effect. */
-			mdfldWaitForPipeDisable(dev, pipe);
-		}
-
-		temp = REG_READ(dpll_reg);
-		if (temp & DPLL_VCO_ENABLE) {
-			if (((pipe != 1) && !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE))
-					|| (pipe == 1)){
-				temp &= ~(DPLL_VCO_ENABLE);
-				REG_WRITE(dpll_reg, temp);
-				REG_READ(dpll_reg);
-				/* Wait for the clocks to turn off. */
-				/* FIXME_MDFLD PO may need more delay */
-				udelay(500);
-#if 0 /* MDFLD_PO_JLIU7 */	
-		if (!(temp & MDFLD_PWR_GATE_EN)) {
-			/* gating power of DPLL */
-			REG_WRITE(dpll_reg, temp | MDFLD_PWR_GATE_EN);
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(5000);
-		}
-#endif  /* MDFLD_PO_JLIU7 */	
-			}
-		}
-		break;
-	}
-
-	enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-
-#if 0				/* JB: Add vblank support later */
-	if (enabled)
-		dev_priv->vblank_pipe |= (1 << pipe);
-	else
-		dev_priv->vblank_pipe &= ~(1 << pipe);
-#endif
-
-	gma_power_end(dev);
-}
-
-
-#define MDFLD_LIMT_DPLL_19	    0
-#define MDFLD_LIMT_DPLL_25	    1
-#define MDFLD_LIMT_DPLL_83	    2
-#define MDFLD_LIMT_DPLL_100	    3
-#define MDFLD_LIMT_DSIPLL_19	    4
-#define MDFLD_LIMT_DSIPLL_25	    5
-#define MDFLD_LIMT_DSIPLL_83	    6
-#define MDFLD_LIMT_DSIPLL_100	    7
-
-#define MDFLD_DOT_MIN		  19750  /* FIXME_MDFLD JLIU7 need to find out  min & max for MDFLD */
-#define MDFLD_DOT_MAX		  120000
-#define MDFLD_DPLL_M_MIN_19	    113
-#define MDFLD_DPLL_M_MAX_19	    155
-#define MDFLD_DPLL_P1_MIN_19	    2
-#define MDFLD_DPLL_P1_MAX_19	    10
-#define MDFLD_DPLL_M_MIN_25	    101
-#define MDFLD_DPLL_M_MAX_25	    130
-#define MDFLD_DPLL_P1_MIN_25	    2
-#define MDFLD_DPLL_P1_MAX_25	    10
-#define MDFLD_DPLL_M_MIN_83	    64
-#define MDFLD_DPLL_M_MAX_83	    64
-#define MDFLD_DPLL_P1_MIN_83	    2
-#define MDFLD_DPLL_P1_MAX_83	    2
-#define MDFLD_DPLL_M_MIN_100	    64
-#define MDFLD_DPLL_M_MAX_100	    64
-#define MDFLD_DPLL_P1_MIN_100	    2
-#define MDFLD_DPLL_P1_MAX_100	    2
-#define MDFLD_DSIPLL_M_MIN_19	    131
-#define MDFLD_DSIPLL_M_MAX_19	    175
-#define MDFLD_DSIPLL_P1_MIN_19	    3
-#define MDFLD_DSIPLL_P1_MAX_19	    8
-#define MDFLD_DSIPLL_M_MIN_25	    97
-#define MDFLD_DSIPLL_M_MAX_25	    140
-#define MDFLD_DSIPLL_P1_MIN_25	    3
-#define MDFLD_DSIPLL_P1_MAX_25	    9
-#define MDFLD_DSIPLL_M_MIN_83	    33
-#define MDFLD_DSIPLL_M_MAX_83	    92
-#define MDFLD_DSIPLL_P1_MIN_83	    2
-#define MDFLD_DSIPLL_P1_MAX_83	    3
-#define MDFLD_DSIPLL_M_MIN_100	    97
-#define MDFLD_DSIPLL_M_MAX_100	    140
-#define MDFLD_DSIPLL_P1_MIN_100	    3
-#define MDFLD_DSIPLL_P1_MAX_100	    9
-
-static const struct mdfld_limit_t mdfld_limits[] = {
-	{			/* MDFLD_LIMT_DPLL_19 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DPLL_M_MIN_19, .max = MDFLD_DPLL_M_MAX_19},
-	 .p1 = {.min = MDFLD_DPLL_P1_MIN_19, .max = MDFLD_DPLL_P1_MAX_19},
-	 },
-	{			/* MDFLD_LIMT_DPLL_25 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DPLL_M_MIN_25, .max = MDFLD_DPLL_M_MAX_25},
-	 .p1 = {.min = MDFLD_DPLL_P1_MIN_25, .max = MDFLD_DPLL_P1_MAX_25},
-	 },
-	{			/* MDFLD_LIMT_DPLL_83 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DPLL_M_MIN_83, .max = MDFLD_DPLL_M_MAX_83},
-	 .p1 = {.min = MDFLD_DPLL_P1_MIN_83, .max = MDFLD_DPLL_P1_MAX_83},
-	 },
-	{			/* MDFLD_LIMT_DPLL_100 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DPLL_M_MIN_100, .max = MDFLD_DPLL_M_MAX_100},
-	 .p1 = {.min = MDFLD_DPLL_P1_MIN_100, .max = MDFLD_DPLL_P1_MAX_100},
-	 },
-	{			/* MDFLD_LIMT_DSIPLL_19 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DSIPLL_M_MIN_19, .max = MDFLD_DSIPLL_M_MAX_19},
-	 .p1 = {.min = MDFLD_DSIPLL_P1_MIN_19, .max = MDFLD_DSIPLL_P1_MAX_19},
-	 },
-	{			/* MDFLD_LIMT_DSIPLL_25 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DSIPLL_M_MIN_25, .max = MDFLD_DSIPLL_M_MAX_25},
-	 .p1 = {.min = MDFLD_DSIPLL_P1_MIN_25, .max = MDFLD_DSIPLL_P1_MAX_25},
-	 },
-	{			/* MDFLD_LIMT_DSIPLL_83 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DSIPLL_M_MIN_83, .max = MDFLD_DSIPLL_M_MAX_83},
-	 .p1 = {.min = MDFLD_DSIPLL_P1_MIN_83, .max = MDFLD_DSIPLL_P1_MAX_83},
-	 },
-	{			/* MDFLD_LIMT_DSIPLL_100 */
-	 .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-	 .m = {.min = MDFLD_DSIPLL_M_MIN_100, .max = MDFLD_DSIPLL_M_MAX_100},
-	 .p1 = {.min = MDFLD_DSIPLL_P1_MIN_100, .max = MDFLD_DSIPLL_P1_MAX_100},
-	 },
-};
-
-#define MDFLD_M_MIN	    21
-#define MDFLD_M_MAX	    180
-static const u32 mdfld_m_converts[] = {
-/* M configuration table from 9-bit LFSR table */
-	224, 368, 440, 220, 366, 439, 219, 365, 182, 347, /* 21 - 30 */
-	173, 342, 171, 85, 298, 149, 74, 37, 18, 265,   /* 31 - 40 */
-	388, 194, 353, 432, 216, 108, 310, 155, 333, 166, /* 41 - 50 */
-	83, 41, 276, 138, 325, 162, 337, 168, 340, 170, /* 51 - 60 */
-	341, 426, 469, 234, 373, 442, 221, 110, 311, 411, /* 61 - 70 */
-	461, 486, 243, 377, 188, 350, 175, 343, 427, 213, /* 71 - 80 */
-	106, 53, 282, 397, 354, 227, 113, 56, 284, 142, /* 81 - 90 */
-	71, 35, 273, 136, 324, 418, 465, 488, 500, 506, /* 91 - 100 */
-	253, 126, 63, 287, 399, 455, 483, 241, 376, 444, /* 101 - 110 */
-	478, 495, 503, 251, 381, 446, 479, 239, 375, 443, /* 111 - 120 */
-	477, 238, 119, 315, 157, 78, 295, 147, 329, 420, /* 121 - 130 */
-	210, 105, 308, 154, 77, 38, 275, 137, 68, 290, /* 131 - 140 */
-	145, 328, 164, 82, 297, 404, 458, 485, 498, 249, /* 141 - 150 */
-	380, 190, 351, 431, 471, 235, 117, 314, 413, 206, /* 151 - 160 */
-	103, 51, 25, 12, 262, 387, 193, 96, 48, 280, /* 161 - 170 */
-	396, 198, 99, 305, 152, 76, 294, 403, 457, 228, /* 171 - 180 */
-};
-
-static const struct mdfld_limit_t *mdfld_limit(struct drm_crtc *crtc)
-{
-	const struct mdfld_limit_t *limit = NULL;
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)
-	    || psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI2)) {
-		if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
-			limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_19];
-		else if (ksel == KSEL_BYPASS_25) 
-			limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_25];
-		else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166))
-			limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_83];
-		else if ((ksel == KSEL_BYPASS_83_100) &&
-			 (dev_priv->core_freq == 100 || dev_priv->core_freq == 200))
-			limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_100];
-	} else if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) {
-		if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
-			limit = &mdfld_limits[MDFLD_LIMT_DPLL_19];
-		else if (ksel == KSEL_BYPASS_25) 
-			limit = &mdfld_limits[MDFLD_LIMT_DPLL_25];
-		else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166))
-			limit = &mdfld_limits[MDFLD_LIMT_DPLL_83];
-		else if ((ksel == KSEL_BYPASS_83_100) &&
-			 (dev_priv->core_freq == 100 || dev_priv->core_freq == 200))
-			limit = &mdfld_limits[MDFLD_LIMT_DPLL_100];
-	} else {
-		limit = NULL;
-		dev_err(dev->dev, "mdfld_limit Wrong display type.\n");
-	}
-
-	return limit;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-static void mdfld_clock(int refclk, struct mdfld_intel_clock_t *clock)
-{
-	clock->dot = (refclk * clock->m) / clock->p1;
-}
-
-/**
- * Returns a set of divisors for the desired target clock with the given refclk,
- * or FALSE.  Divisor values are the actual divisors for
- */
-static bool
-mdfldFindBestPLL(struct drm_crtc *crtc, int target, int refclk,
-		struct mdfld_intel_clock_t *best_clock)
-{
-	struct mdfld_intel_clock_t clock;
-	const struct mdfld_limit_t *limit = mdfld_limit(crtc);
-	int err = target;
-
-	memset(best_clock, 0, sizeof(*best_clock));
-
-	for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
-		for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max;
-		     clock.p1++) {
-			int this_err;
-
-			mdfld_clock(refclk, &clock);
-
-			this_err = abs(clock.dot - target);
-			if (this_err < err) {
-				*best_clock = clock;
-				err = this_err;
-			}
-		}
-	}
-	return err != target;
-}
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int mdfld_panel_fitter_pipe(struct drm_device *dev)
-{
-	u32 pfit_control;
-
-	pfit_control = REG_READ(PFIT_CONTROL);
-
-	/* See if the panel fitter is in use */
-	if ((pfit_control & PFIT_ENABLE) == 0)
-		return -1;
-	return (pfit_control >> 29) & 3;
-}
-
-static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
-			      struct drm_display_mode *mode,
-			      struct drm_display_mode *adjusted_mode,
-			      int x, int y,
-			      struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int pipe = psb_intel_crtc->pipe;
-	int fp_reg = MRST_FPA0;
-	int dpll_reg = MRST_DPLL_A;
-	int dspcntr_reg = DSPACNTR;
-	int pipeconf_reg = PIPEACONF;
-	int htot_reg = HTOTAL_A;
-	int hblank_reg = HBLANK_A;
-	int hsync_reg = HSYNC_A;
-	int vtot_reg = VTOTAL_A;
-	int vblank_reg = VBLANK_A;
-	int vsync_reg = VSYNC_A;
-	int dspsize_reg = DSPASIZE; 
-	int dsppos_reg = DSPAPOS; 
-	int pipesrc_reg = PIPEASRC;
-	u32 *pipeconf = &dev_priv->pipeconf;
-	u32 *dspcntr = &dev_priv->dspcntr;
-	int refclk = 0;
-	int clk_n = 0, clk_p2 = 0, clk_byte = 1, clk = 0, m_conv = 0, clk_tmp = 0;
-	struct mdfld_intel_clock_t clock;
-	bool ok;
-	u32 dpll = 0, fp = 0;
-	bool is_crt = false, is_lvds = false, is_tv = false;
-	bool is_mipi = false, is_mipi2 = false, is_hdmi = false;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct psb_intel_output *psb_intel_output = NULL;
-	uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN;
-	struct drm_encoder *encoder;
-	struct drm_connector *connector;
-	int timeout = 0;
-
-	dev_dbg(dev->dev, "pipe = 0x%x \n", pipe);
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		fp_reg = FPB0;
-		dpll_reg = DPLL_B;
-		dspcntr_reg = DSPBCNTR;
-		pipeconf_reg = PIPEBCONF;
-		htot_reg = HTOTAL_B;
-		hblank_reg = HBLANK_B;
-		hsync_reg = HSYNC_B;
-		vtot_reg = VTOTAL_B;
-		vblank_reg = VBLANK_B;
-		vsync_reg = VSYNC_B;
-		dspsize_reg = DSPBSIZE; 
-		dsppos_reg = DSPBPOS; 
-		pipesrc_reg = PIPEBSRC;
-		pipeconf = &dev_priv->pipeconf1;
-		dspcntr = &dev_priv->dspcntr1;
-		fp_reg = MDFLD_DPLL_DIV0;
-		dpll_reg = MDFLD_DPLL_B;
-		break;
-	case 2:
-		dpll_reg = MRST_DPLL_A;
-		dspcntr_reg = DSPCCNTR;
-		pipeconf_reg = PIPECCONF;
-		htot_reg = HTOTAL_C;
-		hblank_reg = HBLANK_C;
-		hsync_reg = HSYNC_C;
-		vtot_reg = VTOTAL_C;
-		vblank_reg = VBLANK_C;
-		vsync_reg = VSYNC_C;
-		dspsize_reg = DSPCSIZE; 
-		dsppos_reg = DSPCPOS; 
-		pipesrc_reg = PIPECSRC;
-		pipeconf = &dev_priv->pipeconf2;
-		dspcntr = &dev_priv->dspcntr2;
-		break;
-	default:
-		DRM_ERROR("Illegal Pipe Number. \n");
-		return 0;
-	}
-
-	dev_dbg(dev->dev, "adjusted_hdisplay = %d\n",
-		 adjusted_mode->hdisplay);
-	dev_dbg(dev->dev, "adjusted_vdisplay = %d\n",
-		 adjusted_mode->vdisplay);
-	dev_dbg(dev->dev, "adjusted_hsync_start = %d\n",
-		 adjusted_mode->hsync_start);
-	dev_dbg(dev->dev, "adjusted_hsync_end = %d\n",
-		 adjusted_mode->hsync_end);
-	dev_dbg(dev->dev, "adjusted_htotal = %d\n",
-		 adjusted_mode->htotal);
-	dev_dbg(dev->dev, "adjusted_vsync_start = %d\n",
-		 adjusted_mode->vsync_start);
-	dev_dbg(dev->dev, "adjusted_vsync_end = %d\n",
-		 adjusted_mode->vsync_end);
-	dev_dbg(dev->dev, "adjusted_vtotal = %d\n",
-		 adjusted_mode->vtotal);
-	dev_dbg(dev->dev, "adjusted_clock = %d\n",
-		 adjusted_mode->clock);
-	dev_dbg(dev->dev, "hdisplay = %d\n",
-		 mode->hdisplay);
-	dev_dbg(dev->dev, "vdisplay = %d\n",
-		 mode->vdisplay);
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	memcpy(&psb_intel_crtc->saved_mode, mode, sizeof(struct drm_display_mode));
-	memcpy(&psb_intel_crtc->saved_adjusted_mode, adjusted_mode, sizeof(struct drm_display_mode));
-
-	list_for_each_entry(connector, &mode_config->connector_list, head) {
-			
-		encoder = connector->encoder;
-		
-		if(!encoder)
-			continue;
-
-		if (encoder->crtc != crtc)
-			continue;
-
-		psb_intel_output = to_psb_intel_output(connector);
-		
-		dev_dbg(dev->dev, "output->type = 0x%x \n", psb_intel_output->type);
-
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_LVDS:
-			is_lvds = true;
-			break;
-		case INTEL_OUTPUT_TVOUT:
-			is_tv = true;
-			break;
-		case INTEL_OUTPUT_ANALOG:
-			is_crt = true;
-			break;
-		case INTEL_OUTPUT_MIPI:
-			is_mipi = true;
-			break;
-		case INTEL_OUTPUT_MIPI2:
-			is_mipi2 = true;
-			break;
-		case INTEL_OUTPUT_HDMI:
-			is_hdmi = true;
-			break;
-		}
-	}
-
-	/* Disable the VGA plane that we never use */
-	REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-	/* Disable the panel fitter if it was on our pipe */
-	if (mdfld_panel_fitter_pipe(dev) == pipe)
-		REG_WRITE(PFIT_CONTROL, 0);
-
-	/* pipesrc and dspsize control the size that is scaled from,
-	 * which should always be the user's requested size.
-	 */
-	if (pipe == 1) {
-		/* FIXME: To make HDMI display with 864x480 (TPO), 480x864 (PYR) or 480x854 (TMD), set the sprite
-		 * width/height and souce image size registers with the adjusted mode for pipe B. */
-
-		/* The defined sprite rectangle must always be completely contained within the displayable
-		 * area of the screen image (frame buffer). */
-		REG_WRITE(dspsize_reg, ((MIN(mode->crtc_vdisplay, adjusted_mode->crtc_vdisplay) - 1) << 16)
-				| (MIN(mode->crtc_hdisplay, adjusted_mode->crtc_hdisplay) - 1));
-		/* Set the CRTC with encoder mode. */
-		REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16)
-				 | (mode->crtc_vdisplay - 1));
-	} else {
-		REG_WRITE(dspsize_reg, ((mode->crtc_vdisplay - 1) << 16) | (mode->crtc_hdisplay - 1));
-		REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16) | (mode->crtc_vdisplay - 1));
-	}
-
-	REG_WRITE(dsppos_reg, 0);
-
-	if (psb_intel_output)
-		drm_connector_property_get_value(&psb_intel_output->base,
-			dev->mode_config.scaling_mode_property, &scalingType);
-
-	if (scalingType == DRM_MODE_SCALE_NO_SCALE) {
-		/*
-		 *	Medfield doesn't have register support for centering so
-		 *	we need to mess with the h/vblank and h/vsync start and
-		 *	ends to get central
-		 */
-		int offsetX = 0, offsetY = 0;
-
-		offsetX = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
-		offsetY = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
-
-		REG_WRITE(htot_reg, (mode->crtc_hdisplay - 1) |
-			((adjusted_mode->crtc_htotal - 1) << 16));
-		REG_WRITE(vtot_reg, (mode->crtc_vdisplay - 1) |
-			((adjusted_mode->crtc_vtotal - 1) << 16));
-		REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - offsetX - 1) |
-			((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16));
-		REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - offsetX - 1) |
-			((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16));
-		REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - offsetY - 1) |
-			((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16));
-		REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - offsetY - 1) |
-			((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16));
-	} else {
-		REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-			((adjusted_mode->crtc_htotal - 1) << 16));
-		REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-			((adjusted_mode->crtc_vtotal - 1) << 16));
-		REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-			((adjusted_mode->crtc_hblank_end - 1) << 16));
-		REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-			((adjusted_mode->crtc_hsync_end - 1) << 16));
-		REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-			((adjusted_mode->crtc_vblank_end - 1) << 16));
-		REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-			((adjusted_mode->crtc_vsync_end - 1) << 16));
-	}
-
-	/* Flush the plane changes */
-	{
-		struct drm_crtc_helper_funcs *crtc_funcs =
-		    crtc->helper_private;
-		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-	}
-
-	/* setup pipeconf */
-	*pipeconf = PIPEACONF_ENABLE; /* FIXME_JLIU7 REG_READ(pipeconf_reg); */
-
-	/* Set up the display plane register */
- 	*dspcntr = REG_READ(dspcntr_reg);
-	*dspcntr |= pipe << DISPPLANE_SEL_PIPE_POS;
-	*dspcntr |= DISPLAY_PLANE_ENABLE;
-/* MDFLD_PO_JLIU7	dspcntr |= DISPPLANE_BOTTOM; */
-/* MDFLD_PO_JLIU7	dspcntr |= DISPPLANE_GAMMA_ENABLE; */
-
-	if (is_mipi2)
-	{
-		goto mrst_crtc_mode_set_exit;
-	}
-/* FIXME JLIU7 Add MDFLD HDMI supports */
-/* FIXME_MDFLD JLIU7 DSIPLL clock *= 8? */
-/* FIXME_MDFLD JLIU7 need to revist for dual MIPI supports */
-	clk = adjusted_mode->clock;
-
-	if (is_hdmi) {
-		if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
-		{
-			refclk = 19200;
-
-			if (is_mipi || is_mipi2)
-			{
-				clk_n = 1, clk_p2 = 8;
-			} else if (is_hdmi) {
-				clk_n = 1, clk_p2 = 10;
-			}
-		} else if (ksel == KSEL_BYPASS_25) { 
-			refclk = 25000;
-
-			if (is_mipi || is_mipi2)
-			{
-				clk_n = 1, clk_p2 = 8;
-			} else if (is_hdmi) {
-				clk_n = 1, clk_p2 = 10;
-			}
-		} else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166)) {
-			refclk = 83000;
-
-			if (is_mipi || is_mipi2)
-			{
-				clk_n = 4, clk_p2 = 8;
-			} else if (is_hdmi) {
-				clk_n = 4, clk_p2 = 10;
-			}
-		} else if ((ksel == KSEL_BYPASS_83_100) &&
-			   (dev_priv->core_freq == 100 || dev_priv->core_freq == 200)) {
-			refclk = 100000;
-			if (is_mipi || is_mipi2)
-			{
-				clk_n = 4, clk_p2 = 8;
-			} else if (is_hdmi) {
-				clk_n = 4, clk_p2 = 10;
-			}
-		}
-
-		if (is_mipi)
-			clk_byte = dev_priv->bpp / 8;
-		else if (is_mipi2)
-			clk_byte = dev_priv->bpp2 / 8;
-	
-		clk_tmp = clk * clk_n * clk_p2 * clk_byte;
-
-		dev_dbg(dev->dev, "clk = %d, clk_n = %d, clk_p2 = %d. \n", clk, clk_n, clk_p2);
-		dev_dbg(dev->dev, "adjusted_mode->clock = %d, clk_tmp = %d. \n", adjusted_mode->clock, clk_tmp);
-
-		ok = mdfldFindBestPLL(crtc, clk_tmp, refclk, &clock);
-
-		if (!ok) {
-			dev_err(dev->dev, 
-			   "mdfldFindBestPLL fail in mdfld_crtc_mode_set. \n");
-		} else {
-			m_conv = mdfld_m_converts[(clock.m - MDFLD_M_MIN)];
-
-			dev_dbg(dev->dev, "dot clock = %d,"
-				 "m = %d, p1 = %d, m_conv = %d. \n", clock.dot, clock.m,
-				 clock.p1, m_conv);
-		}
-
-		dpll = REG_READ(dpll_reg);
-
-		if (dpll & DPLL_VCO_ENABLE) {
-			dpll &= ~DPLL_VCO_ENABLE;
-			REG_WRITE(dpll_reg, dpll);
-			REG_READ(dpll_reg);
-
-			/* FIXME jliu7 check the DPLL lock bit PIPEACONF[29] */
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(500);
-
-			/* reset M1, N1 & P1 */
-			REG_WRITE(fp_reg, 0);
-			dpll &= ~MDFLD_P1_MASK;
-			REG_WRITE(dpll_reg, dpll);
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(500);
-		}
-
-		/* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
-		if (dpll & MDFLD_PWR_GATE_EN) {
-			dpll &= ~MDFLD_PWR_GATE_EN;
-			REG_WRITE(dpll_reg, dpll);
-			/* FIXME_MDFLD PO - change 500 to 1 after PO */
-			udelay(500);
-		}	
-
-		dpll = 0; 
-
-#if 0 /* FIXME revisit later */
-		if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19) || (ksel == KSEL_BYPASS_25)) {
-			dpll &= ~MDFLD_INPUT_REF_SEL;	
-		} else if (ksel == KSEL_BYPASS_83_100) { 
-			dpll |= MDFLD_INPUT_REF_SEL;	
-		}
-#endif /* FIXME revisit later */
-
-		if (is_hdmi)
-			dpll |= MDFLD_VCO_SEL;	
-
-		fp = (clk_n / 2) << 16;
-		fp |= m_conv; 
-
-		/* compute bitmask from p1 value */
-		dpll |= (1 << (clock.p1 - 2)) << 17;
-
-#if 0 /* 1080p30 & 720p */
-        	dpll = 0x00050000;
-        	fp = 0x000001be;
-#endif 
-#if 0 /* 480p */
-        	dpll = 0x02010000;
-        	fp = 0x000000d2;
-#endif 
-	} else {
-#if 0 /*DBI_TPO_480x864*/
-		dpll = 0x00020000;
-		fp = 0x00000156; 
-#endif /* DBI_TPO_480x864 */ /* get from spec. */
-
-        	dpll = 0x00800000;
-	        fp = 0x000000c1;
-}
-
-	REG_WRITE(fp_reg, fp);
-	REG_WRITE(dpll_reg, dpll);
-	/* FIXME_MDFLD PO - change 500 to 1 after PO */
-	udelay(500);
-
-	dpll |= DPLL_VCO_ENABLE;
-	REG_WRITE(dpll_reg, dpll);
-	REG_READ(dpll_reg);
-
-	/* wait for DSI PLL to lock */
-	while ((timeout < 20000) && !(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
-		udelay(150);
-		timeout ++;
-	}
-
-	if (is_mipi)
-		goto mrst_crtc_mode_set_exit;
-
-	dev_dbg(dev->dev, "is_mipi = 0x%x \n", is_mipi);
-
-	REG_WRITE(pipeconf_reg, *pipeconf);
-	REG_READ(pipeconf_reg);
-
-	/* Wait for for the pipe enable to take effect. */
-//FIXME_JLIU7 HDMI	mrstWaitForPipeEnable(dev);
-
-	REG_WRITE(dspcntr_reg, *dspcntr);
-	psb_intel_wait_for_vblank(dev);
-
-mrst_crtc_mode_set_exit:
-
-	gma_power_end(dev);
-
-	return 0;
-}
-
-static void mdfld_crtc_prepare(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void mdfld_crtc_commit(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-static bool mdfld_crtc_mode_fixup(struct drm_crtc *crtc,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-const struct drm_crtc_helper_funcs mdfld_helper_funcs = {
-	.dpms = mdfld_crtc_dpms,
-	.mode_fixup = mdfld_crtc_mode_fixup,
-	.mode_set = mdfld_crtc_mode_set,
-	.mode_set_base = mdfld__intel_pipe_set_base,
-	.prepare = mdfld_crtc_prepare,
-	.commit = mdfld_crtc_commit,
-};
diff --git a/drivers/staging/gma500/mdfld_msic.h b/drivers/staging/gma500/mdfld_msic.h
deleted file mode 100644
index a7ad65472491..000000000000
--- a/drivers/staging/gma500/mdfld_msic.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	Jim Liu <jim.liu@intel.com>
- */
-
-#define MSIC_PCI_DEVICE_ID	0x831
-
-int msic_regsiter_driver(void);
-int msic_unregister_driver(void);
-extern void hpd_notify_um(void);
diff --git a/drivers/staging/gma500/mdfld_output.c b/drivers/staging/gma500/mdfld_output.c
deleted file mode 100644
index eabf53d58f92..000000000000
--- a/drivers/staging/gma500/mdfld_output.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#include <linux/init.h>
-#include <linux/moduleparam.h>
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_dbi_dpu.h"
-
-#include "displays/tpo_cmd.h"
-#include "displays/tpo_vid.h"
-#include "displays/tmd_cmd.h"
-#include "displays/tmd_vid.h"
-#include "displays/pyr_cmd.h"
-#include "displays/pyr_vid.h"
-/* #include "displays/hdmi.h" */
-
-static int mdfld_dual_mipi;
-static int mdfld_hdmi;
-static int mdfld_dpu;
-
-module_param(mdfld_dual_mipi, int, 0600);
-MODULE_PARM_DESC(mdfld_dual_mipi, "Enable dual MIPI configuration");
-module_param(mdfld_hdmi, int, 0600);
-MODULE_PARM_DESC(mdfld_hdmi, "Enable Medfield HDMI");
-module_param(mdfld_dpu, int, 0600);
-MODULE_PARM_DESC(mdfld_dpu, "Enable Medfield DPU");
-
-/* For now a single type per device is all we cope with */
-int mdfld_get_panel_type(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	return dev_priv->panel_id;
-}
-
-int mdfld_panel_dpi(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	switch (dev_priv->panel_id) {
-	case TMD_VID:
-	case TPO_VID:
-	case PYR_VID:
-		return true;
-	case TMD_CMD:
-	case TPO_CMD:
-	case PYR_CMD:
-	default:
-		return false;
-	}
-}
-
-static int init_panel(struct drm_device *dev, int mipi_pipe, int p_type)
-{
-	struct panel_funcs *p_cmd_funcs;
-	struct panel_funcs *p_vid_funcs;
-
-	/* Oh boy ... FIXME */
-	p_cmd_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL);
-	if (p_cmd_funcs == NULL)
-		return -ENODEV;
-	p_vid_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL);
-	if (p_vid_funcs == NULL) {
-		kfree(p_cmd_funcs);
-		return -ENODEV;
-	}
-
-	switch (p_type) {
-	case TPO_CMD:
-		tpo_cmd_init(dev, p_cmd_funcs);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
-		break;
-	case TPO_VID:
-		tpo_vid_init(dev, p_vid_funcs);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
-		break;
-	case TMD_CMD:
-		/*tmd_cmd_init(dev, p_cmd_funcs); */
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
-		break;
-	case TMD_VID:
-		tmd_vid_init(dev, p_vid_funcs);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
-		break;
-	case PYR_CMD:
-		pyr_cmd_init(dev, p_cmd_funcs);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
-		break;
-	case PYR_VID:
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
-		break;
-	case TPO:	/* TPO panel supports both cmd & vid interfaces */
-		tpo_cmd_init(dev, p_cmd_funcs);
-		tpo_vid_init(dev, p_vid_funcs);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs,
-				      p_vid_funcs);
-		break;
-	case TMD:
-		break;
-	case PYR:
-		break;
-#if 0
-	case HDMI:
-		dev_dbg(dev->dev, "Initializing HDMI");
-		mdfld_hdmi_init(dev, &dev_priv->mode_dev);
-		break;
-#endif
-	default:
-		dev_err(dev->dev, "Unsupported interface %d", p_type);
-		return -ENODEV;
-	}
-	return 0;
-}
-
-int mdfld_output_init(struct drm_device *dev)
-{
-	int type;
-
-	/* MIPI panel 1 */
-	type = mdfld_get_panel_type(dev, 0);
-	dev_info(dev->dev, "panel 1: type is %d\n", type);
-	init_panel(dev, 0, type);
-
-	if (mdfld_dual_mipi) {
-		/* MIPI panel 2 */
-		type = mdfld_get_panel_type(dev, 2);
-		dev_info(dev->dev, "panel 2: type is %d\n", type);
-		init_panel(dev, 2, type);
-	}
-	if (mdfld_hdmi)
-		/* HDMI panel */
-		init_panel(dev, 0, HDMI);
-	return 0;
-}
-
-void mdfld_output_setup(struct drm_device *dev)
-{
-	/* FIXME: this is not the right place for this stuff ! */
-	if (IS_MFLD(dev)) {
-		if (mdfld_dpu)
-			mdfld_dbi_dpu_init(dev);
-		else
-			mdfld_dbi_dsr_init(dev);
-	}
-}
diff --git a/drivers/staging/gma500/mdfld_output.h b/drivers/staging/gma500/mdfld_output.h
deleted file mode 100644
index daf33e7df9d5..000000000000
--- a/drivers/staging/gma500/mdfld_output.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef MDFLD_OUTPUT_H
-#define MDFLD_OUTPUT_H
-
-int mdfld_output_init(struct drm_device *dev);
-int mdfld_panel_dpi(struct drm_device *dev);
-int mdfld_get_panel_type(struct drm_device *dev, int pipe);
-void mdfld_disable_crtc (struct drm_device *dev, int pipe);
-
-extern const struct drm_crtc_helper_funcs mdfld_helper_funcs;
-extern const struct drm_crtc_funcs mdfld_intel_crtc_funcs;
-
-extern void mdfld_output_setup(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/mdfld_pyr_cmd.c b/drivers/staging/gma500/mdfld_pyr_cmd.c
deleted file mode 100644
index 523f2d8fe4f1..000000000000
--- a/drivers/staging/gma500/mdfld_pyr_cmd.c
+++ /dev/null
@@ -1,558 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/pyr_cmd.h"
-
-static struct drm_display_mode *pyr_cmd_get_config_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode;
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode) {
-		dev_err(dev->dev, "Out of memory\n");
-		return NULL;
-	}
-
-	dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-	dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-	dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-	dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-	dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-	dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-	dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-	dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-	dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-
-	mode->hdisplay = 480;
-	mode->vdisplay = 864;
-	mode->hsync_start = 487;
-	mode->hsync_end = 490;
-	mode->htotal = 499;
-	mode->vsync_start = 874;
-	mode->vsync_end = 878;
-	mode->vtotal = 886;
-	mode->clock = 25777;
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-static bool pyr_dsi_dbi_mode_fixup(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_display_mode *fixed_mode = pyr_cmd_get_config_mode(dev);
-
-	if (fixed_mode) {
-		adjusted_mode->hdisplay = fixed_mode->hdisplay;
-		adjusted_mode->hsync_start = fixed_mode->hsync_start;
-		adjusted_mode->hsync_end = fixed_mode->hsync_end;
-		adjusted_mode->htotal = fixed_mode->htotal;
-		adjusted_mode->vdisplay = fixed_mode->vdisplay;
-		adjusted_mode->vsync_start = fixed_mode->vsync_start;
-		adjusted_mode->vsync_end = fixed_mode->vsync_end;
-		adjusted_mode->vtotal = fixed_mode->vtotal;
-		adjusted_mode->clock = fixed_mode->clock;
-		drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
-		kfree(fixed_mode);
-	}
-	return true;
-}
-
-static void pyr_dsi_dbi_set_power(struct drm_encoder *encoder, bool on)
-{
-	int ret = 0;
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-				MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 reg_offset = 0;
-	int pipe = (dbi_output->channel_num == 0) ? 0 : 2;
-
-	dev_dbg(dev->dev, "pipe %d : %s, panel on: %s\n", pipe,
-			on ? "On" : "Off",
-			dbi_output->dbi_panel_on ? "True" : "False");
-
-	if (pipe == 2) {
-		if (on)
-			dev_priv->dual_mipi = true;
-		else
-			dev_priv->dual_mipi = false;
-
-		reg_offset = MIPIC_REG_OFFSET;
-	} else {
-		if (!on)
-			dev_priv->dual_mipi = false;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-
-	if (on) {
-		if (dbi_output->dbi_panel_on)
-			goto out_err;
-
-		ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_ON);
-		if (ret) {
-			dev_err(dev->dev, "power on error\n");
-			goto out_err;
-		}
-
-		dbi_output->dbi_panel_on = true;
-
-		if (pipe == 2) {
-			dev_priv->dbi_panel_on2 = true;
-		} else {
-			dev_priv->dbi_panel_on = true;
-			mdfld_enable_te(dev, 0);
-		}
-	} else {
-		if (!dbi_output->dbi_panel_on && !dbi_output->first_boot)
-			goto out_err;
-
-		dbi_output->dbi_panel_on = false;
-		dbi_output->first_boot = false;
-
-		if (pipe == 2) {
-			dev_priv->dbi_panel_on2 = false;
-			mdfld_disable_te(dev, 2);
-		} else {
-			dev_priv->dbi_panel_on = false;
-			mdfld_disable_te(dev, 0);
-
-			if (dev_priv->dbi_panel_on2)
-				mdfld_enable_te(dev, 2);
-		}
-
-		ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_OFF);
-		if (ret) {
-			dev_err(dev->dev, "power on error\n");
-			goto out_err;
-		}
-	}
-
-out_err:
-	gma_power_end(dev);
-
-	if (ret)
-		dev_err(dev->dev, "failed\n");
-}
-
-static void pyr_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config,
-								int pipe)
-{
-	struct drm_device *dev = dsi_config->dev;
-	u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-	int lane_count = dsi_config->lane_count;
-	u32 val = 0;
-
-	dev_dbg(dev->dev, "Init DBI interface on pipe %d...\n", pipe);
-
-	/* Un-ready device */
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-	/* Init dsi adapter before kicking off */
-	REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-	/* TODO: figure out how to setup these registers */
-	REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c600F);
-	REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset),
-								0x000a0014);
-	REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400);
-	REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000);
-
-	/* Enable all interrupts */
-	REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-	/* Max value: 20 clock cycles of txclkesc */
-	REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f);
-	/* Min 21 txclkesc, max: ffffh */
-	REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff);
-	/* Min: 7d0 max: 4e20 */
-	REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0);
-
-	/* Set up func_prg */
-	val |= lane_count;
-	val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET);
-	val |= DSI_DBI_COLOR_FORMAT_OPTION2;
-	REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-	REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff);
-	REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff);
-
-	/* De-assert dbi_stall when half of DBI FIFO is empty */
-	/* REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000000); */
-
-	REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-	REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000002);
-	REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-	REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-static void pyr_dsi_dbi_mode_set(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
-{
-	int ret = 0;
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dsi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct mdfld_dsi_config *dsi_config =
-				mdfld_dsi_encoder_get_config(dsi_encoder);
-	struct mdfld_dsi_connector *dsi_connector = dsi_config->connector;
-	int pipe = dsi_connector->pipe;
-	u8 param = 0;
-
-	/* Regs */
-	u32 mipi_reg = MIPI;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 reg_offset = 0;
-
-	/* Values */
-	u32 dspcntr_val = dev_priv->dspcntr;
-	u32 pipeconf_val = dev_priv->pipeconf;
-	u32 h_active_area = mode->hdisplay;
-	u32 v_active_area = mode->vdisplay;
-	u32 mipi_val = (PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX |
-							TE_TRIGGER_GPIO_PIN);
-
-	dev_dbg(dev->dev, "mipi_val =0x%x\n", mipi_val);
-
-	dev_dbg(dev->dev, "type %s\n", (pipe == 2) ? "MIPI2" : "MIPI");
-	dev_dbg(dev->dev, "h %d v %d\n", mode->hdisplay, mode->vdisplay);
-
-	if (pipe == 2) {
-		mipi_reg = MIPI_C;
-		dspcntr_reg = DSPCCNTR;
-		pipeconf_reg = PIPECCONF;
-
-		reg_offset = MIPIC_REG_OFFSET;
-
-		dspcntr_val = dev_priv->dspcntr2;
-		pipeconf_val = dev_priv->pipeconf2;
-	} else {
-		mipi_val |= 0x2; /* Two lanes for port A and C respectively */
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	/* Set up pipe related registers */
-	REG_WRITE(mipi_reg, mipi_val);
-	REG_READ(mipi_reg);
-
-	pyr_dsi_controller_dbi_init(dsi_config, pipe);
-
-	msleep(20);
-
-	REG_WRITE(dspcntr_reg, dspcntr_val);
-	REG_READ(dspcntr_reg);
-
-	/* 20ms delay before sending exit_sleep_mode */
-	msleep(20);
-
-	/* Send exit_sleep_mode DCS */
-	ret = mdfld_dsi_dbi_send_dcs(dsi_output, exit_sleep_mode, NULL,
-						0, CMD_DATA_SRC_SYSTEM_MEM);
-	if (ret) {
-		dev_err(dev->dev, "sent exit_sleep_mode faild\n");
-		goto out_err;
-	}
-
-	/*send set_tear_on DCS*/
-	ret = mdfld_dsi_dbi_send_dcs(dsi_output, set_tear_on,
-					&param, 1, CMD_DATA_SRC_SYSTEM_MEM);
-	if (ret) {
-		dev_err(dev->dev, "%s - sent set_tear_on faild\n", __func__);
-		goto out_err;
-	}
-
-	/* Do some init stuff */
-	mdfld_dsi_brightness_init(dsi_config, pipe);
-	mdfld_dsi_gen_fifo_ready(dev, (MIPIA_GEN_FIFO_STAT_REG + reg_offset),
-				HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
-	REG_WRITE(pipeconf_reg, pipeconf_val | PIPEACONF_DSR);
-	REG_READ(pipeconf_reg);
-
-	/* TODO: this looks ugly, try to move it to CRTC mode setting */
-	if (pipe == 2)
-		dev_priv->pipeconf2 |= PIPEACONF_DSR;
-	else
-		dev_priv->pipeconf |= PIPEACONF_DSR;
-
-	dev_dbg(dev->dev, "pipeconf %x\n",  REG_READ(pipeconf_reg));
-
-	ret = mdfld_dsi_dbi_update_area(dsi_output, 0, 0,
-				h_active_area - 1, v_active_area - 1);
-	if (ret) {
-		dev_err(dev->dev, "update area failed\n");
-		goto out_err;
-	}
-
-out_err:
-	gma_power_end(dev);
-
-	if (ret)
-		dev_err(dev->dev, "mode set failed\n");
-	else
-		dev_dbg(dev->dev, "mode set done successfully\n");
-}
-
-static void pyr_dsi_dbi_prepare(struct drm_encoder *encoder)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-
-	dbi_output->mode_flags |= MODE_SETTING_IN_ENCODER;
-	dbi_output->mode_flags &= ~MODE_SETTING_ENCODER_DONE;
-
-	pyr_dsi_dbi_set_power(encoder, false);
-}
-
-static void pyr_dsi_dbi_commit(struct drm_encoder *encoder)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_drm_dpu_rect rect;
-
-	pyr_dsi_dbi_set_power(encoder, true);
-
-	dbi_output->mode_flags &= ~MODE_SETTING_IN_ENCODER;
-
-	rect.x = rect.y = 0;
-	rect.width = 864;
-	rect.height = 480;
-
-	if (dbi_output->channel_num == 1) {
-		dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2;
-		/* If DPU enabled report a fullscreen damage */
-		mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect);
-	} else {
-		dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0;
-		mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect);
-	}
-	dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE;
-}
-
-static void pyr_dsi_dbi_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct drm_device *dev = dbi_output->dev;
-
-	dev_dbg(dev->dev, "%s\n",  (mode == DRM_MODE_DPMS_ON ? "on" : "off"));
-
-	if (mode == DRM_MODE_DPMS_ON)
-		pyr_dsi_dbi_set_power(encoder, true);
-	else
-		pyr_dsi_dbi_set_power(encoder, false);
-}
-
-/*
- * Update the DBI MIPI Panel Frame Buffer.
- */
-static void pyr_dsi_dbi_update_fb(struct mdfld_dsi_dbi_output *dbi_output,
-								int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_crtc *crtc = dbi_output->base.base.crtc;
-	struct psb_intel_crtc *psb_crtc = (crtc) ?
-				to_psb_intel_crtc(crtc) : NULL;
-
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dsplinoff_reg = DSPALINOFF;
-	u32 dspsurf_reg = DSPASURF;
-	u32 hs_gen_ctrl_reg = HS_GEN_CTRL_REG;
-	u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG;
-	u32 reg_offset = 0;
-
-	u32 intr_status;
-	u32 fifo_stat_reg_val;
-	u32 dpll_reg_val;
-	u32 dspcntr_reg_val;
-	u32 pipeconf_reg_val;
-
-	/* If mode setting on-going, back off */
-	if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-		(psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING) ||
-		!(dbi_output->mode_flags & MODE_SETTING_ENCODER_DONE))
-		return;
-
-	/*
-	 * Look for errors here.  In particular we're checking for whatever
-	 * error status might have appeared during the last frame transmit
-	 * (memory write).
-	 *
-	 * Normally, the bits we're testing here would be set infrequently,
-	 * if at all.  However, one panel (at least) returns at least one
-	 * error bit on most frames.  So we've disabled the kernel message
-	 * for now.
-	 *
-	 * Still clear whatever error bits are set, except don't clear the
-	 * ones that would make the Penwell DSI controller reset if we
-	 * cleared them.
-	 */
-	intr_status = REG_READ(INTR_STAT_REG);
-	if ((intr_status & 0x26FFFFFF) != 0) {
-		/* dev_err(dev->dev, "DSI status: 0x%08X\n", intr_status); */
-		intr_status &= 0x26F3FFFF;
-		REG_WRITE(INTR_STAT_REG, intr_status);
-	}
-
-	if (pipe == 2) {
-		dspcntr_reg = DSPCCNTR;
-		pipeconf_reg = PIPECCONF;
-		dsplinoff_reg = DSPCLINOFF;
-		dspsurf_reg = DSPCSURF;
-
-		hs_gen_ctrl_reg = HS_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-		gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET,
-
-		reg_offset = MIPIC_REG_OFFSET;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	fifo_stat_reg_val = REG_READ(MIPIA_GEN_FIFO_STAT_REG + reg_offset);
-	dpll_reg_val = REG_READ(dpll_reg);
-	dspcntr_reg_val = REG_READ(dspcntr_reg);
-	pipeconf_reg_val = REG_READ(pipeconf_reg);
-
-	if (!(fifo_stat_reg_val & (1 << 27)) ||
-		(dpll_reg_val & DPLL_VCO_ENABLE) ||
-		!(dspcntr_reg_val & DISPLAY_PLANE_ENABLE) ||
-		!(pipeconf_reg_val & DISPLAY_PLANE_ENABLE)) {
-		goto update_fb_out0;
-	}
-
-	/* Refresh plane changes */
-	REG_WRITE(dsplinoff_reg, REG_READ(dsplinoff_reg));
-	REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg));
-	REG_READ(dspsurf_reg);
-
-	mdfld_dsi_send_dcs(sender,
-			   write_mem_start,
-			   NULL,
-			   0,
-			   CMD_DATA_SRC_PIPE,
-			   MDFLD_DSI_SEND_PACKAGE);
-
-	/*
-	 * The idea here is to transmit a Generic Read command after the
-	 * Write Memory Start/Continue commands finish.  This asks for
-	 * the panel to return an "ACK No Errors," or (if it has errors
-	 * to report) an Error Report.  This allows us to monitor the
-	 * panel's perception of the health of the DSI.
-	 */
-	mdfld_dsi_gen_fifo_ready(dev, gen_fifo_stat_reg,
-				HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-	REG_WRITE(hs_gen_ctrl_reg, (1 << WORD_COUNTS_POS) | GEN_READ_0);
-
-	dbi_output->dsr_fb_update_done = true;
-update_fb_out0:
-	gma_power_end(dev);
-}
-
-/*
- * TODO: will be removed later, should work out display interfaces for power
- */
-void pyr_dsi_adapter_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-	if (!dsi_config || (pipe != 0 && pipe != 2)) {
-		WARN_ON(1);
-		return;
-	}
-	pyr_dsi_controller_dbi_init(dsi_config, pipe);
-}
-
-static int pyr_cmd_get_panel_info(struct drm_device *dev, int pipe,
-							struct panel_info *pi)
-{
-	if (!dev || !pi)
-		return -EINVAL;
-
-	pi->width_mm = PYR_PANEL_WIDTH;
-	pi->height_mm = PYR_PANEL_HEIGHT;
-
-	return 0;
-}
-
-/* PYR DBI encoder helper funcs */
-static const struct drm_encoder_helper_funcs pyr_dsi_dbi_helper_funcs = {
-	.dpms = pyr_dsi_dbi_dpms,
-	.mode_fixup = pyr_dsi_dbi_mode_fixup,
-	.prepare = pyr_dsi_dbi_prepare,
-	.mode_set = pyr_dsi_dbi_mode_set,
-	.commit = pyr_dsi_dbi_commit,
-};
-
-/* PYR DBI encoder funcs */
-static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-void pyr_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-	p_funcs->encoder_funcs = &mdfld_dsi_dbi_encoder_funcs;
-	p_funcs->encoder_helper_funcs = &pyr_dsi_dbi_helper_funcs;
-	p_funcs->get_config_mode = &pyr_cmd_get_config_mode;
-	p_funcs->update_fb = pyr_dsi_dbi_update_fb;
-	p_funcs->get_panel_info = pyr_cmd_get_panel_info;
-}
diff --git a/drivers/staging/gma500/mdfld_tmd_vid.c b/drivers/staging/gma500/mdfld_tmd_vid.c
deleted file mode 100644
index affdc09c6769..000000000000
--- a/drivers/staging/gma500/mdfld_tmd_vid.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jim Liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- * Gideon Eaton <eaton.
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/tmd_vid.h"
-
-/* FIXME: static ? */
-struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-	bool use_gct = false; /*Disable GCT for now*/
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode) {
-		dev_err(dev->dev, "Out of memory\n");
-		return NULL;
-	}
-
-	if (use_gct) {
-		dev_dbg(dev->dev, "gct find MIPI panel.\n");
-
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay +
-				((ti->hsync_offset_hi << 8) |
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start +
-				((ti->hsync_pulse_width_hi << 8) |
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) |
-								ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 8) |
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay +
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-
-		dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-		dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-		dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-		dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-		dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-		dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-		dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-		dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-		dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-	} else {
-		mode->hdisplay = 480;
-		mode->vdisplay = 854;
-		mode->hsync_start = 487;
-		mode->hsync_end = 490;
-		mode->htotal = 499;
-		mode->vsync_start = 861;
-		mode->vsync_end = 865;
-		mode->vtotal = 873;
-		mode->clock = 33264;
-	}
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-static int tmd_vid_get_panel_info(struct drm_device *dev,
-				int pipe,
-				struct panel_info *pi)
-{
-	if (!dev || !pi)
-		return -EINVAL;
-
-	pi->width_mm = TMD_PANEL_WIDTH;
-	pi->height_mm = TMD_PANEL_HEIGHT;
-
-	return 0;
-}
-
-/*
- *	mdfld_init_TMD_MIPI	-	initialise a TMD interface
- *	@dsi_config: configuration
- *	@pipe: pipe to configure
- *
- *	This function is called only by mrst_dsi_mode_set and
- *	restore_display_registers.  since this function does not
- *	acquire the mutex, it is important that the calling function
- *	does!
- */
-
-
-static void mdfld_dsi_tmd_drv_ic_init(struct mdfld_dsi_config *dsi_config,
-				      int pipe)
-{
-	static u32 tmd_cmd_mcap_off[] = {0x000000b2};
-	static u32 tmd_cmd_enable_lane_switch[] = {0x000101ef};
-	static u32 tmd_cmd_set_lane_num[] = {0x006360ef};
-	static u32 tmd_cmd_pushing_clock0[] = {0x00cc2fef};
-	static u32 tmd_cmd_pushing_clock1[] = {0x00dd6eef};
-	static u32 tmd_cmd_set_mode[] = {0x000000b3};
-	static u32 tmd_cmd_set_sync_pulse_mode[] = {0x000961ef};
-	static u32 tmd_cmd_set_column[] = {0x0100002a, 0x000000df};
-	static u32 tmd_cmd_set_page[] = {0x0300002b, 0x00000055};
-	static u32 tmd_cmd_set_video_mode[] = {0x00000153};
-	/*no auto_bl,need add in furture*/
-	static u32 tmd_cmd_enable_backlight[] = {0x00005ab4};
-	static u32 tmd_cmd_set_backlight_dimming[] = {0x00000ebd};
-
-	struct mdfld_dsi_pkg_sender *sender
-			= mdfld_dsi_get_pkg_sender(dsi_config);
-
-	DRM_INFO("Enter mdfld init TMD MIPI display.\n");
-
-	if (!sender) {
-		DRM_ERROR("Cannot get sender\n");
-		return;
-	}
-
-	if (dsi_config->dvr_ic_inited)
-		return;
-
-	msleep(3);
-
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_mcap_off, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_enable_lane_switch, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_lane_num, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_pushing_clock0, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_pushing_clock1, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_mode, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_sync_pulse_mode, 1, 0);
-	mdfld_dsi_send_mcs_long_lp(sender, tmd_cmd_set_column, 2, 0);
-	mdfld_dsi_send_mcs_long_lp(sender, tmd_cmd_set_page, 2, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_video_mode, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_enable_backlight, 1, 0);
-	mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_backlight_dimming, 1, 0);
-
-	dsi_config->dvr_ic_inited = 1;
-}
-
-/* TMD DPI encoder helper funcs */
-static const struct drm_encoder_helper_funcs
-					mdfld_tpo_dpi_encoder_helper_funcs = {
-	.dpms = mdfld_dsi_dpi_dpms,
-	.mode_fixup = mdfld_dsi_dpi_mode_fixup,
-	.prepare = mdfld_dsi_dpi_prepare,
-	.mode_set = mdfld_dsi_dpi_mode_set,
-	.commit = mdfld_dsi_dpi_commit,
-};
-
-/* TMD DPI encoder funcs */
-static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-void tmd_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-	if (!dev || !p_funcs) {
-		dev_err(dev->dev, "Invalid parameters\n");
-		return;
-	}
-
-	p_funcs->encoder_funcs = &mdfld_tpo_dpi_encoder_funcs;
-	p_funcs->encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs;
-	p_funcs->get_config_mode = &tmd_vid_get_config_mode;
-	p_funcs->update_fb = NULL;
-	p_funcs->get_panel_info = tmd_vid_get_panel_info;
-	p_funcs->reset = mdfld_dsi_panel_reset;
-	p_funcs->drv_ic_init = mdfld_dsi_tmd_drv_ic_init;
-}
diff --git a/drivers/staging/gma500/mdfld_tpo_cmd.c b/drivers/staging/gma500/mdfld_tpo_cmd.c
deleted file mode 100644
index c7f7c9c19bc1..000000000000
--- a/drivers/staging/gma500/mdfld_tpo_cmd.c
+++ /dev/null
@@ -1,509 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/tpo_cmd.h"
-
-static struct drm_display_mode *tpo_cmd_get_config_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-	bool use_gct = false;
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode)
-		return NULL;
-
-	if (use_gct) {
-		dev_dbg(dev->dev, "gct find MIPI panel.\n");
-
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay + \
-				((ti->hsync_offset_hi << 8) | \
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start + \
-				((ti->hsync_pulse_width_hi << 8) | \
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-								ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay + \
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-
-		dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-		dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-		dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-		dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-		dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-		dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-		dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-		dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-		dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-	} else {
-		mode->hdisplay = 864;
-		mode->vdisplay = 480;
-		mode->hsync_start = 872;
-		mode->hsync_end = 876;
-		mode->htotal = 884;
-		mode->vsync_start = 482;
-		mode->vsync_end = 494;
-		mode->vtotal = 486;
-		mode->clock = 25777;
-	}
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-static bool mdfld_dsi_dbi_mode_fixup(struct drm_encoder *encoder,
-				     struct drm_display_mode *mode,
-				     struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_display_mode *fixed_mode = tpo_cmd_get_config_mode(dev);
-
-	if (fixed_mode) {
-		adjusted_mode->hdisplay = fixed_mode->hdisplay;
-		adjusted_mode->hsync_start = fixed_mode->hsync_start;
-		adjusted_mode->hsync_end = fixed_mode->hsync_end;
-		adjusted_mode->htotal = fixed_mode->htotal;
-		adjusted_mode->vdisplay = fixed_mode->vdisplay;
-		adjusted_mode->vsync_start = fixed_mode->vsync_start;
-		adjusted_mode->vsync_end = fixed_mode->vsync_end;
-		adjusted_mode->vtotal = fixed_mode->vtotal;
-		adjusted_mode->clock = fixed_mode->clock;
-		drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
-		kfree(fixed_mode);
-	}
-	return true;
-}
-
-static void mdfld_dsi_dbi_set_power(struct drm_encoder *encoder, bool on)
-{
-	int ret = 0;
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-				MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct mdfld_dsi_config *dsi_config =
-		mdfld_dsi_encoder_get_config(dsi_encoder);
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(dsi_encoder);
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 reg_offset = 0;
-	int pipe = (dbi_output->channel_num == 0) ? 0 : 2;
-	u32 data = 0;
-
-	dev_dbg(dev->dev, "pipe %d : %s, panel on: %s\n",
-			pipe, on ? "On" : "Off",
-			dbi_output->dbi_panel_on ? "True" : "False");
-
-	if (pipe == 2) {
-		if (on)
-			dev_priv->dual_mipi = true;
-		else
-			dev_priv->dual_mipi = false;
-		reg_offset = MIPIC_REG_OFFSET;
-	} else {
-		if (!on)
-			dev_priv->dual_mipi = false;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	if (on) {
-		if (dbi_output->dbi_panel_on)
-			goto out_err;
-
-		ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_ON);
-		if (ret) {
-			dev_err(dev->dev, "power on error\n");
-			goto out_err;
-		}
-
-		dbi_output->dbi_panel_on = true;
-
-		if (pipe == 2)
-			dev_priv->dbi_panel_on2 = true;
-		else
-			dev_priv->dbi_panel_on = true;
-		mdfld_enable_te(dev, pipe);
-	} else {
-		if (!dbi_output->dbi_panel_on && !dbi_output->first_boot)
-			goto out_err;
-
-		dbi_output->dbi_panel_on = false;
-		dbi_output->first_boot = false;
-
-		if (pipe == 2)
-			dev_priv->dbi_panel_on2 = false;
-		else
-			dev_priv->dbi_panel_on = false;
-
-		mdfld_disable_te(dev, pipe);
-
-		ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_OFF);
-		if (ret) {
-			dev_err(dev->dev, "power on error\n");
-			goto out_err;
-		}
-	}
-
-	/*
-	 * FIXME: this is a WA for TPO panel crash on DPMS on & off around
-	 * 83 times. the root cause of this issue is that Booster in
-	 * drvIC crashed. Add this WA so that we can resume the driver IC
-	 * once we found that booster has a fault
-	 */
-	mdfld_dsi_get_power_mode(dsi_config,
-				&data,
-				MDFLD_DSI_HS_TRANSMISSION);
-
-	if (on && data && !(data & (1 << 7))) {
-		/* Soft reset */
-		mdfld_dsi_send_dcs(sender,
-				   DCS_SOFT_RESET,
-				   NULL,
-				   0,
-				   CMD_DATA_SRC_PIPE,
-				   MDFLD_DSI_SEND_PACKAGE);
-
-		/* Init drvIC */
-		if (dbi_output->p_funcs->drv_ic_init)
-			dbi_output->p_funcs->drv_ic_init(dsi_config,
-							 pipe);
-	}
- 
-out_err:
-	gma_power_end(dev);
-	if (ret)
-		dev_err(dev->dev, "failed\n");
-}
-
-
-static void mdfld_dsi_dbi_mode_set(struct drm_encoder *encoder,
-				   struct drm_display_mode *mode,
-				   struct drm_display_mode *adjusted_mode)
-{
-	int ret = 0;
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dsi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct mdfld_dsi_config *dsi_config =
-				mdfld_dsi_encoder_get_config(dsi_encoder);
-	struct mdfld_dsi_connector *dsi_connector = dsi_config->connector;
-	int pipe = dsi_connector->pipe;
-	u8 param = 0;
-
-	/* Regs */
-	u32 mipi_reg = MIPI;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 reg_offset = 0;
-
-	/* Values */
-	u32 dspcntr_val = dev_priv->dspcntr;
-	u32 pipeconf_val = dev_priv->pipeconf;
-	u32 h_active_area = mode->hdisplay;
-	u32 v_active_area = mode->vdisplay;
-	u32 mipi_val;
-
-	mipi_val = (PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX |
-						TE_TRIGGER_GPIO_PIN);
-
-	dev_dbg(dev->dev, "mipi_val =0x%x\n", mipi_val);
-
-	dev_dbg(dev->dev, "type %s\n", (pipe == 2) ? "MIPI2" : "MIPI");
-	dev_dbg(dev->dev, "h %d v %d\n", mode->hdisplay, mode->vdisplay);
-
-	if (pipe == 2) {
-		mipi_reg = MIPI_C;
-		dspcntr_reg = DSPCCNTR;
-		pipeconf_reg = PIPECCONF;
-
-		reg_offset = MIPIC_REG_OFFSET;
-
-		dspcntr_val = dev_priv->dspcntr2;
-		pipeconf_val = dev_priv->pipeconf2;
-	} else {
-		mipi_val |= 0x2; /*two lanes for port A and C respectively*/
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	REG_WRITE(dspcntr_reg, dspcntr_val);
-	REG_READ(dspcntr_reg);
-
-	/* 20ms delay before sending exit_sleep_mode */
-	msleep(20);
-
-	/* Send exit_sleep_mode DCS */
-	ret = mdfld_dsi_dbi_send_dcs(dsi_output, DCS_EXIT_SLEEP_MODE,
-					NULL, 0, CMD_DATA_SRC_SYSTEM_MEM);
-	if (ret) {
-		dev_err(dev->dev, "sent exit_sleep_mode faild\n");
-		goto out_err;
-	}
-
-	/* Send set_tear_on DCS */
-	ret = mdfld_dsi_dbi_send_dcs(dsi_output, DCS_SET_TEAR_ON,
-					&param, 1, CMD_DATA_SRC_SYSTEM_MEM);
-	if (ret) {
-		dev_err(dev->dev, "%s - sent set_tear_on faild\n", __func__);
-		goto out_err;
-	}
-
-	/* Do some init stuff */
-	REG_WRITE(pipeconf_reg, pipeconf_val | PIPEACONF_DSR);
-	REG_READ(pipeconf_reg);
-
-	/* TODO: this looks ugly, try to move it to CRTC mode setting*/
-	if (pipe == 2)
-		dev_priv->pipeconf2 |= PIPEACONF_DSR;
-	else
-		dev_priv->pipeconf |= PIPEACONF_DSR;
-
-	dev_dbg(dev->dev, "pipeconf %x\n",  REG_READ(pipeconf_reg));
-
-	ret = mdfld_dsi_dbi_update_area(dsi_output, 0, 0,
-				h_active_area - 1, v_active_area - 1);
-	if (ret) {
-		dev_err(dev->dev, "update area failed\n");
-		goto out_err;
-	}
-
-out_err:
-	gma_power_end(dev);
-
-	if (ret)
-		dev_err(dev->dev, "mode set failed\n");
-}
-
-static void mdfld_dsi_dbi_prepare(struct drm_encoder *encoder)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output
-				= MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-
-	dbi_output->mode_flags |= MODE_SETTING_IN_ENCODER;
-	dbi_output->mode_flags &= ~MODE_SETTING_ENCODER_DONE;
-
-	mdfld_dsi_dbi_set_power(encoder, false);
-}
-
-static void mdfld_dsi_dbi_commit(struct drm_encoder *encoder)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output =
-					MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_drm_dpu_rect rect;
-
-	mdfld_dsi_dbi_set_power(encoder, true);
-	dbi_output->mode_flags &= ~MODE_SETTING_IN_ENCODER;
-
-	rect.x = rect.y = 0;
-	rect.width = 864;
-	rect.height = 480;
-
-	if (dbi_output->channel_num == 1) {
-		dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2;
-		/*if dpu enabled report a fullscreen damage*/
-		mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect);
-	} else {
-		dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0;
-		mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect);
-	}
-	dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE;
-}
-
-static void mdfld_dsi_dbi_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-	struct mdfld_dsi_dbi_output *dbi_output
-				= MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	static bool bdispoff;
-
-	dev_dbg(dev->dev, "%s\n", (mode == DRM_MODE_DPMS_ON ? "on" : "off"));
-
-	if (mode == DRM_MODE_DPMS_ON) {
-		/*
-		 * FIXME: in case I am wrong!
-		 * we don't need to exit dsr here to wake up plane/pipe/pll
-		 * if everything goes right, hw_begin will resume them all
-		 * during set_power.
-		 */
-		if (bdispoff /* FIXME && gbgfxsuspended */) {
-			mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_2D_3D);
-			bdispoff = false;
-			dev_priv->dispstatus = true;
-		}
-
-		mdfld_dsi_dbi_set_power(encoder, true);
-		/* FIXME if (gbgfxsuspended)
-			gbgfxsuspended = false; */
-	} else {
-		/*
-		 * I am not sure whether this is the perfect place to
-		 * turn rpm on since we still have a lot of CRTC turnning
-		 * on work to do.
-		 */
-		bdispoff = true;
-		dev_priv->dispstatus = false;
-		mdfld_dsi_dbi_set_power(encoder, false);
-	}
-}
-
-
-/*
- * Update the DBI MIPI Panel Frame Buffer.
- */
-static void mdfld_dsi_dbi_update_fb(struct mdfld_dsi_dbi_output *dbi_output,
-								int pipe)
-{
-	struct mdfld_dsi_pkg_sender *sender =
-		mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-	struct drm_device *dev = dbi_output->dev;
-	struct drm_crtc *crtc = dbi_output->base.base.crtc;
-	struct psb_intel_crtc *psb_crtc = (crtc) ?
-					to_psb_intel_crtc(crtc) : NULL;
-	u32 dpll_reg = MRST_DPLL_A;
-	u32 dspcntr_reg = DSPACNTR;
-	u32 pipeconf_reg = PIPEACONF;
-	u32 dsplinoff_reg = DSPALINOFF;
-	u32 dspsurf_reg = DSPASURF;
-	u32 reg_offset = 0;
-
-	/* If mode setting on-going, back off */
-	if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-		(psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING) ||
-		!(dbi_output->mode_flags & MODE_SETTING_ENCODER_DONE))
-		return;
-
-	if (pipe == 2) {
-		dspcntr_reg = DSPCCNTR;
-		pipeconf_reg = PIPECCONF;
-		dsplinoff_reg = DSPCLINOFF;
-		dspsurf_reg = DSPCSURF;
-		reg_offset = MIPIC_REG_OFFSET;
-	}
-
-	if (!gma_power_begin(dev, true)) {
-		dev_err(dev->dev, "hw begin failed\n");
-		return;
-	}
-
-	/* Check DBI FIFO status */
-	if (!(REG_READ(dpll_reg) & DPLL_VCO_ENABLE) ||
-	   !(REG_READ(dspcntr_reg) & DISPLAY_PLANE_ENABLE) ||
-	   !(REG_READ(pipeconf_reg) & DISPLAY_PLANE_ENABLE))
-		goto update_fb_out0;
-
-	/* Refresh plane changes */
-	REG_WRITE(dsplinoff_reg, REG_READ(dsplinoff_reg));
-	REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg));
-	REG_READ(dspsurf_reg);
-
-	mdfld_dsi_send_dcs(sender,
-			   DCS_WRITE_MEM_START,
-			   NULL,
-			   0,
-			   CMD_DATA_SRC_PIPE,
-			   MDFLD_DSI_SEND_PACKAGE);
-
-	dbi_output->dsr_fb_update_done = true;
-update_fb_out0:
-	gma_power_end(dev);
-}
-
-static int tpo_cmd_get_panel_info(struct drm_device *dev,
-				int pipe,
-				struct panel_info *pi)
-{
-	if (!dev || !pi)
-		return -EINVAL;
-
-	pi->width_mm = TPO_PANEL_WIDTH;
-	pi->height_mm = TPO_PANEL_HEIGHT;
-
-	return 0;
-}
-
-
-/* TPO DBI encoder helper funcs */
-static const struct drm_encoder_helper_funcs mdfld_dsi_dbi_helper_funcs = {
-	.dpms = mdfld_dsi_dbi_dpms,
-	.mode_fixup = mdfld_dsi_dbi_mode_fixup,
-	.prepare = mdfld_dsi_dbi_prepare,
-	.mode_set = mdfld_dsi_dbi_mode_set,
-	.commit = mdfld_dsi_dbi_commit,
-};
-
-/* TPO DBI encoder funcs */
-static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-void tpo_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-	p_funcs->encoder_funcs = &mdfld_dsi_dbi_encoder_funcs;
-	p_funcs->encoder_helper_funcs = &mdfld_dsi_dbi_helper_funcs;
-	p_funcs->get_config_mode = &tpo_cmd_get_config_mode;
-	p_funcs->update_fb = mdfld_dsi_dbi_update_fb;
-	p_funcs->get_panel_info = tpo_cmd_get_panel_info;
-	p_funcs->reset = mdfld_dsi_panel_reset;
-	p_funcs->drv_ic_init = mdfld_dsi_brightness_init;
-}
diff --git a/drivers/staging/gma500/mdfld_tpo_vid.c b/drivers/staging/gma500/mdfld_tpo_vid.c
deleted file mode 100644
index 954901751760..000000000000
--- a/drivers/staging/gma500/mdfld_tpo_vid.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/tpo_vid.h"
-
-static struct drm_display_mode *tpo_vid_get_config_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-	bool use_gct = false;
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode) {
-		dev_err(dev->dev, "out of memory\n");
-		return NULL;
-	}
-
-	if (use_gct) {
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay + \
-				((ti->hsync_offset_hi << 8) | \
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start + \
-				((ti->hsync_pulse_width_hi << 8) | \
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-								ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay + \
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-
-		dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-		dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-		dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-		dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-		dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-		dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-		dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-		dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-		dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-	} else {
-		mode->hdisplay = 864;
-		mode->vdisplay = 480;
-		mode->hsync_start = 873;
-		mode->hsync_end = 876;
-		mode->htotal = 887;
-		mode->vsync_start = 487;
-		mode->vsync_end = 490;
-		mode->vtotal = 499;
-		mode->clock = 33264;
-	}
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-	return mode;
-}
-
-static int tpo_vid_get_panel_info(struct drm_device *dev,
-				int pipe,
-				struct panel_info *pi)
-{
-	if (!dev || !pi)
-		return -EINVAL;
-
-	pi->width_mm = TPO_PANEL_WIDTH;
-	pi->height_mm = TPO_PANEL_HEIGHT;
-
-	return 0;
-}
-
-/*TPO DPI encoder helper funcs*/
-static const struct drm_encoder_helper_funcs
-					mdfld_tpo_dpi_encoder_helper_funcs = {
-	.dpms = mdfld_dsi_dpi_dpms,
-	.mode_fixup = mdfld_dsi_dpi_mode_fixup,
-	.prepare = mdfld_dsi_dpi_prepare,
-	.mode_set = mdfld_dsi_dpi_mode_set,
-	.commit = mdfld_dsi_dpi_commit,
-};
-
-/*TPO DPI encoder funcs*/
-static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-void tpo_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-	if (!dev || !p_funcs) {
-		dev_err(dev->dev, "tpo_vid_init: Invalid parameters\n");
-		return;
-	}
-
-	p_funcs->encoder_funcs = &mdfld_tpo_dpi_encoder_funcs;
-	p_funcs->encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs;
-	p_funcs->get_config_mode = &tpo_vid_get_config_mode;
-	p_funcs->update_fb = NULL;
-	p_funcs->get_panel_info = tpo_vid_get_panel_info;
-}
diff --git a/drivers/staging/gma500/medfield.h b/drivers/staging/gma500/medfield.h
deleted file mode 100644
index 09e9687431f1..000000000000
--- a/drivers/staging/gma500/medfield.h
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
- * Copyright © 2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-/* Medfield DSI controller registers */
-
-#define MIPIA_DEVICE_READY_REG				0xb000
-#define MIPIA_INTR_STAT_REG				0xb004
-#define MIPIA_INTR_EN_REG				0xb008
-#define MIPIA_DSI_FUNC_PRG_REG				0xb00c
-#define MIPIA_HS_TX_TIMEOUT_REG				0xb010
-#define MIPIA_LP_RX_TIMEOUT_REG				0xb014
-#define MIPIA_TURN_AROUND_TIMEOUT_REG			0xb018
-#define MIPIA_DEVICE_RESET_TIMER_REG			0xb01c
-#define MIPIA_DPI_RESOLUTION_REG			0xb020
-#define MIPIA_DBI_FIFO_THROTTLE_REG			0xb024
-#define MIPIA_HSYNC_COUNT_REG				0xb028
-#define MIPIA_HBP_COUNT_REG				0xb02c
-#define MIPIA_HFP_COUNT_REG				0xb030
-#define MIPIA_HACTIVE_COUNT_REG				0xb034
-#define MIPIA_VSYNC_COUNT_REG				0xb038
-#define MIPIA_VBP_COUNT_REG				0xb03c
-#define MIPIA_VFP_COUNT_REG				0xb040
-#define MIPIA_HIGH_LOW_SWITCH_COUNT_REG			0xb044
-#define MIPIA_DPI_CONTROL_REG				0xb048
-#define MIPIA_DPI_DATA_REG				0xb04c
-#define MIPIA_INIT_COUNT_REG				0xb050
-#define MIPIA_MAX_RETURN_PACK_SIZE_REG			0xb054
-#define MIPIA_VIDEO_MODE_FORMAT_REG			0xb058
-#define MIPIA_EOT_DISABLE_REG				0xb05c
-#define MIPIA_LP_BYTECLK_REG				0xb060
-#define MIPIA_LP_GEN_DATA_REG				0xb064
-#define MIPIA_HS_GEN_DATA_REG				0xb068
-#define MIPIA_LP_GEN_CTRL_REG				0xb06c
-#define MIPIA_HS_GEN_CTRL_REG				0xb070
-#define MIPIA_GEN_FIFO_STAT_REG				0xb074
-#define MIPIA_HS_LS_DBI_ENABLE_REG			0xb078
-#define MIPIA_DPHY_PARAM_REG				0xb080
-#define MIPIA_DBI_BW_CTRL_REG				0xb084
-#define MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG		0xb088
-
-#define DSI_DEVICE_READY				(0x1)
-#define DSI_POWER_STATE_ULPS_ENTER			(0x2 << 1)
-#define DSI_POWER_STATE_ULPS_EXIT			(0x1 << 1)
-#define DSI_POWER_STATE_ULPS_OFFSET			(0x1)
-
-
-#define DSI_ONE_DATA_LANE				(0x1)
-#define DSI_TWO_DATA_LANE				(0x2)
-#define DSI_THREE_DATA_LANE				(0X3)
-#define DSI_FOUR_DATA_LANE				(0x4)
-#define DSI_DPI_VIRT_CHANNEL_OFFSET			(0x3)
-#define DSI_DBI_VIRT_CHANNEL_OFFSET			(0x5)
-#define DSI_DPI_COLOR_FORMAT_RGB565			(0x01 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB666			(0x02 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB666_UNPACK		(0x03 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB888			(0x04 << 7)
-#define DSI_DBI_COLOR_FORMAT_OPTION2			(0x05 << 13)
-
-#define DSI_INTR_STATE_RXSOTERROR			1
-
-#define DSI_INTR_STATE_SPL_PKG_SENT			(1 << 30)
-#define DSI_INTR_STATE_TE				(1 << 31)
-
-#define DSI_HS_TX_TIMEOUT_MASK				(0xffffff)
-
-#define DSI_LP_RX_TIMEOUT_MASK				(0xffffff)
-
-#define DSI_TURN_AROUND_TIMEOUT_MASK			(0x3f)
-
-#define DSI_RESET_TIMER_MASK				(0xffff)
-
-#define DSI_DBI_FIFO_WM_HALF				(0x0)
-#define DSI_DBI_FIFO_WM_QUARTER				(0x1)
-#define DSI_DBI_FIFO_WM_LOW				(0x2)
-
-#define DSI_DPI_TIMING_MASK				(0xffff)
-
-#define DSI_INIT_TIMER_MASK				(0xffff)
-
-#define DSI_DBI_RETURN_PACK_SIZE_MASK			(0x3ff)
-
-#define DSI_LP_BYTECLK_MASK				(0x0ffff)
-
-#define DSI_HS_CTRL_GEN_SHORT_W0			(0x03)
-#define DSI_HS_CTRL_GEN_SHORT_W1			(0x13)
-#define DSI_HS_CTRL_GEN_SHORT_W2			(0x23)
-#define DSI_HS_CTRL_GEN_R0				(0x04)
-#define DSI_HS_CTRL_GEN_R1				(0x14)
-#define DSI_HS_CTRL_GEN_R2				(0x24)
-#define DSI_HS_CTRL_GEN_LONG_W				(0x29)
-#define DSI_HS_CTRL_MCS_SHORT_W0			(0x05)
-#define DSI_HS_CTRL_MCS_SHORT_W1			(0x15)
-#define DSI_HS_CTRL_MCS_R0				(0x06)
-#define DSI_HS_CTRL_MCS_LONG_W				(0x39)
-#define DSI_HS_CTRL_VC_OFFSET				(0x06)
-#define DSI_HS_CTRL_WC_OFFSET				(0x08)
-
-#define	DSI_FIFO_GEN_HS_DATA_FULL			(1 << 0)
-#define DSI_FIFO_GEN_HS_DATA_HALF_EMPTY			(1 << 1)
-#define DSI_FIFO_GEN_HS_DATA_EMPTY			(1 << 2)
-#define DSI_FIFO_GEN_LP_DATA_FULL			(1 << 8)
-#define DSI_FIFO_GEN_LP_DATA_HALF_EMPTY			(1 << 9)
-#define DSI_FIFO_GEN_LP_DATA_EMPTY			(1 << 10)
-#define DSI_FIFO_GEN_HS_CTRL_FULL			(1 << 16)
-#define DSI_FIFO_GEN_HS_CTRL_HALF_EMPTY			(1 << 17)
-#define DSI_FIFO_GEN_HS_CTRL_EMPTY			(1 << 18)
-#define DSI_FIFO_GEN_LP_CTRL_FULL			(1 << 24)
-#define DSI_FIFO_GEN_LP_CTRL_HALF_EMPTY			(1 << 25)
-#define DSI_FIFO_GEN_LP_CTRL_EMPTY			(1 << 26)
-#define DSI_FIFO_DBI_EMPTY				(1 << 27)
-#define DSI_FIFO_DPI_EMPTY				(1 << 28)
-
-#define DSI_DBI_HS_LP_SWITCH_MASK			(0x1)
-
-#define DSI_HS_LP_SWITCH_COUNTER_OFFSET			(0x0)
-#define DSI_LP_HS_SWITCH_COUNTER_OFFSET			(0x16)
-
-#define DSI_DPI_CTRL_HS_SHUTDOWN			(0x00000001)
-#define DSI_DPI_CTRL_HS_TURN_ON				(0x00000002)
-
-/* Medfield DSI adapter registers */
-#define MIPIA_CONTROL_REG				0xb104
-#define MIPIA_DATA_ADD_REG				0xb108
-#define MIPIA_DATA_LEN_REG				0xb10c
-#define MIPIA_CMD_ADD_REG				0xb110
-#define MIPIA_CMD_LEN_REG				0xb114
-
-/*dsi power modes*/
-#define DSI_POWER_MODE_DISPLAY_ON	(1 << 2)
-#define DSI_POWER_MODE_NORMAL_ON	(1 << 3)
-#define DSI_POWER_MODE_SLEEP_OUT	(1 << 4)
-#define DSI_POWER_MODE_PARTIAL_ON	(1 << 5)
-#define DSI_POWER_MODE_IDLE_ON		(1 << 6)
-
-enum {
-	MDFLD_DSI_ENCODER_DBI = 0,
-	MDFLD_DSI_ENCODER_DPI,
-};
-
-enum {
-	MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE = 1,
-	MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS = 2,
-	MDFLD_DSI_VIDEO_BURST_MODE = 3,
-};
-
-#define DSI_DPI_COMPLETE_LAST_LINE			(1 << 2)
-#define DSI_DPI_DISABLE_BTA				(1 << 3)
-/* Panel types */
-enum {
-	TPO_CMD,
-	TPO_VID,
-	TMD_CMD,
-	TMD_VID,
-	PYR_CMD,
-	PYR_VID,
-	TPO,
-	TMD,
-	PYR,
-	HDMI,
-	GCT_DETECT
-};
-
-/* Junk that belongs elsewhere */
-#define TPO_PANEL_WIDTH		84
-#define TPO_PANEL_HEIGHT	46
-#define TMD_PANEL_WIDTH		39
-#define TMD_PANEL_HEIGHT	71
-#define PYR_PANEL_WIDTH		53
-#define PYR_PANEL_HEIGHT	95
-
-/* Panel interface */
-struct panel_info {
-	u32 width_mm;
-	u32 height_mm;
-};
-
-struct mdfld_dsi_dbi_output;
-
-struct mdfld_dsi_connector_state {
-	u32 mipi_ctrl_reg;
-};
-
-struct mdfld_dsi_encoder_state {
-
-};
-
-struct mdfld_dsi_connector {
-	/*
-	 * This is ugly, but I have to use connector in it! :-(
-	 * FIXME: use drm_connector instead.
-	 */
-	struct psb_intel_output base;
-
-	int pipe;
-	void *private;
-	void *pkg_sender;
-
-	/* Connection status */
-	enum drm_connector_status status;
-};
-
-struct mdfld_dsi_encoder {
-	struct drm_encoder base;
-	void *private;
-};
-
-/*
- * DSI config, consists of one DSI connector, two DSI encoders.
- * DRM will pick up on DSI encoder basing on differents configs.
- */
-struct mdfld_dsi_config {
-	struct drm_device *dev;
-	struct drm_display_mode *fixed_mode;
-	struct drm_display_mode *mode;
-
-	struct mdfld_dsi_connector *connector;
-	struct mdfld_dsi_encoder *encoders[DRM_CONNECTOR_MAX_ENCODER];
-	struct mdfld_dsi_encoder *encoder;
-
-	int changed;
-
-	int bpp;
-	int type;
-	int lane_count;
-	/*Virtual channel number for this encoder*/
-	int channel_num;
-	/*video mode configure*/
-	int video_mode;
-
-	int dvr_ic_inited;
-};
-
-#define MDFLD_DSI_CONNECTOR(psb_output) \
-		(container_of(psb_output, struct mdfld_dsi_connector, base))
-
-#define MDFLD_DSI_ENCODER(encoder) \
-		(container_of(encoder, struct mdfld_dsi_encoder, base))
-
-struct panel_funcs {
-	const struct drm_encoder_funcs *encoder_funcs;
-	const struct drm_encoder_helper_funcs *encoder_helper_funcs;
-	struct drm_display_mode *(*get_config_mode) (struct drm_device *);
-	void (*update_fb) (struct mdfld_dsi_dbi_output *, int);
-	int (*get_panel_info) (struct drm_device *, int, struct panel_info *);
-	int (*reset)(int pipe);
-	void (*drv_ic_init)(struct mdfld_dsi_config *dsi_config, int pipe);
-};
-
diff --git a/drivers/staging/gma500/mid_bios.c b/drivers/staging/gma500/mid_bios.c
deleted file mode 100644
index ee3c0368e320..000000000000
--- a/drivers/staging/gma500/mid_bios.c
+++ /dev/null
@@ -1,270 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-/* TODO
- * - Split functions by vbt type
- * - Make them all take drm_device
- * - Check ioremap failures
- */
-
-#include <linux/moduleparam.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "mid_bios.h"
-#include "mdfld_output.h"
-
-static int panel_id = GCT_DETECT;
-module_param_named(panel_id, panel_id, int, 0600);
-MODULE_PARM_DESC(panel_id, "Panel Identifier");
-
-
-static void mid_get_fuse_settings(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	uint32_t fuse_value = 0;
-	uint32_t fuse_value_tmp = 0;
-
-#define FB_REG06 0xD0810600
-#define FB_MIPI_DISABLE  (1 << 11)
-#define FB_REG09 0xD0810900
-#define FB_REG09 0xD0810900
-#define FB_SKU_MASK  0x7000
-#define FB_SKU_SHIFT 12
-#define FB_SKU_100 0
-#define FB_SKU_100L 1
-#define FB_SKU_83 2
-	pci_write_config_dword(pci_root, 0xD0, FB_REG06);
-	pci_read_config_dword(pci_root, 0xD4, &fuse_value);
-
-	/* FB_MIPI_DISABLE doesn't mean LVDS on with Medfield */
-	if (IS_MRST(dev))
-		dev_priv->iLVDS_enable = fuse_value & FB_MIPI_DISABLE;
-
-	DRM_INFO("internal display is %s\n",
-		 dev_priv->iLVDS_enable ? "LVDS display" : "MIPI display");
-
-	 /* Prevent runtime suspend at start*/
-	 if (dev_priv->iLVDS_enable) {
-		dev_priv->is_lvds_on = true;
-		dev_priv->is_mipi_on = false;
-	} else {
-		dev_priv->is_mipi_on = true;
-		dev_priv->is_lvds_on = false;
-	}
-
-	dev_priv->video_device_fuse = fuse_value;
-
-	pci_write_config_dword(pci_root, 0xD0, FB_REG09);
-	pci_read_config_dword(pci_root, 0xD4, &fuse_value);
-
-	dev_dbg(dev->dev, "SKU values is 0x%x.\n", fuse_value);
-	fuse_value_tmp = (fuse_value & FB_SKU_MASK) >> FB_SKU_SHIFT;
-
-	dev_priv->fuse_reg_value = fuse_value;
-
-	switch (fuse_value_tmp) {
-	case FB_SKU_100:
-		dev_priv->core_freq = 200;
-		break;
-	case FB_SKU_100L:
-		dev_priv->core_freq = 100;
-		break;
-	case FB_SKU_83:
-		dev_priv->core_freq = 166;
-		break;
-	default:
-		dev_warn(dev->dev, "Invalid SKU values, SKU value = 0x%08x\n",
-								fuse_value_tmp);
-		dev_priv->core_freq = 0;
-	}
-	dev_dbg(dev->dev, "LNC core clk is %dMHz.\n", dev_priv->core_freq);
-	pci_dev_put(pci_root);
-}
-
-/*
- *	Get the revison ID, B0:D2:F0;0x08
- */
-static void mid_get_pci_revID(struct drm_psb_private *dev_priv)
-{
-	uint32_t platform_rev_id = 0;
-	struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
-
-	pci_read_config_dword(pci_gfx_root, 0x08, &platform_rev_id);
-	dev_priv->platform_rev_id = (uint8_t) platform_rev_id;
-	pci_dev_put(pci_gfx_root);
-	dev_dbg(dev_priv->dev->dev, "platform_rev_id is %x\n",
-					dev_priv->platform_rev_id);
-}
-
-static void mid_get_vbt_data(struct drm_psb_private *dev_priv)
-{
-	struct drm_device *dev = dev_priv->dev;
-	struct mrst_vbt *vbt = &dev_priv->vbt_data;
-	u32 addr;
-	u16 new_size;
-	u8 *vbt_virtual;
-	u8 bpi;
-	u8 number_desc = 0;
-	struct mrst_timing_info *dp_ti = &dev_priv->gct_data.DTD;
-	struct gct_r10_timing_info ti;
-	void *pGCT;
-	struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
-
-	/* Get the address of the platform config vbt, B0:D2:F0;0xFC */
-	pci_read_config_dword(pci_gfx_root, 0xFC, &addr);
-	pci_dev_put(pci_gfx_root);
-
-	dev_dbg(dev->dev, "drm platform config address is %x\n", addr);
-
-	/* check for platform config address == 0. */
-	/* this means fw doesn't support vbt */
-
-	if (addr == 0) {
-		vbt->size = 0;
-		return;
-	}
-
-	/* get the virtual address of the vbt */
-	vbt_virtual = ioremap(addr, sizeof(*vbt));
-
-	memcpy(vbt, vbt_virtual, sizeof(*vbt));
-	iounmap(vbt_virtual); /* Free virtual address space */
-
-	dev_dbg(dev->dev, "GCT revision is %x\n", vbt->revision);
-
-	switch (vbt->revision) {
-	case 0:
-		vbt->mrst_gct = ioremap(addr + sizeof(*vbt) - 4,
-					vbt->size - sizeof(*vbt) + 4);
-		pGCT = vbt->mrst_gct;
-		bpi = ((struct mrst_gct_v1 *)pGCT)->PD.BootPanelIndex;
-		dev_priv->gct_data.bpi = bpi;
-		dev_priv->gct_data.pt =
-			((struct mrst_gct_v1 *)pGCT)->PD.PanelType;
-		memcpy(&dev_priv->gct_data.DTD,
-			&((struct mrst_gct_v1 *)pGCT)->panel[bpi].DTD,
-				sizeof(struct mrst_timing_info));
-		dev_priv->gct_data.Panel_Port_Control =
-		  ((struct mrst_gct_v1 *)pGCT)->panel[bpi].Panel_Port_Control;
-		dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
-			((struct mrst_gct_v1 *)pGCT)->panel[bpi].Panel_MIPI_Display_Descriptor;
-		break;
-	case 1:
-		vbt->mrst_gct = ioremap(addr + sizeof(*vbt) - 4,
-					vbt->size - sizeof(*vbt) + 4);
-		pGCT = vbt->mrst_gct;
-		bpi = ((struct mrst_gct_v2 *)pGCT)->PD.BootPanelIndex;
-		dev_priv->gct_data.bpi = bpi;
-		dev_priv->gct_data.pt =
-			((struct mrst_gct_v2 *)pGCT)->PD.PanelType;
-		memcpy(&dev_priv->gct_data.DTD,
-			&((struct mrst_gct_v2 *)pGCT)->panel[bpi].DTD,
-				sizeof(struct mrst_timing_info));
-		dev_priv->gct_data.Panel_Port_Control =
-		  ((struct mrst_gct_v2 *)pGCT)->panel[bpi].Panel_Port_Control;
-		dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
-			((struct mrst_gct_v2 *)pGCT)->panel[bpi].Panel_MIPI_Display_Descriptor;
-		break;
-	case 0x10:
-		/*header definition changed from rev 01 (v2) to rev 10h. */
-		/*so, some values have changed location*/
-		new_size = vbt->checksum; /*checksum contains lo size byte*/
-		/*LSB of mrst_gct contains hi size byte*/
-		new_size |= ((0xff & (unsigned int)vbt->mrst_gct)) << 8;
-
-		vbt->checksum = vbt->size; /*size contains the checksum*/
-		if (new_size > 0xff)
-			vbt->size = 0xff; /*restrict size to 255*/
-		else
-			vbt->size = new_size;
-
-		/* number of descriptors defined in the GCT */
-		number_desc = ((0xff00 & (unsigned int)vbt->mrst_gct)) >> 8;
-		bpi = ((0xff0000 & (unsigned int)vbt->mrst_gct)) >> 16;
-		vbt->mrst_gct = ioremap(addr + GCT_R10_HEADER_SIZE,
-				GCT_R10_DISPLAY_DESC_SIZE * number_desc);
-		pGCT = vbt->mrst_gct;
-		pGCT = (u8 *)pGCT + (bpi*GCT_R10_DISPLAY_DESC_SIZE);
-		dev_priv->gct_data.bpi = bpi; /*save boot panel id*/
-
-		/*copy the GCT display timings into a temp structure*/
-		memcpy(&ti, pGCT, sizeof(struct gct_r10_timing_info));
-
-		/*now copy the temp struct into the dev_priv->gct_data*/
-		dp_ti->pixel_clock = ti.pixel_clock;
-		dp_ti->hactive_hi = ti.hactive_hi;
-		dp_ti->hactive_lo = ti.hactive_lo;
-		dp_ti->hblank_hi = ti.hblank_hi;
-		dp_ti->hblank_lo = ti.hblank_lo;
-		dp_ti->hsync_offset_hi = ti.hsync_offset_hi;
-		dp_ti->hsync_offset_lo = ti.hsync_offset_lo;
-		dp_ti->hsync_pulse_width_hi = ti.hsync_pulse_width_hi;
-		dp_ti->hsync_pulse_width_lo = ti.hsync_pulse_width_lo;
-		dp_ti->vactive_hi = ti.vactive_hi;
-		dp_ti->vactive_lo = ti.vactive_lo;
-		dp_ti->vblank_hi = ti.vblank_hi;
-		dp_ti->vblank_lo = ti.vblank_lo;
-		dp_ti->vsync_offset_hi = ti.vsync_offset_hi;
-		dp_ti->vsync_offset_lo = ti.vsync_offset_lo;
-		dp_ti->vsync_pulse_width_hi = ti.vsync_pulse_width_hi;
-		dp_ti->vsync_pulse_width_lo = ti.vsync_pulse_width_lo;
-
-		/* Move the MIPI_Display_Descriptor data from GCT to dev priv */
-		dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
-							*((u8 *)pGCT + 0x0d);
-		dev_priv->gct_data.Panel_MIPI_Display_Descriptor |=
-						(*((u8 *)pGCT + 0x0e)) << 8;
-		break;
-	default:
-		dev_err(dev->dev, "Unknown revision of GCT!\n");
-		vbt->size = 0;
-	}
-	if (IS_MFLD(dev_priv->dev)) {
-		if (panel_id == GCT_DETECT) {
-			if (dev_priv->gct_data.bpi == 2) {
-				dev_info(dev->dev, "[GFX] PYR Panel Detected\n");
-				dev_priv->panel_id = PYR_CMD;
-				panel_id = PYR_CMD;
-			} else if (dev_priv->gct_data.bpi == 0) {
-				dev_info(dev->dev, "[GFX] TMD Panel Detected.\n");
-				dev_priv->panel_id = TMD_VID;
-				panel_id = TMD_VID;
-			} else {
-				dev_info(dev->dev, "[GFX] Default Panel (TPO)\n");
-				dev_priv->panel_id = TPO_CMD;
-				panel_id = TPO_CMD;
-			}
-		} else {
-			dev_info(dev->dev, "[GFX] Panel Parameter Passed in through cmd line\n");
-			dev_priv->panel_id = panel_id;
-		}
-	}
-}
-
-int mid_chip_setup(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	mid_get_fuse_settings(dev);
-	mid_get_vbt_data(dev_priv);
-	mid_get_pci_revID(dev_priv);
-	return 0;
-}
diff --git a/drivers/staging/gma500/mid_bios.h b/drivers/staging/gma500/mid_bios.h
deleted file mode 100644
index 00e7d564b7eb..000000000000
--- a/drivers/staging/gma500/mid_bios.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-extern int mid_chip_setup(struct drm_device *dev);
-
diff --git a/drivers/staging/gma500/mmu.c b/drivers/staging/gma500/mmu.c
deleted file mode 100644
index c904d73b1de3..000000000000
--- a/drivers/staging/gma500/mmu.c
+++ /dev/null
@@ -1,858 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-
-/*
- * Code for the SGX MMU:
- */
-
-/*
- * clflush on one processor only:
- * clflush should apparently flush the cache line on all processors in an
- * SMP system.
- */
-
-/*
- * kmap atomic:
- * The usage of the slots must be completely encapsulated within a spinlock, and
- * no other functions that may be using the locks for other purposed may be
- * called from within the locked region.
- * Since the slots are per processor, this will guarantee that we are the only
- * user.
- */
-
-/*
- * TODO: Inserting ptes from an interrupt handler:
- * This may be desirable for some SGX functionality where the GPU can fault in
- * needed pages. For that, we need to make an atomic insert_pages function, that
- * may fail.
- * If it fails, the caller need to insert the page using a workqueue function,
- * but on average it should be fast.
- */
-
-struct psb_mmu_driver {
-	/* protects driver- and pd structures. Always take in read mode
-	 * before taking the page table spinlock.
-	 */
-	struct rw_semaphore sem;
-
-	/* protects page tables, directory tables and pt tables.
-	 * and pt structures.
-	 */
-	spinlock_t lock;
-
-	atomic_t needs_tlbflush;
-
-	uint8_t __iomem *register_map;
-	struct psb_mmu_pd *default_pd;
-	/*uint32_t bif_ctrl;*/
-	int has_clflush;
-	int clflush_add;
-	unsigned long clflush_mask;
-
-	struct drm_psb_private *dev_priv;
-};
-
-struct psb_mmu_pd;
-
-struct psb_mmu_pt {
-	struct psb_mmu_pd *pd;
-	uint32_t index;
-	uint32_t count;
-	struct page *p;
-	uint32_t *v;
-};
-
-struct psb_mmu_pd {
-	struct psb_mmu_driver *driver;
-	int hw_context;
-	struct psb_mmu_pt **tables;
-	struct page *p;
-	struct page *dummy_pt;
-	struct page *dummy_page;
-	uint32_t pd_mask;
-	uint32_t invalid_pde;
-	uint32_t invalid_pte;
-};
-
-static inline uint32_t psb_mmu_pt_index(uint32_t offset)
-{
-	return (offset >> PSB_PTE_SHIFT) & 0x3FF;
-}
-
-static inline uint32_t psb_mmu_pd_index(uint32_t offset)
-{
-	return offset >> PSB_PDE_SHIFT;
-}
-
-static inline void psb_clflush(void *addr)
-{
-	__asm__ __volatile__("clflush (%0)\n" : : "r"(addr) : "memory");
-}
-
-static inline void psb_mmu_clflush(struct psb_mmu_driver *driver,
-				   void *addr)
-{
-	if (!driver->has_clflush)
-		return;
-
-	mb();
-	psb_clflush(addr);
-	mb();
-}
-
-static void psb_page_clflush(struct psb_mmu_driver *driver, struct page* page)
-{
-	uint32_t clflush_add = driver->clflush_add >> PAGE_SHIFT;
-	uint32_t clflush_count = PAGE_SIZE / clflush_add;
-	int i;
-	uint8_t *clf;
-
-	clf = kmap_atomic(page, KM_USER0);
-	mb();
-	for (i = 0; i < clflush_count; ++i) {
-		psb_clflush(clf);
-		clf += clflush_add;
-	}
-	mb();
-	kunmap_atomic(clf, KM_USER0);
-}
-
-static void psb_pages_clflush(struct psb_mmu_driver *driver,
-				struct page *page[], unsigned long num_pages)
-{
-	int i;
-
-	if (!driver->has_clflush)
-		return ;
-
-	for (i = 0; i < num_pages; i++)
-		psb_page_clflush(driver, *page++);
-}
-
-static void psb_mmu_flush_pd_locked(struct psb_mmu_driver *driver,
-				    int force)
-{
-	atomic_set(&driver->needs_tlbflush, 0);
-}
-
-static void psb_mmu_flush_pd(struct psb_mmu_driver *driver, int force)
-{
-	down_write(&driver->sem);
-	psb_mmu_flush_pd_locked(driver, force);
-	up_write(&driver->sem);
-}
-
-void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot)
-{
-	if (rc_prot)
-		down_write(&driver->sem);
-	if (rc_prot)
-		up_write(&driver->sem);
-}
-
-void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context)
-{
-	/*ttm_tt_cache_flush(&pd->p, 1);*/
-	psb_pages_clflush(pd->driver, &pd->p, 1);
-	down_write(&pd->driver->sem);
-	wmb();
-	psb_mmu_flush_pd_locked(pd->driver, 1);
-	pd->hw_context = hw_context;
-	up_write(&pd->driver->sem);
-
-}
-
-static inline unsigned long psb_pd_addr_end(unsigned long addr,
-					    unsigned long end)
-{
-
-	addr = (addr + PSB_PDE_MASK + 1) & ~PSB_PDE_MASK;
-	return (addr < end) ? addr : end;
-}
-
-static inline uint32_t psb_mmu_mask_pte(uint32_t pfn, int type)
-{
-	uint32_t mask = PSB_PTE_VALID;
-
-	if (type & PSB_MMU_CACHED_MEMORY)
-		mask |= PSB_PTE_CACHED;
-	if (type & PSB_MMU_RO_MEMORY)
-		mask |= PSB_PTE_RO;
-	if (type & PSB_MMU_WO_MEMORY)
-		mask |= PSB_PTE_WO;
-
-	return (pfn << PAGE_SHIFT) | mask;
-}
-
-struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
-				    int trap_pagefaults, int invalid_type)
-{
-	struct psb_mmu_pd *pd = kmalloc(sizeof(*pd), GFP_KERNEL);
-	uint32_t *v;
-	int i;
-
-	if (!pd)
-		return NULL;
-
-	pd->p = alloc_page(GFP_DMA32);
-	if (!pd->p)
-		goto out_err1;
-	pd->dummy_pt = alloc_page(GFP_DMA32);
-	if (!pd->dummy_pt)
-		goto out_err2;
-	pd->dummy_page = alloc_page(GFP_DMA32);
-	if (!pd->dummy_page)
-		goto out_err3;
-
-	if (!trap_pagefaults) {
-		pd->invalid_pde =
-		    psb_mmu_mask_pte(page_to_pfn(pd->dummy_pt),
-				     invalid_type);
-		pd->invalid_pte =
-		    psb_mmu_mask_pte(page_to_pfn(pd->dummy_page),
-				     invalid_type);
-	} else {
-		pd->invalid_pde = 0;
-		pd->invalid_pte = 0;
-	}
-
-	v = kmap(pd->dummy_pt);
-	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
-		v[i] = pd->invalid_pte;
-
-	kunmap(pd->dummy_pt);
-
-	v = kmap(pd->p);
-	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
-		v[i] = pd->invalid_pde;
-
-	kunmap(pd->p);
-
-	clear_page(kmap(pd->dummy_page));
-	kunmap(pd->dummy_page);
-
-	pd->tables = vmalloc_user(sizeof(struct psb_mmu_pt *) * 1024);
-	if (!pd->tables)
-		goto out_err4;
-
-	pd->hw_context = -1;
-	pd->pd_mask = PSB_PTE_VALID;
-	pd->driver = driver;
-
-	return pd;
-
-out_err4:
-	__free_page(pd->dummy_page);
-out_err3:
-	__free_page(pd->dummy_pt);
-out_err2:
-	__free_page(pd->p);
-out_err1:
-	kfree(pd);
-	return NULL;
-}
-
-void psb_mmu_free_pt(struct psb_mmu_pt *pt)
-{
-	__free_page(pt->p);
-	kfree(pt);
-}
-
-void psb_mmu_free_pagedir(struct psb_mmu_pd *pd)
-{
-	struct psb_mmu_driver *driver = pd->driver;
-	struct psb_mmu_pt *pt;
-	int i;
-
-	down_write(&driver->sem);
-	if (pd->hw_context != -1)
-		psb_mmu_flush_pd_locked(driver, 1);
-
-	/* Should take the spinlock here, but we don't need to do that
-	   since we have the semaphore in write mode. */
-
-	for (i = 0; i < 1024; ++i) {
-		pt = pd->tables[i];
-		if (pt)
-			psb_mmu_free_pt(pt);
-	}
-
-	vfree(pd->tables);
-	__free_page(pd->dummy_page);
-	__free_page(pd->dummy_pt);
-	__free_page(pd->p);
-	kfree(pd);
-	up_write(&driver->sem);
-}
-
-static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
-{
-	struct psb_mmu_pt *pt = kmalloc(sizeof(*pt), GFP_KERNEL);
-	void *v;
-	uint32_t clflush_add = pd->driver->clflush_add >> PAGE_SHIFT;
-	uint32_t clflush_count = PAGE_SIZE / clflush_add;
-	spinlock_t *lock = &pd->driver->lock;
-	uint8_t *clf;
-	uint32_t *ptes;
-	int i;
-
-	if (!pt)
-		return NULL;
-
-	pt->p = alloc_page(GFP_DMA32);
-	if (!pt->p) {
-		kfree(pt);
-		return NULL;
-	}
-
-	spin_lock(lock);
-
-	v = kmap_atomic(pt->p, KM_USER0);
-	clf = (uint8_t *) v;
-	ptes = (uint32_t *) v;
-	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
-		*ptes++ = pd->invalid_pte;
-
-
-	if (pd->driver->has_clflush && pd->hw_context != -1) {
-		mb();
-		for (i = 0; i < clflush_count; ++i) {
-			psb_clflush(clf);
-			clf += clflush_add;
-		}
-		mb();
-	}
-
-	kunmap_atomic(v, KM_USER0);
-	spin_unlock(lock);
-
-	pt->count = 0;
-	pt->pd = pd;
-	pt->index = 0;
-
-	return pt;
-}
-
-struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd,
-					     unsigned long addr)
-{
-	uint32_t index = psb_mmu_pd_index(addr);
-	struct psb_mmu_pt *pt;
-	uint32_t *v;
-	spinlock_t *lock = &pd->driver->lock;
-
-	spin_lock(lock);
-	pt = pd->tables[index];
-	while (!pt) {
-		spin_unlock(lock);
-		pt = psb_mmu_alloc_pt(pd);
-		if (!pt)
-			return NULL;
-		spin_lock(lock);
-
-		if (pd->tables[index]) {
-			spin_unlock(lock);
-			psb_mmu_free_pt(pt);
-			spin_lock(lock);
-			pt = pd->tables[index];
-			continue;
-		}
-
-		v = kmap_atomic(pd->p, KM_USER0);
-		pd->tables[index] = pt;
-		v[index] = (page_to_pfn(pt->p) << 12) | pd->pd_mask;
-		pt->index = index;
-		kunmap_atomic((void *) v, KM_USER0);
-
-		if (pd->hw_context != -1) {
-			psb_mmu_clflush(pd->driver, (void *) &v[index]);
-			atomic_set(&pd->driver->needs_tlbflush, 1);
-		}
-	}
-	pt->v = kmap_atomic(pt->p, KM_USER0);
-	return pt;
-}
-
-static struct psb_mmu_pt *psb_mmu_pt_map_lock(struct psb_mmu_pd *pd,
-					      unsigned long addr)
-{
-	uint32_t index = psb_mmu_pd_index(addr);
-	struct psb_mmu_pt *pt;
-	spinlock_t *lock = &pd->driver->lock;
-
-	spin_lock(lock);
-	pt = pd->tables[index];
-	if (!pt) {
-		spin_unlock(lock);
-		return NULL;
-	}
-	pt->v = kmap_atomic(pt->p, KM_USER0);
-	return pt;
-}
-
-static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt)
-{
-	struct psb_mmu_pd *pd = pt->pd;
-	uint32_t *v;
-
-	kunmap_atomic(pt->v, KM_USER0);
-	if (pt->count == 0) {
-		v = kmap_atomic(pd->p, KM_USER0);
-		v[pt->index] = pd->invalid_pde;
-		pd->tables[pt->index] = NULL;
-
-		if (pd->hw_context != -1) {
-			psb_mmu_clflush(pd->driver,
-					(void *) &v[pt->index]);
-			atomic_set(&pd->driver->needs_tlbflush, 1);
-		}
-		kunmap_atomic(pt->v, KM_USER0);
-		spin_unlock(&pd->driver->lock);
-		psb_mmu_free_pt(pt);
-		return;
-	}
-	spin_unlock(&pd->driver->lock);
-}
-
-static inline void psb_mmu_set_pte(struct psb_mmu_pt *pt,
-				   unsigned long addr, uint32_t pte)
-{
-	pt->v[psb_mmu_pt_index(addr)] = pte;
-}
-
-static inline void psb_mmu_invalidate_pte(struct psb_mmu_pt *pt,
-					  unsigned long addr)
-{
-	pt->v[psb_mmu_pt_index(addr)] = pt->pd->invalid_pte;
-}
-
-
-void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd,
-			uint32_t mmu_offset, uint32_t gtt_start,
-			uint32_t gtt_pages)
-{
-	uint32_t *v;
-	uint32_t start = psb_mmu_pd_index(mmu_offset);
-	struct psb_mmu_driver *driver = pd->driver;
-	int num_pages = gtt_pages;
-
-	down_read(&driver->sem);
-	spin_lock(&driver->lock);
-
-	v = kmap_atomic(pd->p, KM_USER0);
-	v += start;
-
-	while (gtt_pages--) {
-		*v++ = gtt_start | pd->pd_mask;
-		gtt_start += PAGE_SIZE;
-	}
-
-	/*ttm_tt_cache_flush(&pd->p, num_pages);*/
-	psb_pages_clflush(pd->driver, &pd->p, num_pages);
-	kunmap_atomic(v, KM_USER0);
-	spin_unlock(&driver->lock);
-
-	if (pd->hw_context != -1)
-		atomic_set(&pd->driver->needs_tlbflush, 1);
-
-	up_read(&pd->driver->sem);
-	psb_mmu_flush_pd(pd->driver, 0);
-}
-
-struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver *driver)
-{
-	struct psb_mmu_pd *pd;
-
-	/* down_read(&driver->sem); */
-	pd = driver->default_pd;
-	/* up_read(&driver->sem); */
-
-	return pd;
-}
-
-/* Returns the physical address of the PD shared by sgx/msvdx */
-uint32_t psb_get_default_pd_addr(struct psb_mmu_driver *driver)
-{
-	struct psb_mmu_pd *pd;
-
-	pd = psb_mmu_get_default_pd(driver);
-	return page_to_pfn(pd->p) << PAGE_SHIFT;
-}
-
-void psb_mmu_driver_takedown(struct psb_mmu_driver *driver)
-{
-	psb_mmu_free_pagedir(driver->default_pd);
-	kfree(driver);
-}
-
-struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers,
-					int trap_pagefaults,
-					int invalid_type,
-					struct drm_psb_private *dev_priv)
-{
-	struct psb_mmu_driver *driver;
-
-	driver = kmalloc(sizeof(*driver), GFP_KERNEL);
-
-	if (!driver)
-		return NULL;
-	driver->dev_priv = dev_priv;
-
-	driver->default_pd = psb_mmu_alloc_pd(driver, trap_pagefaults,
-					      invalid_type);
-	if (!driver->default_pd)
-		goto out_err1;
-
-	spin_lock_init(&driver->lock);
-	init_rwsem(&driver->sem);
-	down_write(&driver->sem);
-	driver->register_map = registers;
-	atomic_set(&driver->needs_tlbflush, 1);
-
-	driver->has_clflush = 0;
-
-	if (boot_cpu_has(X86_FEATURE_CLFLSH)) {
-		uint32_t tfms, misc, cap0, cap4, clflush_size;
-
-		/*
-		 * clflush size is determined at kernel setup for x86_64
-		 *  but not for i386. We have to do it here.
-		 */
-
-		cpuid(0x00000001, &tfms, &misc, &cap0, &cap4);
-		clflush_size = ((misc >> 8) & 0xff) * 8;
-		driver->has_clflush = 1;
-		driver->clflush_add =
-		    PAGE_SIZE * clflush_size / sizeof(uint32_t);
-		driver->clflush_mask = driver->clflush_add - 1;
-		driver->clflush_mask = ~driver->clflush_mask;
-	}
-
-	up_write(&driver->sem);
-	return driver;
-
-out_err1:
-	kfree(driver);
-	return NULL;
-}
-
-static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd,
-			       unsigned long address, uint32_t num_pages,
-			       uint32_t desired_tile_stride,
-			       uint32_t hw_tile_stride)
-{
-	struct psb_mmu_pt *pt;
-	uint32_t rows = 1;
-	uint32_t i;
-	unsigned long addr;
-	unsigned long end;
-	unsigned long next;
-	unsigned long add;
-	unsigned long row_add;
-	unsigned long clflush_add = pd->driver->clflush_add;
-	unsigned long clflush_mask = pd->driver->clflush_mask;
-
-	if (!pd->driver->has_clflush) {
-		/*ttm_tt_cache_flush(&pd->p, num_pages);*/
-		psb_pages_clflush(pd->driver, &pd->p, num_pages);
-		return;
-	}
-
-	if (hw_tile_stride)
-		rows = num_pages / desired_tile_stride;
-	else
-		desired_tile_stride = num_pages;
-
-	add = desired_tile_stride << PAGE_SHIFT;
-	row_add = hw_tile_stride << PAGE_SHIFT;
-	mb();
-	for (i = 0; i < rows; ++i) {
-
-		addr = address;
-		end = addr + add;
-
-		do {
-			next = psb_pd_addr_end(addr, end);
-			pt = psb_mmu_pt_map_lock(pd, addr);
-			if (!pt)
-				continue;
-			do {
-				psb_clflush(&pt->v
-					    [psb_mmu_pt_index(addr)]);
-			} while (addr +=
-				 clflush_add,
-				 (addr & clflush_mask) < next);
-
-			psb_mmu_pt_unmap_unlock(pt);
-		} while (addr = next, next != end);
-		address += row_add;
-	}
-	mb();
-}
-
-void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
-				 unsigned long address, uint32_t num_pages)
-{
-	struct psb_mmu_pt *pt;
-	unsigned long addr;
-	unsigned long end;
-	unsigned long next;
-	unsigned long f_address = address;
-
-	down_read(&pd->driver->sem);
-
-	addr = address;
-	end = addr + (num_pages << PAGE_SHIFT);
-
-	do {
-		next = psb_pd_addr_end(addr, end);
-		pt = psb_mmu_pt_alloc_map_lock(pd, addr);
-		if (!pt)
-			goto out;
-		do {
-			psb_mmu_invalidate_pte(pt, addr);
-			--pt->count;
-		} while (addr += PAGE_SIZE, addr < next);
-		psb_mmu_pt_unmap_unlock(pt);
-
-	} while (addr = next, next != end);
-
-out:
-	if (pd->hw_context != -1)
-		psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1);
-
-	up_read(&pd->driver->sem);
-
-	if (pd->hw_context != -1)
-		psb_mmu_flush(pd->driver, 0);
-
-	return;
-}
-
-void psb_mmu_remove_pages(struct psb_mmu_pd *pd, unsigned long address,
-			  uint32_t num_pages, uint32_t desired_tile_stride,
-			  uint32_t hw_tile_stride)
-{
-	struct psb_mmu_pt *pt;
-	uint32_t rows = 1;
-	uint32_t i;
-	unsigned long addr;
-	unsigned long end;
-	unsigned long next;
-	unsigned long add;
-	unsigned long row_add;
-	unsigned long f_address = address;
-
-	if (hw_tile_stride)
-		rows = num_pages / desired_tile_stride;
-	else
-		desired_tile_stride = num_pages;
-
-	add = desired_tile_stride << PAGE_SHIFT;
-	row_add = hw_tile_stride << PAGE_SHIFT;
-
-	/* down_read(&pd->driver->sem); */
-
-	/* Make sure we only need to flush this processor's cache */
-
-	for (i = 0; i < rows; ++i) {
-
-		addr = address;
-		end = addr + add;
-
-		do {
-			next = psb_pd_addr_end(addr, end);
-			pt = psb_mmu_pt_map_lock(pd, addr);
-			if (!pt)
-				continue;
-			do {
-				psb_mmu_invalidate_pte(pt, addr);
-				--pt->count;
-
-			} while (addr += PAGE_SIZE, addr < next);
-			psb_mmu_pt_unmap_unlock(pt);
-
-		} while (addr = next, next != end);
-		address += row_add;
-	}
-	if (pd->hw_context != -1)
-		psb_mmu_flush_ptes(pd, f_address, num_pages,
-				   desired_tile_stride, hw_tile_stride);
-
-	/* up_read(&pd->driver->sem); */
-
-	if (pd->hw_context != -1)
-		psb_mmu_flush(pd->driver, 0);
-}
-
-int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd, uint32_t start_pfn,
-				unsigned long address, uint32_t num_pages,
-				int type)
-{
-	struct psb_mmu_pt *pt;
-	uint32_t pte;
-	unsigned long addr;
-	unsigned long end;
-	unsigned long next;
-	unsigned long f_address = address;
-	int ret = 0;
-
-	down_read(&pd->driver->sem);
-
-	addr = address;
-	end = addr + (num_pages << PAGE_SHIFT);
-
-	do {
-		next = psb_pd_addr_end(addr, end);
-		pt = psb_mmu_pt_alloc_map_lock(pd, addr);
-		if (!pt) {
-			ret = -ENOMEM;
-			goto out;
-		}
-		do {
-			pte = psb_mmu_mask_pte(start_pfn++, type);
-			psb_mmu_set_pte(pt, addr, pte);
-			pt->count++;
-		} while (addr += PAGE_SIZE, addr < next);
-		psb_mmu_pt_unmap_unlock(pt);
-
-	} while (addr = next, next != end);
-
-out:
-	if (pd->hw_context != -1)
-		psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1);
-
-	up_read(&pd->driver->sem);
-
-	if (pd->hw_context != -1)
-		psb_mmu_flush(pd->driver, 1);
-
-	return ret;
-}
-
-int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
-			 unsigned long address, uint32_t num_pages,
-			 uint32_t desired_tile_stride,
-			 uint32_t hw_tile_stride, int type)
-{
-	struct psb_mmu_pt *pt;
-	uint32_t rows = 1;
-	uint32_t i;
-	uint32_t pte;
-	unsigned long addr;
-	unsigned long end;
-	unsigned long next;
-	unsigned long add;
-	unsigned long row_add;
-	unsigned long f_address = address;
-	int ret = 0;
-
-	if (hw_tile_stride) {
-		if (num_pages % desired_tile_stride != 0)
-			return -EINVAL;
-		rows = num_pages / desired_tile_stride;
-	} else {
-		desired_tile_stride = num_pages;
-	}
-
-	add = desired_tile_stride << PAGE_SHIFT;
-	row_add = hw_tile_stride << PAGE_SHIFT;
-
-	down_read(&pd->driver->sem);
-
-	for (i = 0; i < rows; ++i) {
-
-		addr = address;
-		end = addr + add;
-
-		do {
-			next = psb_pd_addr_end(addr, end);
-			pt = psb_mmu_pt_alloc_map_lock(pd, addr);
-			if (!pt) {
-				ret = -ENOMEM;
-				goto out;
-			}
-			do {
-				pte =
-				    psb_mmu_mask_pte(page_to_pfn(*pages++),
-						     type);
-				psb_mmu_set_pte(pt, addr, pte);
-				pt->count++;
-			} while (addr += PAGE_SIZE, addr < next);
-			psb_mmu_pt_unmap_unlock(pt);
-
-		} while (addr = next, next != end);
-
-		address += row_add;
-	}
-out:
-	if (pd->hw_context != -1)
-		psb_mmu_flush_ptes(pd, f_address, num_pages,
-				   desired_tile_stride, hw_tile_stride);
-
-	up_read(&pd->driver->sem);
-
-	if (pd->hw_context != -1)
-		psb_mmu_flush(pd->driver, 1);
-
-	return ret;
-}
-
-int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
-			   unsigned long *pfn)
-{
-	int ret;
-	struct psb_mmu_pt *pt;
-	uint32_t tmp;
-	spinlock_t *lock = &pd->driver->lock;
-
-	down_read(&pd->driver->sem);
-	pt = psb_mmu_pt_map_lock(pd, virtual);
-	if (!pt) {
-		uint32_t *v;
-
-		spin_lock(lock);
-		v = kmap_atomic(pd->p, KM_USER0);
-		tmp = v[psb_mmu_pd_index(virtual)];
-		kunmap_atomic(v, KM_USER0);
-		spin_unlock(lock);
-
-		if (tmp != pd->invalid_pde || !(tmp & PSB_PTE_VALID) ||
-		    !(pd->invalid_pte & PSB_PTE_VALID)) {
-			ret = -EINVAL;
-			goto out;
-		}
-		ret = 0;
-		*pfn = pd->invalid_pte >> PAGE_SHIFT;
-		goto out;
-	}
-	tmp = pt->v[psb_mmu_pt_index(virtual)];
-	if (!(tmp & PSB_PTE_VALID)) {
-		ret = -EINVAL;
-	} else {
-		ret = 0;
-		*pfn = tmp >> PAGE_SHIFT;
-	}
-	psb_mmu_pt_unmap_unlock(pt);
-out:
-	up_read(&pd->driver->sem);
-	return ret;
-}
diff --git a/drivers/staging/gma500/mrst.h b/drivers/staging/gma500/mrst.h
deleted file mode 100644
index b563dbc73104..000000000000
--- a/drivers/staging/gma500/mrst.h
+++ /dev/null
@@ -1,252 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-/* MID device specific descriptors */
-
-struct mrst_vbt {
-	s8 signature[4];	/*4 bytes,"$GCT" */
-	u8 revision;
-	u8 size;
-	u8 checksum;
-	void *mrst_gct;
-} __packed;
-
-struct mrst_timing_info {
-	u16 pixel_clock;
-	u8 hactive_lo;
-	u8 hblank_lo;
-	u8 hblank_hi:4;
-	u8 hactive_hi:4;
-	u8 vactive_lo;
-	u8 vblank_lo;
-	u8 vblank_hi:4;
-	u8 vactive_hi:4;
-	u8 hsync_offset_lo;
-	u8 hsync_pulse_width_lo;
-	u8 vsync_pulse_width_lo:4;
-	u8 vsync_offset_lo:4;
-	u8 vsync_pulse_width_hi:2;
-	u8 vsync_offset_hi:2;
-	u8 hsync_pulse_width_hi:2;
-	u8 hsync_offset_hi:2;
-	u8 width_mm_lo;
-	u8 height_mm_lo;
-	u8 height_mm_hi:4;
-	u8 width_mm_hi:4;
-	u8 hborder;
-	u8 vborder;
-	u8 unknown0:1;
-	u8 hsync_positive:1;
-	u8 vsync_positive:1;
-	u8 separate_sync:2;
-	u8 stereo:1;
-	u8 unknown6:1;
-	u8 interlaced:1;
-} __packed;
-
-struct gct_r10_timing_info {
-	u16 pixel_clock;
-	u32 hactive_lo:8;
-	u32 hactive_hi:4;
-	u32 hblank_lo:8;
-	u32 hblank_hi:4;
-	u32 hsync_offset_lo:8;
-	u16 hsync_offset_hi:2;
-	u16 hsync_pulse_width_lo:8;
-	u16 hsync_pulse_width_hi:2;
-	u16 hsync_positive:1;
-	u16 rsvd_1:3;
-	u8  vactive_lo:8;
-	u16 vactive_hi:4;
-	u16 vblank_lo:8;
-	u16 vblank_hi:4;
-	u16 vsync_offset_lo:4;
-	u16 vsync_offset_hi:2;
-	u16 vsync_pulse_width_lo:4;
-	u16 vsync_pulse_width_hi:2;
-	u16 vsync_positive:1;
-	u16 rsvd_2:3;
-} __packed;
-
-struct mrst_panel_descriptor_v1 {
-	u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
-				/* 0x61190 if MIPI */
-	u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
-	u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
-	u32 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 dword */
-						/* Register 0x61210 */
-	struct mrst_timing_info DTD;/*18 bytes, Standard definition */
-	u16 Panel_Backlight_Inverter_Descriptor;/* 16 bits, as follows */
-				/* Bit 0, Frequency, 15 bits,0 - 32767Hz */
-			/* Bit 15, Polarity, 1 bit, 0: Normal, 1: Inverted */
-	u16 Panel_MIPI_Display_Descriptor;
-			/*16 bits, Defined as follows: */
-			/* if MIPI, 0x0000 if LVDS */
-			/* Bit 0, Type, 2 bits, */
-			/* 0: Type-1, */
-			/* 1: Type-2, */
-			/* 2: Type-3, */
-			/* 3: Type-4 */
-			/* Bit 2, Pixel Format, 4 bits */
-			/* Bit0: 16bpp (not supported in LNC), */
-			/* Bit1: 18bpp loosely packed, */
-			/* Bit2: 18bpp packed, */
-			/* Bit3: 24bpp */
-			/* Bit 6, Reserved, 2 bits, 00b */
-			/* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
-			/* Bit 14, Reserved, 2 bits, 00b */
-} __packed;
-
-struct mrst_panel_descriptor_v2 {
-	u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
-				/* 0x61190 if MIPI */
-	u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
-	u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
-	u8 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 byte */
-						/* Register 0x61210 */
-	struct mrst_timing_info DTD;/*18 bytes, Standard definition */
-	u16 Panel_Backlight_Inverter_Descriptor;/*16 bits, as follows*/
-				/*Bit 0, Frequency, 16 bits, 0 - 32767Hz*/
-	u8 Panel_Initial_Brightness;/* [7:0] 0 - 100% */
-			/*Bit 7, Polarity, 1 bit,0: Normal, 1: Inverted*/
-	u16 Panel_MIPI_Display_Descriptor;
-			/*16 bits, Defined as follows: */
-			/* if MIPI, 0x0000 if LVDS */
-			/* Bit 0, Type, 2 bits, */
-			/* 0: Type-1, */
-			/* 1: Type-2, */
-			/* 2: Type-3, */
-			/* 3: Type-4 */
-			/* Bit 2, Pixel Format, 4 bits */
-			/* Bit0: 16bpp (not supported in LNC), */
-			/* Bit1: 18bpp loosely packed, */
-			/* Bit2: 18bpp packed, */
-			/* Bit3: 24bpp */
-			/* Bit 6, Reserved, 2 bits, 00b */
-			/* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
-			/* Bit 14, Reserved, 2 bits, 00b */
-} __packed;
-
-union mrst_panel_rx {
-	struct {
-		u16 NumberOfLanes:2; /*Num of Lanes, 2 bits,0 = 1 lane,*/
-			/* 1 = 2 lanes, 2 = 3 lanes, 3 = 4 lanes. */
-		u16 MaxLaneFreq:3; /* 0: 100MHz, 1: 200MHz, 2: 300MHz, */
-		/*3: 400MHz, 4: 500MHz, 5: 600MHz, 6: 700MHz, 7: 800MHz.*/
-		u16 SupportedVideoTransferMode:2; /*0: Non-burst only */
-					/* 1: Burst and non-burst */
-					/* 2/3: Reserved */
-		u16 HSClkBehavior:1; /*0: Continuous, 1: Non-continuous*/
-		u16 DuoDisplaySupport:1; /*1 bit,0: No, 1: Yes*/
-		u16 ECC_ChecksumCapabilities:1;/*1 bit,0: No, 1: Yes*/
-		u16 BidirectionalCommunication:1;/*1 bit,0: No, 1: Yes */
-		u16 Rsvd:5;/*5 bits,00000b */
-	} panelrx;
-	u16 panel_receiver;
-} __packed;
-
-struct mrst_gct_v1 {
-	union { /*8 bits,Defined as follows: */
-		struct {
-			u8 PanelType:4; /*4 bits, Bit field for panels*/
-					/* 0 - 3: 0 = LVDS, 1 = MIPI*/
-					/*2 bits,Specifies which of the*/
-			u8 BootPanelIndex:2;
-					/* 4 panels to use by default*/
-			u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
-					/* the 4 MIPI DSI receivers to use*/
-		} PD;
-		u8 PanelDescriptor;
-	};
-	struct mrst_panel_descriptor_v1 panel[4];/*panel descrs,38 bytes each*/
-	union mrst_panel_rx panelrx[4]; /* panel receivers*/
-} __packed;
-
-struct mrst_gct_v2 {
-	union { /*8 bits,Defined as follows: */
-		struct {
-			u8 PanelType:4; /*4 bits, Bit field for panels*/
-					/* 0 - 3: 0 = LVDS, 1 = MIPI*/
-					/*2 bits,Specifies which of the*/
-			u8 BootPanelIndex:2;
-					/* 4 panels to use by default*/
-			u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
-					/* the 4 MIPI DSI receivers to use*/
-		} PD;
-		u8 PanelDescriptor;
-	};
-	struct mrst_panel_descriptor_v2 panel[4];/*panel descrs,38 bytes each*/
-	union mrst_panel_rx panelrx[4]; /* panel receivers*/
-} __packed;
-
-struct mrst_gct_data {
-	u8 bpi; /* boot panel index, number of panel used during boot */
-	u8 pt; /* panel type, 4 bit field, 0=lvds, 1=mipi */
-	struct mrst_timing_info DTD; /* timing info for the selected panel */
-	u32 Panel_Port_Control;
-	u32 PP_On_Sequencing;/*1 dword,Register 0x61208,*/
-	u32 PP_Off_Sequencing;/*1 dword,Register 0x6120C,*/
-	u32 PP_Cycle_Delay;
-	u16 Panel_Backlight_Inverter_Descriptor;
-	u16 Panel_MIPI_Display_Descriptor;
-} __packed;
-
-#define MODE_SETTING_IN_CRTC		0x1
-#define MODE_SETTING_IN_ENCODER		0x2
-#define MODE_SETTING_ON_GOING		0x3
-#define MODE_SETTING_IN_DSR		0x4
-#define MODE_SETTING_ENCODER_DONE	0x8
-
-#define GCT_R10_HEADER_SIZE		16
-#define GCT_R10_DISPLAY_DESC_SIZE	28
-
-/*
- *	Moorestown HDMI interfaces
- */
-
-struct mrst_hdmi_dev {
-	struct pci_dev *dev;
-	void __iomem *regs;
-	unsigned int mmio, mmio_len;
-	int dpms_mode;
-	struct hdmi_i2c_dev *i2c_dev;
-
-	/* register state */
-	u32 saveDPLL_CTRL;
-	u32 saveDPLL_DIV_CTRL;
-	u32 saveDPLL_ADJUST;
-	u32 saveDPLL_UPDATE;
-	u32 saveDPLL_CLK_ENABLE;
-	u32 savePCH_HTOTAL_B;
-	u32 savePCH_HBLANK_B;
-	u32 savePCH_HSYNC_B;
-	u32 savePCH_VTOTAL_B;
-	u32 savePCH_VBLANK_B;
-	u32 savePCH_VSYNC_B;
-	u32 savePCH_PIPEBCONF;
-	u32 savePCH_PIPEBSRC;
-};
-
-extern void mrst_hdmi_setup(struct drm_device *dev);
-extern void mrst_hdmi_teardown(struct drm_device *dev);
-extern int  mrst_hdmi_i2c_init(struct pci_dev *dev);
-extern void mrst_hdmi_i2c_exit(struct pci_dev *dev);
-extern void mrst_hdmi_save(struct drm_device *dev);
-extern void mrst_hdmi_restore(struct drm_device *dev);
-extern void mrst_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev);
diff --git a/drivers/staging/gma500/mrst_crtc.c b/drivers/staging/gma500/mrst_crtc.c
deleted file mode 100644
index 980837e37d80..000000000000
--- a/drivers/staging/gma500/mrst_crtc.c
+++ /dev/null
@@ -1,604 +0,0 @@
-/*
- * Copyright © 2009 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/drmP.h>
-#include "framebuffer.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_display.h"
-#include "power.h"
-
-struct psb_intel_range_t {
-	int min, max;
-};
-
-struct mrst_limit_t {
-	struct psb_intel_range_t dot, m, p1;
-};
-
-struct mrst_clock_t {
-	/* derived values */
-	int dot;
-	int m;
-	int p1;
-};
-
-#define MRST_LIMIT_LVDS_100L	    0
-#define MRST_LIMIT_LVDS_83	    1
-#define MRST_LIMIT_LVDS_100	    2
-
-#define MRST_DOT_MIN		  19750
-#define MRST_DOT_MAX		  120000
-#define MRST_M_MIN_100L		    20
-#define MRST_M_MIN_100		    10
-#define MRST_M_MIN_83		    12
-#define MRST_M_MAX_100L		    34
-#define MRST_M_MAX_100		    17
-#define MRST_M_MAX_83		    20
-#define MRST_P1_MIN		    2
-#define MRST_P1_MAX_0		    7
-#define MRST_P1_MAX_1		    8
-
-static const struct mrst_limit_t mrst_limits[] = {
-	{			/* MRST_LIMIT_LVDS_100L */
-	 .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
-	 .m = {.min = MRST_M_MIN_100L, .max = MRST_M_MAX_100L},
-	 .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1},
-	 },
-	{			/* MRST_LIMIT_LVDS_83L */
-	 .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
-	 .m = {.min = MRST_M_MIN_83, .max = MRST_M_MAX_83},
-	 .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_0},
-	 },
-	{			/* MRST_LIMIT_LVDS_100 */
-	 .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
-	 .m = {.min = MRST_M_MIN_100, .max = MRST_M_MAX_100},
-	 .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1},
-	 },
-};
-
-#define MRST_M_MIN	    10
-static const u32 mrst_m_converts[] = {
-	0x2B, 0x15, 0x2A, 0x35, 0x1A, 0x0D, 0x26, 0x33, 0x19, 0x2C,
-	0x36, 0x3B, 0x1D, 0x2E, 0x37, 0x1B, 0x2D, 0x16, 0x0B, 0x25,
-	0x12, 0x09, 0x24, 0x32, 0x39, 0x1c,
-};
-
-static const struct mrst_limit_t *mrst_limit(struct drm_crtc *crtc)
-{
-	const struct mrst_limit_t *limit = NULL;
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)
-	    || psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)) {
-		switch (dev_priv->core_freq) {
-		case 100:
-			limit = &mrst_limits[MRST_LIMIT_LVDS_100L];
-			break;
-		case 166:
-			limit = &mrst_limits[MRST_LIMIT_LVDS_83];
-			break;
-		case 200:
-			limit = &mrst_limits[MRST_LIMIT_LVDS_100];
-			break;
-		}
-	} else {
-		limit = NULL;
-		dev_err(dev->dev, "mrst_limit Wrong display type.\n");
-	}
-
-	return limit;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-static void mrst_clock(int refclk, struct mrst_clock_t *clock)
-{
-	clock->dot = (refclk * clock->m) / (14 * clock->p1);
-}
-
-void mrstPrintPll(char *prefix, struct mrst_clock_t *clock)
-{
-	pr_debug("%s: dotclock = %d,  m = %d, p1 = %d.\n",
-	     prefix, clock->dot, clock->m, clock->p1);
-}
-
-/**
- * Returns a set of divisors for the desired target clock with the given refclk,
- * or FALSE.  Divisor values are the actual divisors for
- */
-static bool
-mrstFindBestPLL(struct drm_crtc *crtc, int target, int refclk,
-		struct mrst_clock_t *best_clock)
-{
-	struct mrst_clock_t clock;
-	const struct mrst_limit_t *limit = mrst_limit(crtc);
-	int err = target;
-
-	memset(best_clock, 0, sizeof(*best_clock));
-
-	for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
-		for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max;
-		     clock.p1++) {
-			int this_err;
-
-			mrst_clock(refclk, &clock);
-
-			this_err = abs(clock.dot - target);
-			if (this_err < err) {
-				*best_clock = clock;
-				err = this_err;
-			}
-		}
-	}
-	dev_dbg(crtc->dev->dev, "mrstFindBestPLL err = %d.\n", err);
-	return err != target;
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void mrst_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	int dpll_reg = (pipe == 0) ? MRST_DPLL_A : DPLL_B;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int dspbase_reg = (pipe == 0) ? MRST_DSPABASE : DSPBBASE;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	u32 temp;
-	bool enabled;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	/* XXX: When our outputs are all unaware of DPMS modes other than off
-	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-	 */
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-		/* Enable the DPLL */
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) == 0) {
-			REG_WRITE(dpll_reg, temp);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-		}
-		/* Enable the pipe */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) == 0)
-			REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
-		/* Enable the plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp | DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-		}
-
-		psb_intel_crtc_load_lut(crtc);
-
-		/* Give the overlay scaler a chance to enable
-		   if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, true); TODO */
-		break;
-	case DRM_MODE_DPMS_OFF:
-		/* Give the overlay scaler a chance to disable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-
-		/* Disable the VGA plane that we never use */
-		REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-		/* Disable display plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp & ~DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-			REG_READ(dspbase_reg);
-		}
-
-		/* Next, disable display pipes */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
-			REG_READ(pipeconf_reg);
-		}
-		/* Wait for for the pipe disable to take effect. */
-		psb_intel_wait_for_vblank(dev);
-
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) != 0) {
-			REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-		}
-
-		/* Wait for the clocks to turn off. */
-		udelay(150);
-		break;
-	}
-
-	enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-
-	/*Set FIFO Watermarks*/
-	REG_WRITE(DSPARB, 0x3FFF);
-	REG_WRITE(DSPFW1, 0x3F88080A);
-	REG_WRITE(DSPFW2, 0x0b060808);
-	REG_WRITE(DSPFW3, 0x0);
-	REG_WRITE(DSPFW4, 0x08030404);
-	REG_WRITE(DSPFW5, 0x04040404);
-	REG_WRITE(DSPFW6, 0x78);
-	REG_WRITE(0x70400, REG_READ(0x70400) | 0x4000);
-	/* Must write Bit 14 of the Chicken Bit Register */
-
-	gma_power_end(dev);
-}
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int mrst_panel_fitter_pipe(struct drm_device *dev)
-{
-	u32 pfit_control;
-
-	pfit_control = REG_READ(PFIT_CONTROL);
-
-	/* See if the panel fitter is in use */
-	if ((pfit_control & PFIT_ENABLE) == 0)
-		return -1;
-	return (pfit_control >> 29) & 3;
-}
-
-static int mrst_crtc_mode_set(struct drm_crtc *crtc,
-			      struct drm_display_mode *mode,
-			      struct drm_display_mode *adjusted_mode,
-			      int x, int y,
-			      struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int pipe = psb_intel_crtc->pipe;
-	int fp_reg = (pipe == 0) ? MRST_FPA0 : FPB0;
-	int dpll_reg = (pipe == 0) ? MRST_DPLL_A : DPLL_B;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-	int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-	int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-	int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-	int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-	int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-	int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-	int refclk = 0;
-	struct mrst_clock_t clock;
-	u32 dpll = 0, fp = 0, dspcntr, pipeconf;
-	bool ok, is_sdvo = false;
-	bool is_crt = false, is_lvds = false, is_tv = false;
-	bool is_mipi = false;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct psb_intel_output *psb_intel_output = NULL;
-	uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN;
-	struct drm_encoder *encoder;
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	memcpy(&psb_intel_crtc->saved_mode,
-		mode,
-		sizeof(struct drm_display_mode));
-	memcpy(&psb_intel_crtc->saved_adjusted_mode,
-		adjusted_mode,
-		sizeof(struct drm_display_mode));
-
-	list_for_each_entry(encoder, &mode_config->encoder_list, head) {
-
-		if (encoder->crtc != crtc)
-			continue;
-
-		psb_intel_output = enc_to_psb_intel_output(encoder);
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_LVDS:
-			is_lvds = true;
-			break;
-		case INTEL_OUTPUT_SDVO:
-			is_sdvo = true;
-			break;
-		case INTEL_OUTPUT_TVOUT:
-			is_tv = true;
-			break;
-		case INTEL_OUTPUT_ANALOG:
-			is_crt = true;
-			break;
-		case INTEL_OUTPUT_MIPI:
-			is_mipi = true;
-			break;
-		}
-	}
-
-	/* Disable the VGA plane that we never use */
-	REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-	/* Disable the panel fitter if it was on our pipe */
-	if (mrst_panel_fitter_pipe(dev) == pipe)
-		REG_WRITE(PFIT_CONTROL, 0);
-
-	REG_WRITE(pipesrc_reg,
-		  ((mode->crtc_hdisplay - 1) << 16) |
-		  (mode->crtc_vdisplay - 1));
-
-	if (psb_intel_output)
-		drm_connector_property_get_value(&psb_intel_output->base,
-			dev->mode_config.scaling_mode_property, &scalingType);
-
-	if (scalingType == DRM_MODE_SCALE_NO_SCALE) {
-		/* Moorestown doesn't have register support for centering so
-		 * we need to mess with the h/vblank and h/vsync start and
-		 * ends to get centering */
-		int offsetX = 0, offsetY = 0;
-
-		offsetX = (adjusted_mode->crtc_hdisplay -
-			   mode->crtc_hdisplay) / 2;
-		offsetY = (adjusted_mode->crtc_vdisplay -
-			   mode->crtc_vdisplay) / 2;
-
-		REG_WRITE(htot_reg, (mode->crtc_hdisplay - 1) |
-			((adjusted_mode->crtc_htotal - 1) << 16));
-		REG_WRITE(vtot_reg, (mode->crtc_vdisplay - 1) |
-			((adjusted_mode->crtc_vtotal - 1) << 16));
-		REG_WRITE(hblank_reg,
-			(adjusted_mode->crtc_hblank_start - offsetX - 1) |
-			((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16));
-		REG_WRITE(hsync_reg,
-			(adjusted_mode->crtc_hsync_start - offsetX - 1) |
-			((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16));
-		REG_WRITE(vblank_reg,
-			(adjusted_mode->crtc_vblank_start - offsetY - 1) |
-			((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16));
-		REG_WRITE(vsync_reg,
-			(adjusted_mode->crtc_vsync_start - offsetY - 1) |
-			((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16));
-	} else {
-		REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-			((adjusted_mode->crtc_htotal - 1) << 16));
-		REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-			((adjusted_mode->crtc_vtotal - 1) << 16));
-		REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-			((adjusted_mode->crtc_hblank_end - 1) << 16));
-		REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-			((adjusted_mode->crtc_hsync_end - 1) << 16));
-		REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-			((adjusted_mode->crtc_vblank_end - 1) << 16));
-		REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-			((adjusted_mode->crtc_vsync_end - 1) << 16));
-	}
-
-	/* Flush the plane changes */
-	{
-		struct drm_crtc_helper_funcs *crtc_funcs =
-		    crtc->helper_private;
-		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-	}
-
-	/* setup pipeconf */
-	pipeconf = REG_READ(pipeconf_reg);
-
-	/* Set up the display plane register */
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr |= DISPPLANE_GAMMA_ENABLE;
-
-	if (pipe == 0)
-		dspcntr |= DISPPLANE_SEL_PIPE_A;
-	else
-		dspcntr |= DISPPLANE_SEL_PIPE_B;
-
-	dev_priv->dspcntr = dspcntr |= DISPLAY_PLANE_ENABLE;
-	dev_priv->pipeconf = pipeconf |= PIPEACONF_ENABLE;
-
-	if (is_mipi)
-		goto mrst_crtc_mode_set_exit;
-
-	refclk = dev_priv->core_freq * 1000;
-
-	dpll = 0;		/*BIT16 = 0 for 100MHz reference */
-
-	ok = mrstFindBestPLL(crtc, adjusted_mode->clock, refclk, &clock);
-
-	if (!ok) {
-		dev_dbg(dev->dev, "mrstFindBestPLL fail in mrst_crtc_mode_set.\n");
-	} else {
-		dev_dbg(dev->dev, "mrst_crtc_mode_set pixel clock = %d,"
-			 "m = %x, p1 = %x.\n", clock.dot, clock.m,
-			 clock.p1);
-	}
-
-	fp = mrst_m_converts[(clock.m - MRST_M_MIN)] << 8;
-
-	dpll |= DPLL_VGA_MODE_DIS;
-
-
-	dpll |= DPLL_VCO_ENABLE;
-
-	if (is_lvds)
-		dpll |= DPLLA_MODE_LVDS;
-	else
-		dpll |= DPLLB_MODE_DAC_SERIAL;
-
-	if (is_sdvo) {
-		int sdvo_pixel_multiply =
-		    adjusted_mode->clock / mode->clock;
-
-		dpll |= DPLL_DVO_HIGH_SPEED;
-		dpll |=
-		    (sdvo_pixel_multiply -
-		     1) << SDVO_MULTIPLIER_SHIFT_HIRES;
-	}
-
-
-	/* compute bitmask from p1 value */
-	dpll |= (1 << (clock.p1 - 2)) << 17;
-
-	dpll |= DPLL_VCO_ENABLE;
-
-	mrstPrintPll("chosen", &clock);
-
-	if (dpll & DPLL_VCO_ENABLE) {
-		REG_WRITE(fp_reg, fp);
-		REG_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
-		REG_READ(dpll_reg);
-		/* Check the DPLLA lock bit PIPEACONF[29] */
-		udelay(150);
-	}
-
-	REG_WRITE(fp_reg, fp);
-	REG_WRITE(dpll_reg, dpll);
-	REG_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150);
-
-	/* write it again -- the BIOS does, after all */
-	REG_WRITE(dpll_reg, dpll);
-	REG_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150);
-
-	REG_WRITE(pipeconf_reg, pipeconf);
-	REG_READ(pipeconf_reg);
-	psb_intel_wait_for_vblank(dev);
-
-	REG_WRITE(dspcntr_reg, dspcntr);
-	psb_intel_wait_for_vblank(dev);
-
-mrst_crtc_mode_set_exit:
-	gma_power_end(dev);
-	return 0;
-}
-
-static bool mrst_crtc_mode_fixup(struct drm_crtc *crtc,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-int mrst_pipe_set_base(struct drm_crtc *crtc,
-			    int x, int y, struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-	int pipe = psb_intel_crtc->pipe;
-	unsigned long start, offset;
-
-	int dspbase = (pipe == 0 ? DSPALINOFF : DSPBBASE);
-	int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
-	int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	u32 dspcntr;
-	int ret = 0;
-
-	/* no fb bound */
-	if (!crtc->fb) {
-		dev_dbg(dev->dev, "No FB bound\n");
-		return 0;
-	}
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	start = psbfb->gtt->offset;
-	offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-	REG_WRITE(dspstride, crtc->fb->pitches[0]);
-
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-	switch (crtc->fb->bits_per_pixel) {
-	case 8:
-		dspcntr |= DISPPLANE_8BPP;
-		break;
-	case 16:
-		if (crtc->fb->depth == 15)
-			dspcntr |= DISPPLANE_15_16BPP;
-		else
-			dspcntr |= DISPPLANE_16BPP;
-		break;
-	case 24:
-	case 32:
-		dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-		break;
-	default:
-		dev_err(dev->dev, "Unknown color depth\n");
-		ret = -EINVAL;
-		goto pipe_set_base_exit;
-	}
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-	REG_WRITE(dspbase, offset);
-	REG_READ(dspbase);
-	REG_WRITE(dspsurf, start);
-	REG_READ(dspsurf);
-
-pipe_set_base_exit:
-	gma_power_end(dev);
-	return ret;
-}
-
-static void mrst_crtc_prepare(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void mrst_crtc_commit(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-const struct drm_crtc_helper_funcs mrst_helper_funcs = {
-	.dpms = mrst_crtc_dpms,
-	.mode_fixup = mrst_crtc_mode_fixup,
-	.mode_set = mrst_crtc_mode_set,
-	.mode_set_base = mrst_pipe_set_base,
-	.prepare = mrst_crtc_prepare,
-	.commit = mrst_crtc_commit,
-};
-
diff --git a/drivers/staging/gma500/mrst_device.c b/drivers/staging/gma500/mrst_device.c
deleted file mode 100644
index 6707fafbfa1e..000000000000
--- a/drivers/staging/gma500/mrst_device.c
+++ /dev/null
@@ -1,634 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <linux/module.h>
-#include <linux/dmi.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include <asm/mrst.h>
-#include <asm/intel_scu_ipc.h>
-#include "mid_bios.h"
-
-static int devtype;
-
-module_param_named(type, devtype, int, 0600);
-MODULE_PARM_DESC(type, "Moorestown/Oaktrail device type");
-
-#define DEVICE_MOORESTOWN		1
-#define DEVICE_OAKTRAIL			2
-#define DEVICE_MOORESTOWN_MM		3
-
-static int mrst_device_ident(struct drm_device *dev)
-{
-	/* User forced */
-	if (devtype)
-		return devtype;
-	if (dmi_match(DMI_PRODUCT_NAME, "OakTrail") ||
-		dmi_match(DMI_PRODUCT_NAME, "OakTrail platform"))
-		return DEVICE_OAKTRAIL;
-#if defined(CONFIG_X86_MRST)
-	if (dmi_match(DMI_PRODUCT_NAME, "MM") ||
-		dmi_match(DMI_PRODUCT_NAME, "MM 10"))
-		return DEVICE_MOORESTOWN_MM;
-	if (mrst_identify_cpu())
-		return DEVICE_MOORESTOWN;
-#endif
-	return DEVICE_OAKTRAIL;
-}
-
-
-/* IPC message and command defines used to enable/disable mipi panel voltages */
-#define IPC_MSG_PANEL_ON_OFF    0xE9
-#define IPC_CMD_PANEL_ON        1
-#define IPC_CMD_PANEL_OFF       0
-
-static int mrst_output_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	if (dev_priv->iLVDS_enable)
-		mrst_lvds_init(dev, &dev_priv->mode_dev);
-	else
-		dev_err(dev->dev, "DSI is not supported\n");
-	if (dev_priv->hdmi_priv)
-		mrst_hdmi_init(dev, &dev_priv->mode_dev);
-	return 0;
-}
-
-/*
- *	Provide the low level interfaces for the Moorestown backlight
- */
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-#define MRST_BLC_MAX_PWM_REG_FREQ	    0xFFFF
-#define BLC_PWM_PRECISION_FACTOR 100	/* 10000000 */
-#define BLC_PWM_FREQ_CALC_CONSTANT 32
-#define MHz 1000000
-#define BLC_ADJUSTMENT_MAX 100
-
-static struct backlight_device *mrst_backlight_device;
-static int mrst_brightness;
-
-static int mrst_set_brightness(struct backlight_device *bd)
-{
-	struct drm_device *dev = bl_get_data(mrst_backlight_device);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int level = bd->props.brightness;
-	u32 blc_pwm_ctl;
-	u32 max_pwm_blc;
-
-	/* Percentage 1-100% being valid */
-	if (level < 1)
-		level = 1;
-
-	if (gma_power_begin(dev, 0)) {
-		/* Calculate and set the brightness value */
-		max_pwm_blc = REG_READ(BLC_PWM_CTL) >> 16;
-		blc_pwm_ctl = level * max_pwm_blc / 100;
-
-		/* Adjust the backlight level with the percent in
-		 * dev_priv->blc_adj1;
-		 */
-		blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj1;
-		blc_pwm_ctl = blc_pwm_ctl / 100;
-
-		/* Adjust the backlight level with the percent in
-		 * dev_priv->blc_adj2;
-		 */
-		blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj2;
-		blc_pwm_ctl = blc_pwm_ctl / 100;
-
-		/* force PWM bit on */
-		REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
-		REG_WRITE(BLC_PWM_CTL, (max_pwm_blc << 16) | blc_pwm_ctl);
-		gma_power_end(dev);
-	}
-	mrst_brightness = level;
-	return 0;
-}
-
-static int mrst_get_brightness(struct backlight_device *bd)
-{
-	/* return locally cached var instead of HW read (due to DPST etc.) */
-	/* FIXME: ideally return actual value in case firmware fiddled with
-	   it */
-	return mrst_brightness;
-}
-
-static int device_backlight_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long core_clock;
-	u16 bl_max_freq;
-	uint32_t value;
-	uint32_t blc_pwm_precision_factor;
-
-	dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX;
-	dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX;
-	bl_max_freq = 256;
-	/* this needs to be set elsewhere */
-	blc_pwm_precision_factor = BLC_PWM_PRECISION_FACTOR;
-
-	core_clock = dev_priv->core_freq;
-
-	value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
-	value *= blc_pwm_precision_factor;
-	value /= bl_max_freq;
-	value /= blc_pwm_precision_factor;
-
-	if (value > (unsigned long long)MRST_BLC_MAX_PWM_REG_FREQ)
-			return -ERANGE;
-
-	if (gma_power_begin(dev, false)) {
-		REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
-		REG_WRITE(BLC_PWM_CTL, value | (value << 16));
-		gma_power_end(dev);
-	}
-	return 0;
-}
-
-static const struct backlight_ops mrst_ops = {
-	.get_brightness = mrst_get_brightness,
-	.update_status  = mrst_set_brightness,
-};
-
-int mrst_backlight_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int ret;
-	struct backlight_properties props;
-
-	memset(&props, 0, sizeof(struct backlight_properties));
-	props.max_brightness = 100;
-	props.type = BACKLIGHT_PLATFORM;
-
-	mrst_backlight_device = backlight_device_register("mrst-bl",
-					NULL, (void *)dev, &mrst_ops, &props);
-
-	if (IS_ERR(mrst_backlight_device))
-		return PTR_ERR(mrst_backlight_device);
-
-	ret = device_backlight_init(dev);
-	if (ret < 0) {
-		backlight_device_unregister(mrst_backlight_device);
-		return ret;
-	}
-	mrst_backlight_device->props.brightness = 100;
-	mrst_backlight_device->props.max_brightness = 100;
-	backlight_update_status(mrst_backlight_device);
-	dev_priv->backlight_device = mrst_backlight_device;
-	return 0;
-}
-
-#endif
-
-/*
- *	Provide the Moorestown specific chip logic and low level methods
- *	for power management
- */
-
-static void mrst_init_pm(struct drm_device *dev)
-{
-}
-
-/**
- *	mrst_save_display_registers	-	save registers lost on suspend
- *	@dev: our DRM device
- *
- *	Save the state we need in order to be able to restore the interface
- *	upon resume from suspend
- */
-static int mrst_save_display_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int i;
-	u32 pp_stat;
-
-	/* Display arbitration control + watermarks */
-	dev_priv->saveDSPARB = PSB_RVDC32(DSPARB);
-	dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1);
-	dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2);
-	dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3);
-	dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4);
-	dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5);
-	dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6);
-	dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
-
-	/* Pipe & plane A info */
-	dev_priv->savePIPEACONF = PSB_RVDC32(PIPEACONF);
-	dev_priv->savePIPEASRC = PSB_RVDC32(PIPEASRC);
-	dev_priv->saveFPA0 = PSB_RVDC32(MRST_FPA0);
-	dev_priv->saveFPA1 = PSB_RVDC32(MRST_FPA1);
-	dev_priv->saveDPLL_A = PSB_RVDC32(MRST_DPLL_A);
-	dev_priv->saveHTOTAL_A = PSB_RVDC32(HTOTAL_A);
-	dev_priv->saveHBLANK_A = PSB_RVDC32(HBLANK_A);
-	dev_priv->saveHSYNC_A = PSB_RVDC32(HSYNC_A);
-	dev_priv->saveVTOTAL_A = PSB_RVDC32(VTOTAL_A);
-	dev_priv->saveVBLANK_A = PSB_RVDC32(VBLANK_A);
-	dev_priv->saveVSYNC_A = PSB_RVDC32(VSYNC_A);
-	dev_priv->saveBCLRPAT_A = PSB_RVDC32(BCLRPAT_A);
-	dev_priv->saveDSPACNTR = PSB_RVDC32(DSPACNTR);
-	dev_priv->saveDSPASTRIDE = PSB_RVDC32(DSPASTRIDE);
-	dev_priv->saveDSPAADDR = PSB_RVDC32(DSPABASE);
-	dev_priv->saveDSPASURF = PSB_RVDC32(DSPASURF);
-	dev_priv->saveDSPALINOFF = PSB_RVDC32(DSPALINOFF);
-	dev_priv->saveDSPATILEOFF = PSB_RVDC32(DSPATILEOFF);
-
-	/* Save cursor regs */
-	dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
-	dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
-	dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
-
-	/* Save palette (gamma) */
-	for (i = 0; i < 256; i++)
-		dev_priv->save_palette_a[i] = PSB_RVDC32(PALETTE_A + (i << 2));
-
-	if (dev_priv->hdmi_priv)
-		mrst_hdmi_save(dev);
-
-	/* Save performance state */
-	dev_priv->savePERF_MODE = PSB_RVDC32(MRST_PERF_MODE);
-
-	/* LVDS state */
-	dev_priv->savePP_CONTROL = PSB_RVDC32(PP_CONTROL);
-	dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
-	dev_priv->savePFIT_AUTO_RATIOS = PSB_RVDC32(PFIT_AUTO_RATIOS);
-	dev_priv->saveBLC_PWM_CTL = PSB_RVDC32(BLC_PWM_CTL);
-	dev_priv->saveBLC_PWM_CTL2 = PSB_RVDC32(BLC_PWM_CTL2);
-	dev_priv->saveLVDS = PSB_RVDC32(LVDS);
-	dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
-	dev_priv->savePP_ON_DELAYS = PSB_RVDC32(LVDSPP_ON);
-	dev_priv->savePP_OFF_DELAYS = PSB_RVDC32(LVDSPP_OFF);
-	dev_priv->savePP_DIVISOR = PSB_RVDC32(PP_CYCLE);
-
-	/* HW overlay */
-	dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD);
-	dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
-	dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
-	dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
-	dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
-	dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
-	dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
-
-	/* DPST registers */
-	dev_priv->saveHISTOGRAM_INT_CONTROL_REG =
-					PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-	dev_priv->saveHISTOGRAM_LOGIC_CONTROL_REG =
-					PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
-	dev_priv->savePWM_CONTROL_LOGIC = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-	if (dev_priv->iLVDS_enable) {
-		/* Shut down the panel */
-		PSB_WVDC32(0, PP_CONTROL);
-
-		do {
-			pp_stat = PSB_RVDC32(PP_STATUS);
-		} while (pp_stat & 0x80000000);
-
-		/* Turn off the plane */
-		PSB_WVDC32(0x58000000, DSPACNTR);
-		/* Trigger the plane disable */
-		PSB_WVDC32(0, DSPASURF);
-
-		/* Wait ~4 ticks */
-		msleep(4);
-
-		/* Turn off pipe */
-		PSB_WVDC32(0x0, PIPEACONF);
-		/* Wait ~8 ticks */
-		msleep(8);
-
-		/* Turn off PLLs */
-		PSB_WVDC32(0, MRST_DPLL_A);
-	}
-	return 0;
-}
-
-/**
- *	mrst_restore_display_registers	-	restore lost register state
- *	@dev: our DRM device
- *
- *	Restore register state that was lost during suspend and resume.
- */
-static int mrst_restore_display_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pp_stat;
-	int i;
-
-	/* Display arbitration + watermarks */
-	PSB_WVDC32(dev_priv->saveDSPARB, DSPARB);
-	PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1);
-	PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2);
-	PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3);
-	PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4);
-	PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5);
-	PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6);
-	PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT);
-
-	/* Make sure VGA plane is off. it initializes to on after reset!*/
-	PSB_WVDC32(0x80000000, VGACNTRL);
-
-	/* set the plls */
-	PSB_WVDC32(dev_priv->saveFPA0, MRST_FPA0);
-	PSB_WVDC32(dev_priv->saveFPA1, MRST_FPA1);
-
-	/* Actually enable it */
-	PSB_WVDC32(dev_priv->saveDPLL_A, MRST_DPLL_A);
-	DRM_UDELAY(150);
-
-	/* Restore mode */
-	PSB_WVDC32(dev_priv->saveHTOTAL_A, HTOTAL_A);
-	PSB_WVDC32(dev_priv->saveHBLANK_A, HBLANK_A);
-	PSB_WVDC32(dev_priv->saveHSYNC_A, HSYNC_A);
-	PSB_WVDC32(dev_priv->saveVTOTAL_A, VTOTAL_A);
-	PSB_WVDC32(dev_priv->saveVBLANK_A, VBLANK_A);
-	PSB_WVDC32(dev_priv->saveVSYNC_A, VSYNC_A);
-	PSB_WVDC32(dev_priv->savePIPEASRC, PIPEASRC);
-	PSB_WVDC32(dev_priv->saveBCLRPAT_A, BCLRPAT_A);
-
-	/* Restore performance mode*/
-	PSB_WVDC32(dev_priv->savePERF_MODE, MRST_PERF_MODE);
-
-	/* Enable the pipe*/
-	if (dev_priv->iLVDS_enable)
-		PSB_WVDC32(dev_priv->savePIPEACONF, PIPEACONF);
-
-	/* Set up the plane*/
-	PSB_WVDC32(dev_priv->saveDSPALINOFF, DSPALINOFF);
-	PSB_WVDC32(dev_priv->saveDSPASTRIDE, DSPASTRIDE);
-	PSB_WVDC32(dev_priv->saveDSPATILEOFF, DSPATILEOFF);
-
-	/* Enable the plane */
-	PSB_WVDC32(dev_priv->saveDSPACNTR, DSPACNTR);
-	PSB_WVDC32(dev_priv->saveDSPASURF, DSPASURF);
-
-	/* Enable Cursor A */
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR);
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS);
-	PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE);
-
-	/* Restore palette (gamma) */
-	for (i = 0; i < 256; i++)
-		PSB_WVDC32(dev_priv->save_palette_a[i], PALETTE_A + (i << 2));
-
-	if (dev_priv->hdmi_priv)
-		mrst_hdmi_restore(dev);
-
-	if (dev_priv->iLVDS_enable) {
-		PSB_WVDC32(dev_priv->saveBLC_PWM_CTL2, BLC_PWM_CTL2);
-		PSB_WVDC32(dev_priv->saveLVDS, LVDS); /*port 61180h*/
-		PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL);
-		PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
-		PSB_WVDC32(dev_priv->savePFIT_AUTO_RATIOS, PFIT_AUTO_RATIOS);
-		PSB_WVDC32(dev_priv->saveBLC_PWM_CTL, BLC_PWM_CTL);
-		PSB_WVDC32(dev_priv->savePP_ON_DELAYS, LVDSPP_ON);
-		PSB_WVDC32(dev_priv->savePP_OFF_DELAYS, LVDSPP_OFF);
-		PSB_WVDC32(dev_priv->savePP_DIVISOR, PP_CYCLE);
-		PSB_WVDC32(dev_priv->savePP_CONTROL, PP_CONTROL);
-	}
-
-	/* Wait for cycle delay */
-	do {
-		pp_stat = PSB_RVDC32(PP_STATUS);
-	} while (pp_stat & 0x08000000);
-
-	/* Wait for panel power up */
-	do {
-		pp_stat = PSB_RVDC32(PP_STATUS);
-	} while (pp_stat & 0x10000000);
-
-	/* Restore HW overlay */
-	PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4);
-	PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5);
-
-	/* DPST registers */
-	PSB_WVDC32(dev_priv->saveHISTOGRAM_INT_CONTROL_REG,
-						HISTOGRAM_INT_CONTROL);
-	PSB_WVDC32(dev_priv->saveHISTOGRAM_LOGIC_CONTROL_REG,
-						HISTOGRAM_LOGIC_CONTROL);
-	PSB_WVDC32(dev_priv->savePWM_CONTROL_LOGIC, PWM_CONTROL_LOGIC);
-
-	return 0;
-}
-
-/**
- *	mrst_power_down	-	power down the display island
- *	@dev: our DRM device
- *
- *	Power down the display interface of our device
- */
-static int mrst_power_down(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pwr_mask ;
-	u32 pwr_sts;
-
-	pwr_mask = PSB_PWRGT_DISPLAY_MASK;
-	outl(pwr_mask, dev_priv->ospm_base + PSB_PM_SSC);
-
-	while (true) {
-		pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
-		if ((pwr_sts & pwr_mask) == pwr_mask)
-			break;
-		else
-			udelay(10);
-	}
-	return 0;
-}
-
-/*
- * mrst_power_up
- *
- * Restore power to the specified island(s) (powergating)
- */
-static int mrst_power_up(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pwr_mask = PSB_PWRGT_DISPLAY_MASK;
-	u32 pwr_sts, pwr_cnt;
-
-	pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
-	pwr_cnt &= ~pwr_mask;
-	outl(pwr_cnt, (dev_priv->ospm_base + PSB_PM_SSC));
-
-	while (true) {
-		pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
-		if ((pwr_sts & pwr_mask) == 0)
-			break;
-		else
-			udelay(10);
-	}
-	return 0;
-}
-
-#if defined(CONFIG_X86_MRST)
-static void mrst_lvds_cache_bl(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	intel_scu_ipc_ioread8(0x28, &(dev_priv->saveBKLTCNT));
-	intel_scu_ipc_ioread8(0x29, &(dev_priv->saveBKLTREQ));
-	intel_scu_ipc_ioread8(0x2A, &(dev_priv->saveBKLTBRTL));
-}
-
-static void mrst_mm_bl_power(struct drm_device *dev, bool on)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (on) {
-		intel_scu_ipc_iowrite8(0x2A, dev_priv->saveBKLTBRTL);
-		intel_scu_ipc_iowrite8(0x28, dev_priv->saveBKLTCNT);
-		intel_scu_ipc_iowrite8(0x29, dev_priv->saveBKLTREQ);
-	} else {
-		intel_scu_ipc_iowrite8(0x2A, 0);
-		intel_scu_ipc_iowrite8(0x28, 0);
-		intel_scu_ipc_iowrite8(0x29, 0);
-	}
-}
-
-static const struct psb_ops mrst_mm_chip_ops = {
-	.name = "Moorestown MM ",
-	.accel_2d = 1,
-	.pipes = 1,
-	.crtcs = 1,
-	.sgx_offset = MRST_SGX_OFFSET,
-
-	.crtc_helper = &mrst_helper_funcs,
-	.crtc_funcs = &psb_intel_crtc_funcs,
-
-	.output_init = mrst_output_init,
-
-	.lvds_bl_power = mrst_mm_bl_power,
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = mrst_backlight_init,
-#endif
-
-	.init_pm = mrst_init_pm,
-	.save_regs = mrst_save_display_registers,
-	.restore_regs = mrst_restore_display_registers,
-	.power_down = mrst_power_down,
-	.power_up = mrst_power_up,
-
-	.i2c_bus = 0,
-};
-
-#endif
-
-static void oaktrail_teardown(struct drm_device *dev)
-{
-	mrst_hdmi_teardown(dev);
-}
-
-static const struct psb_ops oaktrail_chip_ops = {
-	.name = "Oaktrail",
-	.accel_2d = 1,
-	.pipes = 2,
-	.crtcs = 2,
-	.sgx_offset = MRST_SGX_OFFSET,
-
-	.chip_setup = mid_chip_setup,
-	.chip_teardown = oaktrail_teardown,
-	.crtc_helper = &mrst_helper_funcs,
-	.crtc_funcs = &psb_intel_crtc_funcs,
-
-	.output_init = mrst_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = mrst_backlight_init,
-#endif
-
-	.init_pm = mrst_init_pm,
-	.save_regs = mrst_save_display_registers,
-	.restore_regs = mrst_restore_display_registers,
-	.power_down = mrst_power_down,
-	.power_up = mrst_power_up,
-
-	.i2c_bus = 1,
-};
-
-/**
- *	mrst_chip_setup		-	perform the initial chip init
- *	@dev: Our drm_device
- *
- *	Figure out which incarnation we are and then scan the firmware for
- *	tables and information.
- */
-static int mrst_chip_setup(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	switch (mrst_device_ident(dev)) {
-	case DEVICE_OAKTRAIL:
-		/* Dual CRTC, PC compatible, HDMI, I2C #2 */
-		dev_priv->ops = &oaktrail_chip_ops;
-		mrst_hdmi_setup(dev);
-		return mid_chip_setup(dev);
-#if defined(CONFIG_X86_MRST)
-	case DEVICE_MOORESTOWN_MM:
-		/* Single CRTC, No HDMI, I2C #0, BL control */
-		mrst_lvds_cache_bl(dev);
-		dev_priv->ops = &mrst_mm_chip_ops;
-		return mid_chip_setup(dev);
-	case DEVICE_MOORESTOWN:
-		/* Dual CRTC, No HDMI(?), I2C #1 */
-		return mid_chip_setup(dev);
-#endif
-	default:
-		dev_err(dev->dev, "unsupported device type.\n");
-		return -ENODEV;
-	}
-}
-
-const struct psb_ops mrst_chip_ops = {
-	.name = "Moorestown",
-	.accel_2d = 1,
-	.pipes = 2,
-	.crtcs = 2,
-	.sgx_offset = MRST_SGX_OFFSET,
-
-	.chip_setup = mrst_chip_setup,
-	.crtc_helper = &mrst_helper_funcs,
-	.crtc_funcs = &psb_intel_crtc_funcs,
-
-	.output_init = mrst_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = mrst_backlight_init,
-#endif
-
-	.init_pm = mrst_init_pm,
-	.save_regs = mrst_save_display_registers,
-	.restore_regs = mrst_restore_display_registers,
-	.power_down = mrst_power_down,
-	.power_up = mrst_power_up,
-
-	.i2c_bus = 2,
-};
-
diff --git a/drivers/staging/gma500/mrst_hdmi.c b/drivers/staging/gma500/mrst_hdmi.c
deleted file mode 100644
index e66607eb3d3e..000000000000
--- a/drivers/staging/gma500/mrst_hdmi.c
+++ /dev/null
@@ -1,852 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	Li Peng <peng.li@intel.com>
- */
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_drv.h"
-
-#define HDMI_READ(reg)		readl(hdmi_dev->regs + (reg))
-#define HDMI_WRITE(reg, val)	writel(val, hdmi_dev->regs + (reg))
-
-#define HDMI_HCR	0x1000
-#define HCR_ENABLE_HDCP		(1 << 5)
-#define HCR_ENABLE_AUDIO	(1 << 2)
-#define HCR_ENABLE_PIXEL	(1 << 1)
-#define HCR_ENABLE_TMDS		(1 << 0)
-
-#define HDMI_HICR	0x1004
-#define HDMI_HSR	0x1008
-#define HDMI_HISR	0x100C
-#define HDMI_DETECT_HDP		(1 << 0)
-
-#define HDMI_VIDEO_REG	0x3000
-#define HDMI_UNIT_EN		(1 << 7)
-#define HDMI_MODE_OUTPUT	(1 << 0)
-#define HDMI_HBLANK_A	0x3100
-
-#define HDMI_AUDIO_CTRL	0x4000
-#define HDMI_ENABLE_AUDIO	(1 << 0)
-
-#define PCH_HTOTAL_B	0x3100
-#define PCH_HBLANK_B	0x3104
-#define PCH_HSYNC_B	0x3108
-#define PCH_VTOTAL_B	0x310C
-#define PCH_VBLANK_B	0x3110
-#define PCH_VSYNC_B	0x3114
-#define PCH_PIPEBSRC	0x311C
-
-#define PCH_PIPEB_DSL	0x3800
-#define PCH_PIPEB_SLC	0x3804
-#define PCH_PIPEBCONF	0x3808
-#define PCH_PIPEBSTAT	0x3824
-
-#define CDVO_DFT	0x5000
-#define CDVO_SLEWRATE	0x5004
-#define CDVO_STRENGTH	0x5008
-#define CDVO_RCOMP	0x500C
-
-#define DPLL_CTRL       0x6000
-#define DPLL_PDIV_SHIFT		16
-#define DPLL_PDIV_MASK		(0xf << 16)
-#define DPLL_PWRDN		(1 << 4)
-#define DPLL_RESET		(1 << 3)
-#define DPLL_FASTEN		(1 << 2)
-#define DPLL_ENSTAT		(1 << 1)
-#define DPLL_DITHEN		(1 << 0)
-
-#define DPLL_DIV_CTRL   0x6004
-#define DPLL_CLKF_MASK		0xffffffc0
-#define DPLL_CLKR_MASK		(0x3f)
-
-#define DPLL_CLK_ENABLE 0x6008
-#define DPLL_EN_DISP		(1 << 31)
-#define DPLL_SEL_HDMI		(1 << 8)
-#define DPLL_EN_HDMI		(1 << 1)
-#define DPLL_EN_VGA		(1 << 0)
-
-#define DPLL_ADJUST     0x600C
-#define DPLL_STATUS     0x6010
-#define DPLL_UPDATE     0x6014
-#define DPLL_DFT        0x6020
-
-struct intel_range {
-	int	min, max;
-};
-
-struct mrst_hdmi_limit {
-	struct intel_range vco, np, nr, nf;
-};
-
-struct mrst_hdmi_clock {
-	int np;
-	int nr;
-	int nf;
-	int dot;
-};
-
-#define VCO_MIN		320000
-#define VCO_MAX		1650000
-#define	NP_MIN		1
-#define	NP_MAX		15
-#define	NR_MIN		1
-#define	NR_MAX		64
-#define NF_MIN		2
-#define NF_MAX		4095
-
-static const struct mrst_hdmi_limit mrst_hdmi_limit = {
-	.vco = { .min = VCO_MIN,		.max = VCO_MAX },
-	.np  = { .min = NP_MIN,			.max = NP_MAX  },
-	.nr  = { .min = NR_MIN,			.max = NR_MAX  },
-	.nf  = { .min = NF_MIN,			.max = NF_MAX  },
-};
-
-static void wait_for_vblank(struct drm_device *dev)
-{
-	/* FIXME: Can we do this as a sleep ? */
-	/* Wait for 20ms, i.e. one cycle at 50hz. */
-	mdelay(20);
-}
-
-static void scu_busy_loop(void *scu_base)
-{
-	u32 status = 0;
-	u32 loop_count = 0;
-
-	status = readl(scu_base + 0x04);
-	while (status & 1) {
-		udelay(1); /* scu processing time is in few u secods */
-		status = readl(scu_base + 0x04);
-		loop_count++;
-		/* break if scu doesn't reset busy bit after huge retry */
-		if (loop_count > 1000) {
-			DRM_DEBUG_KMS("SCU IPC timed out");
-			return;
-		}
-	}
-}
-
-static void mrst_hdmi_reset(struct drm_device *dev)
-{
-	void *base;
-	/* FIXME: at least make these defines */
-	unsigned int scu_ipc_mmio = 0xff11c000;
-	int scu_len = 1024;
-
-	base = ioremap((resource_size_t)scu_ipc_mmio, scu_len);
-	if (base == NULL) {
-		DRM_ERROR("failed to map SCU mmio\n");
-		return;
-	}
-
-	/* scu ipc: assert hdmi controller reset */
-	writel(0xff11d118, base + 0x0c);
-	writel(0x7fffffdf, base + 0x80);
-	writel(0x42005, base + 0x0);
-	scu_busy_loop(base);
-
-	/* scu ipc: de-assert hdmi controller reset */
-	writel(0xff11d118, base + 0x0c);
-	writel(0x7fffffff, base + 0x80);
-	writel(0x42005, base + 0x0);
-	scu_busy_loop(base);
-
-	iounmap(base);
-}
-
-static void mrst_hdmi_audio_enable(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-
-	HDMI_WRITE(HDMI_HCR, 0x67);
-	HDMI_READ(HDMI_HCR);
-
-	HDMI_WRITE(0x51a8, 0x10);
-	HDMI_READ(0x51a8);
-
-	HDMI_WRITE(HDMI_AUDIO_CTRL, 0x1);
-	HDMI_READ(HDMI_AUDIO_CTRL);
-}
-
-static void mrst_hdmi_audio_disable(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-
-	HDMI_WRITE(0x51a8, 0x0);
-	HDMI_READ(0x51a8);
-
-	HDMI_WRITE(HDMI_AUDIO_CTRL, 0x0);
-	HDMI_READ(HDMI_AUDIO_CTRL);
-
-	HDMI_WRITE(HDMI_HCR, 0x47);
-	HDMI_READ(HDMI_HCR);
-}
-
-void mrst_crtc_hdmi_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	u32 temp;
-
-	switch (mode) {
-	case DRM_MODE_DPMS_OFF:
-		/* Disable VGACNTRL */
-		REG_WRITE(VGACNTRL, 0x80000000);
-
-		/* Disable plane */
-		temp = REG_READ(DSPBCNTR);
-		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-			REG_WRITE(DSPBCNTR, temp & ~DISPLAY_PLANE_ENABLE);
-			REG_READ(DSPBCNTR);
-			/* Flush the plane changes */
-			REG_WRITE(DSPBSURF, REG_READ(DSPBSURF));
-			REG_READ(DSPBSURF);
-		}
-
-		/* Disable pipe B */
-		temp = REG_READ(PIPEBCONF);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			REG_WRITE(PIPEBCONF, temp & ~PIPEACONF_ENABLE);
-			REG_READ(PIPEBCONF);
-		}
-
-		/* Disable LNW Pipes, etc */
-		temp = REG_READ(PCH_PIPEBCONF);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			REG_WRITE(PCH_PIPEBCONF, temp & ~PIPEACONF_ENABLE);
-			REG_READ(PCH_PIPEBCONF);
-		}
-		/* wait for pipe off */
-		udelay(150);
-		/* Disable dpll */
-		temp = REG_READ(DPLL_CTRL);
-		if ((temp & DPLL_PWRDN) == 0) {
-			REG_WRITE(DPLL_CTRL, temp | (DPLL_PWRDN | DPLL_RESET));
-			REG_WRITE(DPLL_STATUS, 0x1);
-		}
-		/* wait for dpll off */
-		udelay(150);
-		break;
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-		/* Enable dpll */
-		temp = REG_READ(DPLL_CTRL);
-		if ((temp & DPLL_PWRDN) != 0) {
-			REG_WRITE(DPLL_CTRL, temp & ~(DPLL_PWRDN | DPLL_RESET));
-			temp = REG_READ(DPLL_CLK_ENABLE);
-			REG_WRITE(DPLL_CLK_ENABLE, temp | DPLL_EN_DISP | DPLL_SEL_HDMI | DPLL_EN_HDMI);
-			REG_READ(DPLL_CLK_ENABLE);
-		}
-		/* wait for dpll warm up */
-		udelay(150);
-
-		/* Enable pipe B */
-		temp = REG_READ(PIPEBCONF);
-		if ((temp & PIPEACONF_ENABLE) == 0) {
-			REG_WRITE(PIPEBCONF, temp | PIPEACONF_ENABLE);
-			REG_READ(PIPEBCONF);
-		}
-
-		/* Enable LNW Pipe B */
-		temp = REG_READ(PCH_PIPEBCONF);
-		if ((temp & PIPEACONF_ENABLE) == 0) {
-			REG_WRITE(PCH_PIPEBCONF, temp | PIPEACONF_ENABLE);
-			REG_READ(PCH_PIPEBCONF);
-		}
-		wait_for_vblank(dev);
-
-		/* Enable plane */
-		temp = REG_READ(DSPBCNTR);
-		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-			REG_WRITE(DSPBCNTR, temp | DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(DSPBSURF, REG_READ(DSPBSURF));
-			REG_READ(DSPBSURF);
-		}
-		psb_intel_crtc_load_lut(crtc);
-	}
-	/* DSPARB */
-	REG_WRITE(DSPARB, 0x00003fbf);
-	/* FW1 */
-	REG_WRITE(0x70034, 0x3f880a0a);
-	/* FW2 */
-	REG_WRITE(0x70038, 0x0b060808);
-	/* FW4 */
-	REG_WRITE(0x70050, 0x08030404);
-	/* FW5 */
-	REG_WRITE(0x70054, 0x04040404);
-	/* LNC Chicken Bits */
-	REG_WRITE(0x70400, 0x4000);
-}
-
-
-static void mrst_hdmi_dpms(struct drm_encoder *encoder, int mode)
-{
-	static int dpms_mode = -1;
-
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	u32 temp;
-
-	if (dpms_mode == mode)
-		return;
-
-	if (mode != DRM_MODE_DPMS_ON)
-		temp = 0x0;
-	else
-		temp = 0x99;
-
-	dpms_mode = mode;
-	HDMI_WRITE(HDMI_VIDEO_REG, temp);
-}
-
-static unsigned int htotal_calculate(struct drm_display_mode *mode)
-{
-	u32 htotal, new_crtc_htotal;
-
-	htotal = (mode->crtc_hdisplay - 1) | ((mode->crtc_htotal - 1) << 16);
-
-	/*
-	 * 1024 x 768  new_crtc_htotal = 0x1024;
-	 * 1280 x 1024 new_crtc_htotal = 0x0c34;
-	 */
-	new_crtc_htotal = (mode->crtc_htotal - 1) * 200 * 1000 / mode->clock;
-
-	return (mode->crtc_hdisplay - 1) | (new_crtc_htotal << 16);
-}
-
-static void mrst_hdmi_find_dpll(struct drm_crtc *crtc, int target,
-				int refclk, struct mrst_hdmi_clock *best_clock)
-{
-	int np_min, np_max, nr_min, nr_max;
-	int np, nr, nf;
-
-	np_min = DIV_ROUND_UP(mrst_hdmi_limit.vco.min, target * 10);
-	np_max = mrst_hdmi_limit.vco.max / (target * 10);
-	if (np_min < mrst_hdmi_limit.np.min)
-		np_min = mrst_hdmi_limit.np.min;
-	if (np_max > mrst_hdmi_limit.np.max)
-		np_max = mrst_hdmi_limit.np.max;
-
-	nr_min = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_max));
-	nr_max = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_min));
-	if (nr_min < mrst_hdmi_limit.nr.min)
-		nr_min = mrst_hdmi_limit.nr.min;
-	if (nr_max > mrst_hdmi_limit.nr.max)
-		nr_max = mrst_hdmi_limit.nr.max;
-
-	np = DIV_ROUND_UP((refclk * 1000), (target * 10 * nr_max));
-	nr = DIV_ROUND_UP((refclk * 1000), (target * 10 * np));
-	nf = DIV_ROUND_CLOSEST((target * 10 * np * nr), refclk);
-	DRM_DEBUG_KMS("np, nr, nf %d %d %d\n", np, nr, nf);
-
-	/*
-	 * 1024 x 768  np = 1; nr = 0x26; nf = 0x0fd8000;
-	 * 1280 x 1024 np = 1; nr = 0x17; nf = 0x1034000;
-	 */
-	best_clock->np = np;
-	best_clock->nr = nr - 1;
-	best_clock->nf = (nf << 14);
-}
-
-int mrst_crtc_hdmi_mode_set(struct drm_crtc *crtc,
-			    struct drm_display_mode *mode,
-			    struct drm_display_mode *adjusted_mode,
-			    int x, int y,
-			    struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	int pipe = 1;
-	int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-	int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-	int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-	int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-	int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-	int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-	int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
-	int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
-	int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	int refclk;
-	struct mrst_hdmi_clock clock;
-	u32 dspcntr, pipeconf, dpll, temp;
-	int dspcntr_reg = DSPBCNTR;
-
-	/* Disable the VGA plane that we never use */
-	REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-	/* XXX: Disable the panel fitter if it was on our pipe */
-
-	/* Disable dpll if necessary */
-	dpll = REG_READ(DPLL_CTRL);
-	if ((dpll & DPLL_PWRDN) == 0) {
-		REG_WRITE(DPLL_CTRL, dpll | (DPLL_PWRDN | DPLL_RESET));
-		REG_WRITE(DPLL_DIV_CTRL, 0x00000000);
-		REG_WRITE(DPLL_STATUS, 0x1);
-	}
-	udelay(150);
-
-	/* reset controller: FIXME - can we sort out the ioremap mess ? */
-	iounmap(hdmi_dev->regs);
-	mrst_hdmi_reset(dev);
-
-	/* program and enable dpll */
-	refclk = 25000;
-	mrst_hdmi_find_dpll(crtc, adjusted_mode->clock, refclk, &clock);
-
-	/* Setting DPLL */
-	dpll = REG_READ(DPLL_CTRL);
-	dpll &= ~DPLL_PDIV_MASK;
-	dpll &= ~(DPLL_PWRDN | DPLL_RESET);
-	REG_WRITE(DPLL_CTRL, 0x00000008);
-	REG_WRITE(DPLL_DIV_CTRL, ((clock.nf << 6) | clock.nr));
-	REG_WRITE(DPLL_ADJUST, ((clock.nf >> 14) - 1));
-	REG_WRITE(DPLL_CTRL, (dpll | (clock.np << DPLL_PDIV_SHIFT) | DPLL_ENSTAT | DPLL_DITHEN));
-	REG_WRITE(DPLL_UPDATE, 0x80000000);
-	REG_WRITE(DPLL_CLK_ENABLE, 0x80050102);
-	udelay(150);
-
-	hdmi_dev->regs = ioremap(hdmi_dev->mmio, hdmi_dev->mmio_len);
-	if (hdmi_dev->regs == NULL) {
-		DRM_ERROR("failed to do hdmi mmio mapping\n");
-		return -ENOMEM;
-	}
-
-	/* configure HDMI */
-	HDMI_WRITE(0x1004, 0x1fd);
-	HDMI_WRITE(0x2000, 0x1);
-	HDMI_WRITE(0x2008, 0x0);
-	HDMI_WRITE(0x3130, 0x8);
-	HDMI_WRITE(0x101c, 0x1800810);
-
-	temp = htotal_calculate(adjusted_mode);
-	REG_WRITE(htot_reg, temp);
-	REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | ((adjusted_mode->crtc_hblank_end - 1) << 16));
-	REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16));
-	REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | ((adjusted_mode->crtc_vtotal - 1) << 16));
-	REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | ((adjusted_mode->crtc_vblank_end - 1) << 16));
-	REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | ((adjusted_mode->crtc_vsync_end - 1) << 16));
-	REG_WRITE(pipesrc_reg,
-		((mode->crtc_hdisplay - 1) << 16) |  (mode->crtc_vdisplay - 1));
-
-	REG_WRITE(PCH_HTOTAL_B, (adjusted_mode->crtc_hdisplay - 1) | ((adjusted_mode->crtc_htotal - 1) << 16));
-	REG_WRITE(PCH_HBLANK_B, (adjusted_mode->crtc_hblank_start - 1) | ((adjusted_mode->crtc_hblank_end - 1) << 16));
-	REG_WRITE(PCH_HSYNC_B, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16));
-	REG_WRITE(PCH_VTOTAL_B, (adjusted_mode->crtc_vdisplay - 1) | ((adjusted_mode->crtc_vtotal - 1) << 16));
-	REG_WRITE(PCH_VBLANK_B, (adjusted_mode->crtc_vblank_start - 1) | ((adjusted_mode->crtc_vblank_end - 1) << 16));
-	REG_WRITE(PCH_VSYNC_B, (adjusted_mode->crtc_vsync_start - 1) | ((adjusted_mode->crtc_vsync_end - 1) << 16));
-	REG_WRITE(PCH_PIPEBSRC,
-		((mode->crtc_hdisplay - 1) << 16) |  (mode->crtc_vdisplay - 1));
-
-	temp = adjusted_mode->crtc_hblank_end - adjusted_mode->crtc_hblank_start;
-	HDMI_WRITE(HDMI_HBLANK_A, ((adjusted_mode->crtc_hdisplay - 1) << 16) |  temp);
-
-	REG_WRITE(dspsize_reg,
-			((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
-	REG_WRITE(dsppos_reg, 0);
-
-	/* Flush the plane changes */
-	{
-		struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-	}
-
-	/* Set up the display plane register */
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr |= DISPPLANE_GAMMA_ENABLE;
-	dspcntr |= DISPPLANE_SEL_PIPE_B;
-	dspcntr |= DISPLAY_PLANE_ENABLE;
-
-	/* setup pipeconf */
-	pipeconf = REG_READ(pipeconf_reg);
-	pipeconf |= PIPEACONF_ENABLE;
-
-	REG_WRITE(pipeconf_reg, pipeconf);
-	REG_READ(pipeconf_reg);
-
-	REG_WRITE(PCH_PIPEBCONF, pipeconf);
-	REG_READ(PCH_PIPEBCONF);
-	wait_for_vblank(dev);
-
-	REG_WRITE(dspcntr_reg, dspcntr);
-	wait_for_vblank(dev);
-
-	return 0;
-}
-
-static int mrst_hdmi_mode_valid(struct drm_connector *connector,
-				struct drm_display_mode *mode)
-{
-	if (mode->clock > 165000)
-		return MODE_CLOCK_HIGH;
-	if (mode->clock < 20000)
-		return MODE_CLOCK_LOW;
-
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	return MODE_OK;
-}
-
-static bool mrst_hdmi_mode_fixup(struct drm_encoder *encoder,
-				 struct drm_display_mode *mode,
-				 struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-static enum drm_connector_status
-mrst_hdmi_detect(struct drm_connector *connector, bool force)
-{
-	enum drm_connector_status status;
-	struct drm_device *dev = connector->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	u32 temp;
-
-	temp = HDMI_READ(HDMI_HSR);
-	DRM_DEBUG_KMS("HDMI_HSR %x\n", temp);
-
-	if ((temp & HDMI_DETECT_HDP) != 0)
-		status = connector_status_connected;
-	else
-		status = connector_status_disconnected;
-
-	return status;
-}
-
-static const unsigned char raw_edid[] = {
-	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x10, 0xac, 0x2f, 0xa0,
-	0x53, 0x55, 0x33, 0x30, 0x16, 0x13, 0x01, 0x03, 0x0e, 0x3a, 0x24, 0x78,
-	0xea, 0xe9, 0xf5, 0xac, 0x51, 0x30, 0xb4, 0x25, 0x11, 0x50, 0x54, 0xa5,
-	0x4b, 0x00, 0x81, 0x80, 0xa9, 0x40, 0x71, 0x4f, 0xb3, 0x00, 0x01, 0x01,
-	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x28, 0x3c, 0x80, 0xa0, 0x70, 0xb0,
-	0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x46, 0x6c, 0x21, 0x00, 0x00, 0x1a,
-	0x00, 0x00, 0x00, 0xff, 0x00, 0x47, 0x4e, 0x37, 0x32, 0x31, 0x39, 0x35,
-	0x52, 0x30, 0x33, 0x55, 0x53, 0x0a, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x44,
-	0x45, 0x4c, 0x4c, 0x20, 0x32, 0x37, 0x30, 0x39, 0x57, 0x0a, 0x20, 0x20,
-	0x00, 0x00, 0x00, 0xfd, 0x00, 0x38, 0x4c, 0x1e, 0x53, 0x11, 0x00, 0x0a,
-	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x8d
-};
-
-static int mrst_hdmi_get_modes(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct i2c_adapter *i2c_adap;
-	struct edid *edid;
-	struct drm_display_mode *mode, *t;
-	int i = 0, ret = 0;
-
-	i2c_adap = i2c_get_adapter(3);
-	if (i2c_adap == NULL) {
-		DRM_ERROR("No ddc adapter available!\n");
-		edid = (struct edid *)raw_edid;
-	} else {
-		edid = (struct edid *)raw_edid;
-		/* FIXME ? edid = drm_get_edid(connector, i2c_adap); */
-	}
-
-	if (edid) {
-		drm_mode_connector_update_edid_property(connector, edid);
-		ret = drm_add_edid_modes(connector, edid);
-		connector->display_info.raw_edid = NULL;
-	}
-
-	/*
-	 * prune modes that require frame buffer bigger than stolen mem
-	 */
-	list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
-		if ((mode->hdisplay * mode->vdisplay * 4) >= dev_priv->vram_stolen_size) {
-			i++;
-			drm_mode_remove(connector, mode);
-		}
-	}
-	return ret - i;
-}
-
-static void mrst_hdmi_mode_set(struct drm_encoder *encoder,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-
-	mrst_hdmi_audio_enable(dev);
-	return;
-}
-
-static void mrst_hdmi_destroy(struct drm_connector *connector)
-{
-	return;
-}
-
-static const struct drm_encoder_helper_funcs mrst_hdmi_helper_funcs = {
-	.dpms = mrst_hdmi_dpms,
-	.mode_fixup = mrst_hdmi_mode_fixup,
-	.prepare = psb_intel_encoder_prepare,
-	.mode_set = mrst_hdmi_mode_set,
-	.commit = psb_intel_encoder_commit,
-};
-
-static const struct drm_connector_helper_funcs
-					mrst_hdmi_connector_helper_funcs = {
-	.get_modes = mrst_hdmi_get_modes,
-	.mode_valid = mrst_hdmi_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-static const struct drm_connector_funcs mrst_hdmi_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.detect = mrst_hdmi_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = mrst_hdmi_destroy,
-};
-
-static void mrst_hdmi_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs mrst_hdmi_enc_funcs = {
-	.destroy = mrst_hdmi_enc_destroy,
-};
-
-void mrst_hdmi_init(struct drm_device *dev,
-					struct psb_intel_mode_device *mode_dev)
-{
-	struct psb_intel_output *psb_intel_output;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	psb_intel_output->mode_dev = mode_dev;
-	connector = &psb_intel_output->base;
-	encoder = &psb_intel_output->enc;
-	drm_connector_init(dev, &psb_intel_output->base,
-			   &mrst_hdmi_connector_funcs,
-			   DRM_MODE_CONNECTOR_DVID);
-
-	drm_encoder_init(dev, &psb_intel_output->enc,
-			 &mrst_hdmi_enc_funcs,
-			 DRM_MODE_ENCODER_TMDS);
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-
-	psb_intel_output->type = INTEL_OUTPUT_HDMI;
-	drm_encoder_helper_add(encoder, &mrst_hdmi_helper_funcs);
-	drm_connector_helper_add(connector, &mrst_hdmi_connector_helper_funcs);
-
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-	drm_sysfs_connector_add(connector);
-
-	return;
-}
-
-static DEFINE_PCI_DEVICE_TABLE(hdmi_ids) = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080d) },
-	{}
-};
-
-void mrst_hdmi_setup(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct pci_dev *pdev;
-	struct mrst_hdmi_dev *hdmi_dev;
-	int ret;
-
-	pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x080d, NULL);
-	if (!pdev)
-		return;
-
-	hdmi_dev = kzalloc(sizeof(struct mrst_hdmi_dev), GFP_KERNEL);
-	if (!hdmi_dev) {
-		dev_err(dev->dev, "failed to allocate memory\n");
-		goto out;
-	}
-
-
-	ret = pci_enable_device(pdev);
-	if (ret) {
-		dev_err(dev->dev, "failed to enable hdmi controller\n");
-		goto free;
-	}
-
-	hdmi_dev->mmio = pci_resource_start(pdev, 0);
-	hdmi_dev->mmio_len = pci_resource_len(pdev, 0);
-	hdmi_dev->regs = ioremap(hdmi_dev->mmio, hdmi_dev->mmio_len);
-	if (!hdmi_dev->regs) {
-		dev_err(dev->dev, "failed to map hdmi mmio\n");
-		goto free;
-	}
-
-	hdmi_dev->dev = pdev;
-	pci_set_drvdata(pdev, hdmi_dev);
-
-	/* Initialize i2c controller */
-	ret = mrst_hdmi_i2c_init(hdmi_dev->dev);
-	if (ret)
-		dev_err(dev->dev, "HDMI I2C initialization failed\n");
-
-	dev_priv->hdmi_priv = hdmi_dev;
-	mrst_hdmi_audio_disable(dev);
-	return;
-
-free:
-	kfree(hdmi_dev);
-out:
-	return;
-}
-
-void mrst_hdmi_teardown(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	struct pci_dev *pdev;
-
-	if (hdmi_dev) {
-		pdev = hdmi_dev->dev;
-		pci_set_drvdata(pdev, NULL);
-		mrst_hdmi_i2c_exit(pdev);
-		iounmap(hdmi_dev->regs);
-		kfree(hdmi_dev);
-		pci_dev_put(pdev);
-	}
-}
-
-/* save HDMI register state */
-void mrst_hdmi_save(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	int i;
-
-	/* dpll */
-	hdmi_dev->saveDPLL_CTRL = PSB_RVDC32(DPLL_CTRL);
-	hdmi_dev->saveDPLL_DIV_CTRL = PSB_RVDC32(DPLL_DIV_CTRL);
-	hdmi_dev->saveDPLL_ADJUST = PSB_RVDC32(DPLL_ADJUST);
-	hdmi_dev->saveDPLL_UPDATE = PSB_RVDC32(DPLL_UPDATE);
-	hdmi_dev->saveDPLL_CLK_ENABLE = PSB_RVDC32(DPLL_CLK_ENABLE);
-
-	/* pipe B */
-	dev_priv->savePIPEBCONF = PSB_RVDC32(PIPEBCONF);
-	dev_priv->savePIPEBSRC  = PSB_RVDC32(PIPEBSRC);
-	dev_priv->saveHTOTAL_B  = PSB_RVDC32(HTOTAL_B);
-	dev_priv->saveHBLANK_B  = PSB_RVDC32(HBLANK_B);
-	dev_priv->saveHSYNC_B   = PSB_RVDC32(HSYNC_B);
-	dev_priv->saveVTOTAL_B  = PSB_RVDC32(VTOTAL_B);
-	dev_priv->saveVBLANK_B  = PSB_RVDC32(VBLANK_B);
-	dev_priv->saveVSYNC_B   = PSB_RVDC32(VSYNC_B);
-
-	hdmi_dev->savePCH_PIPEBCONF = PSB_RVDC32(PCH_PIPEBCONF);
-	hdmi_dev->savePCH_PIPEBSRC = PSB_RVDC32(PCH_PIPEBSRC);
-	hdmi_dev->savePCH_HTOTAL_B = PSB_RVDC32(PCH_HTOTAL_B);
-	hdmi_dev->savePCH_HBLANK_B = PSB_RVDC32(PCH_HBLANK_B);
-	hdmi_dev->savePCH_HSYNC_B  = PSB_RVDC32(PCH_HSYNC_B);
-	hdmi_dev->savePCH_VTOTAL_B = PSB_RVDC32(PCH_VTOTAL_B);
-	hdmi_dev->savePCH_VBLANK_B = PSB_RVDC32(PCH_VBLANK_B);
-	hdmi_dev->savePCH_VSYNC_B  = PSB_RVDC32(PCH_VSYNC_B);
-
-	/* plane */
-	dev_priv->saveDSPBCNTR = PSB_RVDC32(DSPBCNTR);
-	dev_priv->saveDSPBSTRIDE = PSB_RVDC32(DSPBSTRIDE);
-	dev_priv->saveDSPBADDR = PSB_RVDC32(DSPBBASE);
-	dev_priv->saveDSPBSURF = PSB_RVDC32(DSPBSURF);
-	dev_priv->saveDSPBLINOFF = PSB_RVDC32(DSPBLINOFF);
-	dev_priv->saveDSPBTILEOFF = PSB_RVDC32(DSPBTILEOFF);
-
-	/* cursor B */
-	dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR);
-	dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE);
-	dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS);
-
-	/* save palette */
-	for (i = 0; i < 256; i++)
-		dev_priv->save_palette_b[i] = PSB_RVDC32(PALETTE_B + (i << 2));
-}
-
-/* restore HDMI register state */
-void mrst_hdmi_restore(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-	int i;
-
-	/* dpll */
-	PSB_WVDC32(hdmi_dev->saveDPLL_CTRL, DPLL_CTRL);
-	PSB_WVDC32(hdmi_dev->saveDPLL_DIV_CTRL, DPLL_DIV_CTRL);
-	PSB_WVDC32(hdmi_dev->saveDPLL_ADJUST, DPLL_ADJUST);
-	PSB_WVDC32(hdmi_dev->saveDPLL_UPDATE, DPLL_UPDATE);
-	PSB_WVDC32(hdmi_dev->saveDPLL_CLK_ENABLE, DPLL_CLK_ENABLE);
-	DRM_UDELAY(150);
-
-	/* pipe */
-	PSB_WVDC32(dev_priv->savePIPEBSRC, PIPEBSRC);
-	PSB_WVDC32(dev_priv->saveHTOTAL_B, HTOTAL_B);
-	PSB_WVDC32(dev_priv->saveHBLANK_B, HBLANK_B);
-	PSB_WVDC32(dev_priv->saveHSYNC_B,  HSYNC_B);
-	PSB_WVDC32(dev_priv->saveVTOTAL_B, VTOTAL_B);
-	PSB_WVDC32(dev_priv->saveVBLANK_B, VBLANK_B);
-	PSB_WVDC32(dev_priv->saveVSYNC_B,  VSYNC_B);
-
-	PSB_WVDC32(hdmi_dev->savePCH_PIPEBSRC, PCH_PIPEBSRC);
-	PSB_WVDC32(hdmi_dev->savePCH_HTOTAL_B, PCH_HTOTAL_B);
-	PSB_WVDC32(hdmi_dev->savePCH_HBLANK_B, PCH_HBLANK_B);
-	PSB_WVDC32(hdmi_dev->savePCH_HSYNC_B,  PCH_HSYNC_B);
-	PSB_WVDC32(hdmi_dev->savePCH_VTOTAL_B, PCH_VTOTAL_B);
-	PSB_WVDC32(hdmi_dev->savePCH_VBLANK_B, PCH_VBLANK_B);
-	PSB_WVDC32(hdmi_dev->savePCH_VSYNC_B,  PCH_VSYNC_B);
-
-	PSB_WVDC32(dev_priv->savePIPEBCONF, PIPEBCONF);
-	PSB_WVDC32(hdmi_dev->savePCH_PIPEBCONF, PCH_PIPEBCONF);
-
-	/* plane */
-	PSB_WVDC32(dev_priv->saveDSPBLINOFF, DSPBLINOFF);
-	PSB_WVDC32(dev_priv->saveDSPBSTRIDE, DSPBSTRIDE);
-	PSB_WVDC32(dev_priv->saveDSPBTILEOFF, DSPBTILEOFF);
-	PSB_WVDC32(dev_priv->saveDSPBCNTR, DSPBCNTR);
-	PSB_WVDC32(dev_priv->saveDSPBSURF, DSPBSURF);
-
-	/* cursor B */
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR);
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS);
-	PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE);
-
-	/* restore palette */
-	for (i = 0; i < 256; i++)
-		PSB_WVDC32(dev_priv->save_palette_b[i], PALETTE_B + (i << 2));
-}
diff --git a/drivers/staging/gma500/mrst_hdmi_i2c.c b/drivers/staging/gma500/mrst_hdmi_i2c.c
deleted file mode 100644
index 36e7edc4d14c..000000000000
--- a/drivers/staging/gma500/mrst_hdmi_i2c.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *	Li Peng <peng.li@intel.com>
- */
-
-#include <linux/mutex.h>
-#include <linux/pci.h>
-#include <linux/i2c.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/export.h>
-#include "psb_drv.h"
-
-#define HDMI_READ(reg)		readl(hdmi_dev->regs + (reg))
-#define HDMI_WRITE(reg, val)	writel(val, hdmi_dev->regs + (reg))
-
-#define HDMI_HCR	0x1000
-#define HCR_DETECT_HDP		(1 << 6)
-#define HCR_ENABLE_HDCP		(1 << 5)
-#define HCR_ENABLE_AUDIO	(1 << 2)
-#define HCR_ENABLE_PIXEL	(1 << 1)
-#define HCR_ENABLE_TMDS		(1 << 0)
-#define HDMI_HICR	0x1004
-#define HDMI_INTR_I2C_ERROR	(1 << 4)
-#define HDMI_INTR_I2C_FULL	(1 << 3)
-#define HDMI_INTR_I2C_DONE	(1 << 2)
-#define HDMI_INTR_HPD		(1 << 0)
-#define HDMI_HSR	0x1008
-#define HDMI_HISR	0x100C
-#define HDMI_HI2CRDB0	0x1200
-#define HDMI_HI2CHCR	0x1240
-#define HI2C_HDCP_WRITE		(0 << 2)
-#define HI2C_HDCP_RI_READ	(1 << 2)
-#define HI2C_HDCP_READ		(2 << 2)
-#define HI2C_EDID_READ		(3 << 2)
-#define HI2C_READ_CONTINUE	(1 << 1)
-#define HI2C_ENABLE_TRANSACTION	(1 << 0)
-
-#define HDMI_ICRH	0x1100
-#define HDMI_HI2CTDR0	0x1244
-#define HDMI_HI2CTDR1	0x1248
-
-#define I2C_STAT_INIT		0
-#define I2C_READ_DONE		1
-#define I2C_TRANSACTION_DONE	2
-
-struct hdmi_i2c_dev {
-	struct i2c_adapter *adap;
-	struct mutex i2c_lock;
-	struct completion complete;
-	int status;
-	struct i2c_msg *msg;
-	int buf_offset;
-};
-
-static void hdmi_i2c_irq_enable(struct mrst_hdmi_dev *hdmi_dev)
-{
-	u32 temp;
-
-	temp = HDMI_READ(HDMI_HICR);
-	temp |= (HDMI_INTR_I2C_ERROR | HDMI_INTR_I2C_FULL | HDMI_INTR_I2C_DONE);
-	HDMI_WRITE(HDMI_HICR, temp);
-	HDMI_READ(HDMI_HICR);
-}
-
-static void hdmi_i2c_irq_disable(struct mrst_hdmi_dev *hdmi_dev)
-{
-	HDMI_WRITE(HDMI_HICR, 0x0);
-	HDMI_READ(HDMI_HICR);
-}
-
-static int xfer_read(struct i2c_adapter *adap, struct i2c_msg *pmsg)
-{
-	struct mrst_hdmi_dev *hdmi_dev = i2c_get_adapdata(adap);
-	struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-	u32 temp;
-
-	i2c_dev->status = I2C_STAT_INIT;
-	i2c_dev->msg = pmsg;
-	i2c_dev->buf_offset = 0;
-	INIT_COMPLETION(i2c_dev->complete);
-
-	/* Enable I2C transaction */
-	temp = ((pmsg->len) << 20) | HI2C_EDID_READ | HI2C_ENABLE_TRANSACTION;
-	HDMI_WRITE(HDMI_HI2CHCR, temp);
-	HDMI_READ(HDMI_HI2CHCR);
-
-	while (i2c_dev->status != I2C_TRANSACTION_DONE)
-		wait_for_completion_interruptible_timeout(&i2c_dev->complete,
-								10 * HZ);
-
-	return 0;
-}
-
-static int xfer_write(struct i2c_adapter *adap, struct i2c_msg *pmsg)
-{
-	/*
-	 * XXX: i2c write seems isn't useful for EDID probe, don't do anything
-	 */
-	return 0;
-}
-
-static int mrst_hdmi_i2c_access(struct i2c_adapter *adap,
-				struct i2c_msg *pmsg,
-				int num)
-{
-	struct mrst_hdmi_dev *hdmi_dev = i2c_get_adapdata(adap);
-	struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-	int i, err = 0;
-
-	mutex_lock(&i2c_dev->i2c_lock);
-
-	/* Enable i2c unit */
-	HDMI_WRITE(HDMI_ICRH, 0x00008760);
-
-	/* Enable irq */
-	hdmi_i2c_irq_enable(hdmi_dev);
-	for (i = 0; i < num; i++) {
-		if (pmsg->len && pmsg->buf) {
-			if (pmsg->flags & I2C_M_RD)
-				err = xfer_read(adap, pmsg);
-			else
-				err = xfer_write(adap, pmsg);
-		}
-		pmsg++;         /* next message */
-	}
-
-	/* Disable irq */
-	hdmi_i2c_irq_disable(hdmi_dev);
-
-	mutex_unlock(&i2c_dev->i2c_lock);
-
-	return i;
-}
-
-static u32 mrst_hdmi_i2c_func(struct i2c_adapter *adapter)
-{
-	return I2C_FUNC_I2C | I2C_FUNC_10BIT_ADDR;
-}
-
-static const struct i2c_algorithm mrst_hdmi_i2c_algorithm = {
-	.master_xfer	= mrst_hdmi_i2c_access,
-	.functionality  = mrst_hdmi_i2c_func,
-};
-
-static struct i2c_adapter mrst_hdmi_i2c_adapter = {
-	.name		= "mrst_hdmi_i2c",
-	.nr		= 3,
-	.owner		= THIS_MODULE,
-	.class		= I2C_CLASS_DDC,
-	.algo		= &mrst_hdmi_i2c_algorithm,
-};
-
-static void hdmi_i2c_read(struct mrst_hdmi_dev *hdmi_dev)
-{
-	struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-	struct i2c_msg *msg = i2c_dev->msg;
-	u8 *buf = msg->buf;
-	u32 temp;
-	int i, offset;
-
-	offset = i2c_dev->buf_offset;
-	for (i = 0; i < 0x10; i++) {
-		temp = HDMI_READ(HDMI_HI2CRDB0 + (i * 4));
-		memcpy(buf + (offset + i * 4), &temp, 4);
-	}
-	i2c_dev->buf_offset += (0x10 * 4);
-
-	/* clearing read buffer full intr */
-	temp = HDMI_READ(HDMI_HISR);
-	HDMI_WRITE(HDMI_HISR, temp | HDMI_INTR_I2C_FULL);
-	HDMI_READ(HDMI_HISR);
-
-	/* continue read transaction */
-	temp = HDMI_READ(HDMI_HI2CHCR);
-	HDMI_WRITE(HDMI_HI2CHCR, temp | HI2C_READ_CONTINUE);
-	HDMI_READ(HDMI_HI2CHCR);
-
-	i2c_dev->status = I2C_READ_DONE;
-	return;
-}
-
-static void hdmi_i2c_transaction_done(struct mrst_hdmi_dev *hdmi_dev)
-{
-	struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-	u32 temp;
-
-	/* clear transaction done intr */
-	temp = HDMI_READ(HDMI_HISR);
-	HDMI_WRITE(HDMI_HISR, temp | HDMI_INTR_I2C_DONE);
-	HDMI_READ(HDMI_HISR);
-
-
-	temp = HDMI_READ(HDMI_HI2CHCR);
-	HDMI_WRITE(HDMI_HI2CHCR, temp & ~HI2C_ENABLE_TRANSACTION);
-	HDMI_READ(HDMI_HI2CHCR);
-
-	i2c_dev->status = I2C_TRANSACTION_DONE;
-	return;
-}
-
-static irqreturn_t mrst_hdmi_i2c_handler(int this_irq, void *dev)
-{
-	struct mrst_hdmi_dev *hdmi_dev = dev;
-	struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-	u32 stat;
-
-	stat = HDMI_READ(HDMI_HISR);
-
-	if (stat & HDMI_INTR_HPD) {
-		HDMI_WRITE(HDMI_HISR, stat | HDMI_INTR_HPD);
-		HDMI_READ(HDMI_HISR);
-	}
-
-	if (stat & HDMI_INTR_I2C_FULL)
-		hdmi_i2c_read(hdmi_dev);
-
-	if (stat & HDMI_INTR_I2C_DONE)
-		hdmi_i2c_transaction_done(hdmi_dev);
-
-	complete(&i2c_dev->complete);
-
-	return IRQ_HANDLED;
-}
-
-/*
- * choose alternate function 2 of GPIO pin 52, 53,
- * which is used by HDMI I2C logic
- */
-static void mrst_hdmi_i2c_gpio_fix(void)
-{
-	void *base;
-	unsigned int gpio_base = 0xff12c000;
-	int gpio_len = 0x1000;
-	u32 temp;
-
-	base = ioremap((resource_size_t)gpio_base, gpio_len);
-	if (base == NULL) {
-		DRM_ERROR("gpio ioremap fail\n");
-		return;
-	}
-
-	temp = readl(base + 0x44);
-	DRM_DEBUG_DRIVER("old gpio val %x\n", temp);
-	writel((temp | 0x00000a00), (base +  0x44));
-	temp = readl(base + 0x44);
-	DRM_DEBUG_DRIVER("new gpio val %x\n", temp);
-
-	iounmap(base);
-}
-
-int mrst_hdmi_i2c_init(struct pci_dev *dev)
-{
-	struct mrst_hdmi_dev *hdmi_dev;
-	struct hdmi_i2c_dev *i2c_dev;
-	int ret;
-
-	hdmi_dev = pci_get_drvdata(dev);
-
-	i2c_dev = kzalloc(sizeof(struct hdmi_i2c_dev), GFP_KERNEL);
-	if (i2c_dev == NULL) {
-		DRM_ERROR("Can't allocate interface\n");
-		ret = -ENOMEM;
-		goto exit;
-	}
-
-	i2c_dev->adap = &mrst_hdmi_i2c_adapter;
-	i2c_dev->status = I2C_STAT_INIT;
-	init_completion(&i2c_dev->complete);
-	mutex_init(&i2c_dev->i2c_lock);
-	i2c_set_adapdata(&mrst_hdmi_i2c_adapter, hdmi_dev);
-	hdmi_dev->i2c_dev = i2c_dev;
-
-	/* Enable HDMI I2C function on gpio */
-	mrst_hdmi_i2c_gpio_fix();
-
-	/* request irq */
-	ret = request_irq(dev->irq, mrst_hdmi_i2c_handler, IRQF_SHARED,
-			  mrst_hdmi_i2c_adapter.name, hdmi_dev);
-	if (ret) {
-		DRM_ERROR("Failed to request IRQ for I2C controller\n");
-		goto err;
-	}
-
-	/* Adapter registration */
-	ret = i2c_add_numbered_adapter(&mrst_hdmi_i2c_adapter);
-	return ret;
-
-err:
-	kfree(i2c_dev);
-exit:
-	return ret;
-}
-
-void mrst_hdmi_i2c_exit(struct pci_dev *dev)
-{
-	struct mrst_hdmi_dev *hdmi_dev;
-	struct hdmi_i2c_dev *i2c_dev;
-
-	hdmi_dev = pci_get_drvdata(dev);
-	if (i2c_del_adapter(&mrst_hdmi_i2c_adapter))
-		DRM_DEBUG_DRIVER("Failed to delete hdmi-i2c adapter\n");
-
-	i2c_dev = hdmi_dev->i2c_dev;
-	kfree(i2c_dev);
-	free_irq(dev->irq, hdmi_dev);
-}
diff --git a/drivers/staging/gma500/mrst_lvds.c b/drivers/staging/gma500/mrst_lvds.c
deleted file mode 100644
index e7999a2a3796..000000000000
--- a/drivers/staging/gma500/mrst_lvds.c
+++ /dev/null
@@ -1,407 +0,0 @@
-/*
- * Copyright © 2006-2009 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- *	Dave Airlie <airlied@linux.ie>
- *	Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <drm/drmP.h>
-#include <asm/mrst.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-/* The max/min PWM frequency in BPCR[31:17] - */
-/* The smallest number is 1 (not 0) that can fit in the
- * 15-bit field of the and then*/
-/* shifts to the left by one bit to get the actual 16-bit
- * value that the 15-bits correspond to.*/
-#define MRST_BLC_MAX_PWM_REG_FREQ	    0xFFFF
-#define BRIGHTNESS_MAX_LEVEL 100
-
-/**
- * Sets the power state for the panel.
- */
-static void mrst_lvds_set_power(struct drm_device *dev,
-				struct psb_intel_output *output, bool on)
-{
-	u32 pp_status;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	if (on) {
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-			  POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & (PP_ON | PP_READY)) == PP_READY);
-		dev_priv->is_lvds_on = true;
-		if (dev_priv->ops->lvds_bl_power)
-			dev_priv->ops->lvds_bl_power(dev, true);
-	} else {
-		if (dev_priv->ops->lvds_bl_power)
-			dev_priv->ops->lvds_bl_power(dev, false);
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-			  ~POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while (pp_status & PP_ON);
-		dev_priv->is_lvds_on = false;
-		pm_request_idle(&dev->pdev->dev);
-	}
-	gma_power_end(dev);
-}
-
-static void mrst_lvds_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-
-	if (mode == DRM_MODE_DPMS_ON)
-		mrst_lvds_set_power(dev, output, true);
-	else
-		mrst_lvds_set_power(dev, output, false);
-
-	/* XXX: We never power down the LVDS pairs. */
-}
-
-static void mrst_lvds_mode_set(struct drm_encoder *encoder,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode)
-{
-	struct psb_intel_mode_device *mode_dev =
-				enc_to_psb_intel_output(encoder)->mode_dev;
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 lvds_port;
-	uint64_t v = DRM_MODE_SCALE_FULLSCREEN;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	/*
-	 * The LVDS pin pair will already have been turned on in the
-	 * psb_intel_crtc_mode_set since it has a large impact on the DPLL
-	 * settings.
-	 */
-	lvds_port = (REG_READ(LVDS) &
-		    (~LVDS_PIPEB_SELECT)) |
-		    LVDS_PORT_EN |
-		    LVDS_BORDER_EN;
-
-	/* If the firmware says dither on Moorestown, or the BIOS does
-	   on Oaktrail then enable dithering */
-	if (mode_dev->panel_wants_dither || dev_priv->lvds_dither)
-		lvds_port |= MRST_PANEL_8TO6_DITHER_ENABLE;
-
-	REG_WRITE(LVDS, lvds_port);
-
-	drm_connector_property_get_value(
-		&enc_to_psb_intel_output(encoder)->base,
-		dev->mode_config.scaling_mode_property,
-		&v);
-
-	if (v == DRM_MODE_SCALE_NO_SCALE)
-		REG_WRITE(PFIT_CONTROL, 0);
-	else if (v == DRM_MODE_SCALE_ASPECT) {
-		if ((mode->vdisplay != adjusted_mode->crtc_vdisplay) ||
-		    (mode->hdisplay != adjusted_mode->crtc_hdisplay)) {
-			if ((adjusted_mode->crtc_hdisplay * mode->vdisplay) ==
-			    (mode->hdisplay * adjusted_mode->crtc_vdisplay))
-				REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
-			else if ((adjusted_mode->crtc_hdisplay *
-				mode->vdisplay) > (mode->hdisplay *
-				adjusted_mode->crtc_vdisplay))
-				REG_WRITE(PFIT_CONTROL, PFIT_ENABLE |
-					  PFIT_SCALING_MODE_PILLARBOX);
-			else
-				REG_WRITE(PFIT_CONTROL, PFIT_ENABLE |
-					  PFIT_SCALING_MODE_LETTERBOX);
-		} else
-			REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
-	} else /*(v == DRM_MODE_SCALE_FULLSCREEN)*/
-		REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
-
-	gma_power_end(dev);
-}
-
-static void mrst_lvds_prepare(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-	mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
-					  BACKLIGHT_DUTY_CYCLE_MASK);
-	mrst_lvds_set_power(dev, output, false);
-	gma_power_end(dev);
-}
-
-static u32 mrst_lvds_get_max_backlight(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 ret;
-
-	if (gma_power_begin(dev, false)) {
-		ret = ((REG_READ(BLC_PWM_CTL) &
-			  BACKLIGHT_MODULATION_FREQ_MASK) >>
-			  BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-		gma_power_end(dev);
-	} else
-		ret = ((dev_priv->saveBLC_PWM_CTL &
-			  BACKLIGHT_MODULATION_FREQ_MASK) >>
-			  BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-	return ret;
-}
-
-static void mrst_lvds_commit(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (mode_dev->backlight_duty_cycle == 0)
-		mode_dev->backlight_duty_cycle =
-					mrst_lvds_get_max_backlight(dev);
-	mrst_lvds_set_power(dev, output, true);
-}
-
-static const struct drm_encoder_helper_funcs mrst_lvds_helper_funcs = {
-	.dpms = mrst_lvds_dpms,
-	.mode_fixup = psb_intel_lvds_mode_fixup,
-	.prepare = mrst_lvds_prepare,
-	.mode_set = mrst_lvds_mode_set,
-	.commit = mrst_lvds_commit,
-};
-
-static struct drm_display_mode lvds_configuration_modes[] = {
-	/* hard coded fixed mode for TPO LTPS LPJ040K001A */
-	{ DRM_MODE("800x480",  DRM_MODE_TYPE_DRIVER, 33264, 800, 836,
-		   846, 1056, 0, 480, 489, 491, 525, 0, 0) },
-	/* hard coded fixed mode for LVDS 800x480 */
-	{ DRM_MODE("800x480",  DRM_MODE_TYPE_DRIVER, 30994, 800, 801,
-		   802, 1024, 0, 480, 481, 482, 525, 0, 0) },
-	/* hard coded fixed mode for Samsung 480wsvga LVDS 1024x600@75 */
-	{ DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 53990, 1024, 1072,
-		   1104, 1184, 0, 600, 603, 604, 608, 0, 0) },
-	/* hard coded fixed mode for Samsung 480wsvga LVDS 1024x600@75 */
-	{ DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 53990, 1024, 1104,
-		   1136, 1184, 0, 600, 603, 604, 608, 0, 0) },
-	/* hard coded fixed mode for Sharp wsvga LVDS 1024x600 */
-	{ DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 48885, 1024, 1124,
-		   1204, 1312, 0, 600, 607, 610, 621, 0, 0) },
-	/* hard coded fixed mode for LVDS 1024x768 */
-	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
-		   1184, 1344, 0, 768, 771, 777, 806, 0, 0) },
-	/* hard coded fixed mode for LVDS 1366x768 */
-	{ DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 77500, 1366, 1430,
-		   1558, 1664, 0, 768, 769, 770, 776, 0, 0) },
-};
-
-/* Returns the panel fixed mode from configuration. */
-
-static struct drm_display_mode *
-mrst_lvds_get_configuration_mode(struct drm_device *dev)
-{
-	struct drm_display_mode *mode = NULL;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-
-	if (dev_priv->vbt_data.size != 0x00) { /*if non-zero, then use vbt*/
-		mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-		if (!mode)
-			return NULL;
-
-		mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-		mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-		mode->hsync_start = mode->hdisplay + \
-				((ti->hsync_offset_hi << 8) | \
-				ti->hsync_offset_lo);
-		mode->hsync_end = mode->hsync_start + \
-				((ti->hsync_pulse_width_hi << 8) | \
-				ti->hsync_pulse_width_lo);
-		mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-							ti->hblank_lo);
-		mode->vsync_start = \
-			mode->vdisplay + ((ti->vsync_offset_hi << 4) | \
-						ti->vsync_offset_lo);
-		mode->vsync_end = \
-			mode->vsync_start + ((ti->vsync_pulse_width_hi << 4) | \
-						ti->vsync_pulse_width_lo);
-		mode->vtotal = mode->vdisplay + \
-				((ti->vblank_hi << 8) | ti->vblank_lo);
-		mode->clock = ti->pixel_clock * 10;
-#if 0
-		printk(KERN_INFO "hdisplay is %d\n", mode->hdisplay);
-		printk(KERN_INFO "vdisplay is %d\n", mode->vdisplay);
-		printk(KERN_INFO "HSS is %d\n", mode->hsync_start);
-		printk(KERN_INFO "HSE is %d\n", mode->hsync_end);
-		printk(KERN_INFO "htotal is %d\n", mode->htotal);
-		printk(KERN_INFO "VSS is %d\n", mode->vsync_start);
-		printk(KERN_INFO "VSE is %d\n", mode->vsync_end);
-		printk(KERN_INFO "vtotal is %d\n", mode->vtotal);
-		printk(KERN_INFO "clock is %d\n", mode->clock);
-#endif
-	} else
-		mode = drm_mode_duplicate(dev, &lvds_configuration_modes[2]);
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	return mode;
-}
-
-/**
- * mrst_lvds_init - setup LVDS connectors on this device
- * @dev: drm device
- *
- * Create the connector, register the LVDS DDC bus, and try to figure out what
- * modes we can display on the LVDS panel (if present).
- */
-void mrst_lvds_init(struct drm_device *dev,
-		    struct psb_intel_mode_device *mode_dev)
-{
-	struct psb_intel_output *psb_intel_output;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-	struct drm_psb_private *dev_priv =
-				(struct drm_psb_private *) dev->dev_private;
-	struct edid *edid;
-	int ret = 0;
-	struct i2c_adapter *i2c_adap;
-	struct drm_display_mode *scan;	/* *modes, *bios_mode; */
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	psb_intel_output->mode_dev = mode_dev;
-	connector = &psb_intel_output->base;
-	encoder = &psb_intel_output->enc;
-	dev_priv->is_lvds_on = true;
-	drm_connector_init(dev, &psb_intel_output->base,
-			   &psb_intel_lvds_connector_funcs,
-			   DRM_MODE_CONNECTOR_LVDS);
-
-	drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_lvds_enc_funcs,
-			 DRM_MODE_ENCODER_LVDS);
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-	psb_intel_output->type = INTEL_OUTPUT_LVDS;
-
-	drm_encoder_helper_add(encoder, &mrst_lvds_helper_funcs);
-	drm_connector_helper_add(connector,
-				 &psb_intel_lvds_connector_helper_funcs);
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-
-	drm_connector_attach_property(connector,
-					dev->mode_config.scaling_mode_property,
-					DRM_MODE_SCALE_FULLSCREEN);
-	drm_connector_attach_property(connector,
-					dev_priv->backlight_property,
-					BRIGHTNESS_MAX_LEVEL);
-
-	mode_dev->panel_wants_dither = false;
-	if (dev_priv->vbt_data.size != 0x00)
-		mode_dev->panel_wants_dither = (dev_priv->gct_data.
-			Panel_Port_Control & MRST_PANEL_8TO6_DITHER_ENABLE);
-
-	/*
-	 * LVDS discovery:
-	 * 1) check for EDID on DDC
-	 * 2) check for VBT data
-	 * 3) check to see if LVDS is already on
-	 *    if none of the above, no panel
-	 * 4) make sure lid is open
-	 *    if closed, act like it's not there for now
-	 */
-
-	i2c_adap = i2c_get_adapter(dev_priv->ops->i2c_bus);
-
-	if (i2c_adap == NULL)
-		dev_err(dev->dev, "No ddc adapter available!\n");
-	/*
-	 * Attempt to get the fixed panel mode from DDC.  Assume that the
-	 * preferred mode is the right one.
-	 */
-	if (i2c_adap) {
-		edid = drm_get_edid(connector, i2c_adap);
-		if (edid) {
-			drm_mode_connector_update_edid_property(connector,
-									edid);
-			ret = drm_add_edid_modes(connector, edid);
-			kfree(edid);
-		}
-
-		list_for_each_entry(scan, &connector->probed_modes, head) {
-			if (scan->type & DRM_MODE_TYPE_PREFERRED) {
-				mode_dev->panel_fixed_mode =
-				    drm_mode_duplicate(dev, scan);
-				goto out;	/* FIXME: check for quirks */
-			}
-		}
-	}
-	/*
-	 * If we didn't get EDID, try geting panel timing
-	 * from configuration data
-	 */
-	mode_dev->panel_fixed_mode = mrst_lvds_get_configuration_mode(dev);
-
-	if (mode_dev->panel_fixed_mode) {
-		mode_dev->panel_fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
-		goto out;	/* FIXME: check for quirks */
-	}
-
-	/* If we still don't have a mode after all that, give up. */
-	if (!mode_dev->panel_fixed_mode) {
-		dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n");
-		goto failed_find;
-	}
-
-out:
-	drm_sysfs_connector_add(connector);
-	return;
-
-failed_find:
-	dev_dbg(dev->dev, "No LVDS modes found, disabling.\n");
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-
-/* failed_ddc: */
-
-	drm_encoder_cleanup(encoder);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
diff --git a/drivers/staging/gma500/power.c b/drivers/staging/gma500/power.c
deleted file mode 100644
index 408257038335..000000000000
--- a/drivers/staging/gma500/power.c
+++ /dev/null
@@ -1,318 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Authors:
- *    Benjamin Defnet <benjamin.r.defnet@intel.com>
- *    Rajesh Poornachandran <rajesh.poornachandran@intel.com>
- * Massively reworked
- *    Alan Cox <alan@linux.intel.com>
- */
-
-#include "power.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include <linux/mutex.h>
-#include <linux/pm_runtime.h>
-
-static struct mutex power_mutex;	/* Serialize power ops */
-static spinlock_t power_ctrl_lock;	/* Serialize power claim */
-
-/**
- *	gma_power_init		-	initialise power manager
- *	@dev: our device
- *
- *	Set up for power management tracking of our hardware.
- */
-void gma_power_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/* FIXME: Move APM/OSPM base into relevant device code */
-	dev_priv->apm_base = dev_priv->apm_reg & 0xffff;
-	dev_priv->ospm_base &= 0xffff;
-
-	dev_priv->display_power = true;	/* We start active */
-	dev_priv->display_count = 0;	/* Currently no users */
-	dev_priv->suspended = false;	/* And not suspended */
-	spin_lock_init(&power_ctrl_lock);
-	mutex_init(&power_mutex);
-
-	dev_priv->ops->init_pm(dev);
-}
-
-/**
- *	gma_power_uninit	-	end power manager
- *	@dev: device to end for
- *
- *	Undo the effects of gma_power_init
- */
-void gma_power_uninit(struct drm_device *dev)
-{
-	pm_runtime_disable(&dev->pdev->dev);
-	pm_runtime_set_suspended(&dev->pdev->dev);
-}
-
-/**
- *	gma_suspend_display	-	suspend the display logic
- *	@dev: our DRM device
- *
- *	Suspend the display logic of the graphics interface
- */
-static void gma_suspend_display(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (!dev_priv->display_power)
-		return;
-	dev_priv->ops->save_regs(dev);
-	dev_priv->ops->power_down(dev);
-	dev_priv->display_power = false;
-}
-
-/**
- *	gma_resume_display	-	resume display side logic
- *
- *	Resume the display hardware restoring state and enabling
- *	as necessary.
- */
-static void gma_resume_display(struct pci_dev *pdev)
-{
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (dev_priv->display_power)
-		return;
-
-	/* turn on the display power island */
-	dev_priv->ops->power_up(dev);
-	dev_priv->suspended = false;
-	dev_priv->display_power = true;
-
-	PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL);
-	pci_write_config_word(pdev, PSB_GMCH_CTRL,
-			dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED);
-	dev_priv->ops->restore_regs(dev);
-}
-
-/**
- *	gma_suspend_pci		-	suspend PCI side
- *	@pdev: PCI device
- *
- *	Perform the suspend processing on our PCI device state
- */
-static void gma_suspend_pci(struct pci_dev *pdev)
-{
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int bsm, vbt;
-
-	if (dev_priv->suspended)
-		return;
-
-	pci_save_state(pdev);
-	pci_read_config_dword(pdev, 0x5C, &bsm);
-	dev_priv->saveBSM = bsm;
-	pci_read_config_dword(pdev, 0xFC, &vbt);
-	dev_priv->saveVBT = vbt;
-	pci_read_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, &dev_priv->msi_addr);
-	pci_read_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, &dev_priv->msi_data);
-
-	pci_disable_device(pdev);
-	pci_set_power_state(pdev, PCI_D3hot);
-
-	dev_priv->suspended = true;
-}
-
-/**
- *	gma_resume_pci		-	resume helper
- *	@dev: our PCI device
- *
- *	Perform the resume processing on our PCI device state - rewrite
- *	register state and re-enable the PCI device
- */
-static bool gma_resume_pci(struct pci_dev *pdev)
-{
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int ret;
-
-	if (!dev_priv->suspended)
-		return true;
-
-	pci_set_power_state(pdev, PCI_D0);
-	pci_restore_state(pdev);
-	pci_write_config_dword(pdev, 0x5c, dev_priv->saveBSM);
-	pci_write_config_dword(pdev, 0xFC, dev_priv->saveVBT);
-	/* restoring MSI address and data in PCIx space */
-	pci_write_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, dev_priv->msi_addr);
-	pci_write_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, dev_priv->msi_data);
-	ret = pci_enable_device(pdev);
-
-	if (ret != 0)
-		dev_err(&pdev->dev, "pci_enable failed: %d\n", ret);
-	else
-		dev_priv->suspended = false;
-	return !dev_priv->suspended;
-}
-
-/**
- *	gma_power_suspend		-	bus callback for suspend
- *	@pdev: our PCI device
- *	@state: suspend type
- *
- *	Called back by the PCI layer during a suspend of the system. We
- *	perform the necessary shut down steps and save enough state that
- *	we can undo this when resume is called.
- */
-int gma_power_suspend(struct device *_dev)
-{
-	struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev);
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	mutex_lock(&power_mutex);
-	if (!dev_priv->suspended) {
-		if (dev_priv->display_count) {
-			mutex_unlock(&power_mutex);
-			return -EBUSY;
-		}
-		psb_irq_uninstall(dev);
-		gma_suspend_display(dev);
-		gma_suspend_pci(pdev);
-	}
-	mutex_unlock(&power_mutex);
-	return 0;
-}
-
-/**
- *	gma_power_resume		-	resume power
- *	@pdev: PCI device
- *
- *	Resume the PCI side of the graphics and then the displays
- */
-int gma_power_resume(struct device *_dev)
-{
-	struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev);
-	struct drm_device *dev = pci_get_drvdata(pdev);
-
-	mutex_lock(&power_mutex);
-	gma_resume_pci(pdev);
-	gma_resume_display(pdev);
-	psb_irq_preinstall(dev);
-	psb_irq_postinstall(dev);
-	mutex_unlock(&power_mutex);
-	return 0;
-}
-
-/**
- *	gma_power_is_on		-	returne true if power is on
- *	@dev: our DRM device
- *
- *	Returns true if the display island power is on at this moment
- */
-bool gma_power_is_on(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	return dev_priv->display_power;
-}
-
-/**
- *	gma_power_begin		-	begin requiring power
- *	@dev: our DRM device
- *	@force_on: true to force power on
- *
- *	Begin an action that requires the display power island is enabled.
- *	We refcount the islands.
- */
-bool gma_power_begin(struct drm_device *dev, bool force_on)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int ret;
-	unsigned long flags;
-
-	spin_lock_irqsave(&power_ctrl_lock, flags);
-	/* Power already on ? */
-	if (dev_priv->display_power) {
-		dev_priv->display_count++;
-		pm_runtime_get(&dev->pdev->dev);
-		spin_unlock_irqrestore(&power_ctrl_lock, flags);
-		return true;
-	}
-	if (force_on == false)
-		goto out_false;
-
-	/* Ok power up needed */
-	ret = gma_resume_pci(dev->pdev);
-	if (ret == 0) {
-		/* FIXME: we want to defer this for Medfield/Oaktrail */
-		gma_resume_display(dev->pdev);
-		psb_irq_preinstall(dev);
-		psb_irq_postinstall(dev);
-		pm_runtime_get(&dev->pdev->dev);
-		dev_priv->display_count++;
-		spin_unlock_irqrestore(&power_ctrl_lock, flags);
-		return true;
-	}
-out_false:
-	spin_unlock_irqrestore(&power_ctrl_lock, flags);
-	return false;
-}
-
-/**
- *	gma_power_end		-	end use of power
- *	@dev: Our DRM device
- *
- *	Indicate that one of our gma_power_begin() requested periods when
- *	the diplay island power is needed has completed.
- */
-void gma_power_end(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long flags;
-	spin_lock_irqsave(&power_ctrl_lock, flags);
-	dev_priv->display_count--;
-	WARN_ON(dev_priv->display_count < 0);
-	spin_unlock_irqrestore(&power_ctrl_lock, flags);
-	pm_runtime_put(&dev->pdev->dev);
-}
-
-int psb_runtime_suspend(struct device *dev)
-{
-	return gma_power_suspend(dev);
-}
-
-int psb_runtime_resume(struct device *dev)
-{
-	return gma_power_resume(dev);;
-}
-
-int psb_runtime_idle(struct device *dev)
-{
-	struct drm_device *drmdev = pci_get_drvdata(to_pci_dev(dev));
-	struct drm_psb_private *dev_priv = drmdev->dev_private;
-	if (dev_priv->display_count)
-		return 0;
-	else
-		return 1;
-}
diff --git a/drivers/staging/gma500/power.h b/drivers/staging/gma500/power.h
deleted file mode 100644
index 1969d2ecb328..000000000000
--- a/drivers/staging/gma500/power.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
- * All Rights Reserved.
-
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Authors:
- *    Benjamin Defnet <benjamin.r.defnet@intel.com>
- *    Rajesh Poornachandran <rajesh.poornachandran@intel.com>
- * Massively reworked
- *    Alan Cox <alan@linux.intel.com>
- */
-#ifndef _PSB_POWERMGMT_H_
-#define _PSB_POWERMGMT_H_
-
-#include <linux/pci.h>
-#include <drm/drmP.h>
-
-void gma_power_init(struct drm_device *dev);
-void gma_power_uninit(struct drm_device *dev);
-
-/*
- * The kernel bus power management  will call these functions
- */
-int gma_power_suspend(struct device *dev);
-int gma_power_resume(struct device *dev);
-
-/*
- * These are the functions the driver should use to wrap all hw access
- * (i.e. register reads and writes)
- */
-bool gma_power_begin(struct drm_device *dev, bool force);
-void gma_power_end(struct drm_device *dev);
-
-/*
- * Use this function to do an instantaneous check for if the hw is on.
- * Only use this in cases where you know the mutex is already held such
- * as in irq install/uninstall and you need to
- * prevent a deadlock situation.  Otherwise use gma_power_begin().
- */
-bool gma_power_is_on(struct drm_device *dev);
-
-/*
- * GFX-Runtime PM callbacks
- */
-int psb_runtime_suspend(struct device *dev);
-int psb_runtime_resume(struct device *dev);
-int psb_runtime_idle(struct device *dev);
-
-#endif /*_PSB_POWERMGMT_H_*/
diff --git a/drivers/staging/gma500/psb_device.c b/drivers/staging/gma500/psb_device.c
deleted file mode 100644
index b97aa78519f2..000000000000
--- a/drivers/staging/gma500/psb_device.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-
-
-static int psb_output_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	psb_intel_lvds_init(dev, &dev_priv->mode_dev);
-	psb_intel_sdvo_init(dev, SDVOB);
-	return 0;
-}
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-/*
- *	Poulsbo Backlight Interfaces
- */
-
-#define BLC_PWM_PRECISION_FACTOR 100	/* 10000000 */
-#define BLC_PWM_FREQ_CALC_CONSTANT 32
-#define MHz 1000000
-
-#define PSB_BLC_PWM_PRECISION_FACTOR    10
-#define PSB_BLC_MAX_PWM_REG_FREQ        0xFFFE
-#define PSB_BLC_MIN_PWM_REG_FREQ        0x2
-
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT	(16)
-
-static int psb_brightness;
-static struct backlight_device *psb_backlight_device;
-
-static int psb_get_brightness(struct backlight_device *bd)
-{
-	/* return locally cached var instead of HW read (due to DPST etc.) */
-	/* FIXME: ideally return actual value in case firmware fiddled with
-	   it */
-	return psb_brightness;
-}
-
-
-static int psb_backlight_setup(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long core_clock;
-	/* u32 bl_max_freq; */
-	/* unsigned long value; */
-	u16 bl_max_freq;
-	uint32_t value;
-	uint32_t blc_pwm_precision_factor;
-
-	/* get bl_max_freq and pol from dev_priv*/
-	if (!dev_priv->lvds_bl) {
-		dev_err(dev->dev, "Has no valid LVDS backlight info\n");
-		return -ENOENT;
-	}
-	bl_max_freq = dev_priv->lvds_bl->freq;
-	blc_pwm_precision_factor = PSB_BLC_PWM_PRECISION_FACTOR;
-
-	core_clock = dev_priv->core_freq;
-
-	value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
-	value *= blc_pwm_precision_factor;
-	value /= bl_max_freq;
-	value /= blc_pwm_precision_factor;
-
-	if (value > (unsigned long long)PSB_BLC_MAX_PWM_REG_FREQ ||
-		 value < (unsigned long long)PSB_BLC_MIN_PWM_REG_FREQ)
-				return -ERANGE;
-	else {
-		value &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
-		REG_WRITE(BLC_PWM_CTL,
-			(value << PSB_BACKLIGHT_PWM_CTL_SHIFT) | (value));
-	}
-	return 0;
-}
-
-static int psb_set_brightness(struct backlight_device *bd)
-{
-	struct drm_device *dev = bl_get_data(psb_backlight_device);
-	int level = bd->props.brightness;
-
-	/* Percentage 1-100% being valid */
-	if (level < 1)
-		level = 1;
-
-	psb_intel_lvds_set_brightness(dev, level);
-	psb_brightness = level;
-	return 0;
-}
-
-static const struct backlight_ops psb_ops = {
-	.get_brightness = psb_get_brightness,
-	.update_status  = psb_set_brightness,
-};
-
-static int psb_backlight_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	int ret;
-	struct backlight_properties props;
-
-	memset(&props, 0, sizeof(struct backlight_properties));
-	props.max_brightness = 100;
-	props.type = BACKLIGHT_PLATFORM;
-
-	psb_backlight_device = backlight_device_register("psb-bl",
-					NULL, (void *)dev, &psb_ops, &props);
-	if (IS_ERR(psb_backlight_device))
-		return PTR_ERR(psb_backlight_device);
-
-	ret = psb_backlight_setup(dev);
-	if (ret < 0) {
-		backlight_device_unregister(psb_backlight_device);
-		psb_backlight_device = NULL;
-		return ret;
-	}
-	psb_backlight_device->props.brightness = 100;
-	psb_backlight_device->props.max_brightness = 100;
-	backlight_update_status(psb_backlight_device);
-	dev_priv->backlight_device = psb_backlight_device;
-	return 0;
-}
-
-#endif
-
-/*
- *	Provide the Poulsbo specific chip logic and low level methods
- *	for power management
- */
-
-static void psb_init_pm(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	u32 gating = PSB_RSGX32(PSB_CR_CLKGATECTL);
-	gating &= ~3;	/* Disable 2D clock gating */
-	gating |= 1;
-	PSB_WSGX32(gating, PSB_CR_CLKGATECTL);
-	PSB_RSGX32(PSB_CR_CLKGATECTL);
-}
-
-/**
- *	psb_save_display_registers	-	save registers lost on suspend
- *	@dev: our DRM device
- *
- *	Save the state we need in order to be able to restore the interface
- *	upon resume from suspend
- */
-static int psb_save_display_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_crtc *crtc;
-	struct drm_connector *connector;
-
-	/* Display arbitration control + watermarks */
-	dev_priv->saveDSPARB = PSB_RVDC32(DSPARB);
-	dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1);
-	dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2);
-	dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3);
-	dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4);
-	dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5);
-	dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6);
-	dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
-
-	/* Save crtc and output state */
-	mutex_lock(&dev->mode_config.mutex);
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		if (drm_helper_crtc_in_use(crtc))
-			crtc->funcs->save(crtc);
-	}
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head)
-		connector->funcs->save(connector);
-
-	mutex_unlock(&dev->mode_config.mutex);
-	return 0;
-}
-
-/**
- *	psb_restore_display_registers	-	restore lost register state
- *	@dev: our DRM device
- *
- *	Restore register state that was lost during suspend and resume.
- */
-static int psb_restore_display_registers(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_crtc *crtc;
-	struct drm_connector *connector;
-
-	/* Display arbitration + watermarks */
-	PSB_WVDC32(dev_priv->saveDSPARB, DSPARB);
-	PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1);
-	PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2);
-	PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3);
-	PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4);
-	PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5);
-	PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6);
-	PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT);
-
-	/*make sure VGA plane is off. it initializes to on after reset!*/
-	PSB_WVDC32(0x80000000, VGACNTRL);
-
-	mutex_lock(&dev->mode_config.mutex);
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
-		if (drm_helper_crtc_in_use(crtc))
-			crtc->funcs->restore(crtc);
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head)
-		connector->funcs->restore(connector);
-
-	mutex_unlock(&dev->mode_config.mutex);
-	return 0;
-}
-
-static int psb_power_down(struct drm_device *dev)
-{
-	return 0;
-}
-
-static int psb_power_up(struct drm_device *dev)
-{
-	return 0;
-}
-
-static void psb_get_core_freq(struct drm_device *dev)
-{
-	uint32_t clock;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/*pci_write_config_dword(pci_root, 0xD4, 0x00C32004);*/
-	/*pci_write_config_dword(pci_root, 0xD0, 0xE0033000);*/
-
-	pci_write_config_dword(pci_root, 0xD0, 0xD0050300);
-	pci_read_config_dword(pci_root, 0xD4, &clock);
-	pci_dev_put(pci_root);
-
-	switch (clock & 0x07) {
-	case 0:
-		dev_priv->core_freq = 100;
-		break;
-	case 1:
-		dev_priv->core_freq = 133;
-		break;
-	case 2:
-		dev_priv->core_freq = 150;
-		break;
-	case 3:
-		dev_priv->core_freq = 178;
-		break;
-	case 4:
-		dev_priv->core_freq = 200;
-		break;
-	case 5:
-	case 6:
-	case 7:
-		dev_priv->core_freq = 266;
-	default:
-		dev_priv->core_freq = 0;
-	}
-}
-
-static int psb_chip_setup(struct drm_device *dev)
-{
-	psb_get_core_freq(dev);
-	gma_intel_opregion_init(dev);
-	psb_intel_init_bios(dev);
-	return 0;
-}
-
-const struct psb_ops psb_chip_ops = {
-	.name = "Poulsbo",
-	.accel_2d = 1,
-	.pipes = 2,
-	.crtcs = 2,
-	.sgx_offset = PSB_SGX_OFFSET,
-	.chip_setup = psb_chip_setup,
-
-	.crtc_helper = &psb_intel_helper_funcs,
-	.crtc_funcs = &psb_intel_crtc_funcs,
-
-	.output_init = psb_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	.backlight_init = psb_backlight_init,
-#endif
-
-	.init_pm = psb_init_pm,
-	.save_regs = psb_save_display_registers,
-	.restore_regs = psb_restore_display_registers,
-	.power_down = psb_power_down,
-	.power_up = psb_power_up,
-};
-
diff --git a/drivers/staging/gma500/psb_drm.h b/drivers/staging/gma500/psb_drm.h
deleted file mode 100644
index 0da846835688..000000000000
--- a/drivers/staging/gma500/psb_drm.h
+++ /dev/null
@@ -1,219 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- * Copyright (c) 2008, Tungsten Graphics Inc.  Cedar Park, TX., USA.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#ifndef _PSB_DRM_H_
-#define _PSB_DRM_H_
-
-#define PSB_NUM_PIPE 3
-
-#define PSB_GPU_ACCESS_READ         (1ULL << 32)
-#define PSB_GPU_ACCESS_WRITE        (1ULL << 33)
-#define PSB_GPU_ACCESS_MASK         (PSB_GPU_ACCESS_READ | PSB_GPU_ACCESS_WRITE)
-
-#define PSB_BO_FLAG_COMMAND         (1ULL << 52)
-
-/*
- * Feedback components:
- */
-
-struct drm_psb_sizes_arg {
-	u32 ta_mem_size;
-	u32 mmu_size;
-	u32 pds_size;
-	u32 rastgeom_size;
-	u32 tt_size;
-	u32 vram_size;
-};
-
-struct drm_psb_dpst_lut_arg {
-	uint8_t lut[256];
-	int output_id;
-};
-
-#define PSB_DC_CRTC_SAVE 0x01
-#define PSB_DC_CRTC_RESTORE 0x02
-#define PSB_DC_OUTPUT_SAVE 0x04
-#define PSB_DC_OUTPUT_RESTORE 0x08
-#define PSB_DC_CRTC_MASK 0x03
-#define PSB_DC_OUTPUT_MASK 0x0C
-
-struct drm_psb_dc_state_arg {
-	u32 flags;
-	u32 obj_id;
-};
-
-struct drm_psb_mode_operation_arg {
-	u32 obj_id;
-	u16 operation;
-	struct drm_mode_modeinfo mode;
-	void *data;
-};
-
-struct drm_psb_stolen_memory_arg {
-	u32 base;
-	u32 size;
-};
-
-/*Display Register Bits*/
-#define REGRWBITS_PFIT_CONTROLS			(1 << 0)
-#define REGRWBITS_PFIT_AUTOSCALE_RATIOS		(1 << 1)
-#define REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS	(1 << 2)
-#define REGRWBITS_PIPEASRC			(1 << 3)
-#define REGRWBITS_PIPEBSRC			(1 << 4)
-#define REGRWBITS_VTOTAL_A			(1 << 5)
-#define REGRWBITS_VTOTAL_B			(1 << 6)
-#define REGRWBITS_DSPACNTR	(1 << 8)
-#define REGRWBITS_DSPBCNTR	(1 << 9)
-#define REGRWBITS_DSPCCNTR	(1 << 10)
-
-/*Overlay Register Bits*/
-#define OV_REGRWBITS_OVADD			(1 << 0)
-#define OV_REGRWBITS_OGAM_ALL			(1 << 1)
-
-#define OVC_REGRWBITS_OVADD                  (1 << 2)
-#define OVC_REGRWBITS_OGAM_ALL			(1 << 3)
-
-struct drm_psb_register_rw_arg {
-	u32 b_force_hw_on;
-
-	u32 display_read_mask;
-	u32 display_write_mask;
-
-	struct {
-		u32 pfit_controls;
-		u32 pfit_autoscale_ratios;
-		u32 pfit_programmed_scale_ratios;
-		u32 pipeasrc;
-		u32 pipebsrc;
-		u32 vtotal_a;
-		u32 vtotal_b;
-	} display;
-
-	u32 overlay_read_mask;
-	u32 overlay_write_mask;
-
-	struct {
-		u32 OVADD;
-		u32 OGAMC0;
-		u32 OGAMC1;
-		u32 OGAMC2;
-		u32 OGAMC3;
-		u32 OGAMC4;
-		u32 OGAMC5;
-		u32 IEP_ENABLED;
-		u32 IEP_BLE_MINMAX;
-		u32 IEP_BSSCC_CONTROL;
-		u32 b_wait_vblank;
-	} overlay;
-
-	u32 sprite_enable_mask;
-	u32 sprite_disable_mask;
-
-	struct {
-		u32 dspa_control;
-		u32 dspa_key_value;
-		u32 dspa_key_mask;
-		u32 dspc_control;
-		u32 dspc_stride;
-		u32 dspc_position;
-		u32 dspc_linear_offset;
-		u32 dspc_size;
-		u32 dspc_surface;
-	} sprite;
-
-	u32 subpicture_enable_mask;
-	u32 subpicture_disable_mask;
-};
-
-/* Controlling the kernel modesetting buffers */
-
-#define DRM_PSB_SIZES           0x07
-#define DRM_PSB_FUSE_REG	0x08
-#define DRM_PSB_DC_STATE	0x0A
-#define DRM_PSB_ADB		0x0B
-#define DRM_PSB_MODE_OPERATION	0x0C
-#define DRM_PSB_STOLEN_MEMORY	0x0D
-#define DRM_PSB_REGISTER_RW	0x0E
-
-/*
- * NOTE: Add new commands here, but increment
- * the values below and increment their
- * corresponding defines where they're
- * defined elsewhere.
- */
-
-#define DRM_PSB_GEM_CREATE	0x10
-#define DRM_PSB_2D_OP		0x11
-#define DRM_PSB_GEM_MMAP	0x12
-#define DRM_PSB_DPST		0x1B
-#define DRM_PSB_GAMMA		0x1C
-#define DRM_PSB_DPST_BL		0x1D
-#define DRM_PSB_GET_PIPE_FROM_CRTC_ID 0x1F
-
-#define PSB_MODE_OPERATION_MODE_VALID	0x01
-#define PSB_MODE_OPERATION_SET_DC_BASE  0x02
-
-struct drm_psb_get_pipe_from_crtc_id_arg {
-	/** ID of CRTC being requested **/
-	u32 crtc_id;
-
-	/** pipe of requested CRTC **/
-	u32 pipe;
-};
-
-/* FIXME: move this into a medfield header once we are sure it isn't needed for an
-   ioctl  */
-struct psb_drm_dpu_rect {  
-	int x, y;             
-	int width, height;    
-};  
-
-struct drm_psb_gem_create {
-	__u64 size;
-	__u32 handle;
-	__u32 flags;
-#define PSB_GEM_CREATE_STOLEN		1	/* Stolen memory can be used */
-};
-
-#define PSB_2D_OP_BUFLEN		16
-
-struct drm_psb_2d_op {
-	__u32 src;		/* Handles, only src supported right now */
-	__u32 dst;
-	__u32 mask;
-	__u32 pat;
-	__u32 size;		/* In dwords of command */
-	__u32 spare;		/* And bumps array to u64 align */
-	__u32 cmd[PSB_2D_OP_BUFLEN];
-};
-
-struct drm_psb_gem_mmap {
-	__u32 handle;
-	__u32 pad;
-	/**
-	 * Fake offset to use for subsequent mmap call
-	 *
-	 * This is a fixed-size type for 32/64 compatibility.
-	 */
-	__u64 offset;
-};
-
-#endif
diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c
deleted file mode 100644
index 95816808f867..000000000000
--- a/drivers/staging/gma500/psb_drv.c
+++ /dev/null
@@ -1,1230 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "framebuffer.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-#include "mid_bios.h"
-#include "mdfld_dsi_dbi.h"
-#include <drm/drm_pciids.h>
-#include "power.h"
-#include <linux/cpu.h>
-#include <linux/notifier.h>
-#include <linux/spinlock.h>
-#include <linux/pm_runtime.h>
-#include <linux/module.h>
-#include <acpi/video.h>
-
-static int drm_psb_trap_pagefaults;
-
-int drm_psb_no_fb;
-
-static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
-
-MODULE_PARM_DESC(no_fb, "Disable FBdev");
-MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults");
-module_param_named(no_fb, drm_psb_no_fb, int, 0600);
-module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600);
-
-
-static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
-	{ 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
-	{ 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
-#if defined(CONFIG_DRM_PSB_MRST)
-	{ 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-	{ 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-#endif
-#if defined(CONFIG_DRM_PSB_MFLD)
-	{ 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-	{ 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-#endif
-#if defined(CONFIG_DRM_PSB_CDV)
-	{ 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-	{ 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-#endif
-	{ 0, 0, 0}
-};
-MODULE_DEVICE_TABLE(pci, pciidlist);
-
-/*
- * Standard IOCTLs.
- */
-
-#define DRM_IOCTL_PSB_SIZES	\
-		DRM_IOR(DRM_PSB_SIZES + DRM_COMMAND_BASE, \
-			struct drm_psb_sizes_arg)
-#define DRM_IOCTL_PSB_FUSE_REG	\
-		DRM_IOWR(DRM_PSB_FUSE_REG + DRM_COMMAND_BASE, uint32_t)
-#define DRM_IOCTL_PSB_DC_STATE	\
-		DRM_IOW(DRM_PSB_DC_STATE + DRM_COMMAND_BASE, \
-			struct drm_psb_dc_state_arg)
-#define DRM_IOCTL_PSB_ADB	\
-		DRM_IOWR(DRM_PSB_ADB + DRM_COMMAND_BASE, uint32_t)
-#define DRM_IOCTL_PSB_MODE_OPERATION	\
-		DRM_IOWR(DRM_PSB_MODE_OPERATION + DRM_COMMAND_BASE, \
-			 struct drm_psb_mode_operation_arg)
-#define DRM_IOCTL_PSB_STOLEN_MEMORY	\
-		DRM_IOWR(DRM_PSB_STOLEN_MEMORY + DRM_COMMAND_BASE, \
-			 struct drm_psb_stolen_memory_arg)
-#define DRM_IOCTL_PSB_REGISTER_RW	\
-		DRM_IOWR(DRM_PSB_REGISTER_RW + DRM_COMMAND_BASE, \
-			 struct drm_psb_register_rw_arg)
-#define DRM_IOCTL_PSB_DPST	\
-		DRM_IOWR(DRM_PSB_DPST + DRM_COMMAND_BASE, \
-			 uint32_t)
-#define DRM_IOCTL_PSB_GAMMA	\
-		DRM_IOWR(DRM_PSB_GAMMA + DRM_COMMAND_BASE, \
-			 struct drm_psb_dpst_lut_arg)
-#define DRM_IOCTL_PSB_DPST_BL	\
-		DRM_IOWR(DRM_PSB_DPST_BL + DRM_COMMAND_BASE, \
-			 uint32_t)
-#define DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID	\
-		DRM_IOWR(DRM_PSB_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
-			 struct drm_psb_get_pipe_from_crtc_id_arg)
-#define DRM_IOCTL_PSB_GEM_CREATE	\
-		DRM_IOWR(DRM_PSB_GEM_CREATE + DRM_COMMAND_BASE, \
-			 struct drm_psb_gem_create)
-#define DRM_IOCTL_PSB_2D_OP	\
-		DRM_IOW(DRM_PSB_2D_OP + DRM_COMMAND_BASE, \
-			 struct drm_psb_2d_op)
-#define DRM_IOCTL_PSB_GEM_MMAP	\
-		DRM_IOWR(DRM_PSB_GEM_MMAP + DRM_COMMAND_BASE, \
-			 struct drm_psb_gem_mmap)
-
-static int psb_sizes_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv);
-static int psb_dc_state_ioctl(struct drm_device *dev, void * data,
-			      struct drm_file *file_priv);
-static int psb_adb_ioctl(struct drm_device *dev, void *data,
-			 struct drm_file *file_priv);
-static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
-				    struct drm_file *file_priv);
-static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
-				   struct drm_file *file_priv);
-static int psb_register_rw_ioctl(struct drm_device *dev, void *data,
-				 struct drm_file *file_priv);
-static int psb_dpst_ioctl(struct drm_device *dev, void *data,
-			  struct drm_file *file_priv);
-static int psb_gamma_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv);
-static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
-			     struct drm_file *file_priv);
-
-#define PSB_IOCTL_DEF(ioctl, func, flags) \
-	[DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func}
-
-static struct drm_ioctl_desc psb_ioctls[] = {
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_SIZES, psb_sizes_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_DC_STATE, psb_dc_state_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_ADB, psb_adb_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_MODE_OPERATION, psb_mode_operation_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_STOLEN_MEMORY, psb_stolen_memory_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_REGISTER_RW, psb_register_rw_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST, psb_dpst_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GAMMA, psb_gamma_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID,
-					psb_intel_get_pipe_from_crtc_id, 0),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_CREATE, psb_gem_create_ioctl,
-						DRM_UNLOCKED | DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_2D_OP, psb_accel_ioctl,
-						DRM_UNLOCKED| DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_MMAP, psb_gem_mmap_ioctl,
-						DRM_UNLOCKED | DRM_AUTH),
-};
-
-static void psb_lastclose(struct drm_device *dev)
-{
-	return;
-}
-
-static void psb_do_takedown(struct drm_device *dev)
-{
-}
-
-static int psb_do_init(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_gtt *pg = &dev_priv->gtt;
-
-	uint32_t stolen_gtt;
-
-	int ret = -ENOMEM;
-
-	if (pg->mmu_gatt_start & 0x0FFFFFFF) {
-		dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
-		ret = -EINVAL;
-		goto out_err;
-	}
-
-
-	stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
-	stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
-	stolen_gtt =
-	    (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
-
-	dev_priv->gatt_free_offset = pg->mmu_gatt_start +
-	    (stolen_gtt << PAGE_SHIFT) * 1024;
-
-	if (1 || drm_debug) {
-		uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID);
-		uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION);
-		DRM_INFO("SGX core id = 0x%08x\n", core_id);
-		DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n",
-			 (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >>
-			 _PSB_CC_REVISION_MAJOR_SHIFT,
-			 (core_rev & _PSB_CC_REVISION_MINOR_MASK) >>
-			 _PSB_CC_REVISION_MINOR_SHIFT);
-		DRM_INFO
-		    ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n",
-		     (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >>
-		     _PSB_CC_REVISION_MAINTENANCE_SHIFT,
-		     (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >>
-		     _PSB_CC_REVISION_DESIGNER_SHIFT);
-	}
-
-
-	spin_lock_init(&dev_priv->irqmask_lock);
-	spin_lock_init(&dev_priv->lock_2d);
-
-	PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
-	PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
-	PSB_RSGX32(PSB_CR_BIF_BANK1);
-	PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
-							PSB_CR_BIF_CTRL);
-	psb_spank(dev_priv);
-
-	/* mmu_gatt ?? */
-	PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
-	return 0;
-out_err:
-	psb_do_takedown(dev);
-	return ret;
-}
-
-static int psb_driver_unload(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	/* Kill vblank etc here */
-
-	gma_backlight_exit(dev);
-
-	if (drm_psb_no_fb == 0)
-		psb_modeset_cleanup(dev);
-
-	if (dev_priv) {
-		psb_lid_timer_takedown(dev_priv);
-		gma_intel_opregion_exit(dev);
-
-		if (dev_priv->ops->chip_teardown)
-			dev_priv->ops->chip_teardown(dev);
-		psb_do_takedown(dev);
-
-
-		if (dev_priv->pf_pd) {
-			psb_mmu_free_pagedir(dev_priv->pf_pd);
-			dev_priv->pf_pd = NULL;
-		}
-		if (dev_priv->mmu) {
-			struct psb_gtt *pg = &dev_priv->gtt;
-
-			down_read(&pg->sem);
-			psb_mmu_remove_pfn_sequence(
-				psb_mmu_get_default_pd
-				(dev_priv->mmu),
-				pg->mmu_gatt_start,
-				dev_priv->vram_stolen_size >> PAGE_SHIFT);
-			up_read(&pg->sem);
-			psb_mmu_driver_takedown(dev_priv->mmu);
-			dev_priv->mmu = NULL;
-		}
-		psb_gtt_takedown(dev);
-		if (dev_priv->scratch_page) {
-			__free_page(dev_priv->scratch_page);
-			dev_priv->scratch_page = NULL;
-		}
-		if (dev_priv->vdc_reg) {
-			iounmap(dev_priv->vdc_reg);
-			dev_priv->vdc_reg = NULL;
-		}
-		if (dev_priv->sgx_reg) {
-			iounmap(dev_priv->sgx_reg);
-			dev_priv->sgx_reg = NULL;
-		}
-
-		kfree(dev_priv);
-		dev->dev_private = NULL;
-
-		/*destroy VBT data*/
-		psb_intel_destroy_bios(dev);
-	}
-
-	gma_power_uninit(dev);
-
-	return 0;
-}
-
-
-static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
-{
-	struct drm_psb_private *dev_priv;
-	unsigned long resource_start;
-	struct psb_gtt *pg;
-	unsigned long irqflags;
-	int ret = -ENOMEM;
-	uint32_t tt_pages;
-	struct drm_connector *connector;
-	struct psb_intel_output *psb_intel_output;
-
-	dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
-	if (dev_priv == NULL)
-		return -ENOMEM;
-
-	dev_priv->ops = (struct psb_ops *)chipset;
-	dev_priv->dev = dev;
-	dev->dev_private = (void *) dev_priv;
-
-	if (!IS_PSB(dev)) {
-		if (pci_enable_msi(dev->pdev))
-			dev_warn(dev->dev, "Enabling MSI failed!\n");
-	}
-
-	dev_priv->num_pipe = dev_priv->ops->pipes;
-
-	resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
-
-	dev_priv->vdc_reg =
-	    ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
-	if (!dev_priv->vdc_reg)
-		goto out_err;
-
-	dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
-							PSB_SGX_SIZE);
-	if (!dev_priv->sgx_reg)
-		goto out_err;
-
-	ret = dev_priv->ops->chip_setup(dev);
-	if (ret)
-		goto out_err;
-
-	/* Init OSPM support */
-	gma_power_init(dev);
-
-	ret = -ENOMEM;
-
-	dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
-	if (!dev_priv->scratch_page)
-		goto out_err;
-
-	set_pages_uc(dev_priv->scratch_page, 1);
-
-	ret = psb_gtt_init(dev, 0);
-	if (ret)
-		goto out_err;
-
-	dev_priv->mmu = psb_mmu_driver_init((void *)0,
-					drm_psb_trap_pagefaults, 0,
-					dev_priv);
-	if (!dev_priv->mmu)
-		goto out_err;
-
-	pg = &dev_priv->gtt;
-
-	tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ?
-		(pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT;
-
-
-	dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
-	if (!dev_priv->pf_pd)
-		goto out_err;
-
-	psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
-	psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
-
-	ret = psb_do_init(dev);
-	if (ret)
-		return ret;
-
-	PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
-	PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
-
-/*	igd_opregion_init(&dev_priv->opregion_dev); */
-	acpi_video_register();
-	if (dev_priv->lid_state)
-		psb_lid_timer_init(dev_priv);
-
-	ret = drm_vblank_init(dev, dev_priv->num_pipe);
-	if (ret)
-		goto out_err;
-
-	/*
-	 * Install interrupt handlers prior to powering off SGX or else we will
-	 * crash.
-	 */
-	dev_priv->vdc_irq_mask = 0;
-	dev_priv->pipestat[0] = 0;
-	dev_priv->pipestat[1] = 0;
-	dev_priv->pipestat[2] = 0;
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-	PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-	PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
-	PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-	if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET))
-		drm_irq_install(dev);
-
-	dev->vblank_disable_allowed = 1;
-
-	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
-
-	dev->driver->get_vblank_counter = psb_get_vblank_counter;
-
-#if defined(CONFIG_DRM_PSB_MFLD)
-	/* FIXME: this is not the right place for this stuff ! */
-	mdfld_output_setup(dev);
-#endif
-	if (drm_psb_no_fb == 0) {
-		psb_modeset_init(dev);
-		psb_fbdev_init(dev);
-		drm_kms_helper_poll_init(dev);
-	}
-
-	/* Only add backlight support if we have LVDS output */
-	list_for_each_entry(connector, &dev->mode_config.connector_list,
-			    head) {
-		psb_intel_output = to_psb_intel_output(connector);
-
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_LVDS:
-		case INTEL_OUTPUT_MIPI:
-			ret = gma_backlight_init(dev);
-			break;
-		}
-	}
-
-	if (ret)
-		return ret;
-
-	/* Enable runtime pm at last */
-	pm_runtime_set_active(&dev->pdev->dev);
-	return 0;
-out_err:
-	psb_driver_unload(dev);
-	return ret;
-}
-
-int psb_driver_device_is_agp(struct drm_device *dev)
-{
-	return 0;
-}
-
-
-static int psb_sizes_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	struct drm_psb_sizes_arg *arg = data;
-
-	*arg = dev_priv->sizes;
-	return 0;
-}
-
-static int psb_dc_state_ioctl(struct drm_device *dev, void *data,
-				struct drm_file *file_priv)
-{
-	uint32_t flags;
-	uint32_t obj_id;
-	struct drm_mode_object *obj;
-	struct drm_connector *connector;
-	struct drm_crtc *crtc;
-	struct drm_psb_dc_state_arg *arg = data;
-
-
-	/* Double check MRST case */
-	if (IS_MRST(dev) || IS_MFLD(dev))
-		return -EOPNOTSUPP;
-
-	flags = arg->flags;
-	obj_id = arg->obj_id;
-
-	if (flags & PSB_DC_CRTC_MASK) {
-		obj = drm_mode_object_find(dev, obj_id,
-				DRM_MODE_OBJECT_CRTC);
-		if (!obj) {
-			dev_dbg(dev->dev, "Invalid CRTC object.\n");
-			return -EINVAL;
-		}
-
-		crtc = obj_to_crtc(obj);
-
-		mutex_lock(&dev->mode_config.mutex);
-		if (drm_helper_crtc_in_use(crtc)) {
-			if (flags & PSB_DC_CRTC_SAVE)
-				crtc->funcs->save(crtc);
-			else
-				crtc->funcs->restore(crtc);
-		}
-		mutex_unlock(&dev->mode_config.mutex);
-
-		return 0;
-	} else if (flags & PSB_DC_OUTPUT_MASK) {
-		obj = drm_mode_object_find(dev, obj_id,
-				DRM_MODE_OBJECT_CONNECTOR);
-		if (!obj) {
-			dev_dbg(dev->dev, "Invalid connector id.\n");
-			return -EINVAL;
-		}
-
-		connector = obj_to_connector(obj);
-		if (flags & PSB_DC_OUTPUT_SAVE)
-			connector->funcs->save(connector);
-		else
-			connector->funcs->restore(connector);
-
-		return 0;
-	}
-	return -EINVAL;
-}
-
-static inline void get_brightness(struct backlight_device *bd)
-{
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	if (bd) {
-		bd->props.brightness = bd->ops->get_brightness(bd);
-		backlight_update_status(bd);
-	}
-#endif
-}
-
-static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	uint32_t *arg = data;
-
-	dev_priv->blc_adj2 = *arg;
-	get_brightness(dev_priv->backlight_device);
-	return 0;
-}
-
-static int psb_adb_ioctl(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	uint32_t *arg = data;
-
-	dev_priv->blc_adj1 = *arg;
-	get_brightness(dev_priv->backlight_device);
-	return 0;
-}
-
-/* return the current mode to the dpst module */
-static int psb_dpst_ioctl(struct drm_device *dev, void *data,
-			  struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	uint32_t *arg = data;
-	uint32_t x;
-	uint32_t y;
-	uint32_t reg;
-
-	if (!gma_power_begin(dev, 0))
-		return -EIO;
-
-	reg = PSB_RVDC32(PIPEASRC);
-
-	gma_power_end(dev);
-
-	/* horizontal is the left 16 bits */
-	x = reg >> 16;
-	/* vertical is the right 16 bits */
-	y = reg & 0x0000ffff;
-
-	/* the values are the image size minus one */
-	x++;
-	y++;
-
-	*arg = (x << 16) | y;
-
-	return 0;
-}
-static int psb_gamma_ioctl(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	struct drm_psb_dpst_lut_arg *lut_arg = data;
-	struct drm_mode_object *obj;
-	struct drm_crtc *crtc;
-	struct drm_connector *connector;
-	struct psb_intel_crtc *psb_intel_crtc;
-	int i = 0;
-	int32_t obj_id;
-
-	obj_id = lut_arg->output_id;
-	obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
-	if (!obj) {
-		dev_dbg(dev->dev, "Invalid Connector object.\n");
-		return -EINVAL;
-	}
-
-	connector = obj_to_connector(obj);
-	crtc = connector->encoder->crtc;
-	psb_intel_crtc = to_psb_intel_crtc(crtc);
-
-	for (i = 0; i < 256; i++)
-		psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
-
-	psb_intel_crtc_load_lut(crtc);
-
-	return 0;
-}
-
-static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
-				struct drm_file *file_priv)
-{
-	uint32_t obj_id;
-	uint16_t op;
-	struct drm_mode_modeinfo *umode;
-	struct drm_display_mode *mode = NULL;
-	struct drm_psb_mode_operation_arg *arg;
-	struct drm_mode_object *obj;
-	struct drm_connector *connector;
-	struct drm_framebuffer *drm_fb;
-	struct psb_framebuffer *psb_fb;
-	struct drm_connector_helper_funcs *connector_funcs;
-	int ret = 0;
-	int resp = MODE_OK;
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-
-	arg = (struct drm_psb_mode_operation_arg *)data;
-	obj_id = arg->obj_id;
-	op = arg->operation;
-
-	switch (op) {
-	case PSB_MODE_OPERATION_SET_DC_BASE:
-		obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_FB);
-		if (!obj) {
-			dev_dbg(dev->dev, "Invalid FB id %d\n", obj_id);
-			return -EINVAL;
-		}
-
-		drm_fb = obj_to_fb(obj);
-		psb_fb = to_psb_fb(drm_fb);
-
-		if (gma_power_begin(dev, 0)) {
-			REG_WRITE(DSPASURF, psb_fb->gtt->offset);
-			REG_READ(DSPASURF);
-			gma_power_end(dev);
-		} else {
-			dev_priv->saveDSPASURF = psb_fb->gtt->offset;
-		}
-
-		return 0;
-	case PSB_MODE_OPERATION_MODE_VALID:
-		umode = &arg->mode;
-
-		mutex_lock(&dev->mode_config.mutex);
-
-		obj = drm_mode_object_find(dev, obj_id,
-					DRM_MODE_OBJECT_CONNECTOR);
-		if (!obj) {
-			ret = -EINVAL;
-			goto mode_op_out;
-		}
-
-		connector = obj_to_connector(obj);
-
-		mode = drm_mode_create(dev);
-		if (!mode) {
-			ret = -ENOMEM;
-			goto mode_op_out;
-		}
-
-		/* drm_crtc_convert_umode(mode, umode); */
-		{
-			mode->clock = umode->clock;
-			mode->hdisplay = umode->hdisplay;
-			mode->hsync_start = umode->hsync_start;
-			mode->hsync_end = umode->hsync_end;
-			mode->htotal = umode->htotal;
-			mode->hskew = umode->hskew;
-			mode->vdisplay = umode->vdisplay;
-			mode->vsync_start = umode->vsync_start;
-			mode->vsync_end = umode->vsync_end;
-			mode->vtotal = umode->vtotal;
-			mode->vscan = umode->vscan;
-			mode->vrefresh = umode->vrefresh;
-			mode->flags = umode->flags;
-			mode->type = umode->type;
-			strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
-			mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
-		}
-
-		connector_funcs = (struct drm_connector_helper_funcs *)
-				   connector->helper_private;
-
-		if (connector_funcs->mode_valid) {
-			resp = connector_funcs->mode_valid(connector, mode);
-			arg->data = (void *)resp;
-		}
-
-		/*do some clean up work*/
-		if (mode)
-			drm_mode_destroy(dev, mode);
-mode_op_out:
-		mutex_unlock(&dev->mode_config.mutex);
-		return ret;
-
-	default:
-		dev_dbg(dev->dev, "Unsupported psb mode operation\n");
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
-}
-
-static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
-				   struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	struct drm_psb_stolen_memory_arg *arg = data;
-
-	arg->base = dev_priv->stolen_base;
-	arg->size = dev_priv->vram_stolen_size;
-
-	return 0;
-}
-
-/* FIXME: needs Medfield changes */
-static int psb_register_rw_ioctl(struct drm_device *dev, void *data,
-				 struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	struct drm_psb_register_rw_arg *arg = data;
-	bool usage = arg->b_force_hw_on ? true : false;
-
-	if (arg->display_write_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			if (arg->display_write_mask & REGRWBITS_PFIT_CONTROLS)
-				PSB_WVDC32(arg->display.pfit_controls,
-					   PFIT_CONTROL);
-			if (arg->display_write_mask &
-			    REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-				PSB_WVDC32(arg->display.pfit_autoscale_ratios,
-					   PFIT_AUTO_RATIOS);
-			if (arg->display_write_mask &
-			    REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-				PSB_WVDC32(
-				   arg->display.pfit_programmed_scale_ratios,
-				   PFIT_PGM_RATIOS);
-			if (arg->display_write_mask & REGRWBITS_PIPEASRC)
-				PSB_WVDC32(arg->display.pipeasrc,
-					   PIPEASRC);
-			if (arg->display_write_mask & REGRWBITS_PIPEBSRC)
-				PSB_WVDC32(arg->display.pipebsrc,
-					   PIPEBSRC);
-			if (arg->display_write_mask & REGRWBITS_VTOTAL_A)
-				PSB_WVDC32(arg->display.vtotal_a,
-					   VTOTAL_A);
-			if (arg->display_write_mask & REGRWBITS_VTOTAL_B)
-				PSB_WVDC32(arg->display.vtotal_b,
-					   VTOTAL_B);
-			gma_power_end(dev);
-		} else {
-			if (arg->display_write_mask & REGRWBITS_PFIT_CONTROLS)
-				dev_priv->savePFIT_CONTROL =
-						arg->display.pfit_controls;
-			if (arg->display_write_mask &
-			    REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-				dev_priv->savePFIT_AUTO_RATIOS =
-					arg->display.pfit_autoscale_ratios;
-			if (arg->display_write_mask &
-			    REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-				dev_priv->savePFIT_PGM_RATIOS =
-				   arg->display.pfit_programmed_scale_ratios;
-			if (arg->display_write_mask & REGRWBITS_PIPEASRC)
-				dev_priv->savePIPEASRC = arg->display.pipeasrc;
-			if (arg->display_write_mask & REGRWBITS_PIPEBSRC)
-				dev_priv->savePIPEBSRC = arg->display.pipebsrc;
-			if (arg->display_write_mask & REGRWBITS_VTOTAL_A)
-				dev_priv->saveVTOTAL_A = arg->display.vtotal_a;
-			if (arg->display_write_mask & REGRWBITS_VTOTAL_B)
-				dev_priv->saveVTOTAL_B = arg->display.vtotal_b;
-		}
-	}
-
-	if (arg->display_read_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_CONTROLS)
-				arg->display.pfit_controls =
-						PSB_RVDC32(PFIT_CONTROL);
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-				arg->display.pfit_autoscale_ratios =
-						PSB_RVDC32(PFIT_AUTO_RATIOS);
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-				arg->display.pfit_programmed_scale_ratios =
-						PSB_RVDC32(PFIT_PGM_RATIOS);
-			if (arg->display_read_mask & REGRWBITS_PIPEASRC)
-				arg->display.pipeasrc = PSB_RVDC32(PIPEASRC);
-			if (arg->display_read_mask & REGRWBITS_PIPEBSRC)
-				arg->display.pipebsrc = PSB_RVDC32(PIPEBSRC);
-			if (arg->display_read_mask & REGRWBITS_VTOTAL_A)
-				arg->display.vtotal_a = PSB_RVDC32(VTOTAL_A);
-			if (arg->display_read_mask & REGRWBITS_VTOTAL_B)
-				arg->display.vtotal_b = PSB_RVDC32(VTOTAL_B);
-			gma_power_end(dev);
-		} else {
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_CONTROLS)
-				arg->display.pfit_controls =
-						dev_priv->savePFIT_CONTROL;
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-				arg->display.pfit_autoscale_ratios =
-						dev_priv->savePFIT_AUTO_RATIOS;
-			if (arg->display_read_mask &
-			    REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-				arg->display.pfit_programmed_scale_ratios =
-						dev_priv->savePFIT_PGM_RATIOS;
-			if (arg->display_read_mask & REGRWBITS_PIPEASRC)
-				arg->display.pipeasrc = dev_priv->savePIPEASRC;
-			if (arg->display_read_mask & REGRWBITS_PIPEBSRC)
-				arg->display.pipebsrc = dev_priv->savePIPEBSRC;
-			if (arg->display_read_mask & REGRWBITS_VTOTAL_A)
-				arg->display.vtotal_a = dev_priv->saveVTOTAL_A;
-			if (arg->display_read_mask & REGRWBITS_VTOTAL_B)
-				arg->display.vtotal_b = dev_priv->saveVTOTAL_B;
-		}
-	}
-
-	if (arg->overlay_write_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			if (arg->overlay_write_mask & OV_REGRWBITS_OGAM_ALL) {
-				PSB_WVDC32(arg->overlay.OGAMC5, OV_OGAMC5);
-				PSB_WVDC32(arg->overlay.OGAMC4, OV_OGAMC4);
-				PSB_WVDC32(arg->overlay.OGAMC3, OV_OGAMC3);
-				PSB_WVDC32(arg->overlay.OGAMC2, OV_OGAMC2);
-				PSB_WVDC32(arg->overlay.OGAMC1, OV_OGAMC1);
-				PSB_WVDC32(arg->overlay.OGAMC0, OV_OGAMC0);
-			}
-			if (arg->overlay_write_mask & OVC_REGRWBITS_OGAM_ALL) {
-				PSB_WVDC32(arg->overlay.OGAMC5, OVC_OGAMC5);
-				PSB_WVDC32(arg->overlay.OGAMC4, OVC_OGAMC4);
-				PSB_WVDC32(arg->overlay.OGAMC3, OVC_OGAMC3);
-				PSB_WVDC32(arg->overlay.OGAMC2, OVC_OGAMC2);
-				PSB_WVDC32(arg->overlay.OGAMC1, OVC_OGAMC1);
-				PSB_WVDC32(arg->overlay.OGAMC0, OVC_OGAMC0);
-			}
-
-			if (arg->overlay_write_mask & OV_REGRWBITS_OVADD) {
-				PSB_WVDC32(arg->overlay.OVADD, OV_OVADD);
-
-				if (arg->overlay.b_wait_vblank) {
-					/* Wait for 20ms.*/
-					unsigned long vblank_timeout = jiffies
-								+ HZ/50;
-					uint32_t temp;
-					while (time_before_eq(jiffies,
-							vblank_timeout)) {
-						temp = PSB_RVDC32(OV_DOVASTA);
-						if ((temp & (0x1 << 31)) != 0)
-							break;
-						cpu_relax();
-					}
-				}
-			}
-			if (arg->overlay_write_mask & OVC_REGRWBITS_OVADD) {
-				PSB_WVDC32(arg->overlay.OVADD, OVC_OVADD);
-				if (arg->overlay.b_wait_vblank) {
-					/* Wait for 20ms.*/
-					unsigned long vblank_timeout =
-							jiffies + HZ/50;
-					uint32_t temp;
-					while (time_before_eq(jiffies,
-							vblank_timeout)) {
-						temp = PSB_RVDC32(OVC_DOVCSTA);
-						if ((temp & (0x1 << 31)) != 0)
-							break;
-						cpu_relax();
-					}
-				}
-			}
-			gma_power_end(dev);
-		} else {
-			if (arg->overlay_write_mask & OV_REGRWBITS_OGAM_ALL) {
-				dev_priv->saveOV_OGAMC5 = arg->overlay.OGAMC5;
-				dev_priv->saveOV_OGAMC4 = arg->overlay.OGAMC4;
-				dev_priv->saveOV_OGAMC3 = arg->overlay.OGAMC3;
-				dev_priv->saveOV_OGAMC2 = arg->overlay.OGAMC2;
-				dev_priv->saveOV_OGAMC1 = arg->overlay.OGAMC1;
-				dev_priv->saveOV_OGAMC0 = arg->overlay.OGAMC0;
-			}
-			if (arg->overlay_write_mask & OVC_REGRWBITS_OGAM_ALL) {
-				dev_priv->saveOVC_OGAMC5 = arg->overlay.OGAMC5;
-				dev_priv->saveOVC_OGAMC4 = arg->overlay.OGAMC4;
-				dev_priv->saveOVC_OGAMC3 = arg->overlay.OGAMC3;
-				dev_priv->saveOVC_OGAMC2 = arg->overlay.OGAMC2;
-				dev_priv->saveOVC_OGAMC1 = arg->overlay.OGAMC1;
-				dev_priv->saveOVC_OGAMC0 = arg->overlay.OGAMC0;
-			}
-			if (arg->overlay_write_mask & OV_REGRWBITS_OVADD)
-				dev_priv->saveOV_OVADD = arg->overlay.OVADD;
-			if (arg->overlay_write_mask & OVC_REGRWBITS_OVADD)
-				dev_priv->saveOVC_OVADD = arg->overlay.OVADD;
-		}
-	}
-
-	if (arg->overlay_read_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			if (arg->overlay_read_mask & OV_REGRWBITS_OGAM_ALL) {
-				arg->overlay.OGAMC5 = PSB_RVDC32(OV_OGAMC5);
-				arg->overlay.OGAMC4 = PSB_RVDC32(OV_OGAMC4);
-				arg->overlay.OGAMC3 = PSB_RVDC32(OV_OGAMC3);
-				arg->overlay.OGAMC2 = PSB_RVDC32(OV_OGAMC2);
-				arg->overlay.OGAMC1 = PSB_RVDC32(OV_OGAMC1);
-				arg->overlay.OGAMC0 = PSB_RVDC32(OV_OGAMC0);
-			}
-			if (arg->overlay_read_mask & OVC_REGRWBITS_OGAM_ALL) {
-				arg->overlay.OGAMC5 = PSB_RVDC32(OVC_OGAMC5);
-				arg->overlay.OGAMC4 = PSB_RVDC32(OVC_OGAMC4);
-				arg->overlay.OGAMC3 = PSB_RVDC32(OVC_OGAMC3);
-				arg->overlay.OGAMC2 = PSB_RVDC32(OVC_OGAMC2);
-				arg->overlay.OGAMC1 = PSB_RVDC32(OVC_OGAMC1);
-				arg->overlay.OGAMC0 = PSB_RVDC32(OVC_OGAMC0);
-			}
-			if (arg->overlay_read_mask & OV_REGRWBITS_OVADD)
-				arg->overlay.OVADD = PSB_RVDC32(OV_OVADD);
-			if (arg->overlay_read_mask & OVC_REGRWBITS_OVADD)
-				arg->overlay.OVADD = PSB_RVDC32(OVC_OVADD);
-			gma_power_end(dev);
-		} else {
-			if (arg->overlay_read_mask & OV_REGRWBITS_OGAM_ALL) {
-				arg->overlay.OGAMC5 = dev_priv->saveOV_OGAMC5;
-				arg->overlay.OGAMC4 = dev_priv->saveOV_OGAMC4;
-				arg->overlay.OGAMC3 = dev_priv->saveOV_OGAMC3;
-				arg->overlay.OGAMC2 = dev_priv->saveOV_OGAMC2;
-				arg->overlay.OGAMC1 = dev_priv->saveOV_OGAMC1;
-				arg->overlay.OGAMC0 = dev_priv->saveOV_OGAMC0;
-			}
-			if (arg->overlay_read_mask & OVC_REGRWBITS_OGAM_ALL) {
-				arg->overlay.OGAMC5 = dev_priv->saveOVC_OGAMC5;
-				arg->overlay.OGAMC4 = dev_priv->saveOVC_OGAMC4;
-				arg->overlay.OGAMC3 = dev_priv->saveOVC_OGAMC3;
-				arg->overlay.OGAMC2 = dev_priv->saveOVC_OGAMC2;
-				arg->overlay.OGAMC1 = dev_priv->saveOVC_OGAMC1;
-				arg->overlay.OGAMC0 = dev_priv->saveOVC_OGAMC0;
-			}
-			if (arg->overlay_read_mask & OV_REGRWBITS_OVADD)
-				arg->overlay.OVADD = dev_priv->saveOV_OVADD;
-			if (arg->overlay_read_mask & OVC_REGRWBITS_OVADD)
-				arg->overlay.OVADD = dev_priv->saveOVC_OVADD;
-		}
-	}
-
-	if (arg->sprite_enable_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			PSB_WVDC32(0x1F3E, DSPARB);
-			PSB_WVDC32(arg->sprite.dspa_control
-					| PSB_RVDC32(DSPACNTR), DSPACNTR);
-			PSB_WVDC32(arg->sprite.dspa_key_value, DSPAKEYVAL);
-			PSB_WVDC32(arg->sprite.dspa_key_mask, DSPAKEYMASK);
-			PSB_WVDC32(PSB_RVDC32(DSPASURF), DSPASURF);
-			PSB_RVDC32(DSPASURF);
-			PSB_WVDC32(arg->sprite.dspc_control, DSPCCNTR);
-			PSB_WVDC32(arg->sprite.dspc_stride, DSPCSTRIDE);
-			PSB_WVDC32(arg->sprite.dspc_position, DSPCPOS);
-			PSB_WVDC32(arg->sprite.dspc_linear_offset, DSPCLINOFF);
-			PSB_WVDC32(arg->sprite.dspc_size, DSPCSIZE);
-			PSB_WVDC32(arg->sprite.dspc_surface, DSPCSURF);
-			PSB_RVDC32(DSPCSURF);
-			gma_power_end(dev);
-		}
-	}
-
-	if (arg->sprite_disable_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			PSB_WVDC32(0x3F3E, DSPARB);
-			PSB_WVDC32(0x0, DSPCCNTR);
-			PSB_WVDC32(arg->sprite.dspc_surface, DSPCSURF);
-			PSB_RVDC32(DSPCSURF);
-			gma_power_end(dev);
-		}
-	}
-
-	if (arg->subpicture_enable_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			uint32_t temp;
-			if (arg->subpicture_enable_mask & REGRWBITS_DSPACNTR) {
-				temp =  PSB_RVDC32(DSPACNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp &= ~DISPPLANE_BOTTOM;
-				temp |= DISPPLANE_32BPP;
-				PSB_WVDC32(temp, DSPACNTR);
-
-				temp =  PSB_RVDC32(DSPABASE);
-				PSB_WVDC32(temp, DSPABASE);
-				PSB_RVDC32(DSPABASE);
-				temp =  PSB_RVDC32(DSPASURF);
-				PSB_WVDC32(temp, DSPASURF);
-				PSB_RVDC32(DSPASURF);
-			}
-			if (arg->subpicture_enable_mask & REGRWBITS_DSPBCNTR) {
-				temp =  PSB_RVDC32(DSPBCNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp &= ~DISPPLANE_BOTTOM;
-				temp |= DISPPLANE_32BPP;
-				PSB_WVDC32(temp, DSPBCNTR);
-
-				temp =  PSB_RVDC32(DSPBBASE);
-				PSB_WVDC32(temp, DSPBBASE);
-				PSB_RVDC32(DSPBBASE);
-				temp =  PSB_RVDC32(DSPBSURF);
-				PSB_WVDC32(temp, DSPBSURF);
-				PSB_RVDC32(DSPBSURF);
-			}
-			if (arg->subpicture_enable_mask & REGRWBITS_DSPCCNTR) {
-				temp =  PSB_RVDC32(DSPCCNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp &= ~DISPPLANE_BOTTOM;
-				temp |= DISPPLANE_32BPP;
-				PSB_WVDC32(temp, DSPCCNTR);
-
-				temp =  PSB_RVDC32(DSPCBASE);
-				PSB_WVDC32(temp, DSPCBASE);
-				PSB_RVDC32(DSPCBASE);
-				temp =  PSB_RVDC32(DSPCSURF);
-				PSB_WVDC32(temp, DSPCSURF);
-				PSB_RVDC32(DSPCSURF);
-			}
-			gma_power_end(dev);
-		}
-	}
-
-	if (arg->subpicture_disable_mask != 0) {
-		if (gma_power_begin(dev, usage)) {
-			uint32_t temp;
-			if (arg->subpicture_disable_mask & REGRWBITS_DSPACNTR) {
-				temp =  PSB_RVDC32(DSPACNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp |= DISPPLANE_32BPP_NO_ALPHA;
-				PSB_WVDC32(temp, DSPACNTR);
-
-				temp =  PSB_RVDC32(DSPABASE);
-				PSB_WVDC32(temp, DSPABASE);
-				PSB_RVDC32(DSPABASE);
-				temp =  PSB_RVDC32(DSPASURF);
-				PSB_WVDC32(temp, DSPASURF);
-				PSB_RVDC32(DSPASURF);
-			}
-			if (arg->subpicture_disable_mask & REGRWBITS_DSPBCNTR) {
-				temp =  PSB_RVDC32(DSPBCNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp |= DISPPLANE_32BPP_NO_ALPHA;
-				PSB_WVDC32(temp, DSPBCNTR);
-
-				temp =  PSB_RVDC32(DSPBBASE);
-				PSB_WVDC32(temp, DSPBBASE);
-				PSB_RVDC32(DSPBBASE);
-				temp =  PSB_RVDC32(DSPBSURF);
-				PSB_WVDC32(temp, DSPBSURF);
-				PSB_RVDC32(DSPBSURF);
-			}
-			if (arg->subpicture_disable_mask & REGRWBITS_DSPCCNTR) {
-				temp =  PSB_RVDC32(DSPCCNTR);
-				temp &= ~DISPPLANE_PIXFORMAT_MASK;
-				temp |= DISPPLANE_32BPP_NO_ALPHA;
-				PSB_WVDC32(temp, DSPCCNTR);
-
-				temp =  PSB_RVDC32(DSPCBASE);
-				PSB_WVDC32(temp, DSPCBASE);
-				PSB_RVDC32(DSPCBASE);
-				temp =  PSB_RVDC32(DSPCSURF);
-				PSB_WVDC32(temp, DSPCSURF);
-				PSB_RVDC32(DSPCSURF);
-			}
-			gma_power_end(dev);
-		}
-	}
-
-	return 0;
-}
-
-static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
-{
-	return 0;
-}
-
-static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
-{
-}
-
-static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
-			       unsigned long arg)
-{
-	struct drm_file *file_priv = filp->private_data;
-	struct drm_device *dev = file_priv->minor->dev;
-	int ret;
-	
-	pm_runtime_forbid(dev->dev);
-	ret = drm_ioctl(filp, cmd, arg);
-	pm_runtime_allow(dev->dev);
-	return ret;
-	/* FIXME: do we need to wrap the other side of this */
-}
-
-
-/* When a client dies:
- *    - Check for and clean up flipped page state
- */
-void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
-{
-}
-
-static void psb_remove(struct pci_dev *pdev)
-{
-	struct drm_device *dev = pci_get_drvdata(pdev);
-	drm_put_dev(dev);
-}
-
-static const struct dev_pm_ops psb_pm_ops = {
-	.suspend = gma_power_suspend,
-	.resume = gma_power_resume,
-	.freeze = gma_power_suspend,
-	.thaw = gma_power_resume,
-	.poweroff = gma_power_suspend,
-	.restore = gma_power_resume,
-	.runtime_suspend = psb_runtime_suspend,
-	.runtime_resume = psb_runtime_resume,
-	.runtime_idle = psb_runtime_idle,
-};
-
-static struct vm_operations_struct psb_gem_vm_ops = {
-	.fault = psb_gem_fault,
-	.open = drm_gem_vm_open,
-	.close = drm_gem_vm_close,
-};
-
-static const struct file_operations gma500_driver_fops = {
-	.owner = THIS_MODULE,
-	.open = drm_open,
-	.release = drm_release,
-	.unlocked_ioctl = psb_unlocked_ioctl,
-	.mmap = drm_gem_mmap,
-	.poll = drm_poll,
-	.fasync = drm_fasync,
-	.read = drm_read,
-};
-
-static struct drm_driver driver = {
-	.driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
-			   DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
-	.load = psb_driver_load,
-	.unload = psb_driver_unload,
-
-	.ioctls = psb_ioctls,
-	.num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
-	.device_is_agp = psb_driver_device_is_agp,
-	.irq_preinstall = psb_irq_preinstall,
-	.irq_postinstall = psb_irq_postinstall,
-	.irq_uninstall = psb_irq_uninstall,
-	.irq_handler = psb_irq_handler,
-	.enable_vblank = psb_enable_vblank,
-	.disable_vblank = psb_disable_vblank,
-	.get_vblank_counter = psb_get_vblank_counter,
-	.lastclose = psb_lastclose,
-	.open = psb_driver_open,
-	.preclose = psb_driver_preclose,
-	.postclose = psb_driver_close,
-	.reclaim_buffers = drm_core_reclaim_buffers,
-
-	.gem_init_object = psb_gem_init_object,
-	.gem_free_object = psb_gem_free_object,
-	.gem_vm_ops = &psb_gem_vm_ops,
-	.dumb_create = psb_gem_dumb_create,
-	.dumb_map_offset = psb_gem_dumb_map_gtt,
-	.dumb_destroy = psb_gem_dumb_destroy,
-	.fops = &gma500_driver_fops,
-	.name = DRIVER_NAME,
-	.desc = DRIVER_DESC,
-	.date = PSB_DRM_DRIVER_DATE,
-	.major = PSB_DRM_DRIVER_MAJOR,
-	.minor = PSB_DRM_DRIVER_MINOR,
-	.patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
-};
-
-static struct pci_driver psb_pci_driver = {
-	.name = DRIVER_NAME,
-	.id_table = pciidlist,
-	.probe = psb_probe,
-	.remove = psb_remove,
-	.driver.pm = &psb_pm_ops,
-};
-
-static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
-	return drm_get_pci_dev(pdev, ent, &driver);
-}
-
-static int __init psb_init(void)
-{
-	return drm_pci_init(&driver, &psb_pci_driver);
-}
-
-static void __exit psb_exit(void)
-{
-	drm_pci_exit(&driver, &psb_pci_driver);
-}
-
-late_initcall(psb_init);
-module_exit(psb_exit);
-
-MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h
deleted file mode 100644
index 11d963a055be..000000000000
--- a/drivers/staging/gma500/psb_drv.h
+++ /dev/null
@@ -1,952 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#ifndef _PSB_DRV_H_
-#define _PSB_DRV_H_
-
-#include <linux/kref.h>
-
-#include <drm/drmP.h>
-#include "drm_global.h"
-#include "gem_glue.h"
-#include "psb_drm.h"
-#include "psb_reg.h"
-#include "psb_intel_drv.h"
-#include "gtt.h"
-#include "power.h"
-#include "mrst.h"
-#include "medfield.h"
-
-/* Append new drm mode definition here, align with libdrm definition */
-#define DRM_MODE_SCALE_NO_SCALE   	2
-
-enum {
-	CHIP_PSB_8108 = 0,		/* Poulsbo */
-	CHIP_PSB_8109 = 1,		/* Poulsbo */
-	CHIP_MRST_4100 = 2,		/* Moorestown/Oaktrail */
-	CHIP_MFLD_0130 = 3,		/* Medfield */
-};
-
-#define IS_PSB(dev) (((dev)->pci_device & 0xfffe) == 0x8108)
-#define IS_MRST(dev) (((dev)->pci_device & 0xfffc) == 0x4100)
-#define IS_MFLD(dev) (((dev)->pci_device & 0xfff8) == 0x0130)
-
-/*
- * Driver definitions
- */
-
-#define DRIVER_NAME "gma500"
-#define DRIVER_DESC "DRM driver for the Intel GMA500"
-
-#define PSB_DRM_DRIVER_DATE "2011-06-06"
-#define PSB_DRM_DRIVER_MAJOR 1
-#define PSB_DRM_DRIVER_MINOR 0
-#define PSB_DRM_DRIVER_PATCHLEVEL 0
-
-/*
- *	Hardware offsets
- */
-#define PSB_VDC_OFFSET		 0x00000000
-#define PSB_VDC_SIZE		 0x000080000
-#define MRST_MMIO_SIZE		 0x0000C0000
-#define MDFLD_MMIO_SIZE          0x000100000
-#define PSB_SGX_SIZE		 0x8000
-#define PSB_SGX_OFFSET		 0x00040000
-#define MRST_SGX_OFFSET		 0x00080000
-/*
- *	PCI resource identifiers
- */
-#define PSB_MMIO_RESOURCE	 0
-#define PSB_GATT_RESOURCE	 2
-#define PSB_GTT_RESOURCE	 3
-/*
- *	PCI configuration
- */
-#define PSB_GMCH_CTRL		 0x52
-#define PSB_BSM			 0x5C
-#define _PSB_GMCH_ENABLED	 0x4
-#define PSB_PGETBL_CTL		 0x2020
-#define _PSB_PGETBL_ENABLED	 0x00000001
-#define PSB_SGX_2D_SLAVE_PORT	 0x4000
-
-/* To get rid of */
-#define PSB_TT_PRIV0_LIMIT	 (256*1024*1024)
-#define PSB_TT_PRIV0_PLIMIT	 (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
-
-/*
- *	SGX side MMU definitions (these can probably go)
- */
-
-/*
- *	Flags for external memory type field.
- */
-#define PSB_MMU_CACHED_MEMORY	  0x0001	/* Bind to MMU only */
-#define PSB_MMU_RO_MEMORY	  0x0002	/* MMU RO memory */
-#define PSB_MMU_WO_MEMORY	  0x0004	/* MMU WO memory */
-/*
- *	PTE's and PDE's
- */
-#define PSB_PDE_MASK		  0x003FFFFF
-#define PSB_PDE_SHIFT		  22
-#define PSB_PTE_SHIFT		  12
-/*
- *	Cache control
- */
-#define PSB_PTE_VALID		  0x0001	/* PTE / PDE valid */
-#define PSB_PTE_WO		  0x0002	/* Write only */
-#define PSB_PTE_RO		  0x0004	/* Read only */
-#define PSB_PTE_CACHED		  0x0008	/* CPU cache coherent */
-
-/*
- *	VDC registers and bits
- */
-#define PSB_MSVDX_CLOCKGATING	  0x2064
-#define PSB_TOPAZ_CLOCKGATING	  0x2068
-#define PSB_HWSTAM		  0x2098
-#define PSB_INSTPM		  0x20C0
-#define PSB_INT_IDENTITY_R        0x20A4
-#define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
-#define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
-#define _PSB_DPST_PIPEB_FLAG      (1<<4)
-#define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
-#define _PSB_VSYNC_PIPEB_FLAG	  (1<<5)
-#define _PSB_DPST_PIPEA_FLAG      (1<<6)
-#define _PSB_PIPEA_EVENT_FLAG     (1<<6)
-#define _PSB_VSYNC_PIPEA_FLAG	  (1<<7)
-#define _MDFLD_MIPIA_FLAG	  (1<<16)
-#define _MDFLD_MIPIC_FLAG	  (1<<17)
-#define _PSB_IRQ_SGX_FLAG	  (1<<18)
-#define _PSB_IRQ_MSVDX_FLAG	  (1<<19)
-#define _LNC_IRQ_TOPAZ_FLAG	  (1<<20)
-
-#define _PSB_PIPE_EVENT_FLAG	(_PSB_VSYNC_PIPEA_FLAG | \
-				 _PSB_VSYNC_PIPEB_FLAG)
-
-/* This flag includes all the display IRQ bits excepts the vblank irqs. */
-#define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
-				  _MDFLD_PIPEB_EVENT_FLAG | \
-				  _PSB_PIPEA_EVENT_FLAG | \
-				  _PSB_VSYNC_PIPEA_FLAG | \
-				  _MDFLD_MIPIA_FLAG | \
-				  _MDFLD_MIPIC_FLAG)
-#define PSB_INT_IDENTITY_R	  0x20A4
-#define PSB_INT_MASK_R		  0x20A8
-#define PSB_INT_ENABLE_R	  0x20A0
-
-#define _PSB_MMU_ER_MASK      0x0001FF00
-#define _PSB_MMU_ER_HOST      (1 << 16)
-#define GPIOA			0x5010
-#define GPIOB			0x5014
-#define GPIOC			0x5018
-#define GPIOD			0x501c
-#define GPIOE			0x5020
-#define GPIOF			0x5024
-#define GPIOG			0x5028
-#define GPIOH			0x502c
-#define GPIO_CLOCK_DIR_MASK		(1 << 0)
-#define GPIO_CLOCK_DIR_IN		(0 << 1)
-#define GPIO_CLOCK_DIR_OUT		(1 << 1)
-#define GPIO_CLOCK_VAL_MASK		(1 << 2)
-#define GPIO_CLOCK_VAL_OUT		(1 << 3)
-#define GPIO_CLOCK_VAL_IN		(1 << 4)
-#define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
-#define GPIO_DATA_DIR_MASK		(1 << 8)
-#define GPIO_DATA_DIR_IN		(0 << 9)
-#define GPIO_DATA_DIR_OUT		(1 << 9)
-#define GPIO_DATA_VAL_MASK		(1 << 10)
-#define GPIO_DATA_VAL_OUT		(1 << 11)
-#define GPIO_DATA_VAL_IN		(1 << 12)
-#define GPIO_DATA_PULLUP_DISABLE	(1 << 13)
-
-#define VCLK_DIVISOR_VGA0   0x6000
-#define VCLK_DIVISOR_VGA1   0x6004
-#define VCLK_POST_DIV	    0x6010
-
-#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
-#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
-#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
-#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
-#define PSB_COMM_USER_IRQ (1024 >> 2)
-#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
-#define PSB_COMM_FW (2048 >> 2)
-
-#define PSB_UIRQ_VISTEST	       1
-#define PSB_UIRQ_OOM_REPLY	       2
-#define PSB_UIRQ_FIRE_TA_REPLY	       3
-#define PSB_UIRQ_FIRE_RASTER_REPLY     4
-
-#define PSB_2D_SIZE (256*1024*1024)
-#define PSB_MAX_RELOC_PAGES 1024
-
-#define PSB_LOW_REG_OFFS 0x0204
-#define PSB_HIGH_REG_OFFS 0x0600
-
-#define PSB_NUM_VBLANKS 2
-
-
-#define PSB_2D_SIZE (256*1024*1024)
-#define PSB_MAX_RELOC_PAGES 1024
-
-#define PSB_LOW_REG_OFFS 0x0204
-#define PSB_HIGH_REG_OFFS 0x0600
-
-#define PSB_NUM_VBLANKS 2
-#define PSB_WATCHDOG_DELAY (DRM_HZ * 2)
-#define PSB_LID_DELAY (DRM_HZ / 10)
-
-#define MDFLD_PNW_B0 0x04
-#define MDFLD_PNW_C0 0x08
-
-#define MDFLD_DSR_2D_3D_0 	(1 << 0)
-#define MDFLD_DSR_2D_3D_2 	(1 << 1)
-#define MDFLD_DSR_CURSOR_0 	(1 << 2)
-#define MDFLD_DSR_CURSOR_2	(1 << 3)
-#define MDFLD_DSR_OVERLAY_0 	(1 << 4)
-#define MDFLD_DSR_OVERLAY_2 	(1 << 5)
-#define MDFLD_DSR_MIPI_CONTROL	(1 << 6)
-#define MDFLD_DSR_DAMAGE_MASK_0	((1 << 0) | (1 << 2) | (1 << 4))
-#define MDFLD_DSR_DAMAGE_MASK_2	((1 << 1) | (1 << 3) | (1 << 5))
-#define MDFLD_DSR_2D_3D 	(MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
-
-#define MDFLD_DSR_RR		45
-#define MDFLD_DPU_ENABLE 	(1 << 31)
-#define MDFLD_DSR_FULLSCREEN 	(1 << 30)
-#define MDFLD_DSR_DELAY		(DRM_HZ / MDFLD_DSR_RR)
-
-#define PSB_PWR_STATE_ON		1
-#define PSB_PWR_STATE_OFF		2
-
-#define PSB_PMPOLICY_NOPM		0
-#define PSB_PMPOLICY_CLOCKGATING	1
-#define PSB_PMPOLICY_POWERDOWN		2
-
-#define PSB_PMSTATE_POWERUP		0
-#define PSB_PMSTATE_CLOCKGATED		1
-#define PSB_PMSTATE_POWERDOWN		2
-#define PSB_PCIx_MSI_ADDR_LOC		0x94
-#define PSB_PCIx_MSI_DATA_LOC		0x98
-
-/* Medfield crystal settings */
-#define KSEL_CRYSTAL_19 1
-#define KSEL_BYPASS_19 5
-#define KSEL_BYPASS_25 6
-#define KSEL_BYPASS_83_100 7
-
-struct opregion_header;
-struct opregion_acpi;
-struct opregion_swsci;
-struct opregion_asle;
-
-struct psb_intel_opregion {
-	struct opregion_header *header;
-	struct opregion_acpi *acpi;
-	struct opregion_swsci *swsci;
-	struct opregion_asle *asle;
-	int enabled;
-};
-
-struct psb_ops;
-
-struct drm_psb_private {
-	struct drm_device *dev;
-	const struct psb_ops *ops;
-
-	struct psb_gtt gtt;
-
-	/* GTT Memory manager */
-	struct psb_gtt_mm *gtt_mm;
-	struct page *scratch_page;
-	u32 *gtt_map;
-	uint32_t stolen_base;
-	void *vram_addr;
-	unsigned long vram_stolen_size;
-	int gtt_initialized;
-	u16 gmch_ctrl;		/* Saved GTT setup */
-	u32 pge_ctl;
-
-	struct mutex gtt_mutex;
-	struct resource *gtt_mem;	/* Our PCI resource */
-
-	struct psb_mmu_driver *mmu;
-	struct psb_mmu_pd *pf_pd;
-
-	/*
-	 * Register base
-	 */
-
-	uint8_t *sgx_reg;
-	uint8_t *vdc_reg;
-	uint32_t gatt_free_offset;
-
-	/*
-	 * Fencing / irq.
-	 */
-
-	uint32_t vdc_irq_mask;
-	uint32_t pipestat[PSB_NUM_PIPE];
-
-	spinlock_t irqmask_lock;
-
-	/*
-	 * Power
-	 */
-
-	bool suspended;
-	bool display_power;
-	int display_count;
-
-	/*
-	 * Modesetting
-	 */
-	struct psb_intel_mode_device mode_dev;
-
-	struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
-	struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
-	uint32_t num_pipe;
-
-	/*
-	 * OSPM info (Power management base) (can go ?)
-	 */
-	uint32_t ospm_base;
-
-	/*
-	 * Sizes info
-	 */
-
-	struct drm_psb_sizes_arg sizes;
-
-	u32 fuse_reg_value;
-	u32 video_device_fuse;
-
-	/* PCI revision ID for B0:D2:F0 */
-	uint8_t platform_rev_id;
-
-	/*
-	 * LVDS info
-	 */
-	int backlight_duty_cycle;	/* restore backlight to this value */
-	bool panel_wants_dither;
-	struct drm_display_mode *panel_fixed_mode;
-	struct drm_display_mode *lfp_lvds_vbt_mode;
-	struct drm_display_mode *sdvo_lvds_vbt_mode;
-
-	struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
-	struct psb_intel_i2c_chan *lvds_i2c_bus;
-
-	/* Feature bits from the VBIOS */
-	unsigned int int_tv_support:1;
-	unsigned int lvds_dither:1;
-	unsigned int lvds_vbt:1;
-	unsigned int int_crt_support:1;
-	unsigned int lvds_use_ssc:1;
-	int lvds_ssc_freq;
-	bool is_lvds_on;
-	bool is_mipi_on;
-	u32 mipi_ctrl_display;
-
-	unsigned int core_freq;
-	uint32_t iLVDS_enable;
-
-	/* Runtime PM state */
-	int rpm_enabled;
-
-	/* MID specific */
-	struct mrst_vbt vbt_data;
-	struct mrst_gct_data gct_data;
-
-	/* MIPI Panel type etc */
-	int panel_id;
-	bool dual_mipi;		/* dual display - DPI & DBI */
-	bool dpi_panel_on;	/* The DPI panel power is on */
-	bool dpi_panel_on2;	/* The DPI panel power is on */
-	bool dbi_panel_on;	/* The DBI panel power is on */
-	bool dbi_panel_on2;	/* The DBI panel power is on */
-	u32 dsr_fb_update;	/* DSR FB update counter */
-
-	/* Moorestown HDMI state */
-	struct mrst_hdmi_dev *hdmi_priv;
-
-	/* Moorestown pipe config register value cache */
-	uint32_t pipeconf;
-	uint32_t pipeconf1;
-	uint32_t pipeconf2;
-
-	/* Moorestown plane control register value cache */
-	uint32_t dspcntr;
-	uint32_t dspcntr1;
-	uint32_t dspcntr2;
-
-	/* Moorestown MM backlight cache */
-	uint8_t saveBKLTCNT;
-	uint8_t saveBKLTREQ;
-	uint8_t saveBKLTBRTL;
-
-	/*
-	 * Register state
-	 */
-	uint32_t saveDSPACNTR;
-	uint32_t saveDSPBCNTR;
-	uint32_t savePIPEACONF;
-	uint32_t savePIPEBCONF;
-	uint32_t savePIPEASRC;
-	uint32_t savePIPEBSRC;
-	uint32_t saveFPA0;
-	uint32_t saveFPA1;
-	uint32_t saveDPLL_A;
-	uint32_t saveDPLL_A_MD;
-	uint32_t saveHTOTAL_A;
-	uint32_t saveHBLANK_A;
-	uint32_t saveHSYNC_A;
-	uint32_t saveVTOTAL_A;
-	uint32_t saveVBLANK_A;
-	uint32_t saveVSYNC_A;
-	uint32_t saveDSPASTRIDE;
-	uint32_t saveDSPASIZE;
-	uint32_t saveDSPAPOS;
-	uint32_t saveDSPABASE;
-	uint32_t saveDSPASURF;
-	uint32_t saveDSPASTATUS;
-	uint32_t saveFPB0;
-	uint32_t saveFPB1;
-	uint32_t saveDPLL_B;
-	uint32_t saveDPLL_B_MD;
-	uint32_t saveHTOTAL_B;
-	uint32_t saveHBLANK_B;
-	uint32_t saveHSYNC_B;
-	uint32_t saveVTOTAL_B;
-	uint32_t saveVBLANK_B;
-	uint32_t saveVSYNC_B;
-	uint32_t saveDSPBSTRIDE;
-	uint32_t saveDSPBSIZE;
-	uint32_t saveDSPBPOS;
-	uint32_t saveDSPBBASE;
-	uint32_t saveDSPBSURF;
-	uint32_t saveDSPBSTATUS;
-	uint32_t saveVCLK_DIVISOR_VGA0;
-	uint32_t saveVCLK_DIVISOR_VGA1;
-	uint32_t saveVCLK_POST_DIV;
-	uint32_t saveVGACNTRL;
-	uint32_t saveADPA;
-	uint32_t saveLVDS;
-	uint32_t saveDVOA;
-	uint32_t saveDVOB;
-	uint32_t saveDVOC;
-	uint32_t savePP_ON;
-	uint32_t savePP_OFF;
-	uint32_t savePP_CONTROL;
-	uint32_t savePP_CYCLE;
-	uint32_t savePFIT_CONTROL;
-	uint32_t savePaletteA[256];
-	uint32_t savePaletteB[256];
-	uint32_t saveBLC_PWM_CTL2;
-	uint32_t saveBLC_PWM_CTL;
-	uint32_t saveCLOCKGATING;
-	uint32_t saveDSPARB;
-	uint32_t saveDSPATILEOFF;
-	uint32_t saveDSPBTILEOFF;
-	uint32_t saveDSPAADDR;
-	uint32_t saveDSPBADDR;
-	uint32_t savePFIT_AUTO_RATIOS;
-	uint32_t savePFIT_PGM_RATIOS;
-	uint32_t savePP_ON_DELAYS;
-	uint32_t savePP_OFF_DELAYS;
-	uint32_t savePP_DIVISOR;
-	uint32_t saveBSM;
-	uint32_t saveVBT;
-	uint32_t saveBCLRPAT_A;
-	uint32_t saveBCLRPAT_B;
-	uint32_t saveDSPALINOFF;
-	uint32_t saveDSPBLINOFF;
-	uint32_t savePERF_MODE;
-	uint32_t saveDSPFW1;
-	uint32_t saveDSPFW2;
-	uint32_t saveDSPFW3;
-	uint32_t saveDSPFW4;
-	uint32_t saveDSPFW5;
-	uint32_t saveDSPFW6;
-	uint32_t saveCHICKENBIT;
-	uint32_t saveDSPACURSOR_CTRL;
-	uint32_t saveDSPBCURSOR_CTRL;
-	uint32_t saveDSPACURSOR_BASE;
-	uint32_t saveDSPBCURSOR_BASE;
-	uint32_t saveDSPACURSOR_POS;
-	uint32_t saveDSPBCURSOR_POS;
-	uint32_t save_palette_a[256];
-	uint32_t save_palette_b[256];
-	uint32_t saveOV_OVADD;
-	uint32_t saveOV_OGAMC0;
-	uint32_t saveOV_OGAMC1;
-	uint32_t saveOV_OGAMC2;
-	uint32_t saveOV_OGAMC3;
-	uint32_t saveOV_OGAMC4;
-	uint32_t saveOV_OGAMC5;
-	uint32_t saveOVC_OVADD;
-	uint32_t saveOVC_OGAMC0;
-	uint32_t saveOVC_OGAMC1;
-	uint32_t saveOVC_OGAMC2;
-	uint32_t saveOVC_OGAMC3;
-	uint32_t saveOVC_OGAMC4;
-	uint32_t saveOVC_OGAMC5;
-
-	/* MSI reg save */
-	uint32_t msi_addr;
-	uint32_t msi_data;
-
-	/* Medfield specific register save state */
-	uint32_t saveHDMIPHYMISCCTL;
-	uint32_t saveHDMIB_CONTROL;
-	uint32_t saveDSPCCNTR;
-	uint32_t savePIPECCONF;
-	uint32_t savePIPECSRC;
-	uint32_t saveHTOTAL_C;
-	uint32_t saveHBLANK_C;
-	uint32_t saveHSYNC_C;
-	uint32_t saveVTOTAL_C;
-	uint32_t saveVBLANK_C;
-	uint32_t saveVSYNC_C;
-	uint32_t saveDSPCSTRIDE;
-	uint32_t saveDSPCSIZE;
-	uint32_t saveDSPCPOS;
-	uint32_t saveDSPCSURF;
-	uint32_t saveDSPCSTATUS;
-	uint32_t saveDSPCLINOFF;
-	uint32_t saveDSPCTILEOFF;
-	uint32_t saveDSPCCURSOR_CTRL;
-	uint32_t saveDSPCCURSOR_BASE;
-	uint32_t saveDSPCCURSOR_POS;
-	uint32_t save_palette_c[256];
-	uint32_t saveOV_OVADD_C;
-	uint32_t saveOV_OGAMC0_C;
-	uint32_t saveOV_OGAMC1_C;
-	uint32_t saveOV_OGAMC2_C;
-	uint32_t saveOV_OGAMC3_C;
-	uint32_t saveOV_OGAMC4_C;
-	uint32_t saveOV_OGAMC5_C;
-
-	/* DSI register save */
-	uint32_t saveDEVICE_READY_REG;
-	uint32_t saveINTR_EN_REG;
-	uint32_t saveDSI_FUNC_PRG_REG;
-	uint32_t saveHS_TX_TIMEOUT_REG;
-	uint32_t saveLP_RX_TIMEOUT_REG;
-	uint32_t saveTURN_AROUND_TIMEOUT_REG;
-	uint32_t saveDEVICE_RESET_REG;
-	uint32_t saveDPI_RESOLUTION_REG;
-	uint32_t saveHORIZ_SYNC_PAD_COUNT_REG;
-	uint32_t saveHORIZ_BACK_PORCH_COUNT_REG;
-	uint32_t saveHORIZ_FRONT_PORCH_COUNT_REG;
-	uint32_t saveHORIZ_ACTIVE_AREA_COUNT_REG;
-	uint32_t saveVERT_SYNC_PAD_COUNT_REG;
-	uint32_t saveVERT_BACK_PORCH_COUNT_REG;
-	uint32_t saveVERT_FRONT_PORCH_COUNT_REG;
-	uint32_t saveHIGH_LOW_SWITCH_COUNT_REG;
-	uint32_t saveINIT_COUNT_REG;
-	uint32_t saveMAX_RET_PAK_REG;
-	uint32_t saveVIDEO_FMT_REG;
-	uint32_t saveEOT_DISABLE_REG;
-	uint32_t saveLP_BYTECLK_REG;
-	uint32_t saveHS_LS_DBI_ENABLE_REG;
-	uint32_t saveTXCLKESC_REG;
-	uint32_t saveDPHY_PARAM_REG;
-	uint32_t saveMIPI_CONTROL_REG;
-	uint32_t saveMIPI;
-	uint32_t saveMIPI_C;
-
-	/* DPST register save */
-	uint32_t saveHISTOGRAM_INT_CONTROL_REG;
-	uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
-	uint32_t savePWM_CONTROL_LOGIC;
-
-	/*
-	 * DSI info. 
-	 */
-	void * dbi_dsr_info;	
-	void * dbi_dpu_info;
-	void * dsi_configs[2];
-	/*
-	 * LID-Switch
-	 */
-	spinlock_t lid_lock;
-	struct timer_list lid_timer;
-	struct psb_intel_opregion opregion;
-	u32 *lid_state;
-	u32 lid_last_state;
-
-	/*
-	 * Watchdog
-	 */
-
-	uint32_t apm_reg;
-	uint16_t apm_base;
-
-	/*
-	 * Used for modifying backlight from
-	 * xrandr -- consider removing and using HAL instead
-	 */
-	struct backlight_device *backlight_device;
-	struct drm_property *backlight_property;
-	uint32_t blc_adj1;
-	uint32_t blc_adj2;
-
-	void *fbdev;
-	/* DPST state */
-	uint32_t dsr_idle_count;
-	bool is_in_idle;
-	bool dsr_enable;
-	void (*exit_idle)(struct drm_device *dev, u32 update_src);
-
-	/* 2D acceleration */
-	spinlock_t lock_2d;
-
-	/* FIXME: Arrays anyone ? */
-	struct mdfld_dsi_encoder *encoder0;	
-	struct mdfld_dsi_encoder *encoder2;	
-	struct mdfld_dsi_dbi_output * dbi_output;
-	struct mdfld_dsi_dbi_output * dbi_output2;
-	u32 bpp;
-	u32 bpp2;
-	
-	bool dispstatus;
-};
-
-
-/*
- *	Operations for each board type
- */
- 
-struct psb_ops {
-	const char *name;
-	unsigned int accel_2d:1;
-	int pipes;		/* Number of output pipes */
-	int crtcs;		/* Number of CRTCs */
-	int sgx_offset;		/* Base offset of SGX device */
-
-	/* Sub functions */
-	struct drm_crtc_helper_funcs const *crtc_helper;
-	struct drm_crtc_funcs const *crtc_funcs;
-
-	/* Setup hooks */
-	int (*chip_setup)(struct drm_device *dev);
-	void (*chip_teardown)(struct drm_device *dev);
-
-	/* Display management hooks */
-	int (*output_init)(struct drm_device *dev);
-	/* Power management hooks */
-	void (*init_pm)(struct drm_device *dev);
-	int (*save_regs)(struct drm_device *dev);
-	int (*restore_regs)(struct drm_device *dev);
-	int (*power_up)(struct drm_device *dev);
-	int (*power_down)(struct drm_device *dev);
-
-	void (*lvds_bl_power)(struct drm_device *dev, bool on);
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-	/* Backlight */
-	int (*backlight_init)(struct drm_device *dev);
-#endif
-	int i2c_bus;		/* I2C bus identifier for Moorestown */
-};
-
-
-
-struct psb_mmu_driver;
-
-extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
-extern int drm_pick_crtcs(struct drm_device *dev);
-
-static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
-{
-	return (struct drm_psb_private *) dev->dev_private;
-}
-
-/*
- * MMU stuff.
- */
-
-extern struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers,
-					int trap_pagefaults,
-					int invalid_type,
-					struct drm_psb_private *dev_priv);
-extern void psb_mmu_driver_takedown(struct psb_mmu_driver *driver);
-extern struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver
-						 *driver);
-extern void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd, uint32_t mmu_offset,
-			       uint32_t gtt_start, uint32_t gtt_pages);
-extern struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
-					   int trap_pagefaults,
-					   int invalid_type);
-extern void psb_mmu_free_pagedir(struct psb_mmu_pd *pd);
-extern void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot);
-extern void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
-					unsigned long address,
-					uint32_t num_pages);
-extern int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd,
-				       uint32_t start_pfn,
-				       unsigned long address,
-				       uint32_t num_pages, int type);
-extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
-				  unsigned long *pfn);
-
-/*
- * Enable / disable MMU for different requestors.
- */
-
-
-extern void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context);
-extern int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
-				unsigned long address, uint32_t num_pages,
-				uint32_t desired_tile_stride,
-				uint32_t hw_tile_stride, int type);
-extern void psb_mmu_remove_pages(struct psb_mmu_pd *pd,
-				 unsigned long address, uint32_t num_pages,
-				 uint32_t desired_tile_stride,
-				 uint32_t hw_tile_stride);
-/*
- *psb_irq.c
- */
-
-extern irqreturn_t psb_irq_handler(DRM_IRQ_ARGS);
-extern int psb_irq_enable_dpst(struct drm_device *dev);
-extern int psb_irq_disable_dpst(struct drm_device *dev);
-extern void psb_irq_preinstall(struct drm_device *dev);
-extern int psb_irq_postinstall(struct drm_device *dev);
-extern void psb_irq_uninstall(struct drm_device *dev);
-extern void psb_irq_turn_on_dpst(struct drm_device *dev);
-extern void psb_irq_turn_off_dpst(struct drm_device *dev);
-
-extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
-extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
-extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
-extern int psb_enable_vblank(struct drm_device *dev, int crtc);
-extern void psb_disable_vblank(struct drm_device *dev, int crtc);
-void
-psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
-
-void
-psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
-
-extern u32 psb_get_vblank_counter(struct drm_device *dev, int crtc);
-
-extern int mdfld_enable_te(struct drm_device *dev, int pipe);
-extern void mdfld_disable_te(struct drm_device *dev, int pipe);
-
-/*
- * intel_opregion.c
- */
-extern int gma_intel_opregion_init(struct drm_device *dev);
-extern int gma_intel_opregion_exit(struct drm_device *dev);
-
-/*
- * framebuffer.c
- */
-extern int psbfb_probed(struct drm_device *dev);
-extern int psbfb_remove(struct drm_device *dev,
-			struct drm_framebuffer *fb);
-/*
- * accel_2d.c
- */
-extern void psbfb_copyarea(struct fb_info *info,
-					const struct fb_copyarea *region);
-extern int psbfb_sync(struct fb_info *info);
-extern void psb_spank(struct drm_psb_private *dev_priv);
-extern int psb_accel_ioctl(struct drm_device *dev, void *data,
-							struct drm_file *file);
-
-/*
- * psb_reset.c
- */
-
-extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
-extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
-extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
-
-/* modesetting */
-extern void psb_modeset_init(struct drm_device *dev);
-extern void psb_modeset_cleanup(struct drm_device *dev);
-extern int psb_fbdev_init(struct drm_device *dev);
-
-/* backlight.c */
-int gma_backlight_init(struct drm_device *dev);
-void gma_backlight_exit(struct drm_device *dev);
-
-/* mrst_crtc.c */
-extern const struct drm_crtc_helper_funcs mrst_helper_funcs;
-
-/* mrst_lvds.c */
-extern void mrst_lvds_init(struct drm_device *dev,
-		    struct psb_intel_mode_device *mode_dev);
-
-/* psb_intel_display.c */
-extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
-extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
-
-/* psb_intel_lvds.c */
-extern const struct drm_connector_helper_funcs
-					psb_intel_lvds_connector_helper_funcs;
-extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
-
-/* gem.c */
-extern int psb_gem_init_object(struct drm_gem_object *obj);
-extern void psb_gem_free_object(struct drm_gem_object *obj);
-extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
-			struct drm_file *file);
-extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
-			struct drm_mode_create_dumb *args);
-extern int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
-			uint32_t handle);
-extern int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
-			uint32_t handle, uint64_t *offset);
-extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
-extern int psb_gem_create_ioctl(struct drm_device *dev, void *data,
-			struct drm_file *file);
-extern int psb_gem_mmap_ioctl(struct drm_device *dev, void *data,
-					struct drm_file *file);
-
-/* psb_device.c */
-extern const struct psb_ops psb_chip_ops;
-
-/* mrst_device.c */
-extern const struct psb_ops mrst_chip_ops;
-
-/* mdfld_device.c */
-extern const struct psb_ops mdfld_chip_ops;
-
-/* cdv_device.c */
-extern const struct psb_ops cdv_chip_ops;
-
-/*
- * Debug print bits setting
- */
-#define PSB_D_GENERAL (1 << 0)
-#define PSB_D_INIT    (1 << 1)
-#define PSB_D_IRQ     (1 << 2)
-#define PSB_D_ENTRY   (1 << 3)
-/* debug the get H/V BP/FP count */
-#define PSB_D_HV      (1 << 4)
-#define PSB_D_DBI_BF  (1 << 5)
-#define PSB_D_PM      (1 << 6)
-#define PSB_D_RENDER  (1 << 7)
-#define PSB_D_REG     (1 << 8)
-#define PSB_D_MSVDX   (1 << 9)
-#define PSB_D_TOPAZ   (1 << 10)
-
-extern int drm_psb_no_fb;
-extern int drm_idle_check_interval;
-
-/*
- *	Utilities
- */
-
-static inline u32 MRST_MSG_READ32(uint port, uint offset)
-{
-	int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
-	uint32_t ret_val = 0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_read_config_dword(pci_root, 0xD4, &ret_val);
-	pci_dev_put(pci_root);
-	return ret_val;
-}
-static inline void MRST_MSG_WRITE32(uint port, uint offset, u32 value)
-{
-	int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD4, value);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_dev_put(pci_root);
-}
-static inline u32 MDFLD_MSG_READ32(uint port, uint offset)
-{
-	int mcr = (0x10<<24) | (port << 16) | (offset << 8);
-	uint32_t ret_val = 0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_read_config_dword(pci_root, 0xD4, &ret_val);
-	pci_dev_put(pci_root);
-	return ret_val;
-}
-static inline void MDFLD_MSG_WRITE32(uint port, uint offset, u32 value)
-{
-	int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-	pci_write_config_dword(pci_root, 0xD4, value);
-	pci_write_config_dword(pci_root, 0xD0, mcr);
-	pci_dev_put(pci_root);
-}
-
-static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	return ioread32(dev_priv->vdc_reg + reg);
-}
-
-#define REG_READ(reg)	       REGISTER_READ(dev, (reg))
-
-static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
-				      uint32_t val)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	iowrite32((val), dev_priv->vdc_reg + (reg));
-}
-
-#define REG_WRITE(reg, val)	REGISTER_WRITE(dev, (reg), (val))
-
-static inline void REGISTER_WRITE16(struct drm_device *dev,
-					uint32_t reg, uint32_t val)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	iowrite16((val), dev_priv->vdc_reg + (reg));
-}
-
-#define REG_WRITE16(reg, val)	  REGISTER_WRITE16(dev, (reg), (val))
-
-static inline void REGISTER_WRITE8(struct drm_device *dev,
-				       uint32_t reg, uint32_t val)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	iowrite8((val), dev_priv->vdc_reg + (reg));
-}
-
-#define REG_WRITE8(reg, val)		REGISTER_WRITE8(dev, (reg), (val))
-
-#define PSB_WVDC32(_val, _offs)		iowrite32(_val, dev_priv->vdc_reg + (_offs))
-#define PSB_RVDC32(_offs)		ioread32(dev_priv->vdc_reg + (_offs))
-
-/* #define TRAP_SGX_PM_FAULT 1 */
-#ifdef TRAP_SGX_PM_FAULT
-#define PSB_RSGX32(_offs)						\
-({									\
-	if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {		\
-		printk(KERN_ERR						\
-			"access sgx when it's off!! (READ) %s, %d\n",	\
-	       __FILE__, __LINE__);					\
-		melay(1000);						\
-	}								\
-	ioread32(dev_priv->sgx_reg + (_offs));				\
-})
-#else
-#define PSB_RSGX32(_offs)		ioread32(dev_priv->sgx_reg + (_offs))
-#endif
-#define PSB_WSGX32(_val, _offs)		iowrite32(_val, dev_priv->sgx_reg + (_offs))
-
-#define MSVDX_REG_DUMP 0
-
-#define PSB_WMSVDX32(_val, _offs)	iowrite32(_val, dev_priv->msvdx_reg + (_offs))
-#define PSB_RMSVDX32(_offs)		ioread32(dev_priv->msvdx_reg + (_offs))
-
-#endif
diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c
deleted file mode 100644
index 85659613ae62..000000000000
--- a/drivers/staging/gma500/psb_intel_display.c
+++ /dev/null
@@ -1,1429 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/drmP.h>
-#include "framebuffer.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_display.h"
-#include "power.h"
-
-#include "mdfld_output.h"
-
-struct psb_intel_clock_t {
-	/* given values */
-	int n;
-	int m1, m2;
-	int p1, p2;
-	/* derived values */
-	int dot;
-	int vco;
-	int m;
-	int p;
-};
-
-struct psb_intel_range_t {
-	int min, max;
-};
-
-struct psb_intel_p2_t {
-	int dot_limit;
-	int p2_slow, p2_fast;
-};
-
-#define INTEL_P2_NUM		      2
-
-struct psb_intel_limit_t {
-	struct psb_intel_range_t dot, vco, n, m, m1, m2, p, p1;
-	struct psb_intel_p2_t p2;
-};
-
-#define I8XX_DOT_MIN		  25000
-#define I8XX_DOT_MAX		 350000
-#define I8XX_VCO_MIN		 930000
-#define I8XX_VCO_MAX		1400000
-#define I8XX_N_MIN		      3
-#define I8XX_N_MAX		     16
-#define I8XX_M_MIN		     96
-#define I8XX_M_MAX		    140
-#define I8XX_M1_MIN		     18
-#define I8XX_M1_MAX		     26
-#define I8XX_M2_MIN		      6
-#define I8XX_M2_MAX		     16
-#define I8XX_P_MIN		      4
-#define I8XX_P_MAX		    128
-#define I8XX_P1_MIN		      2
-#define I8XX_P1_MAX		     33
-#define I8XX_P1_LVDS_MIN	      1
-#define I8XX_P1_LVDS_MAX	      6
-#define I8XX_P2_SLOW		      4
-#define I8XX_P2_FAST		      2
-#define I8XX_P2_LVDS_SLOW	      14
-#define I8XX_P2_LVDS_FAST	      14	/* No fast option */
-#define I8XX_P2_SLOW_LIMIT	 165000
-
-#define I9XX_DOT_MIN		  20000
-#define I9XX_DOT_MAX		 400000
-#define I9XX_VCO_MIN		1400000
-#define I9XX_VCO_MAX		2800000
-#define I9XX_N_MIN		      3
-#define I9XX_N_MAX		      8
-#define I9XX_M_MIN		     70
-#define I9XX_M_MAX		    120
-#define I9XX_M1_MIN		     10
-#define I9XX_M1_MAX		     20
-#define I9XX_M2_MIN		      5
-#define I9XX_M2_MAX		      9
-#define I9XX_P_SDVO_DAC_MIN	      5
-#define I9XX_P_SDVO_DAC_MAX	     80
-#define I9XX_P_LVDS_MIN		      7
-#define I9XX_P_LVDS_MAX		     98
-#define I9XX_P1_MIN		      1
-#define I9XX_P1_MAX		      8
-#define I9XX_P2_SDVO_DAC_SLOW		     10
-#define I9XX_P2_SDVO_DAC_FAST		      5
-#define I9XX_P2_SDVO_DAC_SLOW_LIMIT	 200000
-#define I9XX_P2_LVDS_SLOW		     14
-#define I9XX_P2_LVDS_FAST		      7
-#define I9XX_P2_LVDS_SLOW_LIMIT		 112000
-
-#define INTEL_LIMIT_I8XX_DVO_DAC    0
-#define INTEL_LIMIT_I8XX_LVDS	    1
-#define INTEL_LIMIT_I9XX_SDVO_DAC   2
-#define INTEL_LIMIT_I9XX_LVDS	    3
-
-static const struct psb_intel_limit_t psb_intel_limits[] = {
-	{			/* INTEL_LIMIT_I8XX_DVO_DAC */
-	 .dot = {.min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX},
-	 .vco = {.min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX},
-	 .n = {.min = I8XX_N_MIN, .max = I8XX_N_MAX},
-	 .m = {.min = I8XX_M_MIN, .max = I8XX_M_MAX},
-	 .m1 = {.min = I8XX_M1_MIN, .max = I8XX_M1_MAX},
-	 .m2 = {.min = I8XX_M2_MIN, .max = I8XX_M2_MAX},
-	 .p = {.min = I8XX_P_MIN, .max = I8XX_P_MAX},
-	 .p1 = {.min = I8XX_P1_MIN, .max = I8XX_P1_MAX},
-	 .p2 = {.dot_limit = I8XX_P2_SLOW_LIMIT,
-		.p2_slow = I8XX_P2_SLOW, .p2_fast = I8XX_P2_FAST},
-	 },
-	{			/* INTEL_LIMIT_I8XX_LVDS */
-	 .dot = {.min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX},
-	 .vco = {.min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX},
-	 .n = {.min = I8XX_N_MIN, .max = I8XX_N_MAX},
-	 .m = {.min = I8XX_M_MIN, .max = I8XX_M_MAX},
-	 .m1 = {.min = I8XX_M1_MIN, .max = I8XX_M1_MAX},
-	 .m2 = {.min = I8XX_M2_MIN, .max = I8XX_M2_MAX},
-	 .p = {.min = I8XX_P_MIN, .max = I8XX_P_MAX},
-	 .p1 = {.min = I8XX_P1_LVDS_MIN, .max = I8XX_P1_LVDS_MAX},
-	 .p2 = {.dot_limit = I8XX_P2_SLOW_LIMIT,
-		.p2_slow = I8XX_P2_LVDS_SLOW, .p2_fast = I8XX_P2_LVDS_FAST},
-	 },
-	{			/* INTEL_LIMIT_I9XX_SDVO_DAC */
-	 .dot = {.min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX},
-	 .vco = {.min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX},
-	 .n = {.min = I9XX_N_MIN, .max = I9XX_N_MAX},
-	 .m = {.min = I9XX_M_MIN, .max = I9XX_M_MAX},
-	 .m1 = {.min = I9XX_M1_MIN, .max = I9XX_M1_MAX},
-	 .m2 = {.min = I9XX_M2_MIN, .max = I9XX_M2_MAX},
-	 .p = {.min = I9XX_P_SDVO_DAC_MIN, .max = I9XX_P_SDVO_DAC_MAX},
-	 .p1 = {.min = I9XX_P1_MIN, .max = I9XX_P1_MAX},
-	 .p2 = {.dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT,
-		.p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast =
-		I9XX_P2_SDVO_DAC_FAST},
-	 },
-	{			/* INTEL_LIMIT_I9XX_LVDS */
-	 .dot = {.min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX},
-	 .vco = {.min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX},
-	 .n = {.min = I9XX_N_MIN, .max = I9XX_N_MAX},
-	 .m = {.min = I9XX_M_MIN, .max = I9XX_M_MAX},
-	 .m1 = {.min = I9XX_M1_MIN, .max = I9XX_M1_MAX},
-	 .m2 = {.min = I9XX_M2_MIN, .max = I9XX_M2_MAX},
-	 .p = {.min = I9XX_P_LVDS_MIN, .max = I9XX_P_LVDS_MAX},
-	 .p1 = {.min = I9XX_P1_MIN, .max = I9XX_P1_MAX},
-	 /* The single-channel range is 25-112Mhz, and dual-channel
-	  * is 80-224Mhz.  Prefer single channel as much as possible.
-	  */
-	 .p2 = {.dot_limit = I9XX_P2_LVDS_SLOW_LIMIT,
-		.p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_FAST},
-	 },
-};
-
-static const struct psb_intel_limit_t *psb_intel_limit(struct drm_crtc *crtc)
-{
-	const struct psb_intel_limit_t *limit;
-
-	if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
-		limit = &psb_intel_limits[INTEL_LIMIT_I9XX_LVDS];
-	else
-		limit = &psb_intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC];
-	return limit;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-
-static void i8xx_clock(int refclk, struct psb_intel_clock_t *clock)
-{
-	clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
-	clock->p = clock->p1 * clock->p2;
-	clock->vco = refclk * clock->m / (clock->n + 2);
-	clock->dot = clock->vco / clock->p;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 9xx chips. */
-
-static void i9xx_clock(int refclk, struct psb_intel_clock_t *clock)
-{
-	clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
-	clock->p = clock->p1 * clock->p2;
-	clock->vco = refclk * clock->m / (clock->n + 2);
-	clock->dot = clock->vco / clock->p;
-}
-
-static void psb_intel_clock(struct drm_device *dev, int refclk,
-			struct psb_intel_clock_t *clock)
-{
-	return i9xx_clock(refclk, clock);
-}
-
-/**
- * Returns whether any output on the specified pipe is of the specified type
- */
-bool psb_intel_pipe_has_type(struct drm_crtc *crtc, int type)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *l_entry;
-
-	list_for_each_entry(l_entry, &mode_config->connector_list, head) {
-		if (l_entry->encoder && l_entry->encoder->crtc == crtc) {
-			struct psb_intel_output *psb_intel_output =
-			    to_psb_intel_output(l_entry);
-			if (psb_intel_output->type == type)
-				return true;
-		}
-	}
-	return false;
-}
-
-#define INTELPllInvalid(s)   { /* ErrorF (s) */; return false; }
-/**
- * Returns whether the given set of divisors are valid for a given refclk with
- * the given connectors.
- */
-
-static bool psb_intel_PLL_is_valid(struct drm_crtc *crtc,
-			       struct psb_intel_clock_t *clock)
-{
-	const struct psb_intel_limit_t *limit = psb_intel_limit(crtc);
-
-	if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
-		INTELPllInvalid("p1 out of range\n");
-	if (clock->p < limit->p.min || limit->p.max < clock->p)
-		INTELPllInvalid("p out of range\n");
-	if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2)
-		INTELPllInvalid("m2 out of range\n");
-	if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1)
-		INTELPllInvalid("m1 out of range\n");
-	if (clock->m1 <= clock->m2)
-		INTELPllInvalid("m1 <= m2\n");
-	if (clock->m < limit->m.min || limit->m.max < clock->m)
-		INTELPllInvalid("m out of range\n");
-	if (clock->n < limit->n.min || limit->n.max < clock->n)
-		INTELPllInvalid("n out of range\n");
-	if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
-		INTELPllInvalid("vco out of range\n");
-	/* XXX: We may need to be checking "Dot clock"
-	 * depending on the multiplier, connector, etc.,
-	 * rather than just a single range.
-	 */
-	if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
-		INTELPllInvalid("dot out of range\n");
-
-	return true;
-}
-
-/**
- * Returns a set of divisors for the desired target clock with the given
- * refclk, or FALSE.  The returned values represent the clock equation:
- * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
- */
-static bool psb_intel_find_best_PLL(struct drm_crtc *crtc, int target,
-				int refclk,
-				struct psb_intel_clock_t *best_clock)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_clock_t clock;
-	const struct psb_intel_limit_t *limit = psb_intel_limit(crtc);
-	int err = target;
-
-	if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
-	    (REG_READ(LVDS) & LVDS_PORT_EN) != 0) {
-		/*
-		 * For LVDS, if the panel is on, just rely on its current
-		 * settings for dual-channel.  We haven't figured out how to
-		 * reliably set up different single/dual channel state, if we
-		 * even can.
-		 */
-		if ((REG_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
-		    LVDS_CLKB_POWER_UP)
-			clock.p2 = limit->p2.p2_fast;
-		else
-			clock.p2 = limit->p2.p2_slow;
-	} else {
-		if (target < limit->p2.dot_limit)
-			clock.p2 = limit->p2.p2_slow;
-		else
-			clock.p2 = limit->p2.p2_fast;
-	}
-
-	memset(best_clock, 0, sizeof(*best_clock));
-
-	for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max;
-	     clock.m1++) {
-		for (clock.m2 = limit->m2.min;
-		     clock.m2 < clock.m1 && clock.m2 <= limit->m2.max;
-		     clock.m2++) {
-			for (clock.n = limit->n.min;
-			     clock.n <= limit->n.max; clock.n++) {
-				for (clock.p1 = limit->p1.min;
-				     clock.p1 <= limit->p1.max;
-				     clock.p1++) {
-					int this_err;
-
-					psb_intel_clock(dev, refclk, &clock);
-
-					if (!psb_intel_PLL_is_valid
-					    (crtc, &clock))
-						continue;
-
-					this_err = abs(clock.dot - target);
-					if (this_err < err) {
-						*best_clock = clock;
-						err = this_err;
-					}
-				}
-			}
-		}
-	}
-
-	return err != target;
-}
-
-void psb_intel_wait_for_vblank(struct drm_device *dev)
-{
-	/* Wait for 20ms, i.e. one cycle at 50hz. */
-	mdelay(20);
-}
-
-int psb_intel_pipe_set_base(struct drm_crtc *crtc,
-			    int x, int y, struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_i915_master_private *master_priv; */
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-	int pipe = psb_intel_crtc->pipe;
-	unsigned long start, offset;
-	int dspbase = (pipe == 0 ? DSPABASE : DSPBBASE);
-	int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
-	int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	u32 dspcntr;
-	int ret = 0;
-
-	if (!gma_power_begin(dev, true))
-		return 0;
-
-	/* no fb bound */
-	if (!crtc->fb) {
-		dev_dbg(dev->dev, "No FB bound\n");
-		goto psb_intel_pipe_cleaner;
-	}
-
-	/* We are displaying this buffer, make sure it is actually loaded
-	   into the GTT */
-	ret = psb_gtt_pin(psbfb->gtt);
-	if (ret < 0)
-		goto psb_intel_pipe_set_base_exit;
-	start = psbfb->gtt->offset;
-
-	offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-	REG_WRITE(dspstride, crtc->fb->pitches[0]);
-
-	dspcntr = REG_READ(dspcntr_reg);
-	dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-	switch (crtc->fb->bits_per_pixel) {
-	case 8:
-		dspcntr |= DISPPLANE_8BPP;
-		break;
-	case 16:
-		if (crtc->fb->depth == 15)
-			dspcntr |= DISPPLANE_15_16BPP;
-		else
-			dspcntr |= DISPPLANE_16BPP;
-		break;
-	case 24:
-	case 32:
-		dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-		break;
-	default:
-		dev_err(dev->dev, "Unknown color depth\n");
-		ret = -EINVAL;
-		psb_gtt_unpin(psbfb->gtt);
-		goto psb_intel_pipe_set_base_exit;
-	}
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-
-	if (0 /* FIXMEAC - check what PSB needs */) {
-		REG_WRITE(dspbase, offset);
-		REG_READ(dspbase);
-		REG_WRITE(dspsurf, start);
-		REG_READ(dspsurf);
-	} else {
-		REG_WRITE(dspbase, start + offset);
-		REG_READ(dspbase);
-	}
-
-psb_intel_pipe_cleaner:
-	/* If there was a previous display we can now unpin it */
-	if (old_fb)
-		psb_gtt_unpin(to_psb_fb(old_fb)->gtt);
-
-psb_intel_pipe_set_base_exit:
-	gma_power_end(dev);
-	return ret;
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void psb_intel_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_i915_master_private *master_priv; */
-	/* struct drm_i915_private *dev_priv = dev->dev_private; */
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int dspbase_reg = (pipe == 0) ? DSPABASE : DSPBBASE;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	u32 temp;
-	bool enabled;
-
-	/* XXX: When our outputs are all unaware of DPMS modes other than off
-	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-	 */
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-	case DRM_MODE_DPMS_STANDBY:
-	case DRM_MODE_DPMS_SUSPEND:
-		/* Enable the DPLL */
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) == 0) {
-			REG_WRITE(dpll_reg, temp);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-			REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-			/* Wait for the clocks to stabilize. */
-			udelay(150);
-		}
-
-		/* Enable the pipe */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) == 0)
-			REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
-
-		/* Enable the plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp | DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-		}
-
-		psb_intel_crtc_load_lut(crtc);
-
-		/* Give the overlay scaler a chance to enable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, true); TODO */
-		break;
-	case DRM_MODE_DPMS_OFF:
-		/* Give the overlay scaler a chance to disable
-		 * if it's on this pipe */
-		/* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-
-		/* Disable the VGA plane that we never use */
-		REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-		/* Disable display plane */
-		temp = REG_READ(dspcntr_reg);
-		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-			REG_WRITE(dspcntr_reg,
-				  temp & ~DISPLAY_PLANE_ENABLE);
-			/* Flush the plane changes */
-			REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-			REG_READ(dspbase_reg);
-		}
-
-		/* Next, disable display pipes */
-		temp = REG_READ(pipeconf_reg);
-		if ((temp & PIPEACONF_ENABLE) != 0) {
-			REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
-			REG_READ(pipeconf_reg);
-		}
-
-		/* Wait for vblank for the disable to take effect. */
-		psb_intel_wait_for_vblank(dev);
-
-		temp = REG_READ(dpll_reg);
-		if ((temp & DPLL_VCO_ENABLE) != 0) {
-			REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
-			REG_READ(dpll_reg);
-		}
-
-		/* Wait for the clocks to turn off. */
-		udelay(150);
-		break;
-	}
-
-	enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-
-	/*Set FIFO Watermarks*/
-	REG_WRITE(DSPARB, 0x3F3E);
-}
-
-static void psb_intel_crtc_prepare(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void psb_intel_crtc_commit(struct drm_crtc *crtc)
-{
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-void psb_intel_encoder_prepare(struct drm_encoder *encoder)
-{
-	struct drm_encoder_helper_funcs *encoder_funcs =
-	    encoder->helper_private;
-	/* lvds has its own version of prepare see psb_intel_lvds_prepare */
-	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
-}
-
-void psb_intel_encoder_commit(struct drm_encoder *encoder)
-{
-	struct drm_encoder_helper_funcs *encoder_funcs =
-	    encoder->helper_private;
-	/* lvds has its own version of commit see psb_intel_lvds_commit */
-	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
-}
-
-static bool psb_intel_crtc_mode_fixup(struct drm_crtc *crtc,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	return true;
-}
-
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int psb_intel_panel_fitter_pipe(struct drm_device *dev)
-{
-	u32 pfit_control;
-
-	pfit_control = REG_READ(PFIT_CONTROL);
-
-	/* See if the panel fitter is in use */
-	if ((pfit_control & PFIT_ENABLE) == 0)
-		return -1;
-	/* Must be on PIPE 1 for PSB */
-	return 1;
-}
-
-static int psb_intel_crtc_mode_set(struct drm_crtc *crtc,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode,
-			       int x, int y,
-			       struct drm_framebuffer *old_fb)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-	int pipe = psb_intel_crtc->pipe;
-	int fp_reg = (pipe == 0) ? FPA0 : FPB0;
-	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-	int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-	int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-	int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-	int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-	int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-	int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-	int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-	int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
-	int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
-	int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-	int refclk;
-	struct psb_intel_clock_t clock;
-	u32 dpll = 0, fp = 0, dspcntr, pipeconf;
-	bool ok, is_sdvo = false, is_dvo = false;
-	bool is_crt = false, is_lvds = false, is_tv = false;
-	struct drm_mode_config *mode_config = &dev->mode_config;
-	struct drm_connector *connector;
-
-	/* No scan out no play */
-	if (crtc->fb == NULL) {
-		crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-		return 0;
-	}
-
-	list_for_each_entry(connector, &mode_config->connector_list, head) {
-		struct psb_intel_output *psb_intel_output =
-		    to_psb_intel_output(connector);
-
-		if (!connector->encoder
-		    || connector->encoder->crtc != crtc)
-			continue;
-
-		switch (psb_intel_output->type) {
-		case INTEL_OUTPUT_LVDS:
-			is_lvds = true;
-			break;
-		case INTEL_OUTPUT_SDVO:
-			is_sdvo = true;
-			break;
-		case INTEL_OUTPUT_DVO:
-			is_dvo = true;
-			break;
-		case INTEL_OUTPUT_TVOUT:
-			is_tv = true;
-			break;
-		case INTEL_OUTPUT_ANALOG:
-			is_crt = true;
-			break;
-		}
-	}
-
-	refclk = 96000;
-
-	ok = psb_intel_find_best_PLL(crtc, adjusted_mode->clock, refclk,
-				 &clock);
-	if (!ok) {
-		dev_err(dev->dev, "Couldn't find PLL settings for mode!\n");
-		return 0;
-	}
-
-	fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
-
-	dpll = DPLL_VGA_MODE_DIS;
-	if (is_lvds) {
-		dpll |= DPLLB_MODE_LVDS;
-		dpll |= DPLL_DVO_HIGH_SPEED;
-	} else
-		dpll |= DPLLB_MODE_DAC_SERIAL;
-	if (is_sdvo) {
-		int sdvo_pixel_multiply =
-			    adjusted_mode->clock / mode->clock;
-		dpll |= DPLL_DVO_HIGH_SPEED;
-		dpll |=
-		    (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
-	}
-
-	/* compute bitmask from p1 value */
-	dpll |= (1 << (clock.p1 - 1)) << 16;
-	switch (clock.p2) {
-	case 5:
-		dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
-		break;
-	case 7:
-		dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7;
-		break;
-	case 10:
-		dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10;
-		break;
-	case 14:
-		dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
-		break;
-	}
-
-	if (is_tv) {
-		/* XXX: just matching BIOS for now */
-/*	dpll |= PLL_REF_INPUT_TVCLKINBC; */
-		dpll |= 3;
-	}
-	dpll |= PLL_REF_INPUT_DREFCLK;
-
-	/* setup pipeconf */
-	pipeconf = REG_READ(pipeconf_reg);
-
-	/* Set up the display plane register */
-	dspcntr = DISPPLANE_GAMMA_ENABLE;
-
-	if (pipe == 0)
-		dspcntr |= DISPPLANE_SEL_PIPE_A;
-	else
-		dspcntr |= DISPPLANE_SEL_PIPE_B;
-
-	dspcntr |= DISPLAY_PLANE_ENABLE;
-	pipeconf |= PIPEACONF_ENABLE;
-	dpll |= DPLL_VCO_ENABLE;
-
-
-	/* Disable the panel fitter if it was on our pipe */
-	if (psb_intel_panel_fitter_pipe(dev) == pipe)
-		REG_WRITE(PFIT_CONTROL, 0);
-
-	drm_mode_debug_printmodeline(mode);
-
-	if (dpll & DPLL_VCO_ENABLE) {
-		REG_WRITE(fp_reg, fp);
-		REG_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
-		REG_READ(dpll_reg);
-		udelay(150);
-	}
-
-	/* The LVDS pin pair needs to be on before the DPLLs are enabled.
-	 * This is an exception to the general rule that mode_set doesn't turn
-	 * things on.
-	 */
-	if (is_lvds) {
-		u32 lvds = REG_READ(LVDS);
-
-		lvds &= ~LVDS_PIPEB_SELECT;
-		if (pipe == 1)
-			lvds |= LVDS_PIPEB_SELECT;
-
-		lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
-		/* Set the B0-B3 data pairs corresponding to
-		 * whether we're going to
-		 * set the DPLLs for dual-channel mode or not.
-		 */
-		lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
-		if (clock.p2 == 7)
-			lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
-
-		/* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
-		 * appropriately here, but we need to look more
-		 * thoroughly into how panels behave in the two modes.
-		 */
-
-		REG_WRITE(LVDS, lvds);
-		REG_READ(LVDS);
-	}
-
-	REG_WRITE(fp_reg, fp);
-	REG_WRITE(dpll_reg, dpll);
-	REG_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150);
-
-	/* write it again -- the BIOS does, after all */
-	REG_WRITE(dpll_reg, dpll);
-
-	REG_READ(dpll_reg);
-	/* Wait for the clocks to stabilize. */
-	udelay(150);
-
-	REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-		  ((adjusted_mode->crtc_htotal - 1) << 16));
-	REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-		  ((adjusted_mode->crtc_hblank_end - 1) << 16));
-	REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-		  ((adjusted_mode->crtc_hsync_end - 1) << 16));
-	REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-		  ((adjusted_mode->crtc_vtotal - 1) << 16));
-	REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-		  ((adjusted_mode->crtc_vblank_end - 1) << 16));
-	REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-		  ((adjusted_mode->crtc_vsync_end - 1) << 16));
-	/* pipesrc and dspsize control the size that is scaled from,
-	 * which should always be the user's requested size.
-	 */
-	REG_WRITE(dspsize_reg,
-		  ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
-	REG_WRITE(dsppos_reg, 0);
-	REG_WRITE(pipesrc_reg,
-		  ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
-	REG_WRITE(pipeconf_reg, pipeconf);
-	REG_READ(pipeconf_reg);
-
-	psb_intel_wait_for_vblank(dev);
-
-	REG_WRITE(dspcntr_reg, dspcntr);
-
-	/* Flush the plane changes */
-	crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-
-	psb_intel_wait_for_vblank(dev);
-
-	return 0;
-}
-
-/** Loads the palette/gamma unit for the CRTC with the prepared values */
-void psb_intel_crtc_load_lut(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_psb_private *dev_priv =
-				(struct drm_psb_private *)dev->dev_private;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int palreg = PALETTE_A;
-	int i;
-
-	/* The clocks have to be on to load the palette. */
-	if (!crtc->enabled)
-		return;
-
-	switch (psb_intel_crtc->pipe) {
-	case 0:
-		break;
-	case 1:
-		palreg = PALETTE_B;
-		break;
-	case 2:
-		palreg = PALETTE_C;
-		break;
-	default:
-		dev_err(dev->dev, "Illegal Pipe Number.\n");
-		return;
-	}
-
-	if (gma_power_begin(dev, false)) {
-		for (i = 0; i < 256; i++) {
-			REG_WRITE(palreg + 4 * i,
-				  ((psb_intel_crtc->lut_r[i] +
-				  psb_intel_crtc->lut_adj[i]) << 16) |
-				  ((psb_intel_crtc->lut_g[i] +
-				  psb_intel_crtc->lut_adj[i]) << 8) |
-				  (psb_intel_crtc->lut_b[i] +
-				  psb_intel_crtc->lut_adj[i]));
-		}
-		gma_power_end(dev);
-	} else {
-		for (i = 0; i < 256; i++) {
-			dev_priv->save_palette_a[i] =
-				  ((psb_intel_crtc->lut_r[i] +
-				  psb_intel_crtc->lut_adj[i]) << 16) |
-				  ((psb_intel_crtc->lut_g[i] +
-				  psb_intel_crtc->lut_adj[i]) << 8) |
-				  (psb_intel_crtc->lut_b[i] +
-				  psb_intel_crtc->lut_adj[i]);
-		}
-
-	}
-}
-
-/**
- * Save HW states of giving crtc
- */
-static void psb_intel_crtc_save(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_psb_private *dev_priv =
-			(struct drm_psb_private *)dev->dev_private; */
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-	int pipeA = (psb_intel_crtc->pipe == 0);
-	uint32_t paletteReg;
-	int i;
-
-	if (!crtc_state) {
-		dev_err(dev->dev, "No CRTC state found\n");
-		return;
-	}
-
-	crtc_state->saveDSPCNTR = REG_READ(pipeA ? DSPACNTR : DSPBCNTR);
-	crtc_state->savePIPECONF = REG_READ(pipeA ? PIPEACONF : PIPEBCONF);
-	crtc_state->savePIPESRC = REG_READ(pipeA ? PIPEASRC : PIPEBSRC);
-	crtc_state->saveFP0 = REG_READ(pipeA ? FPA0 : FPB0);
-	crtc_state->saveFP1 = REG_READ(pipeA ? FPA1 : FPB1);
-	crtc_state->saveDPLL = REG_READ(pipeA ? DPLL_A : DPLL_B);
-	crtc_state->saveHTOTAL = REG_READ(pipeA ? HTOTAL_A : HTOTAL_B);
-	crtc_state->saveHBLANK = REG_READ(pipeA ? HBLANK_A : HBLANK_B);
-	crtc_state->saveHSYNC = REG_READ(pipeA ? HSYNC_A : HSYNC_B);
-	crtc_state->saveVTOTAL = REG_READ(pipeA ? VTOTAL_A : VTOTAL_B);
-	crtc_state->saveVBLANK = REG_READ(pipeA ? VBLANK_A : VBLANK_B);
-	crtc_state->saveVSYNC = REG_READ(pipeA ? VSYNC_A : VSYNC_B);
-	crtc_state->saveDSPSTRIDE = REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE);
-
-	/*NOTE: DSPSIZE DSPPOS only for psb*/
-	crtc_state->saveDSPSIZE = REG_READ(pipeA ? DSPASIZE : DSPBSIZE);
-	crtc_state->saveDSPPOS = REG_READ(pipeA ? DSPAPOS : DSPBPOS);
-
-	crtc_state->saveDSPBASE = REG_READ(pipeA ? DSPABASE : DSPBBASE);
-
-	paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-	for (i = 0; i < 256; ++i)
-		crtc_state->savePalette[i] = REG_READ(paletteReg + (i << 2));
-}
-
-/**
- * Restore HW states of giving crtc
- */
-static void psb_intel_crtc_restore(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	/* struct drm_psb_private * dev_priv =
-				(struct drm_psb_private *)dev->dev_private; */
-	struct psb_intel_crtc *psb_intel_crtc =  to_psb_intel_crtc(crtc);
-	struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-	/* struct drm_crtc_helper_funcs * crtc_funcs = crtc->helper_private; */
-	int pipeA = (psb_intel_crtc->pipe == 0);
-	uint32_t paletteReg;
-	int i;
-
-	if (!crtc_state) {
-		dev_err(dev->dev, "No crtc state\n");
-		return;
-	}
-
-	if (crtc_state->saveDPLL & DPLL_VCO_ENABLE) {
-		REG_WRITE(pipeA ? DPLL_A : DPLL_B,
-			crtc_state->saveDPLL & ~DPLL_VCO_ENABLE);
-		REG_READ(pipeA ? DPLL_A : DPLL_B);
-		udelay(150);
-	}
-
-	REG_WRITE(pipeA ? FPA0 : FPB0, crtc_state->saveFP0);
-	REG_READ(pipeA ? FPA0 : FPB0);
-
-	REG_WRITE(pipeA ? FPA1 : FPB1, crtc_state->saveFP1);
-	REG_READ(pipeA ? FPA1 : FPB1);
-
-	REG_WRITE(pipeA ? DPLL_A : DPLL_B, crtc_state->saveDPLL);
-	REG_READ(pipeA ? DPLL_A : DPLL_B);
-	udelay(150);
-
-	REG_WRITE(pipeA ? HTOTAL_A : HTOTAL_B, crtc_state->saveHTOTAL);
-	REG_WRITE(pipeA ? HBLANK_A : HBLANK_B, crtc_state->saveHBLANK);
-	REG_WRITE(pipeA ? HSYNC_A : HSYNC_B, crtc_state->saveHSYNC);
-	REG_WRITE(pipeA ? VTOTAL_A : VTOTAL_B, crtc_state->saveVTOTAL);
-	REG_WRITE(pipeA ? VBLANK_A : VBLANK_B, crtc_state->saveVBLANK);
-	REG_WRITE(pipeA ? VSYNC_A : VSYNC_B, crtc_state->saveVSYNC);
-	REG_WRITE(pipeA ? DSPASTRIDE : DSPBSTRIDE, crtc_state->saveDSPSTRIDE);
-
-	REG_WRITE(pipeA ? DSPASIZE : DSPBSIZE, crtc_state->saveDSPSIZE);
-	REG_WRITE(pipeA ? DSPAPOS : DSPBPOS, crtc_state->saveDSPPOS);
-
-	REG_WRITE(pipeA ? PIPEASRC : PIPEBSRC, crtc_state->savePIPESRC);
-	REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-	REG_WRITE(pipeA ? PIPEACONF : PIPEBCONF, crtc_state->savePIPECONF);
-
-	psb_intel_wait_for_vblank(dev);
-
-	REG_WRITE(pipeA ? DSPACNTR : DSPBCNTR, crtc_state->saveDSPCNTR);
-	REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-
-	psb_intel_wait_for_vblank(dev);
-
-	paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-	for (i = 0; i < 256; ++i)
-		REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]);
-}
-
-static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
-				 struct drm_file *file_priv,
-				 uint32_t handle,
-				 uint32_t width, uint32_t height)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
-	uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
-	uint32_t temp;
-	size_t addr = 0;
-	struct gtt_range *gt;
-	struct drm_gem_object *obj;
-	int ret;
-
-	/* if we want to turn of the cursor ignore width and height */
-	if (!handle) {
-		/* turn off the cursor */
-		temp = CURSOR_MODE_DISABLE;
-
-		if (gma_power_begin(dev, false)) {
-			REG_WRITE(control, temp);
-			REG_WRITE(base, 0);
-			gma_power_end(dev);
-		}
-
-		/* Unpin the old GEM object */
-		if (psb_intel_crtc->cursor_obj) {
-			gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-			psb_gtt_unpin(gt);
-			drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-			psb_intel_crtc->cursor_obj = NULL;
-		}
-
-		return 0;
-	}
-
-	/* Currently we only support 64x64 cursors */
-	if (width != 64 || height != 64) {
-		dev_dbg(dev->dev, "we currently only support 64x64 cursors\n");
-		return -EINVAL;
-	}
-
-	obj = drm_gem_object_lookup(dev, file_priv, handle);
-	if (!obj)
-		return -ENOENT;
-
-	if (obj->size < width * height * 4) {
-		dev_dbg(dev->dev, "buffer is to small\n");
-		return -ENOMEM;
-	}
-
-	gt = container_of(obj, struct gtt_range, gem);
-
-	/* Pin the memory into the GTT */
-	ret = psb_gtt_pin(gt);
-	if (ret) {
-		dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-		return ret;
-	}
-
-
-	addr = gt->offset;	/* Or resource.start ??? */
-
-	psb_intel_crtc->cursor_addr = addr;
-
-	temp = 0;
-	/* set the pipe for the cursor */
-	temp |= (pipe << 28);
-	temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
-
-	if (gma_power_begin(dev, false)) {
-		REG_WRITE(control, temp);
-		REG_WRITE(base, addr);
-		gma_power_end(dev);
-	}
-
-	/* unpin the old bo */
-	if (psb_intel_crtc->cursor_obj) {
-		gt = container_of(psb_intel_crtc->cursor_obj,
-							struct gtt_range, gem);
-		psb_gtt_unpin(gt);
-		drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-		psb_intel_crtc->cursor_obj = obj;
-	}
-	return 0;
-}
-
-static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
-{
-	struct drm_device *dev = crtc->dev;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	uint32_t temp = 0;
-	uint32_t addr;
-
-
-	if (x < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
-		x = -x;
-	}
-	if (y < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
-		y = -y;
-	}
-
-	temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-	temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
-
-	addr = psb_intel_crtc->cursor_addr;
-
-	if (gma_power_begin(dev, false)) {
-		REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
-		REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, addr);
-		gma_power_end(dev);
-	}
-	return 0;
-}
-
-void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-			 u16 *green, u16 *blue, uint32_t type, uint32_t size)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int i;
-
-	if (size != 256)
-		return;
-
-	for (i = 0; i < 256; i++) {
-		psb_intel_crtc->lut_r[i] = red[i] >> 8;
-		psb_intel_crtc->lut_g[i] = green[i] >> 8;
-		psb_intel_crtc->lut_b[i] = blue[i] >> 8;
-	}
-
-	psb_intel_crtc_load_lut(crtc);
-}
-
-static int psb_crtc_set_config(struct drm_mode_set *set)
-{
-	int ret;
-	struct drm_device *dev = set->crtc->dev;
-
-	pm_runtime_forbid(&dev->pdev->dev);
-	ret = drm_crtc_helper_set_config(set);
-	pm_runtime_allow(&dev->pdev->dev);
-	return ret;
-}
-
-/* Returns the clock of the currently programmed mode of the given pipe. */
-static int psb_intel_crtc_clock_get(struct drm_device *dev,
-				struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	u32 dpll;
-	u32 fp;
-	struct psb_intel_clock_t clock;
-	bool is_lvds;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (gma_power_begin(dev, false)) {
-		dpll = REG_READ((pipe == 0) ? DPLL_A : DPLL_B);
-		if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-			fp = REG_READ((pipe == 0) ? FPA0 : FPB0);
-		else
-			fp = REG_READ((pipe == 0) ? FPA1 : FPB1);
-		is_lvds = (pipe == 1) && (REG_READ(LVDS) & LVDS_PORT_EN);
-		gma_power_end(dev);
-	} else {
-		dpll = (pipe == 0) ?
-			dev_priv->saveDPLL_A : dev_priv->saveDPLL_B;
-
-		if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-			fp = (pipe == 0) ?
-				dev_priv->saveFPA0 :
-				dev_priv->saveFPB0;
-		else
-			fp = (pipe == 0) ?
-				dev_priv->saveFPA1 :
-				dev_priv->saveFPB1;
-
-		is_lvds = (pipe == 1) && (dev_priv->saveLVDS & LVDS_PORT_EN);
-	}
-
-	clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
-	clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
-	clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
-
-	if (is_lvds) {
-		clock.p1 =
-		    ffs((dpll &
-			 DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>
-			DPLL_FPA01_P1_POST_DIV_SHIFT);
-		clock.p2 = 14;
-
-		if ((dpll & PLL_REF_INPUT_MASK) ==
-		    PLLB_REF_INPUT_SPREADSPECTRUMIN) {
-			/* XXX: might not be 66MHz */
-			i8xx_clock(66000, &clock);
-		} else
-			i8xx_clock(48000, &clock);
-	} else {
-		if (dpll & PLL_P1_DIVIDE_BY_TWO)
-			clock.p1 = 2;
-		else {
-			clock.p1 =
-			    ((dpll &
-			      DPLL_FPA01_P1_POST_DIV_MASK_I830) >>
-			     DPLL_FPA01_P1_POST_DIV_SHIFT) + 2;
-		}
-		if (dpll & PLL_P2_DIVIDE_BY_4)
-			clock.p2 = 4;
-		else
-			clock.p2 = 2;
-
-		i8xx_clock(48000, &clock);
-	}
-
-	/* XXX: It would be nice to validate the clocks, but we can't reuse
-	 * i830PllIsValid() because it relies on the xf86_config connector
-	 * configuration being accurate, which it isn't necessarily.
-	 */
-
-	return clock.dot;
-}
-
-/** Returns the currently programmed mode of the given pipe. */
-struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
-					     struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	int pipe = psb_intel_crtc->pipe;
-	struct drm_display_mode *mode;
-	int htot;
-	int hsync;
-	int vtot;
-	int vsync;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	if (gma_power_begin(dev, false)) {
-		htot = REG_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B);
-		hsync = REG_READ((pipe == 0) ? HSYNC_A : HSYNC_B);
-		vtot = REG_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B);
-		vsync = REG_READ((pipe == 0) ? VSYNC_A : VSYNC_B);
-		gma_power_end(dev);
-	} else {
-		htot = (pipe == 0) ?
-			dev_priv->saveHTOTAL_A : dev_priv->saveHTOTAL_B;
-		hsync = (pipe == 0) ?
-			dev_priv->saveHSYNC_A : dev_priv->saveHSYNC_B;
-		vtot = (pipe == 0) ?
-			dev_priv->saveVTOTAL_A : dev_priv->saveVTOTAL_B;
-		vsync = (pipe == 0) ?
-			dev_priv->saveVSYNC_A : dev_priv->saveVSYNC_B;
-	}
-
-	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-	if (!mode)
-		return NULL;
-
-	mode->clock = psb_intel_crtc_clock_get(dev, crtc);
-	mode->hdisplay = (htot & 0xffff) + 1;
-	mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
-	mode->hsync_start = (hsync & 0xffff) + 1;
-	mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1;
-	mode->vdisplay = (vtot & 0xffff) + 1;
-	mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1;
-	mode->vsync_start = (vsync & 0xffff) + 1;
-	mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1;
-
-	drm_mode_set_name(mode);
-	drm_mode_set_crtcinfo(mode, 0);
-
-	return mode;
-}
-
-void psb_intel_crtc_destroy(struct drm_crtc *crtc)
-{
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct gtt_range *gt;
-
-	/* Unpin the old GEM object */
-	if (psb_intel_crtc->cursor_obj) {
-		gt = container_of(psb_intel_crtc->cursor_obj,
-						struct gtt_range, gem);
-		psb_gtt_unpin(gt);
-		drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-		psb_intel_crtc->cursor_obj = NULL;
-	}
-	kfree(psb_intel_crtc->crtc_state);
-	drm_crtc_cleanup(crtc);
-	kfree(psb_intel_crtc);
-}
-
-const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
-	.dpms = psb_intel_crtc_dpms,
-	.mode_fixup = psb_intel_crtc_mode_fixup,
-	.mode_set = psb_intel_crtc_mode_set,
-	.mode_set_base = psb_intel_pipe_set_base,
-	.prepare = psb_intel_crtc_prepare,
-	.commit = psb_intel_crtc_commit,
-};
-
-const struct drm_crtc_funcs psb_intel_crtc_funcs = {
-	.save = psb_intel_crtc_save,
-	.restore = psb_intel_crtc_restore,
-	.cursor_set = psb_intel_crtc_cursor_set,
-	.cursor_move = psb_intel_crtc_cursor_move,
-	.gamma_set = psb_intel_crtc_gamma_set,
-	.set_config = psb_crtc_set_config,
-	.destroy = psb_intel_crtc_destroy,
-};
-
-/*
- * Set the default value of cursor control and base register
- * to zero. This is a workaround for h/w defect on Oaktrail
- */
-static void psb_intel_cursor_init(struct drm_device *dev, int pipe)
-{
-	u32 control[3] = { CURACNTR, CURBCNTR, CURCCNTR };
-	u32 base[3] = { CURABASE, CURBBASE, CURCBASE };
-
-	REG_WRITE(control[pipe], 0);
-	REG_WRITE(base[pipe], 0);
-}
-
-void psb_intel_crtc_init(struct drm_device *dev, int pipe,
-		     struct psb_intel_mode_device *mode_dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct psb_intel_crtc *psb_intel_crtc;
-	int i;
-	uint16_t *r_base, *g_base, *b_base;
-
-	/* We allocate a extra array of drm_connector pointers
-	 * for fbdev after the crtc */
-	psb_intel_crtc =
-	    kzalloc(sizeof(struct psb_intel_crtc) +
-		    (INTELFB_CONN_LIMIT * sizeof(struct drm_connector *)),
-		    GFP_KERNEL);
-	if (psb_intel_crtc == NULL)
-		return;
-
-	psb_intel_crtc->crtc_state =
-		kzalloc(sizeof(struct psb_intel_crtc_state), GFP_KERNEL);
-	if (!psb_intel_crtc->crtc_state) {
-		dev_err(dev->dev, "Crtc state error: No memory\n");
-		kfree(psb_intel_crtc);
-		return;
-	}
-
-	/* Set the CRTC operations from the chip specific data */
-	drm_crtc_init(dev, &psb_intel_crtc->base, dev_priv->ops->crtc_funcs);
-
-	drm_mode_crtc_set_gamma_size(&psb_intel_crtc->base, 256);
-	psb_intel_crtc->pipe = pipe;
-	psb_intel_crtc->plane = pipe;
-
-	r_base = psb_intel_crtc->base.gamma_store;
-	g_base = r_base + 256;
-	b_base = g_base + 256;
-	for (i = 0; i < 256; i++) {
-		psb_intel_crtc->lut_r[i] = i;
-		psb_intel_crtc->lut_g[i] = i;
-		psb_intel_crtc->lut_b[i] = i;
-		r_base[i] = i << 8;
-		g_base[i] = i << 8;
-		b_base[i] = i << 8;
-
-		psb_intel_crtc->lut_adj[i] = 0;
-	}
-
-	psb_intel_crtc->mode_dev = mode_dev;
-	psb_intel_crtc->cursor_addr = 0;
-
-	drm_crtc_helper_add(&psb_intel_crtc->base,
-						dev_priv->ops->crtc_helper);
-
-	/* Setup the array of drm_connector pointer array */
-	psb_intel_crtc->mode_set.crtc = &psb_intel_crtc->base;
-	BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
-	       dev_priv->plane_to_crtc_mapping[psb_intel_crtc->plane] != NULL);
-	dev_priv->plane_to_crtc_mapping[psb_intel_crtc->plane] =
-							&psb_intel_crtc->base;
-	dev_priv->pipe_to_crtc_mapping[psb_intel_crtc->pipe] =
-							&psb_intel_crtc->base;
-	psb_intel_crtc->mode_set.connectors =
-	    (struct drm_connector **) (psb_intel_crtc + 1);
-	psb_intel_crtc->mode_set.num_connectors = 0;
-	psb_intel_cursor_init(dev, pipe);
-}
-
-int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
-				struct drm_file *file_priv)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct drm_psb_get_pipe_from_crtc_id_arg *pipe_from_crtc_id = data;
-	struct drm_mode_object *drmmode_obj;
-	struct psb_intel_crtc *crtc;
-
-	if (!dev_priv) {
-		dev_err(dev->dev, "called with no initialization\n");
-		return -EINVAL;
-	}
-
-	drmmode_obj = drm_mode_object_find(dev, pipe_from_crtc_id->crtc_id,
-			DRM_MODE_OBJECT_CRTC);
-
-	if (!drmmode_obj) {
-		dev_err(dev->dev, "no such CRTC id\n");
-		return -EINVAL;
-	}
-
-	crtc = to_psb_intel_crtc(obj_to_crtc(drmmode_obj));
-	pipe_from_crtc_id->pipe = crtc->pipe;
-
-	return 0;
-}
-
-struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
-{
-	struct drm_crtc *crtc = NULL;
-
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-		if (psb_intel_crtc->pipe == pipe)
-			break;
-	}
-	return crtc;
-}
-
-int psb_intel_connector_clones(struct drm_device *dev, int type_mask)
-{
-	int index_mask = 0;
-	struct drm_connector *connector;
-	int entry = 0;
-
-	list_for_each_entry(connector, &dev->mode_config.connector_list,
-			    head) {
-		struct psb_intel_output *psb_intel_output =
-		    to_psb_intel_output(connector);
-		if (type_mask & (1 << psb_intel_output->type))
-			index_mask |= (1 << entry);
-		entry++;
-	}
-	return index_mask;
-}
-
-
-void psb_intel_modeset_cleanup(struct drm_device *dev)
-{
-	drm_mode_config_cleanup(dev);
-}
-
-
-/* current intel driver doesn't take advantage of encoders
-   always give back the encoder for the connector
-*/
-struct drm_encoder *psb_intel_best_encoder(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	return &psb_intel_output->enc;
-}
-
diff --git a/drivers/staging/gma500/psb_intel_display.h b/drivers/staging/gma500/psb_intel_display.h
deleted file mode 100644
index 535b49a5e409..000000000000
--- a/drivers/staging/gma500/psb_intel_display.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* copyright (c) 2008, Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- * Eric Anholt <eric@anholt.net>
- */
-
-#ifndef _INTEL_DISPLAY_H_
-#define _INTEL_DISPLAY_H_
-
-bool psb_intel_pipe_has_type(struct drm_crtc *crtc, int type);
-void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-			 u16 *green, u16 *blue, uint32_t type, uint32_t size);
-void psb_intel_crtc_destroy(struct drm_crtc *crtc);
-
-#endif
diff --git a/drivers/staging/gma500/psb_intel_drv.h b/drivers/staging/gma500/psb_intel_drv.h
deleted file mode 100644
index 36b554b5c335..000000000000
--- a/drivers/staging/gma500/psb_intel_drv.h
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * Copyright (c) 2009-2011, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#ifndef __INTEL_DRV_H__
-#define __INTEL_DRV_H__
-
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-#include <linux/gpio.h>
-
-/*
- * Display related stuff
- */
-
-/* store information about an Ixxx DVO */
-/* The i830->i865 use multiple DVOs with multiple i2cs */
-/* the i915, i945 have a single sDVO i2c bus - which is different */
-#define MAX_OUTPUTS 6
-/* maximum connectors per crtcs in the mode set */
-#define INTELFB_CONN_LIMIT 4
-
-#define INTEL_I2C_BUS_DVO 1
-#define INTEL_I2C_BUS_SDVO 2
-
-/* these are outputs from the chip - integrated only
- * external chips are via DVO or SDVO output */
-#define INTEL_OUTPUT_UNUSED 0
-#define INTEL_OUTPUT_ANALOG 1
-#define INTEL_OUTPUT_DVO 2
-#define INTEL_OUTPUT_SDVO 3
-#define INTEL_OUTPUT_LVDS 4
-#define INTEL_OUTPUT_TVOUT 5
-#define INTEL_OUTPUT_HDMI 6
-#define INTEL_OUTPUT_MIPI 7
-#define INTEL_OUTPUT_MIPI2 8
-
-#define INTEL_DVO_CHIP_NONE 0
-#define INTEL_DVO_CHIP_LVDS 1
-#define INTEL_DVO_CHIP_TMDS 2
-#define INTEL_DVO_CHIP_TVOUT 4
-
-/*
- * Hold information useally put on the device driver privates here,
- * since it needs to be shared across multiple of devices drivers privates.
- */
-struct psb_intel_mode_device {
-
-	/*
-	 * Abstracted memory manager operations
-	 */
-	 size_t(*bo_offset) (struct drm_device *dev, void *bo);
-
-	/*
-	 * Cursor (Can go ?)
-	 */
-	int cursor_needs_physical;
-
-	/*
-	 * LVDS info
-	 */
-	int backlight_duty_cycle;	/* restore backlight to this value */
-	bool panel_wants_dither;
-	struct drm_display_mode *panel_fixed_mode;
-	struct drm_display_mode *panel_fixed_mode2;
-	struct drm_display_mode *vbt_mode;	/* if any */
-
-	uint32_t saveBLC_PWM_CTL;
-};
-
-struct psb_intel_i2c_chan {
-	/* for getting at dev. private (mmio etc.) */
-	struct drm_device *drm_dev;
-	u32 reg;		/* GPIO reg */
-	struct i2c_adapter adapter;
-	struct i2c_algo_bit_data algo;
-	u8 slave_addr;
-};
-
-struct psb_intel_output {
-	struct drm_connector base;
-
-	struct drm_encoder enc;
-	int type;
-
-	struct psb_intel_i2c_chan *i2c_bus;	/* for control functions */
-	struct psb_intel_i2c_chan *ddc_bus;	/* for DDC only stuff */
-	bool load_detect_temp;
-	void *dev_priv;
-
-	struct psb_intel_mode_device *mode_dev;
-	struct i2c_adapter *hdmi_i2c_adapter;	/* for control functions */
-};
-
-struct psb_intel_crtc_state {
-	uint32_t saveDSPCNTR;
-	uint32_t savePIPECONF;
-	uint32_t savePIPESRC;
-	uint32_t saveDPLL;
-	uint32_t saveFP0;
-	uint32_t saveFP1;
-	uint32_t saveHTOTAL;
-	uint32_t saveHBLANK;
-	uint32_t saveHSYNC;
-	uint32_t saveVTOTAL;
-	uint32_t saveVBLANK;
-	uint32_t saveVSYNC;
-	uint32_t saveDSPSTRIDE;
-	uint32_t saveDSPSIZE;
-	uint32_t saveDSPPOS;
-	uint32_t saveDSPBASE;
-	uint32_t savePalette[256];
-};
-
-struct psb_intel_crtc {
-	struct drm_crtc base;
-	int pipe;
-	int plane;
-	uint32_t cursor_addr;
-	u8 lut_r[256], lut_g[256], lut_b[256];
-	u8 lut_adj[256];
-	struct psb_intel_framebuffer *fbdev_fb;
-	/* a mode_set for fbdev users on this crtc */
-	struct drm_mode_set mode_set;
-
-	/* GEM object that holds our cursor */
-	struct drm_gem_object *cursor_obj;
-
-	struct drm_display_mode saved_mode;
-	struct drm_display_mode saved_adjusted_mode;
-
-	struct psb_intel_mode_device *mode_dev;
-
-	/*crtc mode setting flags*/
-	u32 mode_flags;
-
-	/* Saved Crtc HW states */
-	struct psb_intel_crtc_state *crtc_state;
-};
-
-#define to_psb_intel_crtc(x)	\
-		container_of(x, struct psb_intel_crtc, base)
-#define to_psb_intel_output(x)	\
-		container_of(x, struct psb_intel_output, base)
-#define enc_to_psb_intel_output(x)	\
-		container_of(x, struct psb_intel_output, enc)
-#define to_psb_intel_framebuffer(x)	\
-		container_of(x, struct psb_intel_framebuffer, base)
-
-struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
-					const u32 reg, const char *name);
-void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
-int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output);
-extern bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output);
-
-extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
-			    struct psb_intel_mode_device *mode_dev);
-extern void psb_intel_crt_init(struct drm_device *dev);
-extern void psb_intel_sdvo_init(struct drm_device *dev, int output_device);
-extern void psb_intel_dvo_init(struct drm_device *dev);
-extern void psb_intel_tv_init(struct drm_device *dev);
-extern void psb_intel_lvds_init(struct drm_device *dev,
-			    struct psb_intel_mode_device *mode_dev);
-extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
-extern void mrst_lvds_init(struct drm_device *dev,
-			   struct psb_intel_mode_device *mode_dev);
-extern void mrst_wait_for_INTR_PKT_SENT(struct drm_device *dev);
-extern void mrst_dsi_init(struct drm_device *dev,
-			   struct psb_intel_mode_device *mode_dev);
-extern void mid_dsi_init(struct drm_device *dev,
-		    struct psb_intel_mode_device *mode_dev, int dsi_num);
-
-extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc);
-extern void psb_intel_encoder_prepare(struct drm_encoder *encoder);
-extern void psb_intel_encoder_commit(struct drm_encoder *encoder);
-
-extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector
-					      *connector);
-
-extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
-						    struct drm_crtc *crtc);
-extern void psb_intel_wait_for_vblank(struct drm_device *dev);
-extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
-				struct drm_file *file_priv);
-extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
-						 int pipe);
-extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
-					     int sdvoB);
-extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
-extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
-				   int enable);
-extern int intelfb_probe(struct drm_device *dev);
-extern int intelfb_remove(struct drm_device *dev,
-			  struct drm_framebuffer *fb);
-extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device
-							*dev, struct
-							drm_mode_fb_cmd
-							*mode_cmd,
-							void *mm_private);
-extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
-				      struct drm_display_mode *mode,
-				      struct drm_display_mode *adjusted_mode);
-extern int psb_intel_lvds_mode_valid(struct drm_connector *connector,
-				     struct drm_display_mode *mode);
-extern int psb_intel_lvds_set_property(struct drm_connector *connector,
-					struct drm_property *property,
-					uint64_t value);
-extern void psb_intel_lvds_destroy(struct drm_connector *connector);
-extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
-
-extern void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe);
-extern void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe);
-
-#endif				/* __INTEL_DRV_H__ */
diff --git a/drivers/staging/gma500/psb_intel_lvds.c b/drivers/staging/gma500/psb_intel_lvds.c
deleted file mode 100644
index 21022e1a977a..000000000000
--- a/drivers/staging/gma500/psb_intel_lvds.c
+++ /dev/null
@@ -1,854 +0,0 @@
-/*
- * Copyright © 2006-2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- *	Dave Airlie <airlied@linux.ie>
- *	Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <drm/drmP.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-/*
- * LVDS I2C backlight control macros
- */
-#define BRIGHTNESS_MAX_LEVEL 100
-#define BRIGHTNESS_MASK 0xFF
-#define BLC_I2C_TYPE	0x01
-#define BLC_PWM_TYPT	0x02
-
-#define BLC_POLARITY_NORMAL 0
-#define BLC_POLARITY_INVERSE 1
-
-#define PSB_BLC_MAX_PWM_REG_FREQ       (0xFFFE)
-#define PSB_BLC_MIN_PWM_REG_FREQ	(0x2)
-#define PSB_BLC_PWM_PRECISION_FACTOR	(10)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT	(16)
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-
-struct psb_intel_lvds_priv {
-	/*
-	 * Saved LVDO output states
-	 */
-	uint32_t savePP_ON;
-	uint32_t savePP_OFF;
-	uint32_t saveLVDS;
-	uint32_t savePP_CONTROL;
-	uint32_t savePP_CYCLE;
-	uint32_t savePFIT_CONTROL;
-	uint32_t savePFIT_PGM_RATIOS;
-	uint32_t saveBLC_PWM_CTL;
-};
-
-
-/*
- * Returns the maximum level of the backlight duty cycle field.
- */
-static u32 psb_intel_lvds_get_max_backlight(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 ret;
-
-	if (gma_power_begin(dev, false)) {
-		ret = REG_READ(BLC_PWM_CTL);
-		gma_power_end(dev);
-	} else /* Powered off, use the saved value */
-		ret = dev_priv->saveBLC_PWM_CTL;
-
-	/* Top 15bits hold the frequency mask */
-	ret = (ret &  BACKLIGHT_MODULATION_FREQ_MASK) >>
-					BACKLIGHT_MODULATION_FREQ_SHIFT;
-
-        ret *= 2;	/* Return a 16bit range as needed for setting */
-        if (ret == 0)
-                dev_err(dev->dev, "BL bug: Reg %08x save %08X\n",
-                        REG_READ(BLC_PWM_CTL), dev_priv->saveBLC_PWM_CTL);
-	return ret;
-}
-
-/*
- * Set LVDS backlight level by I2C command
- *
- * FIXME: at some point we need to both track this for PM and also
- * disable runtime pm on MRST if the brightness is nil (ie blanked)
- */
-static int psb_lvds_i2c_set_brightness(struct drm_device *dev,
-					unsigned int level)
-{
-	struct drm_psb_private *dev_priv =
-		(struct drm_psb_private *)dev->dev_private;
-
-	struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus;
-	u8 out_buf[2];
-	unsigned int blc_i2c_brightness;
-
-	struct i2c_msg msgs[] = {
-		{
-			.addr = lvds_i2c_bus->slave_addr,
-			.flags = 0,
-			.len = 2,
-			.buf = out_buf,
-		}
-	};
-
-	blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level *
-			     BRIGHTNESS_MASK /
-			     BRIGHTNESS_MAX_LEVEL);
-
-	if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-		blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness;
-
-	out_buf[0] = dev_priv->lvds_bl->brightnesscmd;
-	out_buf[1] = (u8)blc_i2c_brightness;
-
-	if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1) {
-		dev_dbg(dev->dev, "I2C set brightness.(command, value) (%d, %d)\n",
-			dev_priv->lvds_bl->brightnesscmd,
-			blc_i2c_brightness);
-		return 0;
-	}
-
-	dev_err(dev->dev, "I2C transfer error\n");
-	return -1;
-}
-
-
-static int psb_lvds_pwm_set_brightness(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv =
-			(struct drm_psb_private *)dev->dev_private;
-
-	u32 max_pwm_blc;
-	u32 blc_pwm_duty_cycle;
-
-	max_pwm_blc = psb_intel_lvds_get_max_backlight(dev);
-
-	/*BLC_PWM_CTL Should be initiated while backlight device init*/
-	BUG_ON(max_pwm_blc == 0);
-
-	blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL;
-
-	if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-		blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle;
-
-	blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
-	REG_WRITE(BLC_PWM_CTL,
-		  (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
-		  (blc_pwm_duty_cycle));
-
-        dev_info(dev->dev, "Backlight lvds set brightness %08x\n",
-		  (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
-		  (blc_pwm_duty_cycle));
-
-	return 0;
-}
-
-/*
- * Set LVDS backlight level either by I2C or PWM
- */
-void psb_intel_lvds_set_brightness(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-
-	dev_dbg(dev->dev, "backlight level is %d\n", level);
-
-	if (!dev_priv->lvds_bl) {
-		dev_err(dev->dev, "NO LVDS backlight info\n");
-		return;
-	}
-
-	if (dev_priv->lvds_bl->type == BLC_I2C_TYPE)
-		psb_lvds_i2c_set_brightness(dev, level);
-	else
-		psb_lvds_pwm_set_brightness(dev, level);
-}
-
-/*
- * Sets the backlight level.
- *
- * level: backlight level, from 0 to psb_intel_lvds_get_max_backlight().
- */
-static void psb_intel_lvds_set_backlight(struct drm_device *dev, int level)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 blc_pwm_ctl;
-
-	if (gma_power_begin(dev, false)) {
-		blc_pwm_ctl = REG_READ(BLC_PWM_CTL);
-		blc_pwm_ctl &= ~BACKLIGHT_DUTY_CYCLE_MASK;
-		REG_WRITE(BLC_PWM_CTL,
-				(blc_pwm_ctl |
-				(level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
-		dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl |
-					(level << BACKLIGHT_DUTY_CYCLE_SHIFT));
-		gma_power_end(dev);
-	} else {
-		blc_pwm_ctl = dev_priv->saveBLC_PWM_CTL &
-				~BACKLIGHT_DUTY_CYCLE_MASK;
-		dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl |
-					(level << BACKLIGHT_DUTY_CYCLE_SHIFT));
-	}
-}
-
-/*
- * Sets the power state for the panel.
- */
-static void psb_intel_lvds_set_power(struct drm_device *dev,
-				 struct psb_intel_output *output, bool on)
-{
-	u32 pp_status;
-
-	if (!gma_power_begin(dev, true)) {
-	        dev_err(dev->dev, "set power, chip off!\n");
-		return;
-        }
-        
-	if (on) {
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-			  POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & PP_ON) == 0);
-
-		psb_intel_lvds_set_backlight(dev,
-					 output->
-					 mode_dev->backlight_duty_cycle);
-	} else {
-		psb_intel_lvds_set_backlight(dev, 0);
-
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-			  ~POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while (pp_status & PP_ON);
-	}
-
-	gma_power_end(dev);
-}
-
-static void psb_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-
-	if (mode == DRM_MODE_DPMS_ON)
-		psb_intel_lvds_set_power(dev, output, true);
-	else
-		psb_intel_lvds_set_power(dev, output, false);
-
-	/* XXX: We never power down the LVDS pairs. */
-}
-
-static void psb_intel_lvds_save(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct drm_psb_private *dev_priv =
-		(struct drm_psb_private *)dev->dev_private;
-	struct psb_intel_output *psb_intel_output =
-		to_psb_intel_output(connector);
-	struct psb_intel_lvds_priv *lvds_priv =
-		(struct psb_intel_lvds_priv *)psb_intel_output->dev_priv;
-
-	lvds_priv->savePP_ON = REG_READ(LVDSPP_ON);
-	lvds_priv->savePP_OFF = REG_READ(LVDSPP_OFF);
-	lvds_priv->saveLVDS = REG_READ(LVDS);
-	lvds_priv->savePP_CONTROL = REG_READ(PP_CONTROL);
-	lvds_priv->savePP_CYCLE = REG_READ(PP_CYCLE);
-	/*lvds_priv->savePP_DIVISOR = REG_READ(PP_DIVISOR);*/
-	lvds_priv->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-	lvds_priv->savePFIT_CONTROL = REG_READ(PFIT_CONTROL);
-	lvds_priv->savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS);
-
-	/*TODO: move backlight_duty_cycle to psb_intel_lvds_priv*/
-	dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL &
-						BACKLIGHT_DUTY_CYCLE_MASK);
-
-	/*
-	 * If the light is off at server startup,
-	 * just make it full brightness
-	 */
-	if (dev_priv->backlight_duty_cycle == 0)
-		dev_priv->backlight_duty_cycle =
-		psb_intel_lvds_get_max_backlight(dev);
-
-	dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
-			lvds_priv->savePP_ON,
-			lvds_priv->savePP_OFF,
-			lvds_priv->saveLVDS,
-			lvds_priv->savePP_CONTROL,
-			lvds_priv->savePP_CYCLE,
-			lvds_priv->saveBLC_PWM_CTL);
-}
-
-static void psb_intel_lvds_restore(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	u32 pp_status;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct psb_intel_lvds_priv *lvds_priv =
-		(struct psb_intel_lvds_priv *)psb_intel_output->dev_priv;
-
-	dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
-			lvds_priv->savePP_ON,
-			lvds_priv->savePP_OFF,
-			lvds_priv->saveLVDS,
-			lvds_priv->savePP_CONTROL,
-			lvds_priv->savePP_CYCLE,
-			lvds_priv->saveBLC_PWM_CTL);
-
-	REG_WRITE(BLC_PWM_CTL, lvds_priv->saveBLC_PWM_CTL);
-	REG_WRITE(PFIT_CONTROL, lvds_priv->savePFIT_CONTROL);
-	REG_WRITE(PFIT_PGM_RATIOS, lvds_priv->savePFIT_PGM_RATIOS);
-	REG_WRITE(LVDSPP_ON, lvds_priv->savePP_ON);
-	REG_WRITE(LVDSPP_OFF, lvds_priv->savePP_OFF);
-	/*REG_WRITE(PP_DIVISOR, lvds_priv->savePP_DIVISOR);*/
-	REG_WRITE(PP_CYCLE, lvds_priv->savePP_CYCLE);
-	REG_WRITE(PP_CONTROL, lvds_priv->savePP_CONTROL);
-	REG_WRITE(LVDS, lvds_priv->saveLVDS);
-
-	if (lvds_priv->savePP_CONTROL & POWER_TARGET_ON) {
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-			POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & PP_ON) == 0);
-	} else {
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-			~POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while (pp_status & PP_ON);
-	}
-}
-
-int psb_intel_lvds_mode_valid(struct drm_connector *connector,
-				 struct drm_display_mode *mode)
-{
-	struct psb_intel_output *psb_intel_output =
-				to_psb_intel_output(connector);
-	struct drm_display_mode *fixed_mode =
-	    psb_intel_output->mode_dev->panel_fixed_mode;
-
-	if (psb_intel_output->type == INTEL_OUTPUT_MIPI2)
-		fixed_mode = psb_intel_output->mode_dev->panel_fixed_mode2;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	/* just in case */
-	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
-		return MODE_NO_INTERLACE;
-
-	if (fixed_mode) {
-		if (mode->hdisplay > fixed_mode->hdisplay)
-			return MODE_PANEL;
-		if (mode->vdisplay > fixed_mode->vdisplay)
-			return MODE_PANEL;
-	}
-	return MODE_OK;
-}
-
-bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	struct psb_intel_mode_device *mode_dev =
-	    enc_to_psb_intel_output(encoder)->mode_dev;
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_crtc *psb_intel_crtc =
-				to_psb_intel_crtc(encoder->crtc);
-	struct drm_encoder *tmp_encoder;
-	struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode;
-	struct psb_intel_output *psb_intel_output =
-					enc_to_psb_intel_output(encoder);
-
-	if (psb_intel_output->type == INTEL_OUTPUT_MIPI2)
-		panel_fixed_mode = mode_dev->panel_fixed_mode2;
-
-	/* PSB requires the LVDS is on pipe B, MRST has only one pipe anyway */
-	if (!IS_MRST(dev) && psb_intel_crtc->pipe == 0) {
-		printk(KERN_ERR "Can't support LVDS on pipe A\n");
-		return false;
-	}
-	if (IS_MRST(dev) && psb_intel_crtc->pipe != 0) {
-		printk(KERN_ERR "Must use PIPE A\n");
-		return false;
-	}
-	/* Should never happen!! */
-	list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list,
-			    head) {
-		if (tmp_encoder != encoder
-		    && tmp_encoder->crtc == encoder->crtc) {
-			printk(KERN_ERR "Can't enable LVDS and another "
-			       "encoder on the same pipe\n");
-			return false;
-		}
-	}
-
-	/*
-	 * If we have timings from the BIOS for the panel, put them in
-	 * to the adjusted mode.  The CRTC will be set up for this mode,
-	 * with the panel scaling set up to source from the H/VDisplay
-	 * of the original mode.
-	 */
-	if (panel_fixed_mode != NULL) {
-		adjusted_mode->hdisplay = panel_fixed_mode->hdisplay;
-		adjusted_mode->hsync_start = panel_fixed_mode->hsync_start;
-		adjusted_mode->hsync_end = panel_fixed_mode->hsync_end;
-		adjusted_mode->htotal = panel_fixed_mode->htotal;
-		adjusted_mode->vdisplay = panel_fixed_mode->vdisplay;
-		adjusted_mode->vsync_start = panel_fixed_mode->vsync_start;
-		adjusted_mode->vsync_end = panel_fixed_mode->vsync_end;
-		adjusted_mode->vtotal = panel_fixed_mode->vtotal;
-		adjusted_mode->clock = panel_fixed_mode->clock;
-		drm_mode_set_crtcinfo(adjusted_mode,
-				      CRTC_INTERLACE_HALVE_V);
-	}
-
-	/*
-	 * XXX: It would be nice to support lower refresh rates on the
-	 * panels to reduce power consumption, and perhaps match the
-	 * user's requested refresh rate.
-	 */
-
-	return true;
-}
-
-static void psb_intel_lvds_prepare(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (!gma_power_begin(dev, true))
-		return;
-
-	mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-	mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
-					  BACKLIGHT_DUTY_CYCLE_MASK);
-
-	psb_intel_lvds_set_power(dev, output, false);
-
-	gma_power_end(dev);
-}
-
-static void psb_intel_lvds_commit(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-	struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-	if (mode_dev->backlight_duty_cycle == 0)
-		mode_dev->backlight_duty_cycle =
-		    psb_intel_lvds_get_max_backlight(dev);
-
-	psb_intel_lvds_set_power(dev, output, true);
-}
-
-static void psb_intel_lvds_mode_set(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 pfit_control;
-
-	/*
-	 * The LVDS pin pair will already have been turned on in the
-	 * psb_intel_crtc_mode_set since it has a large impact on the DPLL
-	 * settings.
-	 */
-
-	/*
-	 * Enable automatic panel scaling so that non-native modes fill the
-	 * screen.  Should be enabled before the pipe is enabled, according to
-	 * register description and PRM.
-	 */
-	if (mode->hdisplay != adjusted_mode->hdisplay ||
-	    mode->vdisplay != adjusted_mode->vdisplay)
-		pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE |
-				HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR |
-				HORIZ_INTERP_BILINEAR);
-	else
-		pfit_control = 0;
-
-	if (dev_priv->lvds_dither)
-		pfit_control |= PANEL_8TO6_DITHER_ENABLE;
-
-	REG_WRITE(PFIT_CONTROL, pfit_control);
-}
-
-/*
- * Detect the LVDS connection.
- *
- * This always returns CONNECTOR_STATUS_CONNECTED.
- * This connector should only have
- * been set up if the LVDS was actually connected anyway.
- */
-static enum drm_connector_status psb_intel_lvds_detect(struct drm_connector
-						   *connector, bool force)
-{
-	return connector_status_connected;
-}
-
-/*
- * Return the list of DDC modes if available, or the BIOS fixed mode otherwise.
- */
-static int psb_intel_lvds_get_modes(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct psb_intel_mode_device *mode_dev =
-					psb_intel_output->mode_dev;
-	int ret = 0;
-
-	if (!IS_MRST(dev))
-		ret = psb_intel_ddc_get_modes(psb_intel_output);
-
-	if (ret)
-		return ret;
-
-	/* Didn't get an EDID, so
-	 * Set wide sync ranges so we get all modes
-	 * handed to valid_mode for checking
-	 */
-	connector->display_info.min_vfreq = 0;
-	connector->display_info.max_vfreq = 200;
-	connector->display_info.min_hfreq = 0;
-	connector->display_info.max_hfreq = 200;
-
-	if (mode_dev->panel_fixed_mode != NULL) {
-		struct drm_display_mode *mode =
-		    drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
-		drm_mode_probed_add(connector, mode);
-		return 1;
-	}
-
-	return 0;
-}
-
-/**
- * psb_intel_lvds_destroy - unregister and free LVDS structures
- * @connector: connector to free
- *
- * Unregister the DDC bus for this connector then free the driver private
- * structure.
- */
-void psb_intel_lvds_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
-int psb_intel_lvds_set_property(struct drm_connector *connector,
-				       struct drm_property *property,
-				       uint64_t value)
-{
-	struct drm_encoder *encoder = connector->encoder;
-
-	if (!encoder)
-		return -1;
-
-	if (!strcmp(property->name, "scaling mode")) {
-		struct psb_intel_crtc *crtc =
-					to_psb_intel_crtc(encoder->crtc);
-		uint64_t curval;
-
-		if (!crtc)
-			goto set_prop_error;
-
-		switch (value) {
-		case DRM_MODE_SCALE_FULLSCREEN:
-			break;
-		case DRM_MODE_SCALE_NO_SCALE:
-			break;
-		case DRM_MODE_SCALE_ASPECT:
-			break;
-		default:
-			goto set_prop_error;
-		}
-
-		if (drm_connector_property_get_value(connector,
-						     property,
-						     &curval))
-			goto set_prop_error;
-
-		if (curval == value)
-			goto set_prop_done;
-
-		if (drm_connector_property_set_value(connector,
-							property,
-							value))
-			goto set_prop_error;
-
-		if (crtc->saved_mode.hdisplay != 0 &&
-		    crtc->saved_mode.vdisplay != 0) {
-			if (!drm_crtc_helper_set_mode(encoder->crtc,
-						      &crtc->saved_mode,
-						      encoder->crtc->x,
-						      encoder->crtc->y,
-						      encoder->crtc->fb))
-				goto set_prop_error;
-		}
-	} else if (!strcmp(property->name, "backlight")) {
-		if (drm_connector_property_set_value(connector,
-							property,
-							value))
-			goto set_prop_error;
-		else {
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-			struct drm_psb_private *devp =
-						encoder->dev->dev_private;
-			struct backlight_device *bd = devp->backlight_device;
-			if (bd) {
-				bd->props.brightness = value;
-				backlight_update_status(bd);
-			}
-#endif
-		}
-	} else if (!strcmp(property->name, "DPMS")) {
-		struct drm_encoder_helper_funcs *hfuncs
-						= encoder->helper_private;
-		hfuncs->dpms(encoder, value);
-	}
-
-set_prop_done:
-	return 0;
-set_prop_error:
-	return -1;
-}
-
-static const struct drm_encoder_helper_funcs psb_intel_lvds_helper_funcs = {
-	.dpms = psb_intel_lvds_encoder_dpms,
-	.mode_fixup = psb_intel_lvds_mode_fixup,
-	.prepare = psb_intel_lvds_prepare,
-	.mode_set = psb_intel_lvds_mode_set,
-	.commit = psb_intel_lvds_commit,
-};
-
-const struct drm_connector_helper_funcs
-				psb_intel_lvds_connector_helper_funcs = {
-	.get_modes = psb_intel_lvds_get_modes,
-	.mode_valid = psb_intel_lvds_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-const struct drm_connector_funcs psb_intel_lvds_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.save = psb_intel_lvds_save,
-	.restore = psb_intel_lvds_restore,
-	.detect = psb_intel_lvds_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = psb_intel_lvds_set_property,
-	.destroy = psb_intel_lvds_destroy,
-};
-
-
-static void psb_intel_lvds_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-const struct drm_encoder_funcs psb_intel_lvds_enc_funcs = {
-	.destroy = psb_intel_lvds_enc_destroy,
-};
-
-
-
-/**
- * psb_intel_lvds_init - setup LVDS connectors on this device
- * @dev: drm device
- *
- * Create the connector, register the LVDS DDC bus, and try to figure out what
- * modes we can display on the LVDS panel (if present).
- */
-void psb_intel_lvds_init(struct drm_device *dev,
-		     struct psb_intel_mode_device *mode_dev)
-{
-	struct psb_intel_output *psb_intel_output;
-	struct psb_intel_lvds_priv *lvds_priv;
-	struct drm_connector *connector;
-	struct drm_encoder *encoder;
-	struct drm_display_mode *scan;	/* *modes, *bios_mode; */
-	struct drm_crtc *crtc;
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	u32 lvds;
-	int pipe;
-
-	psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	lvds_priv = kzalloc(sizeof(struct psb_intel_lvds_priv), GFP_KERNEL);
-	if (!lvds_priv) {
-		kfree(psb_intel_output);
-		dev_err(dev->dev, "LVDS private allocation error\n");
-		return;
-	}
-
-	psb_intel_output->dev_priv = lvds_priv;
-	psb_intel_output->mode_dev = mode_dev;
-
-	connector = &psb_intel_output->base;
-	encoder = &psb_intel_output->enc;
-	drm_connector_init(dev, &psb_intel_output->base,
-			   &psb_intel_lvds_connector_funcs,
-			   DRM_MODE_CONNECTOR_LVDS);
-
-	drm_encoder_init(dev, &psb_intel_output->enc,
-			 &psb_intel_lvds_enc_funcs,
-			 DRM_MODE_ENCODER_LVDS);
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-	psb_intel_output->type = INTEL_OUTPUT_LVDS;
-
-	drm_encoder_helper_add(encoder, &psb_intel_lvds_helper_funcs);
-	drm_connector_helper_add(connector,
-				 &psb_intel_lvds_connector_helper_funcs);
-	connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-	connector->interlace_allowed = false;
-	connector->doublescan_allowed = false;
-
-	/*Attach connector properties*/
-	drm_connector_attach_property(connector,
-				      dev->mode_config.scaling_mode_property,
-				      DRM_MODE_SCALE_FULLSCREEN);
-	drm_connector_attach_property(connector,
-				      dev_priv->backlight_property,
-				      BRIGHTNESS_MAX_LEVEL);
-
-	/*
-	 * Set up I2C bus
-	 * FIXME: distroy i2c_bus when exit
-	 */
-	psb_intel_output->i2c_bus = psb_intel_i2c_create(dev,
-							 GPIOB,
-							 "LVDSBLC_B");
-	if (!psb_intel_output->i2c_bus) {
-		dev_printk(KERN_ERR,
-			&dev->pdev->dev, "I2C bus registration failed.\n");
-		goto failed_blc_i2c;
-	}
-	psb_intel_output->i2c_bus->slave_addr = 0x2C;
-	dev_priv->lvds_i2c_bus =  psb_intel_output->i2c_bus;
-
-	/*
-	 * LVDS discovery:
-	 * 1) check for EDID on DDC
-	 * 2) check for VBT data
-	 * 3) check to see if LVDS is already on
-	 *    if none of the above, no panel
-	 * 4) make sure lid is open
-	 *    if closed, act like it's not there for now
-	 */
-
-	/* Set up the DDC bus. */
-	psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-							 GPIOC,
-							 "LVDSDDC_C");
-	if (!psb_intel_output->ddc_bus) {
-		dev_printk(KERN_ERR, &dev->pdev->dev,
-			   "DDC bus registration " "failed.\n");
-		goto failed_ddc;
-	}
-
-	/*
-	 * Attempt to get the fixed panel mode from DDC.  Assume that the
-	 * preferred mode is the right one.
-	 */
-	psb_intel_ddc_get_modes(psb_intel_output);
-	list_for_each_entry(scan, &connector->probed_modes, head) {
-		if (scan->type & DRM_MODE_TYPE_PREFERRED) {
-			mode_dev->panel_fixed_mode =
-			    drm_mode_duplicate(dev, scan);
-			goto out;	/* FIXME: check for quirks */
-		}
-	}
-
-	/* Failed to get EDID, what about VBT? do we need this? */
-	if (mode_dev->vbt_mode)
-		mode_dev->panel_fixed_mode =
-		    drm_mode_duplicate(dev, mode_dev->vbt_mode);
-
-	if (!mode_dev->panel_fixed_mode)
-		if (dev_priv->lfp_lvds_vbt_mode)
-			mode_dev->panel_fixed_mode =
-				drm_mode_duplicate(dev,
-					dev_priv->lfp_lvds_vbt_mode);
-
-	/*
-	 * If we didn't get EDID, try checking if the panel is already turned
-	 * on.	If so, assume that whatever is currently programmed is the
-	 * correct mode.
-	 */
-	lvds = REG_READ(LVDS);
-	pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
-	crtc = psb_intel_get_crtc_from_pipe(dev, pipe);
-
-	if (crtc && (lvds & LVDS_PORT_EN)) {
-		mode_dev->panel_fixed_mode =
-		    psb_intel_crtc_mode_get(dev, crtc);
-		if (mode_dev->panel_fixed_mode) {
-			mode_dev->panel_fixed_mode->type |=
-			    DRM_MODE_TYPE_PREFERRED;
-			goto out;	/* FIXME: check for quirks */
-		}
-	}
-
-	/* If we still don't have a mode after all that, give up. */
-	if (!mode_dev->panel_fixed_mode) {
-		dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n");
-		goto failed_find;
-	}
-
-	/*
-	 * Blacklist machines with BIOSes that list an LVDS panel without
-	 * actually having one.
-	 */
-out:
-	drm_sysfs_connector_add(connector);
-	return;
-
-failed_find:
-	if (psb_intel_output->ddc_bus)
-		psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-failed_ddc:
-	if (psb_intel_output->i2c_bus)
-		psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-failed_blc_i2c:
-	drm_encoder_cleanup(encoder);
-	drm_connector_cleanup(connector);
-	kfree(connector);
-}
-
diff --git a/drivers/staging/gma500/psb_intel_modes.c b/drivers/staging/gma500/psb_intel_modes.c
deleted file mode 100644
index bde1aff96190..000000000000
--- a/drivers/staging/gma500/psb_intel_modes.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (c) 2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authers: Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <linux/fb.h>
-#include <drm/drmP.h>
-#include "psb_intel_drv.h"
-
-/**
- * psb_intel_ddc_probe
- *
- */
-bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output)
-{
-	u8 out_buf[] = { 0x0, 0x0 };
-	u8 buf[2];
-	int ret;
-	struct i2c_msg msgs[] = {
-		{
-		 .addr = 0x50,
-		 .flags = 0,
-		 .len = 1,
-		 .buf = out_buf,
-		 },
-		{
-		 .addr = 0x50,
-		 .flags = I2C_M_RD,
-		 .len = 1,
-		 .buf = buf,
-		 }
-	};
-
-	ret = i2c_transfer(&psb_intel_output->ddc_bus->adapter, msgs, 2);
-	if (ret == 2)
-		return true;
-
-	return false;
-}
-
-/**
- * psb_intel_ddc_get_modes - get modelist from monitor
- * @connector: DRM connector device to use
- *
- * Fetch the EDID information from @connector using the DDC bus.
- */
-int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output)
-{
-	struct edid *edid;
-	int ret = 0;
-
-	edid =
-	    drm_get_edid(&psb_intel_output->base,
-			 &psb_intel_output->ddc_bus->adapter);
-	if (edid) {
-		drm_mode_connector_update_edid_property(&psb_intel_output->
-							base, edid);
-		ret = drm_add_edid_modes(&psb_intel_output->base, edid);
-		kfree(edid);
-	}
-	return ret;
-}
diff --git a/drivers/staging/gma500/psb_intel_reg.h b/drivers/staging/gma500/psb_intel_reg.h
deleted file mode 100644
index 1ac16aa791c9..000000000000
--- a/drivers/staging/gma500/psb_intel_reg.h
+++ /dev/null
@@ -1,1235 +0,0 @@
-/*
- * Copyright (c) 2009, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-#ifndef __PSB_INTEL_REG_H__
-#define __PSB_INTEL_REG_H__
-
-#define BLC_PWM_CTL		0x61254
-#define BLC_PWM_CTL2		0x61250
-#define BLC_PWM_CTL_C		0x62254
-#define BLC_PWM_CTL2_C		0x62250
-#define BACKLIGHT_MODULATION_FREQ_SHIFT		(17)
-/*
- * This is the most significant 15 bits of the number of backlight cycles in a
- * complete cycle of the modulated backlight control.
- *
- * The actual value is this field multiplied by two.
- */
-#define BACKLIGHT_MODULATION_FREQ_MASK	(0x7fff << 17)
-#define BLM_LEGACY_MODE			(1 << 16)
-/*
- * This is the number of cycles out of the backlight modulation cycle for which
- * the backlight is on.
- *
- * This field must be no greater than the number of cycles in the complete
- * backlight modulation cycle.
- */
-#define BACKLIGHT_DUTY_CYCLE_SHIFT	(0)
-#define BACKLIGHT_DUTY_CYCLE_MASK	(0xffff)
-
-#define I915_GCFGC			0xf0
-#define I915_LOW_FREQUENCY_ENABLE	(1 << 7)
-#define I915_DISPLAY_CLOCK_190_200_MHZ	(0 << 4)
-#define I915_DISPLAY_CLOCK_333_MHZ	(4 << 4)
-#define I915_DISPLAY_CLOCK_MASK		(7 << 4)
-
-#define I855_HPLLCC			0xc0
-#define I855_CLOCK_CONTROL_MASK		(3 << 0)
-#define I855_CLOCK_133_200		(0 << 0)
-#define I855_CLOCK_100_200		(1 << 0)
-#define I855_CLOCK_100_133		(2 << 0)
-#define I855_CLOCK_166_250		(3 << 0)
-
-/* I830 CRTC registers */
-#define HTOTAL_A		0x60000
-#define HBLANK_A		0x60004
-#define HSYNC_A			0x60008
-#define VTOTAL_A		0x6000c
-#define VBLANK_A		0x60010
-#define VSYNC_A			0x60014
-#define PIPEASRC		0x6001c
-#define BCLRPAT_A		0x60020
-#define VSYNCSHIFT_A		0x60028
-
-#define HTOTAL_B		0x61000
-#define HBLANK_B		0x61004
-#define HSYNC_B			0x61008
-#define VTOTAL_B		0x6100c
-#define VBLANK_B		0x61010
-#define VSYNC_B			0x61014
-#define PIPEBSRC		0x6101c
-#define BCLRPAT_B		0x61020
-#define VSYNCSHIFT_B		0x61028
-
-#define HTOTAL_C		0x62000
-#define HBLANK_C		0x62004
-#define HSYNC_C			0x62008
-#define VTOTAL_C		0x6200c
-#define VBLANK_C		0x62010
-#define VSYNC_C			0x62014
-#define PIPECSRC		0x6201c
-#define BCLRPAT_C		0x62020
-#define VSYNCSHIFT_C		0x62028
-
-#define PP_STATUS		0x61200
-# define PP_ON				(1 << 31)
-/*
- * Indicates that all dependencies of the panel are on:
- *
- * - PLL enabled
- * - pipe enabled
- * - LVDS/DVOB/DVOC on
- */
-#define PP_READY			(1 << 30)
-#define PP_SEQUENCE_NONE		(0 << 28)
-#define PP_SEQUENCE_ON			(1 << 28)
-#define PP_SEQUENCE_OFF			(2 << 28)
-#define PP_SEQUENCE_MASK		0x30000000
-#define PP_CONTROL		0x61204
-#define POWER_TARGET_ON			(1 << 0)
-
-#define LVDSPP_ON		0x61208
-#define LVDSPP_OFF		0x6120c
-#define PP_CYCLE		0x61210
-
-#define PFIT_CONTROL		0x61230
-#define PFIT_ENABLE			(1 << 31)
-#define PFIT_PIPE_MASK			(3 << 29)
-#define PFIT_PIPE_SHIFT			29
-#define PFIT_SCALING_MODE_PILLARBOX	(1 << 27)
-#define PFIT_SCALING_MODE_LETTERBOX	(3 << 26)
-#define VERT_INTERP_DISABLE		(0 << 10)
-#define VERT_INTERP_BILINEAR		(1 << 10)
-#define VERT_INTERP_MASK		(3 << 10)
-#define VERT_AUTO_SCALE			(1 << 9)
-#define HORIZ_INTERP_DISABLE		(0 << 6)
-#define HORIZ_INTERP_BILINEAR		(1 << 6)
-#define HORIZ_INTERP_MASK		(3 << 6)
-#define HORIZ_AUTO_SCALE		(1 << 5)
-#define PANEL_8TO6_DITHER_ENABLE	(1 << 3)
-
-#define PFIT_PGM_RATIOS		0x61234
-#define PFIT_VERT_SCALE_MASK			0xfff00000
-#define PFIT_HORIZ_SCALE_MASK			0x0000fff0
-
-#define PFIT_AUTO_RATIOS	0x61238
-
-#define DPLL_A			0x06014
-#define DPLL_B			0x06018
-#define DPLL_VCO_ENABLE			(1 << 31)
-#define DPLL_DVO_HIGH_SPEED		(1 << 30)
-#define DPLL_SYNCLOCK_ENABLE		(1 << 29)
-#define DPLL_VGA_MODE_DIS		(1 << 28)
-#define DPLLB_MODE_DAC_SERIAL		(1 << 26)	/* i915 */
-#define DPLLB_MODE_LVDS			(2 << 26)	/* i915 */
-#define DPLL_MODE_MASK			(3 << 26)
-#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10	(0 << 24)	/* i915 */
-#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5	(1 << 24)	/* i915 */
-#define DPLLB_LVDS_P2_CLOCK_DIV_14	(0 << 24)	/* i915 */
-#define DPLLB_LVDS_P2_CLOCK_DIV_7	(1 << 24)	/* i915 */
-#define DPLL_P2_CLOCK_DIV_MASK		0x03000000	/* i915 */
-#define DPLL_FPA01_P1_POST_DIV_MASK	0x00ff0000	/* i915 */
-#define DPLL_LOCK			(1 << 15)	/* CDV */
-
-/*
- *  The i830 generation, in DAC/serial mode, defines p1 as two plus this
- * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
- */
-# define DPLL_FPA01_P1_POST_DIV_MASK_I830	0x001f0000
-/*
- * The i830 generation, in LVDS mode, defines P1 as the bit number set within
- * this field (only one bit may be set).
- */
-#define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS	0x003f0000
-#define DPLL_FPA01_P1_POST_DIV_SHIFT	16
-#define PLL_P2_DIVIDE_BY_4		(1 << 23)	/* i830, required
-							 * in DVO non-gang */
-# define PLL_P1_DIVIDE_BY_TWO		(1 << 21)	/* i830 */
-#define PLL_REF_INPUT_DREFCLK		(0 << 13)
-#define PLL_REF_INPUT_TVCLKINA		(1 << 13)	/* i830 */
-#define PLL_REF_INPUT_TVCLKINBC		(2 << 13)	/* SDVO
-								 * TVCLKIN */
-#define PLLB_REF_INPUT_SPREADSPECTRUMIN	(3 << 13)
-#define PLL_REF_INPUT_MASK		(3 << 13)
-#define PLL_LOAD_PULSE_PHASE_SHIFT	9
-/*
- * Parallel to Serial Load Pulse phase selection.
- * Selects the phase for the 10X DPLL clock for the PCIe
- * digital display port. The range is 4 to 13; 10 or more
- * is just a flip delay. The default is 6
- */
-#define PLL_LOAD_PULSE_PHASE_MASK	(0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
-#define DISPLAY_RATE_SELECT_FPA1	(1 << 8)
-
-/*
- * SDVO multiplier for 945G/GM. Not used on 965.
- *
- * DPLL_MD_UDI_MULTIPLIER_MASK
- */
-#define SDVO_MULTIPLIER_MASK		0x000000ff
-#define SDVO_MULTIPLIER_SHIFT_HIRES	4
-#define SDVO_MULTIPLIER_SHIFT_VGA	0
-
-/*
- * PLL_MD
- */
-/* Pipe A SDVO/UDI clock multiplier/divider register for G965. */
-#define DPLL_A_MD		0x0601c
-/* Pipe B SDVO/UDI clock multiplier/divider register for G965. */
-#define DPLL_B_MD		0x06020
-/*
- * UDI pixel divider, controlling how many pixels are stuffed into a packet.
- *
- * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
- */
-#define DPLL_MD_UDI_DIVIDER_MASK	0x3f000000
-#define DPLL_MD_UDI_DIVIDER_SHIFT	24
-/* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
-#define DPLL_MD_VGA_UDI_DIVIDER_MASK	0x003f0000
-#define DPLL_MD_VGA_UDI_DIVIDER_SHIFT	16
-/*
- * SDVO/UDI pixel multiplier.
- *
- * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
- * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
- * modes, the bus rate would be below the limits, so SDVO allows for stuffing
- * dummy bytes in the datastream at an increased clock rate, with both sides of
- * the link knowing how many bytes are fill.
- *
- * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
- * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
- * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
- * through an SDVO command.
- *
- * This register field has values of multiplication factor minus 1, with
- * a maximum multiplier of 5 for SDVO.
- */
-#define DPLL_MD_UDI_MULTIPLIER_MASK	0x00003f00
-#define DPLL_MD_UDI_MULTIPLIER_SHIFT	8
-/*
- * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
- * This best be set to the default value (3) or the CRT won't work. No,
- * I don't entirely understand what this does...
- */
-#define DPLL_MD_VGA_UDI_MULTIPLIER_MASK	0x0000003f
-#define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0
-
-#define DPLL_TEST		0x606c
-#define DPLLB_TEST_SDVO_DIV_1		(0 << 22)
-#define DPLLB_TEST_SDVO_DIV_2		(1 << 22)
-#define DPLLB_TEST_SDVO_DIV_4		(2 << 22)
-#define DPLLB_TEST_SDVO_DIV_MASK	(3 << 22)
-#define DPLLB_TEST_N_BYPASS		(1 << 19)
-#define DPLLB_TEST_M_BYPASS		(1 << 18)
-#define DPLLB_INPUT_BUFFER_ENABLE	(1 << 16)
-#define DPLLA_TEST_N_BYPASS		(1 << 3)
-#define DPLLA_TEST_M_BYPASS		(1 << 2)
-#define DPLLA_INPUT_BUFFER_ENABLE	(1 << 0)
-
-#define ADPA			0x61100
-#define ADPA_DAC_ENABLE			(1 << 31)
-#define ADPA_DAC_DISABLE		0
-#define ADPA_PIPE_SELECT_MASK		(1 << 30)
-#define ADPA_PIPE_A_SELECT		0
-#define ADPA_PIPE_B_SELECT		(1 << 30)
-#define ADPA_USE_VGA_HVPOLARITY		(1 << 15)
-#define ADPA_SETS_HVPOLARITY		0
-#define ADPA_VSYNC_CNTL_DISABLE		(1 << 11)
-#define ADPA_VSYNC_CNTL_ENABLE		0
-#define ADPA_HSYNC_CNTL_DISABLE		(1 << 10)
-#define ADPA_HSYNC_CNTL_ENABLE		0
-#define ADPA_VSYNC_ACTIVE_HIGH		(1 << 4)
-#define ADPA_VSYNC_ACTIVE_LOW		0
-#define ADPA_HSYNC_ACTIVE_HIGH		(1 << 3)
-#define ADPA_HSYNC_ACTIVE_LOW		0
-
-#define FPA0			0x06040
-#define FPA1			0x06044
-#define FPB0			0x06048
-#define FPB1			0x0604c
-#define FP_N_DIV_MASK			0x003f0000
-#define FP_N_DIV_SHIFT			16
-#define FP_M1_DIV_MASK			0x00003f00
-#define FP_M1_DIV_SHIFT			8
-#define FP_M2_DIV_MASK			0x0000003f
-#define FP_M2_DIV_SHIFT			0
-
-#define PORT_HOTPLUG_EN		0x61110
-#define SDVOB_HOTPLUG_INT_EN		(1 << 26)
-#define SDVOC_HOTPLUG_INT_EN		(1 << 25)
-#define TV_HOTPLUG_INT_EN		(1 << 18)
-#define CRT_HOTPLUG_INT_EN		(1 << 9)
-#define CRT_HOTPLUG_FORCE_DETECT	(1 << 3)
-/* CDV.. */
-#define CRT_HOTPLUG_ACTIVATION_PERIOD_64	(1 << 8)
-#define CRT_HOTPLUG_DAC_ON_TIME_2M		(0 << 7)
-#define CRT_HOTPLUG_DAC_ON_TIME_4M		(1 << 7)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_40		(0 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_50		(1 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_60		(2 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_70		(3 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK	(3 << 5)
-#define CRT_HOTPLUG_DETECT_DELAY_1G		(0 << 4)
-#define CRT_HOTPLUG_DETECT_DELAY_2G		(1 << 4)
-#define CRT_HOTPLUG_DETECT_VOLTAGE_325MV	(0 << 2)
-#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV	(1 << 2)
-#define CRT_HOTPLUG_DETECT_MASK			0x000000F8
-
-#define PORT_HOTPLUG_STAT	0x61114
-#define CRT_HOTPLUG_INT_STATUS		(1 << 11)
-#define TV_HOTPLUG_INT_STATUS		(1 << 10)
-#define CRT_HOTPLUG_MONITOR_MASK	(3 << 8)
-#define CRT_HOTPLUG_MONITOR_COLOR	(3 << 8)
-#define CRT_HOTPLUG_MONITOR_MONO	(2 << 8)
-#define CRT_HOTPLUG_MONITOR_NONE	(0 << 8)
-#define SDVOC_HOTPLUG_INT_STATUS	(1 << 7)
-#define SDVOB_HOTPLUG_INT_STATUS	(1 << 6)
-
-#define SDVOB			0x61140
-#define SDVOC			0x61160
-#define SDVO_ENABLE			(1 << 31)
-#define SDVO_PIPE_B_SELECT		(1 << 30)
-#define SDVO_STALL_SELECT		(1 << 29)
-#define SDVO_INTERRUPT_ENABLE		(1 << 26)
-
-/**
- * 915G/GM SDVO pixel multiplier.
- *
- * Programmed value is multiplier - 1, up to 5x.
- *
- * DPLL_MD_UDI_MULTIPLIER_MASK
- */
-#define SDVO_PORT_MULTIPLY_MASK		(7 << 23)
-#define SDVO_PORT_MULTIPLY_SHIFT	23
-#define SDVO_PHASE_SELECT_MASK		(15 << 19)
-#define SDVO_PHASE_SELECT_DEFAULT	(6 << 19)
-#define SDVO_CLOCK_OUTPUT_INVERT	(1 << 18)
-#define SDVOC_GANG_MODE			(1 << 16)
-#define SDVO_BORDER_ENABLE		(1 << 7)
-#define SDVOB_PCIE_CONCURRENCY		(1 << 3)
-#define SDVO_DETECTED			(1 << 2)
-/* Bits to be preserved when writing */
-#define SDVOB_PRESERVE_MASK		((1 << 17) | (1 << 16) | (1 << 14))
-#define SDVOC_PRESERVE_MASK		(1 << 17)
-
-/*
- * This register controls the LVDS output enable, pipe selection, and data
- * format selection.
- *
- * All of the clock/data pairs are force powered down by power sequencing.
- */
-#define LVDS			0x61180
-/*
- * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
- * the DPLL semantics change when the LVDS is assigned to that pipe.
- */
-#define LVDS_PORT_EN			(1 << 31)
-/* Selects pipe B for LVDS data.  Must be set on pre-965. */
-#define LVDS_PIPEB_SELECT		(1 << 30)
-
-/* Turns on border drawing to allow centered display. */
-#define LVDS_BORDER_EN			(1 << 15)
-
-/*
- * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
- * pixel.
- */
-#define LVDS_A0A2_CLKA_POWER_MASK	(3 << 8)
-#define LVDS_A0A2_CLKA_POWER_DOWN	(0 << 8)
-#define LVDS_A0A2_CLKA_POWER_UP		(3 << 8)
-/*
- * Controls the A3 data pair, which contains the additional LSBs for 24 bit
- * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
- * on.
- */
-#define LVDS_A3_POWER_MASK		(3 << 6)
-#define LVDS_A3_POWER_DOWN		(0 << 6)
-#define LVDS_A3_POWER_UP		(3 << 6)
-/*
- * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
- * is set.
- */
-#define LVDS_CLKB_POWER_MASK		(3 << 4)
-#define LVDS_CLKB_POWER_DOWN		(0 << 4)
-#define LVDS_CLKB_POWER_UP		(3 << 4)
-/*
- * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
- * setting for whether we are in dual-channel mode.  The B3 pair will
- * additionally only be powered up when LVDS_A3_POWER_UP is set.
- */
-#define LVDS_B0B3_POWER_MASK		(3 << 2)
-#define LVDS_B0B3_POWER_DOWN		(0 << 2)
-#define LVDS_B0B3_POWER_UP		(3 << 2)
-
-#define PIPEACONF		0x70008
-#define PIPEACONF_ENABLE		(1 << 31)
-#define PIPEACONF_DISABLE		0
-#define PIPEACONF_DOUBLE_WIDE		(1 << 30)
-#define PIPECONF_ACTIVE			(1 << 30)
-#define I965_PIPECONF_ACTIVE		(1 << 30)
-#define PIPECONF_DSIPLL_LOCK		(1 << 29)
-#define PIPEACONF_SINGLE_WIDE		0
-#define PIPEACONF_PIPE_UNLOCKED		0
-#define PIPEACONF_DSR			(1 << 26)
-#define PIPEACONF_PIPE_LOCKED		(1 << 25)
-#define PIPEACONF_PALETTE		0
-#define PIPECONF_FORCE_BORDER		(1 << 25)
-#define PIPEACONF_GAMMA			(1 << 24)
-#define PIPECONF_PROGRESSIVE		(0 << 21)
-#define PIPECONF_INTERLACE_W_FIELD_INDICATION	(6 << 21)
-#define PIPECONF_INTERLACE_FIELD_0_ONLY		(7 << 21)
-#define PIPECONF_PLANE_OFF		(1 << 19)
-#define PIPECONF_CURSOR_OFF		(1 << 18)
-
-#define PIPEBCONF		0x71008
-#define PIPEBCONF_ENABLE		(1 << 31)
-#define PIPEBCONF_DISABLE		0
-#define PIPEBCONF_DOUBLE_WIDE		(1 << 30)
-#define PIPEBCONF_DISABLE		0
-#define PIPEBCONF_GAMMA			(1 << 24)
-#define PIPEBCONF_PALETTE		0
-
-#define PIPECCONF		0x72008
-
-#define PIPEBGCMAXRED		0x71010
-#define PIPEBGCMAXGREEN		0x71014
-#define PIPEBGCMAXBLUE		0x71018
-
-#define PIPEASTAT		0x70024
-#define PIPEBSTAT		0x71024
-#define PIPECSTAT		0x72024
-#define PIPE_VBLANK_INTERRUPT_STATUS		(1UL << 1)
-#define PIPE_START_VBLANK_INTERRUPT_STATUS	(1UL << 2)
-#define PIPE_VBLANK_CLEAR			(1 << 1)
-#define PIPE_VBLANK_STATUS			(1 << 1)
-#define PIPE_TE_STATUS				(1UL << 6)
-#define PIPE_DPST_EVENT_STATUS			(1UL << 7)
-#define PIPE_VSYNC_CLEAR			(1UL << 9)
-#define PIPE_VSYNC_STATUS			(1UL << 9)
-#define PIPE_HDMI_AUDIO_UNDERRUN_STATUS		(1UL << 10)
-#define PIPE_HDMI_AUDIO_BUFFER_DONE_STATUS	(1UL << 11)
-#define PIPE_VBLANK_INTERRUPT_ENABLE		(1UL << 17)
-#define PIPE_START_VBLANK_INTERRUPT_ENABLE	(1UL << 18)
-#define PIPE_TE_ENABLE				(1UL << 22)
-#define PIPE_DPST_EVENT_ENABLE			(1UL << 23)
-#define PIPE_VSYNC_ENABL			(1UL << 25)
-#define PIPE_HDMI_AUDIO_UNDERRUN		(1UL << 26)
-#define PIPE_HDMI_AUDIO_BUFFER_DONE		(1UL << 27)
-#define PIPE_HDMI_AUDIO_INT_MASK		(PIPE_HDMI_AUDIO_UNDERRUN | \
-						PIPE_HDMI_AUDIO_BUFFER_DONE)
-#define PIPE_EVENT_MASK ((1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)|(1 << 24)|(1 << 23)|(1 << 22)|(1 << 21)|(1 << 20)|(1 << 16))
-#define PIPE_VBLANK_MASK ((1 << 25)|(1 << 24)|(1 << 18)|(1 << 17))
-#define HISTOGRAM_INT_CONTROL		0x61268
-#define HISTOGRAM_BIN_DATA		0X61264
-#define HISTOGRAM_LOGIC_CONTROL		0x61260
-#define PWM_CONTROL_LOGIC		0x61250
-#define PIPE_HOTPLUG_INTERRUPT_STATUS		(1UL << 10)
-#define HISTOGRAM_INTERRUPT_ENABLE		(1UL << 31)
-#define HISTOGRAM_LOGIC_ENABLE			(1UL << 31)
-#define PWM_LOGIC_ENABLE			(1UL << 31)
-#define PWM_PHASEIN_ENABLE			(1UL << 25)
-#define PWM_PHASEIN_INT_ENABLE			(1UL << 24)
-#define PWM_PHASEIN_VB_COUNT			0x00001f00
-#define PWM_PHASEIN_INC				0x0000001f
-#define HISTOGRAM_INT_CTRL_CLEAR		(1UL << 30)
-#define DPST_YUV_LUMA_MODE			0
-
-struct dpst_ie_histogram_control {
-	union {
-		uint32_t data;
-		struct {
-			uint32_t bin_reg_index:7;
-			uint32_t reserved:4;
-			uint32_t bin_reg_func_select:1;
-			uint32_t sync_to_phase_in:1;
-			uint32_t alt_enhancement_mode:2;
-			uint32_t reserved1:1;
-			uint32_t sync_to_phase_in_count:8;
-			uint32_t histogram_mode_select:1;
-			uint32_t reserved2:4;
-			uint32_t ie_pipe_assignment:1;
-			uint32_t ie_mode_table_enabled:1;
-			uint32_t ie_histogram_enable:1;
-		};
-	};
-};
-
-struct dpst_guardband {
-	union {
-		uint32_t data;
-		struct {
-			uint32_t guardband:22;
-			uint32_t guardband_interrupt_delay:8;
-			uint32_t interrupt_status:1;
-			uint32_t interrupt_enable:1;
-		};
-	};
-};
-
-#define PIPEAFRAMEHIGH		0x70040
-#define PIPEAFRAMEPIXEL		0x70044
-#define PIPEBFRAMEHIGH		0x71040
-#define PIPEBFRAMEPIXEL		0x71044
-#define PIPECFRAMEHIGH		0x72040
-#define PIPECFRAMEPIXEL		0x72044
-#define PIPE_FRAME_HIGH_MASK	0x0000ffff
-#define PIPE_FRAME_HIGH_SHIFT	0
-#define PIPE_FRAME_LOW_MASK	0xff000000
-#define PIPE_FRAME_LOW_SHIFT	24
-#define PIPE_PIXEL_MASK		0x00ffffff
-#define PIPE_PIXEL_SHIFT	0
-
-#define DSPARB			0x70030
-#define DSPFW1			0x70034
-#define DSPFW2			0x70038
-#define DSPFW3			0x7003c
-#define DSPFW4			0x70050
-#define DSPFW5			0x70054
-#define DSPFW6			0x70058
-#define DSPCHICKENBIT		0x70400
-#define DSPACNTR		0x70180
-#define DSPBCNTR		0x71180
-#define DSPCCNTR		0x72180
-#define DISPLAY_PLANE_ENABLE			(1 << 31)
-#define DISPLAY_PLANE_DISABLE			0
-#define DISPPLANE_GAMMA_ENABLE			(1 << 30)
-#define DISPPLANE_GAMMA_DISABLE			0
-#define DISPPLANE_PIXFORMAT_MASK		(0xf << 26)
-#define DISPPLANE_8BPP				(0x2 << 26)
-#define DISPPLANE_15_16BPP			(0x4 << 26)
-#define DISPPLANE_16BPP				(0x5 << 26)
-#define DISPPLANE_32BPP_NO_ALPHA		(0x6 << 26)
-#define DISPPLANE_32BPP				(0x7 << 26)
-#define DISPPLANE_STEREO_ENABLE			(1 << 25)
-#define DISPPLANE_STEREO_DISABLE		0
-#define DISPPLANE_SEL_PIPE_MASK			(1 << 24)
-#define DISPPLANE_SEL_PIPE_POS			24
-#define DISPPLANE_SEL_PIPE_A			0
-#define DISPPLANE_SEL_PIPE_B			(1 << 24)
-#define DISPPLANE_SRC_KEY_ENABLE		(1 << 22)
-#define DISPPLANE_SRC_KEY_DISABLE		0
-#define DISPPLANE_LINE_DOUBLE			(1 << 20)
-#define DISPPLANE_NO_LINE_DOUBLE		0
-#define DISPPLANE_STEREO_POLARITY_FIRST		0
-#define DISPPLANE_STEREO_POLARITY_SECOND	(1 << 18)
-/* plane B only */
-#define DISPPLANE_ALPHA_TRANS_ENABLE		(1 << 15)
-#define DISPPLANE_ALPHA_TRANS_DISABLE		0
-#define DISPPLANE_SPRITE_ABOVE_DISPLAYA		0
-#define DISPPLANE_SPRITE_ABOVE_OVERLAY		(1)
-#define DISPPLANE_BOTTOM			(4)
-
-#define DSPABASE		0x70184
-#define DSPALINOFF		0x70184
-#define DSPASTRIDE		0x70188
-
-#define DSPBBASE		0x71184
-#define DSPBLINOFF		0X71184
-#define DSPBADDR		DSPBBASE
-#define DSPBSTRIDE		0x71188
-
-#define DSPCBASE		0x72184
-#define DSPCLINOFF		0x72184
-#define DSPCSTRIDE		0x72188
-
-#define DSPAKEYVAL		0x70194
-#define DSPAKEYMASK		0x70198
-
-#define DSPAPOS			0x7018C	/* reserved */
-#define DSPASIZE		0x70190
-#define DSPBPOS			0x7118C
-#define DSPBSIZE		0x71190
-#define DSPCPOS			0x7218C
-#define DSPCSIZE		0x72190
-
-#define DSPASURF		0x7019C
-#define DSPATILEOFF		0x701A4
-
-#define DSPBSURF		0x7119C
-#define DSPBTILEOFF		0x711A4
-
-#define DSPCSURF		0x7219C
-#define DSPCTILEOFF		0x721A4
-#define DSPCKEYMAXVAL		0x721A0
-#define DSPCKEYMINVAL		0x72194
-#define DSPCKEYMSK		0x72198
-
-#define VGACNTRL		0x71400
-#define VGA_DISP_DISABLE		(1 << 31)
-#define VGA_2X_MODE			(1 << 30)
-#define VGA_PIPE_B_SELECT		(1 << 29)
-
-/*
- * Overlay registers
- */
-#define OV_C_OFFSET		0x08000
-#define OV_OVADD		0x30000
-#define OV_DOVASTA		0x30008
-# define OV_PIPE_SELECT			((1 << 6)|(1 << 7))
-# define OV_PIPE_SELECT_POS		6
-# define OV_PIPE_A			0
-# define OV_PIPE_C			1
-#define OV_OGAMC5		0x30010
-#define OV_OGAMC4		0x30014
-#define OV_OGAMC3		0x30018
-#define OV_OGAMC2		0x3001C
-#define OV_OGAMC1		0x30020
-#define OV_OGAMC0		0x30024
-#define OVC_OVADD		0x38000
-#define OVC_DOVCSTA		0x38008
-#define OVC_OGAMC5		0x38010
-#define OVC_OGAMC4		0x38014
-#define OVC_OGAMC3		0x38018
-#define OVC_OGAMC2		0x3801C
-#define OVC_OGAMC1		0x38020
-#define OVC_OGAMC0		0x38024
-
-/*
- * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
- * of video memory available to the BIOS in SWF1.
- */
-#define SWF0			0x71410
-#define SWF1			0x71414
-#define SWF2			0x71418
-#define SWF3			0x7141c
-#define SWF4			0x71420
-#define SWF5			0x71424
-#define SWF6			0x71428
-
-/*
- * 855 scratch registers.
- */
-#define SWF00			0x70410
-#define SWF01			0x70414
-#define SWF02			0x70418
-#define SWF03			0x7041c
-#define SWF04			0x70420
-#define SWF05			0x70424
-#define SWF06			0x70428
-
-#define SWF10			SWF0
-#define SWF11			SWF1
-#define SWF12			SWF2
-#define SWF13			SWF3
-#define SWF14			SWF4
-#define SWF15			SWF5
-#define SWF16			SWF6
-
-#define SWF30			0x72414
-#define SWF31			0x72418
-#define SWF32			0x7241c
-
-
-/*
- * Palette registers
- */
-#define PALETTE_A		0x0a000
-#define PALETTE_B		0x0a800
-#define PALETTE_C		0x0ac00
-
-/* Cursor A & B regs */
-#define CURACNTR		0x70080
-#define CURSOR_MODE_DISABLE		0x00
-#define CURSOR_MODE_64_32B_AX		0x07
-#define CURSOR_MODE_64_ARGB_AX		((1 << 5) | CURSOR_MODE_64_32B_AX)
-#define MCURSOR_GAMMA_ENABLE		(1 << 26)
-#define CURABASE		0x70084
-#define CURAPOS			0x70088
-#define CURSOR_POS_MASK			0x007FF
-#define CURSOR_POS_SIGN			0x8000
-#define CURSOR_X_SHIFT			0
-#define CURSOR_Y_SHIFT			16
-#define CURBCNTR		0x700c0
-#define CURBBASE		0x700c4
-#define CURBPOS			0x700c8
-#define CURCCNTR		0x700e0
-#define CURCBASE		0x700e4
-#define CURCPOS			0x700e8
-
-/*
- * Interrupt Registers
- */
-#define IER			0x020a0
-#define IIR			0x020a4
-#define IMR			0x020a8
-#define ISR			0x020ac
-
-/*
- * MOORESTOWN delta registers
- */
-#define MRST_DPLL_A		0x0f014
-#define MDFLD_DPLL_B		0x0f018
-#define MDFLD_INPUT_REF_SEL		(1 << 14)
-#define MDFLD_VCO_SEL			(1 << 16)
-#define DPLLA_MODE_LVDS			(2 << 26)	/* mrst */
-#define MDFLD_PLL_LATCHEN		(1 << 28)
-#define MDFLD_PWR_GATE_EN		(1 << 30)
-#define MDFLD_P1_MASK			(0x1FF << 17)
-#define MRST_FPA0		0x0f040
-#define MRST_FPA1		0x0f044
-#define MDFLD_DPLL_DIV0		0x0f048
-#define MDFLD_DPLL_DIV1		0x0f04c
-#define MRST_PERF_MODE		0x020f4
-
-/*
- * MEDFIELD HDMI registers
- */
-#define HDMIPHYMISCCTL		0x61134
-#define HDMI_PHY_POWER_DOWN		0x7f
-#define HDMIB_CONTROL		0x61140
-#define HDMIB_PORT_EN			(1 << 31)
-#define HDMIB_PIPE_B_SELECT		(1 << 30)
-#define HDMIB_NULL_PACKET		(1 << 9)
-#define HDMIB_HDCP_PORT			(1 << 5)
-
-/* #define LVDS			0x61180 */
-#define MRST_PANEL_8TO6_DITHER_ENABLE	(1 << 25)
-#define MRST_PANEL_24_DOT_1_FORMAT	(1 << 24)
-#define LVDS_A3_POWER_UP_0_OUTPUT	(1 << 6)
-
-#define MIPI			0x61190
-#define MIPI_C			0x62190
-#define MIPI_PORT_EN			(1 << 31)
-/* Turns on border drawing to allow centered display. */
-#define SEL_FLOPPED_HSTX		(1 << 23)
-#define PASS_FROM_SPHY_TO_AFE		(1 << 16)
-#define MIPI_BORDER_EN			(1 << 15)
-#define MIPIA_3LANE_MIPIC_1LANE		0x1
-#define MIPIA_2LANE_MIPIC_2LANE		0x2
-#define TE_TRIGGER_DSI_PROTOCOL		(1 << 2)
-#define TE_TRIGGER_GPIO_PIN		(1 << 3)
-#define MIPI_TE_COUNT		0x61194
-
-/* #define PP_CONTROL	0x61204 */
-#define POWER_DOWN_ON_RESET		(1 << 1)
-
-/* #define PFIT_CONTROL	0x61230 */
-#define PFIT_PIPE_SELECT		(3 << 29)
-#define PFIT_PIPE_SELECT_SHIFT		(29)
-
-/* #define BLC_PWM_CTL		0x61254 */
-#define MRST_BACKLIGHT_MODULATION_FREQ_SHIFT	(16)
-#define MRST_BACKLIGHT_MODULATION_FREQ_MASK	(0xffff << 16)
-
-/* #define PIPEACONF 0x70008 */
-#define PIPEACONF_PIPE_STATE		(1 << 30)
-/* #define DSPACNTR		0x70180 */
-
-#define MRST_DSPABASE		0x7019c
-#define MRST_DSPBBASE		0x7119c
-#define MDFLD_DSPCBASE		0x7219c
-
-/*
- * Moorestown registers.
- */
-
-/*
- *	MIPI IP registers
- */
-#define MIPIC_REG_OFFSET		0x800
-
-#define DEVICE_READY_REG		0xb000
-#define LP_OUTPUT_HOLD				(1 << 16)
-#define EXIT_ULPS_DEV_READY			0x3
-#define LP_OUTPUT_HOLD_RELEASE			0x810000
-# define ENTERING_ULPS				(2 << 1)
-# define EXITING_ULPS				(1 << 1)
-# define ULPS_MASK				(3 << 1)
-# define BUS_POSSESSION				(1 << 3)
-#define INTR_STAT_REG			0xb004
-#define RX_SOT_ERROR				(1 << 0)
-#define RX_SOT_SYNC_ERROR			(1 << 1)
-#define RX_ESCAPE_MODE_ENTRY_ERROR		(1 << 3)
-#define RX_LP_TX_SYNC_ERROR			(1 << 4)
-#define RX_HS_RECEIVE_TIMEOUT_ERROR		(1 << 5)
-#define RX_FALSE_CONTROL_ERROR			(1 << 6)
-#define RX_ECC_SINGLE_BIT_ERROR			(1 << 7)
-#define RX_ECC_MULTI_BIT_ERROR			(1 << 8)
-#define RX_CHECKSUM_ERROR			(1 << 9)
-#define RX_DSI_DATA_TYPE_NOT_RECOGNIZED		(1 << 10)
-#define RX_DSI_VC_ID_INVALID			(1 << 11)
-#define TX_FALSE_CONTROL_ERROR			(1 << 12)
-#define TX_ECC_SINGLE_BIT_ERROR			(1 << 13)
-#define TX_ECC_MULTI_BIT_ERROR			(1 << 14)
-#define TX_CHECKSUM_ERROR			(1 << 15)
-#define TX_DSI_DATA_TYPE_NOT_RECOGNIZED		(1 << 16)
-#define TX_DSI_VC_ID_INVALID			(1 << 17)
-#define HIGH_CONTENTION				(1 << 18)
-#define LOW_CONTENTION				(1 << 19)
-#define DPI_FIFO_UNDER_RUN			(1 << 20)
-#define HS_TX_TIMEOUT				(1 << 21)
-#define LP_RX_TIMEOUT				(1 << 22)
-#define TURN_AROUND_ACK_TIMEOUT			(1 << 23)
-#define ACK_WITH_NO_ERROR			(1 << 24)
-#define HS_GENERIC_WR_FIFO_FULL			(1 << 27)
-#define LP_GENERIC_WR_FIFO_FULL			(1 << 28)
-#define SPL_PKT_SENT				(1 << 30)
-#define INTR_EN_REG			0xb008
-#define DSI_FUNC_PRG_REG		0xb00c
-#define DPI_CHANNEL_NUMBER_POS			0x03
-#define DBI_CHANNEL_NUMBER_POS			0x05
-#define FMT_DPI_POS				0x07
-#define FMT_DBI_POS				0x0A
-#define DBI_DATA_WIDTH_POS			0x0D
-
-/* DPI PIXEL FORMATS */
-#define RGB_565_FMT				0x01	/* RGB 565 FORMAT */
-#define RGB_666_FMT				0x02	/* RGB 666 FORMAT */
-#define LRGB_666_FMT				0x03	/* RGB LOOSELY PACKED
-							 * 666 FORMAT
-							 */
-#define RGB_888_FMT				0x04	/* RGB 888 FORMAT */
-#define VIRTUAL_CHANNEL_NUMBER_0		0x00	/* Virtual channel 0 */
-#define VIRTUAL_CHANNEL_NUMBER_1		0x01	/* Virtual channel 1 */
-#define VIRTUAL_CHANNEL_NUMBER_2		0x02	/* Virtual channel 2 */
-#define VIRTUAL_CHANNEL_NUMBER_3		0x03	/* Virtual channel 3 */
-
-#define DBI_NOT_SUPPORTED			0x00	/* command mode
-							 * is not supported
-							 */
-#define DBI_DATA_WIDTH_16BIT			0x01	/* 16 bit data */
-#define DBI_DATA_WIDTH_9BIT			0x02	/* 9 bit data */
-#define DBI_DATA_WIDTH_8BIT			0x03	/* 8 bit data */
-#define DBI_DATA_WIDTH_OPT1			0x04	/* option 1 */
-#define DBI_DATA_WIDTH_OPT2			0x05	/* option 2 */
-
-#define HS_TX_TIMEOUT_REG		0xb010
-#define LP_RX_TIMEOUT_REG		0xb014
-#define TURN_AROUND_TIMEOUT_REG		0xb018
-#define DEVICE_RESET_REG		0xb01C
-#define DPI_RESOLUTION_REG		0xb020
-#define RES_V_POS				0x10
-#define DBI_RESOLUTION_REG		0xb024 /* Reserved for MDFLD */
-#define HORIZ_SYNC_PAD_COUNT_REG	0xb028
-#define HORIZ_BACK_PORCH_COUNT_REG	0xb02C
-#define HORIZ_FRONT_PORCH_COUNT_REG	0xb030
-#define HORIZ_ACTIVE_AREA_COUNT_REG	0xb034
-#define VERT_SYNC_PAD_COUNT_REG		0xb038
-#define VERT_BACK_PORCH_COUNT_REG	0xb03c
-#define VERT_FRONT_PORCH_COUNT_REG	0xb040
-#define HIGH_LOW_SWITCH_COUNT_REG	0xb044
-#define DPI_CONTROL_REG			0xb048
-#define DPI_SHUT_DOWN				(1 << 0)
-#define DPI_TURN_ON				(1 << 1)
-#define DPI_COLOR_MODE_ON			(1 << 2)
-#define DPI_COLOR_MODE_OFF			(1 << 3)
-#define DPI_BACK_LIGHT_ON			(1 << 4)
-#define DPI_BACK_LIGHT_OFF			(1 << 5)
-#define DPI_LP					(1 << 6)
-#define DPI_DATA_REG			0xb04c
-#define DPI_BACK_LIGHT_ON_DATA			0x07
-#define DPI_BACK_LIGHT_OFF_DATA			0x17
-#define INIT_COUNT_REG			0xb050
-#define MAX_RET_PAK_REG			0xb054
-#define VIDEO_FMT_REG			0xb058
-#define COMPLETE_LAST_PCKT			(1 << 2)
-#define EOT_DISABLE_REG			0xb05c
-#define ENABLE_CLOCK_STOPPING			(1 << 1)
-#define LP_BYTECLK_REG			0xb060
-#define LP_GEN_DATA_REG			0xb064
-#define HS_GEN_DATA_REG			0xb068
-#define LP_GEN_CTRL_REG			0xb06C
-#define HS_GEN_CTRL_REG			0xb070
-#define DCS_CHANNEL_NUMBER_POS		0x6
-#define MCS_COMMANDS_POS		0x8
-#define WORD_COUNTS_POS			0x8
-#define MCS_PARAMETER_POS			0x10
-#define GEN_FIFO_STAT_REG		0xb074
-#define HS_DATA_FIFO_FULL			(1 << 0)
-#define HS_DATA_FIFO_HALF_EMPTY			(1 << 1)
-#define HS_DATA_FIFO_EMPTY			(1 << 2)
-#define LP_DATA_FIFO_FULL			(1 << 8)
-#define LP_DATA_FIFO_HALF_EMPTY			(1 << 9)
-#define LP_DATA_FIFO_EMPTY			(1 << 10)
-#define HS_CTRL_FIFO_FULL			(1 << 16)
-#define HS_CTRL_FIFO_HALF_EMPTY			(1 << 17)
-#define HS_CTRL_FIFO_EMPTY			(1 << 18)
-#define LP_CTRL_FIFO_FULL			(1 << 24)
-#define LP_CTRL_FIFO_HALF_EMPTY			(1 << 25)
-#define LP_CTRL_FIFO_EMPTY			(1 << 26)
-#define DBI_FIFO_EMPTY				(1 << 27)
-#define DPI_FIFO_EMPTY				(1 << 28)
-#define HS_LS_DBI_ENABLE_REG		0xb078
-#define TXCLKESC_REG			0xb07c
-#define DPHY_PARAM_REG			0xb080
-#define DBI_BW_CTRL_REG			0xb084
-#define CLK_LANE_SWT_REG		0xb088
-
-/*
- * MIPI Adapter registers
- */
-#define MIPI_CONTROL_REG		0xb104
-#define MIPI_2X_CLOCK_BITS			((1 << 0) | (1 << 1))
-#define MIPI_DATA_ADDRESS_REG		0xb108
-#define MIPI_DATA_LENGTH_REG		0xb10C
-#define MIPI_COMMAND_ADDRESS_REG	0xb110
-#define MIPI_COMMAND_LENGTH_REG		0xb114
-#define MIPI_READ_DATA_RETURN_REG0	0xb118
-#define MIPI_READ_DATA_RETURN_REG1	0xb11C
-#define MIPI_READ_DATA_RETURN_REG2	0xb120
-#define MIPI_READ_DATA_RETURN_REG3	0xb124
-#define MIPI_READ_DATA_RETURN_REG4	0xb128
-#define MIPI_READ_DATA_RETURN_REG5	0xb12C
-#define MIPI_READ_DATA_RETURN_REG6	0xb130
-#define MIPI_READ_DATA_RETURN_REG7	0xb134
-#define MIPI_READ_DATA_VALID_REG	0xb138
-
-/* DBI COMMANDS */
-#define soft_reset			0x01
-/*
- *	The display module performs a software reset.
- *	Registers are written with their SW Reset default values.
- */
-#define get_power_mode			0x0a
-/*
- *	The display module returns the current power mode
- */
-#define get_address_mode		0x0b
-/*
- *	The display module returns the current status.
- */
-#define get_pixel_format		0x0c
-/*
- *	This command gets the pixel format for the RGB image data
- *	used by the interface.
- */
-#define get_display_mode		0x0d
-/*
- *	The display module returns the Display Image Mode status.
- */
-#define get_signal_mode			0x0e
-/*
- *	The display module returns the Display Signal Mode.
- */
-#define get_diagnostic_result		0x0f
-/*
- *	The display module returns the self-diagnostic results following
- *	a Sleep Out command.
- */
-#define enter_sleep_mode		0x10
-/*
- *	This command causes the display module to enter the Sleep mode.
- *	In this mode, all unnecessary blocks inside the display module are
- *	disabled except interface communication. This is the lowest power
- *	mode the display module supports.
- */
-#define exit_sleep_mode			0x11
-/*
- *	This command causes the display module to exit Sleep mode.
- *	All blocks inside the display module are enabled.
- */
-#define enter_partial_mode		0x12
-/*
- *	This command causes the display module to enter the Partial Display
- *	Mode. The Partial Display Mode window is described by the
- *	set_partial_area command.
- */
-#define enter_normal_mode		0x13
-/*
- *	This command causes the display module to enter the Normal mode.
- *	Normal Mode is defined as Partial Display mode and Scroll mode are off
- */
-#define exit_invert_mode		0x20
-/*
- *	This command causes the display module to stop inverting the image
- *	data on the display device. The frame memory contents remain unchanged.
- *	No status bits are changed.
- */
-#define enter_invert_mode		0x21
-/*
- *	This command causes the display module to invert the image data only on
- *	the display device. The frame memory contents remain unchanged.
- *	No status bits are changed.
- */
-#define set_gamma_curve			0x26
-/*
- *	This command selects the desired gamma curve for the display device.
- *	Four fixed gamma curves are defined in section DCS spec.
- */
-#define set_display_off			0x28
-/* ************************************************************************* *\
-This command causes the display module to stop displaying the image data
-on the display device. The frame memory contents remain unchanged.
-No status bits are changed.
-\* ************************************************************************* */
-#define set_display_on			0x29
-/* ************************************************************************* *\
-This command causes the display module to start displaying the image data
-on the display device. The frame memory contents remain unchanged.
-No status bits are changed.
-\* ************************************************************************* */
-#define set_column_address		0x2a
-/*
- *	This command defines the column extent of the frame memory accessed by
- *	the hostprocessor with the read_memory_continue and
- *	write_memory_continue commands.
- *	No status bits are changed.
- */
-#define set_page_addr			0x2b
-/*
- *	This command defines the page extent of the frame memory accessed by
- *	the host processor with the write_memory_continue and
- *	read_memory_continue command.
- *	No status bits are changed.
- */
-#define write_mem_start			0x2c
-/*
- *	This command transfers image data from the host processor to the
- *	display modules frame memory starting at the pixel location specified
- *	by preceding set_column_address and set_page_address commands.
- */
-#define set_partial_area		0x30
-/*
- *	This command defines the Partial Display mode s display area.
- *	There are two parameters associated with this command, the first
- *	defines the Start Row (SR) and the second the End Row (ER). SR and ER
- *	refer to the Frame Memory Line Pointer.
- */
-#define set_scroll_area			0x33
-/*
- *	This command defines the display modules Vertical Scrolling Area.
- */
-#define set_tear_off			0x34
-/*
- *	This command turns off the display modules Tearing Effect output
- *	signal on the TE signal line.
- */
-#define set_tear_on			0x35
-/*
- *	This command turns on the display modules Tearing Effect output signal
- *	on the TE signal line.
- */
-#define set_address_mode		0x36
-/*
- *	This command sets the data order for transfers from the host processor
- *	to display modules frame memory,bits B[7:5] and B3, and from the
- *	display modules frame memory to the display device, bits B[2:0] and B4.
- */
-#define set_scroll_start		0x37
-/*
- *	This command sets the start of the vertical scrolling area in the frame
- *	memory. The vertical scrolling area is fully defined when this command
- *	is used with the set_scroll_area command The set_scroll_start command
- *	has one parameter, the Vertical Scroll Pointer. The VSP defines the
- *	line in the frame memory that is written to the display device as the
- *	first line of the vertical scroll area.
- */
-#define exit_idle_mode			0x38
-/*
- *	This command causes the display module to exit Idle mode.
- */
-#define enter_idle_mode			0x39
-/*
- *	This command causes the display module to enter Idle Mode.
- *	In Idle Mode, color expression is reduced. Colors are shown on the
- *	display device using the MSB of each of the R, G and B color
- *	components in the frame memory
- */
-#define set_pixel_format		0x3a
-/*
- *	This command sets the pixel format for the RGB image data used by the
- *	interface.
- *	Bits D[6:4]  DPI Pixel Format Definition
- *	Bits D[2:0]  DBI Pixel Format Definition
- *	Bits D7 and D3 are not used.
- */
-#define DCS_PIXEL_FORMAT_3bpp		0x1
-#define DCS_PIXEL_FORMAT_8bpp		0x2
-#define DCS_PIXEL_FORMAT_12bpp		0x3
-#define DCS_PIXEL_FORMAT_16bpp		0x5
-#define DCS_PIXEL_FORMAT_18bpp		0x6
-#define DCS_PIXEL_FORMAT_24bpp		0x7
-
-#define write_mem_cont			0x3c
-
-/*
- *	This command transfers image data from the host processor to the
- *	display module's frame memory continuing from the pixel location
- *	following the previous write_memory_continue or write_memory_start
- *	command.
- */
-#define set_tear_scanline		0x44
-/*
- *	This command turns on the display modules Tearing Effect output signal
- *	on the TE signal line when the display module reaches line N.
- */
-#define get_scanline			0x45
-/*
- *	The display module returns the current scanline, N, used to update the
- *	 display device. The total number of scanlines on a display device is
- *	defined as VSYNC + VBP + VACT + VFP.The first scanline is defined as
- *	the first line of V Sync and is denoted as Line 0.
- *	When in Sleep Mode, the value returned by get_scanline is undefined.
- */
-
-/* MCS or Generic COMMANDS */
-/* MCS/generic data type */
-#define GEN_SHORT_WRITE_0	0x03  /* generic short write, no parameters */
-#define GEN_SHORT_WRITE_1	0x13  /* generic short write, 1 parameters */
-#define GEN_SHORT_WRITE_2	0x23  /* generic short write, 2 parameters */
-#define GEN_READ_0		0x04  /* generic read, no parameters */
-#define GEN_READ_1		0x14  /* generic read, 1 parameters */
-#define GEN_READ_2		0x24  /* generic read, 2 parameters */
-#define GEN_LONG_WRITE		0x29  /* generic long write */
-#define MCS_SHORT_WRITE_0	0x05  /* MCS short write, no parameters */
-#define MCS_SHORT_WRITE_1	0x15  /* MCS short write, 1 parameters */
-#define MCS_READ		0x06  /* MCS read, no parameters */
-#define MCS_LONG_WRITE		0x39  /* MCS long write */
-/* MCS/generic commands */
-/* TPO MCS */
-#define write_display_profile		0x50
-#define write_display_brightness	0x51
-#define write_ctrl_display		0x53
-#define write_ctrl_cabc			0x55
-  #define UI_IMAGE		0x01
-  #define STILL_IMAGE		0x02
-  #define MOVING_IMAGE		0x03
-#define write_hysteresis		0x57
-#define write_gamma_setting		0x58
-#define write_cabc_min_bright		0x5e
-#define write_kbbc_profile		0x60
-/* TMD MCS */
-#define tmd_write_display_brightness 0x8c
-
-/*
- *	This command is used to control ambient light, panel backlight
- *	brightness and gamma settings.
- */
-#define BRIGHT_CNTL_BLOCK_ON	(1 << 5)
-#define AMBIENT_LIGHT_SENSE_ON	(1 << 4)
-#define DISPLAY_DIMMING_ON	(1 << 3)
-#define BACKLIGHT_ON		(1 << 2)
-#define DISPLAY_BRIGHTNESS_AUTO	(1 << 1)
-#define GAMMA_AUTO		(1 << 0)
-
-/* DCS Interface Pixel Formats */
-#define DCS_PIXEL_FORMAT_3BPP	0x1
-#define DCS_PIXEL_FORMAT_8BPP	0x2
-#define DCS_PIXEL_FORMAT_12BPP	0x3
-#define DCS_PIXEL_FORMAT_16BPP	0x5
-#define DCS_PIXEL_FORMAT_18BPP	0x6
-#define DCS_PIXEL_FORMAT_24BPP	0x7
-/* ONE PARAMETER READ DATA */
-#define addr_mode_data		0xfc
-#define diag_res_data		0x00
-#define disp_mode_data		0x23
-#define pxl_fmt_data		0x77
-#define pwr_mode_data		0x74
-#define sig_mode_data		0x00
-/* TWO PARAMETERS READ DATA */
-#define scanline_data1		0xff
-#define scanline_data2		0xff
-#define NON_BURST_MODE_SYNC_PULSE	0x01	/* Non Burst Mode
-						 * with Sync Pulse
-						 */
-#define NON_BURST_MODE_SYNC_EVENTS	0x02	/* Non Burst Mode
-						 * with Sync events
-						 */
-#define BURST_MODE			0x03	/* Burst Mode */
-#define DBI_COMMAND_BUFFER_SIZE		0x240   /* 0x32 */    /* 0x120 */
-						/* Allocate at least
-						 * 0x100 Byte with 32
-						 * byte alignment
-						 */
-#define DBI_DATA_BUFFER_SIZE		0x120	/* Allocate at least
-						 * 0x100 Byte with 32
-						 * byte alignment
-						 */
-#define DBI_CB_TIME_OUT			0xFFFF
-
-#define GEN_FB_TIME_OUT			2000
-
-#define SKU_83				0x01
-#define SKU_100				0x02
-#define SKU_100L			0x04
-#define SKU_BYPASS			0x08
-
-/* Some handy macros for playing with bitfields. */
-#define PSB_MASK(high, low) (((1<<((high)-(low)+1))-1)<<(low))
-#define SET_FIELD(value, field) (((value) << field ## _SHIFT) & field ## _MASK)
-#define GET_FIELD(word, field) (((word)  & field ## _MASK) >> field ## _SHIFT)
-
-#define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))
-
-/* PCI config space */
-
-#define SB_PCKT         0x02100 /* cedarview */
-# define SB_OPCODE_MASK                         PSB_MASK(31, 16)
-# define SB_OPCODE_SHIFT                        16
-# define SB_OPCODE_READ                         0
-# define SB_OPCODE_WRITE                        1
-# define SB_DEST_MASK                           PSB_MASK(15, 8)
-# define SB_DEST_SHIFT                          8
-# define SB_DEST_DPLL                           0x88
-# define SB_BYTE_ENABLE_MASK                    PSB_MASK(7, 4)
-# define SB_BYTE_ENABLE_SHIFT                   4
-# define SB_BUSY                                (1 << 0)
-
-
-/* 32-bit value read/written from the DPIO reg. */
-#define SB_DATA		0x02104 /* cedarview */
-/* 32-bit address of the DPIO reg to be read/written. */
-#define SB_ADDR		0x02108 /* cedarview */
-#define DPIO_CFG	0x02110 /* cedarview */
-# define DPIO_MODE_SELECT_1			(1 << 3)
-# define DPIO_MODE_SELECT_0			(1 << 2)
-# define DPIO_SFR_BYPASS			(1 << 1)
-/* reset is active low */
-# define DPIO_CMN_RESET_N			(1 << 0)
-
-/* Cedarview sideband registers */
-#define _SB_M_A			0x8008
-#define _SB_M_B			0x8028
-#define SB_M(pipe) _PIPE(pipe, _SB_M_A, _SB_M_B)
-# define SB_M_DIVIDER_MASK			(0xFF << 24)
-# define SB_M_DIVIDER_SHIFT			24
-
-#define _SB_N_VCO_A		0x8014
-#define _SB_N_VCO_B		0x8034
-#define SB_N_VCO(pipe) _PIPE(pipe, _SB_N_VCO_A, _SB_N_VCO_B)
-#define SB_N_VCO_SEL_MASK			PSB_MASK(31, 30)
-#define SB_N_VCO_SEL_SHIFT			30
-#define SB_N_DIVIDER_MASK			PSB_MASK(29, 26)
-#define SB_N_DIVIDER_SHIFT			26
-#define SB_N_CB_TUNE_MASK			PSB_MASK(25, 24)
-#define SB_N_CB_TUNE_SHIFT			24
-
-#define _SB_REF_A		0x8018
-#define _SB_REF_B		0x8038
-#define SB_REF_SFR(pipe)	_PIPE(pipe, _SB_REF_A, _SB_REF_B)
-
-#define _SB_P_A			0x801c
-#define _SB_P_B			0x803c
-#define SB_P(pipe) _PIPE(pipe, _SB_P_A, _SB_P_B)
-#define SB_P2_DIVIDER_MASK			PSB_MASK(31, 30)
-#define SB_P2_DIVIDER_SHIFT			30
-#define SB_P2_10				0 /* HDMI, DP, DAC */
-#define SB_P2_5				1 /* DAC */
-#define SB_P2_14				2 /* LVDS single */
-#define SB_P2_7				3 /* LVDS double */
-#define SB_P1_DIVIDER_MASK			PSB_MASK(15, 12)
-#define SB_P1_DIVIDER_SHIFT			12
-
-#define PSB_LANE0		0x120
-#define PSB_LANE1		0x220
-#define PSB_LANE2		0x2320
-#define PSB_LANE3		0x2420
-
-#define LANE_PLL_MASK		(0x7 << 20)
-#define LANE_PLL_ENABLE		(0x3 << 20)
-
-
-#endif
diff --git a/drivers/staging/gma500/psb_intel_sdvo.c b/drivers/staging/gma500/psb_intel_sdvo.c
deleted file mode 100644
index a4bad1af4b7c..000000000000
--- a/drivers/staging/gma500/psb_intel_sdvo.c
+++ /dev/null
@@ -1,1293 +0,0 @@
-/*
- * Copyright (c) 2006-2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/delay.h>
-/* #include <drm/drm_crtc.h> */
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_sdvo_regs.h"
-
-struct psb_intel_sdvo_priv {
-	struct psb_intel_i2c_chan *i2c_bus;
-	int slaveaddr;
-	int output_device;
-
-	u16 active_outputs;
-
-	struct psb_intel_sdvo_caps caps;
-	int pixel_clock_min, pixel_clock_max;
-
-	int save_sdvo_mult;
-	u16 save_active_outputs;
-	struct psb_intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2;
-	struct psb_intel_sdvo_dtd save_output_dtd[16];
-	u32 save_SDVOX;
-	u8 in_out_map[4];
-
-	u8 by_input_wiring;
-	u32 active_device;
-};
-
-/**
- * Writes the SDVOB or SDVOC with the given value, but always writes both
- * SDVOB and SDVOC to work around apparent hardware issues (according to
- * comments in the BIOS).
- */
-void psb_intel_sdvo_write_sdvox(struct psb_intel_output *psb_intel_output,
-				u32 val)
-{
-	struct drm_device *dev = psb_intel_output->base.dev;
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	u32 bval = val, cval = val;
-	int i;
-
-	if (sdvo_priv->output_device == SDVOB)
-		cval = REG_READ(SDVOC);
-	else
-		bval = REG_READ(SDVOB);
-	/*
-	 * Write the registers twice for luck. Sometimes,
-	 * writing them only once doesn't appear to 'stick'.
-	 * The BIOS does this too. Yay, magic
-	 */
-	for (i = 0; i < 2; i++) {
-		REG_WRITE(SDVOB, bval);
-		REG_READ(SDVOB);
-		REG_WRITE(SDVOC, cval);
-		REG_READ(SDVOC);
-	}
-}
-
-static bool psb_intel_sdvo_read_byte(
-				struct psb_intel_output *psb_intel_output,
-				u8 addr, u8 *ch)
-{
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	u8 out_buf[2];
-	u8 buf[2];
-	int ret;
-
-	struct i2c_msg msgs[] = {
-		{
-		 .addr = sdvo_priv->i2c_bus->slave_addr,
-		 .flags = 0,
-		 .len = 1,
-		 .buf = out_buf,
-		 },
-		{
-		 .addr = sdvo_priv->i2c_bus->slave_addr,
-		 .flags = I2C_M_RD,
-		 .len = 1,
-		 .buf = buf,
-		 }
-	};
-
-	out_buf[0] = addr;
-	out_buf[1] = 0;
-
-	ret = i2c_transfer(&sdvo_priv->i2c_bus->adapter, msgs, 2);
-	if (ret == 2) {
-		*ch = buf[0];
-		return true;
-	}
-
-	return false;
-}
-
-static bool psb_intel_sdvo_write_byte(
-			struct psb_intel_output *psb_intel_output,
-			int addr, u8 ch)
-{
-	u8 out_buf[2];
-	struct i2c_msg msgs[] = {
-		{
-		 .addr = psb_intel_output->i2c_bus->slave_addr,
-		 .flags = 0,
-		 .len = 2,
-		 .buf = out_buf,
-		 }
-	};
-
-	out_buf[0] = addr;
-	out_buf[1] = ch;
-
-	if (i2c_transfer(&psb_intel_output->i2c_bus->adapter, msgs, 1) == 1)
-		return true;
-	return false;
-}
-
-#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
-/** Mapping of command numbers to names, for debug output */
-static const struct _sdvo_cmd_name {
-	u8 cmd;
-	char *name;
-} sdvo_cmd_names[] = {
-SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
-	    SDVO_CMD_NAME_ENTRY
-	    (SDVO_CMD_SET_TV_RESOLUTION_SUPPORT),
-	    SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),};
-
-#define SDVO_NAME(dev_priv) \
-		 ((dev_priv)->output_device == SDVOB ? "SDVOB" : "SDVOC")
-#define SDVO_PRIV(output)   ((struct psb_intel_sdvo_priv *) (output)->dev_priv)
-
-static void psb_intel_sdvo_write_cmd(struct psb_intel_output *psb_intel_output,
-				     u8 cmd,
-				     void *args,
-				     int args_len)
-{
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	int i;
-
-	if (0) {
-		printk(KERN_DEBUG "%s: W: %02X ", SDVO_NAME(sdvo_priv), cmd);
-		for (i = 0; i < args_len; i++)
-			printk(KERN_CONT "%02X ", ((u8 *) args)[i]);
-		for (; i < 8; i++)
-			printk(KERN_CONT "   ");
-		for (i = 0;
-		     i <
-		     sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]);
-		     i++) {
-			if (cmd == sdvo_cmd_names[i].cmd) {
-				printk(KERN_CONT
-					"(%s)", sdvo_cmd_names[i].name);
-				break;
-			}
-		}
-		if (i ==
-		    sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]))
-			printk(KERN_CONT "(%02X)", cmd);
-		printk(KERN_CONT "\n");
-	}
-
-	for (i = 0; i < args_len; i++) {
-		psb_intel_sdvo_write_byte(psb_intel_output,
-					SDVO_I2C_ARG_0 - i,
-					((u8 *) args)[i]);
-	}
-
-	psb_intel_sdvo_write_byte(psb_intel_output, SDVO_I2C_OPCODE, cmd);
-}
-
-static const char *const cmd_status_names[] = {
-	"Power on",
-	"Success",
-	"Not supported",
-	"Invalid arg",
-	"Pending",
-	"Target not specified",
-	"Scaling not supported"
-};
-
-static u8 psb_intel_sdvo_read_response(
-				struct psb_intel_output *psb_intel_output,
-				void *response, int response_len)
-{
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	int i;
-	u8 status;
-	u8 retry = 50;
-
-	while (retry--) {
-		/* Read the command response */
-		for (i = 0; i < response_len; i++) {
-			psb_intel_sdvo_read_byte(psb_intel_output,
-					     SDVO_I2C_RETURN_0 + i,
-					     &((u8 *) response)[i]);
-		}
-
-		/* read the return status */
-		psb_intel_sdvo_read_byte(psb_intel_output,
-					 SDVO_I2C_CMD_STATUS,
-					 &status);
-
-		if (0) {
-			pr_debug("%s: R: ", SDVO_NAME(sdvo_priv));
-			for (i = 0; i < response_len; i++)
-				printk(KERN_CONT "%02X ", ((u8 *) response)[i]);
-			for (; i < 8; i++)
-				printk("   ");
-			if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
-				printk(KERN_CONT "(%s)",
-					 cmd_status_names[status]);
-			else
-				printk(KERN_CONT "(??? %d)", status);
-			printk(KERN_CONT "\n");
-		}
-
-		if (status != SDVO_CMD_STATUS_PENDING)
-			return status;
-
-		mdelay(50);
-	}
-
-	return status;
-}
-
-int psb_intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
-{
-	if (mode->clock >= 100000)
-		return 1;
-	else if (mode->clock >= 50000)
-		return 2;
-	else
-		return 4;
-}
-
-/**
- * Don't check status code from this as it switches the bus back to the
- * SDVO chips which defeats the purpose of doing a bus switch in the first
- * place.
- */
-void psb_intel_sdvo_set_control_bus_switch(
-				struct psb_intel_output *psb_intel_output,
-				u8 target)
-{
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
-				 &target,
-				 1);
-}
-
-static bool psb_intel_sdvo_set_target_input(
-				struct psb_intel_output *psb_intel_output,
-				bool target_0, bool target_1)
-{
-	struct psb_intel_sdvo_set_target_input_args targets = { 0 };
-	u8 status;
-
-	if (target_0 && target_1)
-		return SDVO_CMD_STATUS_NOTSUPP;
-
-	if (target_1)
-		targets.target_1 = 1;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_TARGET_INPUT,
-			     &targets, sizeof(targets));
-
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-
-	return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-/**
- * Return whether each input is trained.
- *
- * This function is making an assumption about the layout of the response,
- * which should be checked against the docs.
- */
-static bool psb_intel_sdvo_get_trained_inputs(struct psb_intel_output
-					  *psb_intel_output, bool *input_1,
-					  bool *input_2)
-{
-	struct psb_intel_sdvo_get_trained_inputs_response response;
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_GET_TRAINED_INPUTS,
-			     NULL, 0);
-	status =
-	    psb_intel_sdvo_read_response(psb_intel_output, &response,
-				     sizeof(response));
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	*input_1 = response.input0_trained;
-	*input_2 = response.input1_trained;
-	return true;
-}
-
-static bool psb_intel_sdvo_get_active_outputs(struct psb_intel_output
-					  *psb_intel_output, u16 *outputs)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_GET_ACTIVE_OUTPUTS,
-			     NULL, 0);
-	status =
-	    psb_intel_sdvo_read_response(psb_intel_output, outputs,
-				     sizeof(*outputs));
-
-	return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_set_active_outputs(struct psb_intel_output
-					  *psb_intel_output, u16 outputs)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_ACTIVE_OUTPUTS,
-			     &outputs, sizeof(outputs));
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-	return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_set_encoder_power_state(struct psb_intel_output
-					       *psb_intel_output, int mode)
-{
-	u8 status, state = SDVO_ENCODER_STATE_ON;
-
-	switch (mode) {
-	case DRM_MODE_DPMS_ON:
-		state = SDVO_ENCODER_STATE_ON;
-		break;
-	case DRM_MODE_DPMS_STANDBY:
-		state = SDVO_ENCODER_STATE_STANDBY;
-		break;
-	case DRM_MODE_DPMS_SUSPEND:
-		state = SDVO_ENCODER_STATE_SUSPEND;
-		break;
-	case DRM_MODE_DPMS_OFF:
-		state = SDVO_ENCODER_STATE_OFF;
-		break;
-	}
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-			     SDVO_CMD_SET_ENCODER_POWER_STATE, &state,
-			     sizeof(state));
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-
-	return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_get_input_pixel_clock_range(struct psb_intel_output
-						   *psb_intel_output,
-						   int *clock_min,
-						   int *clock_max)
-{
-	struct psb_intel_sdvo_pixel_clock_range clocks;
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-			     SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE, NULL,
-			     0);
-
-	status =
-	    psb_intel_sdvo_read_response(psb_intel_output, &clocks,
-				     sizeof(clocks));
-
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	/* Convert the values from units of 10 kHz to kHz. */
-	*clock_min = clocks.min * 10;
-	*clock_max = clocks.max * 10;
-
-	return true;
-}
-
-static bool psb_intel_sdvo_set_target_output(
-				struct psb_intel_output *psb_intel_output,
-				u16 outputs)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_TARGET_OUTPUT,
-			     &outputs, sizeof(outputs));
-
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-	return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_get_timing(struct psb_intel_output *psb_intel_output,
-				  u8 cmd, struct psb_intel_sdvo_dtd *dtd)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, cmd, NULL, 0);
-	status = psb_intel_sdvo_read_response(psb_intel_output, &dtd->part1,
-					  sizeof(dtd->part1));
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, cmd + 1, NULL, 0);
-	status = psb_intel_sdvo_read_response(psb_intel_output, &dtd->part2,
-					  sizeof(dtd->part2));
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	return true;
-}
-
-static bool psb_intel_sdvo_get_input_timing(
-				struct psb_intel_output *psb_intel_output,
-				struct psb_intel_sdvo_dtd *dtd)
-{
-	return psb_intel_sdvo_get_timing(psb_intel_output,
-				     SDVO_CMD_GET_INPUT_TIMINGS_PART1,
-				     dtd);
-}
-
-static bool psb_intel_sdvo_set_timing(
-				struct psb_intel_output *psb_intel_output,
-				u8 cmd,
-				struct psb_intel_sdvo_dtd *dtd)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, cmd, &dtd->part1,
-			     sizeof(dtd->part1));
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output, cmd + 1, &dtd->part2,
-			     sizeof(dtd->part2));
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	return true;
-}
-
-static bool psb_intel_sdvo_set_input_timing(
-				struct psb_intel_output *psb_intel_output,
-				struct psb_intel_sdvo_dtd *dtd)
-{
-	return psb_intel_sdvo_set_timing(psb_intel_output,
-				     SDVO_CMD_SET_INPUT_TIMINGS_PART1,
-				     dtd);
-}
-
-static bool psb_intel_sdvo_set_output_timing(
-				struct psb_intel_output *psb_intel_output,
-				struct psb_intel_sdvo_dtd *dtd)
-{
-	return psb_intel_sdvo_set_timing(psb_intel_output,
-				     SDVO_CMD_SET_OUTPUT_TIMINGS_PART1,
-				     dtd);
-}
-
-static int psb_intel_sdvo_get_clock_rate_mult(struct psb_intel_output
-						*psb_intel_output)
-{
-	u8 response, status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_CLOCK_RATE_MULT,
-				 NULL,
-				 0);
-
-	status = psb_intel_sdvo_read_response(psb_intel_output, &response, 1);
-
-	if (status != SDVO_CMD_STATUS_SUCCESS) {
-		DRM_DEBUG("Couldn't get SDVO clock rate multiplier\n");
-		return SDVO_CLOCK_RATE_MULT_1X;
-	} else {
-		DRM_DEBUG("Current clock rate multiplier: %d\n", response);
-	}
-
-	return response;
-}
-
-static bool psb_intel_sdvo_set_clock_rate_mult(struct psb_intel_output
-						*psb_intel_output, u8 val)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				SDVO_CMD_SET_CLOCK_RATE_MULT,
-				&val,
-				1);
-
-	status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	return true;
-}
-
-static bool psb_sdvo_set_current_inoutmap(struct psb_intel_output *output,
-					  u32 in0outputmask,
-					  u32 in1outputmask)
-{
-	u8 byArgs[4];
-	u8 status;
-	int i;
-	struct psb_intel_sdvo_priv *sdvo_priv = output->dev_priv;
-
-	/* Make all fields of the  args/ret to zero */
-	memset(byArgs, 0, sizeof(byArgs));
-
-	/* Fill up the argument values; */
-	byArgs[0] = (u8) (in0outputmask & 0xFF);
-	byArgs[1] = (u8) ((in0outputmask >> 8) & 0xFF);
-	byArgs[2] = (u8) (in1outputmask & 0xFF);
-	byArgs[3] = (u8) ((in1outputmask >> 8) & 0xFF);
-
-
-	/*save inoutmap arg here*/
-	for (i = 0; i < 4; i++)
-		sdvo_priv->in_out_map[i] = byArgs[0];
-
-	psb_intel_sdvo_write_cmd(output, SDVO_CMD_SET_IN_OUT_MAP, byArgs, 4);
-	status = psb_intel_sdvo_read_response(output, NULL, 0);
-
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-	return true;
-}
-
-
-static void psb_intel_sdvo_set_iomap(struct psb_intel_output *output)
-{
-	u32 dwCurrentSDVOIn0 = 0;
-	u32 dwCurrentSDVOIn1 = 0;
-	u32 dwDevMask = 0;
-
-
-	struct psb_intel_sdvo_priv *sdvo_priv = output->dev_priv;
-
-	/* Please DO NOT change the following code. */
-	/* SDVOB_IN0 or SDVOB_IN1 ==> sdvo_in0 */
-	/* SDVOC_IN0 or SDVOC_IN1 ==> sdvo_in1 */
-	if (sdvo_priv->by_input_wiring & (SDVOB_IN0 | SDVOC_IN0)) {
-		switch (sdvo_priv->active_device) {
-		case SDVO_DEVICE_LVDS:
-			dwDevMask = SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1;
-			break;
-		case SDVO_DEVICE_TMDS:
-			dwDevMask = SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1;
-			break;
-		case SDVO_DEVICE_TV:
-			dwDevMask =
-			SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_SVID0 |
-			SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_YPRPB1 |
-			SDVO_OUTPUT_SVID1 | SDVO_OUTPUT_CVBS1 |
-			SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1;
-			break;
-		case SDVO_DEVICE_CRT:
-			dwDevMask = SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1;
-			break;
-		}
-		dwCurrentSDVOIn0 = (sdvo_priv->active_outputs & dwDevMask);
-	} else if (sdvo_priv->by_input_wiring & (SDVOB_IN1 | SDVOC_IN1)) {
-		switch (sdvo_priv->active_device) {
-		case SDVO_DEVICE_LVDS:
-			dwDevMask = SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1;
-			break;
-		case SDVO_DEVICE_TMDS:
-			dwDevMask = SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1;
-			break;
-		case SDVO_DEVICE_TV:
-			dwDevMask =
-			SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_SVID0 |
-			SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_YPRPB1 |
-			SDVO_OUTPUT_SVID1 | SDVO_OUTPUT_CVBS1 |
-			SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1;
-			break;
-		case SDVO_DEVICE_CRT:
-			dwDevMask = SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1;
-			break;
-		}
-		dwCurrentSDVOIn1 = (sdvo_priv->active_outputs & dwDevMask);
-	}
-
-	psb_sdvo_set_current_inoutmap(output, dwCurrentSDVOIn0,
-					  dwCurrentSDVOIn1);
-}
-
-
-static bool psb_intel_sdvo_mode_fixup(struct drm_encoder *encoder,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
-{
-	/* Make the CRTC code factor in the SDVO pixel multiplier.  The SDVO
-	 * device will be told of the multiplier during mode_set.
-	 */
-	adjusted_mode->clock *= psb_intel_sdvo_get_pixel_multiplier(mode);
-	return true;
-}
-
-static void psb_intel_sdvo_mode_set(struct drm_encoder *encoder,
-				struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct drm_crtc *crtc = encoder->crtc;
-	struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-	struct psb_intel_output *psb_intel_output =
-					enc_to_psb_intel_output(encoder);
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	u16 width, height;
-	u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len;
-	u16 h_sync_offset, v_sync_offset;
-	u32 sdvox;
-	struct psb_intel_sdvo_dtd output_dtd;
-	int sdvo_pixel_multiply;
-
-	if (!mode)
-		return;
-
-	psb_intel_sdvo_set_target_output(psb_intel_output, 0);
-
-	width = mode->crtc_hdisplay;
-	height = mode->crtc_vdisplay;
-
-	/* do some mode translations */
-	h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
-	h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
-
-	v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
-	v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
-
-	h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
-	v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
-
-	output_dtd.part1.clock = mode->clock / 10;
-	output_dtd.part1.h_active = width & 0xff;
-	output_dtd.part1.h_blank = h_blank_len & 0xff;
-	output_dtd.part1.h_high = (((width >> 8) & 0xf) << 4) |
-	    ((h_blank_len >> 8) & 0xf);
-	output_dtd.part1.v_active = height & 0xff;
-	output_dtd.part1.v_blank = v_blank_len & 0xff;
-	output_dtd.part1.v_high = (((height >> 8) & 0xf) << 4) |
-	    ((v_blank_len >> 8) & 0xf);
-
-	output_dtd.part2.h_sync_off = h_sync_offset;
-	output_dtd.part2.h_sync_width = h_sync_len & 0xff;
-	output_dtd.part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
-	    (v_sync_len & 0xf);
-	output_dtd.part2.sync_off_width_high =
-	    ((h_sync_offset & 0x300) >> 2) | ((h_sync_len & 0x300) >> 4) |
-	    ((v_sync_offset & 0x30) >> 2) | ((v_sync_len & 0x30) >> 4);
-
-	output_dtd.part2.dtd_flags = 0x18;
-	if (mode->flags & DRM_MODE_FLAG_PHSYNC)
-		output_dtd.part2.dtd_flags |= 0x2;
-	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
-		output_dtd.part2.dtd_flags |= 0x4;
-
-	output_dtd.part2.sdvo_flags = 0;
-	output_dtd.part2.v_sync_off_high = v_sync_offset & 0xc0;
-	output_dtd.part2.reserved = 0;
-
-	/* Set the output timing to the screen */
-	psb_intel_sdvo_set_target_output(psb_intel_output,
-				     sdvo_priv->active_outputs);
-
-	/* Set the input timing to the screen. Assume always input 0. */
-	psb_intel_sdvo_set_target_input(psb_intel_output, true, false);
-
-	psb_intel_sdvo_set_output_timing(psb_intel_output, &output_dtd);
-
-	/* We would like to use i830_sdvo_create_preferred_input_timing() to
-	 * provide the device with a timing it can support, if it supports that
-	 * feature.  However, presumably we would need to adjust the CRTC to
-	 * output the preferred timing, and we don't support that currently.
-	 */
-	psb_intel_sdvo_set_input_timing(psb_intel_output, &output_dtd);
-
-	switch (psb_intel_sdvo_get_pixel_multiplier(mode)) {
-	case 1:
-		psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-					       SDVO_CLOCK_RATE_MULT_1X);
-		break;
-	case 2:
-		psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-					       SDVO_CLOCK_RATE_MULT_2X);
-		break;
-	case 4:
-		psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-					       SDVO_CLOCK_RATE_MULT_4X);
-		break;
-	}
-
-	/* Set the SDVO control regs. */
-	sdvox = REG_READ(sdvo_priv->output_device);
-	switch (sdvo_priv->output_device) {
-	case SDVOB:
-		sdvox &= SDVOB_PRESERVE_MASK;
-		break;
-	case SDVOC:
-		sdvox &= SDVOC_PRESERVE_MASK;
-		break;
-	}
-	sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
-	if (psb_intel_crtc->pipe == 1)
-		sdvox |= SDVO_PIPE_B_SELECT;
-
-	sdvo_pixel_multiply = psb_intel_sdvo_get_pixel_multiplier(mode);
-
-	psb_intel_sdvo_write_sdvox(psb_intel_output, sdvox);
-
-	 psb_intel_sdvo_set_iomap(psb_intel_output);
-}
-
-static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
-{
-	struct drm_device *dev = encoder->dev;
-	struct psb_intel_output *psb_intel_output =
-					enc_to_psb_intel_output(encoder);
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	u32 temp;
-
-	if (mode != DRM_MODE_DPMS_ON) {
-		psb_intel_sdvo_set_active_outputs(psb_intel_output, 0);
-		if (0)
-			psb_intel_sdvo_set_encoder_power_state(
-							psb_intel_output,
-							mode);
-
-		if (mode == DRM_MODE_DPMS_OFF) {
-			temp = REG_READ(sdvo_priv->output_device);
-			if ((temp & SDVO_ENABLE) != 0) {
-				psb_intel_sdvo_write_sdvox(psb_intel_output,
-						       temp &
-						       ~SDVO_ENABLE);
-			}
-		}
-	} else {
-		bool input1, input2;
-		int i;
-		u8 status;
-
-		temp = REG_READ(sdvo_priv->output_device);
-		if ((temp & SDVO_ENABLE) == 0)
-			psb_intel_sdvo_write_sdvox(psb_intel_output,
-					       temp | SDVO_ENABLE);
-		for (i = 0; i < 2; i++)
-			psb_intel_wait_for_vblank(dev);
-
-		status =
-		    psb_intel_sdvo_get_trained_inputs(psb_intel_output,
-							&input1,
-							&input2);
-
-
-		/* Warn if the device reported failure to sync.
-		 * A lot of SDVO devices fail to notify of sync, but it's
-		 * a given it the status is a success, we succeeded.
-		 */
-		if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
-			DRM_DEBUG
-			    ("First %s output reported failure to sync\n",
-			     SDVO_NAME(sdvo_priv));
-		}
-
-		if (0)
-			psb_intel_sdvo_set_encoder_power_state(
-							psb_intel_output,
-							mode);
-		psb_intel_sdvo_set_active_outputs(psb_intel_output,
-					      sdvo_priv->active_outputs);
-	}
-	return;
-}
-
-static void psb_intel_sdvo_save(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	/*int o;*/
-
-	sdvo_priv->save_sdvo_mult =
-	    psb_intel_sdvo_get_clock_rate_mult(psb_intel_output);
-	psb_intel_sdvo_get_active_outputs(psb_intel_output,
-				      &sdvo_priv->save_active_outputs);
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
-		psb_intel_sdvo_set_target_input(psb_intel_output,
-						true,
-						false);
-		psb_intel_sdvo_get_input_timing(psb_intel_output,
-					    &sdvo_priv->save_input_dtd_1);
-	}
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
-		psb_intel_sdvo_set_target_input(psb_intel_output,
-						false,
-						true);
-		psb_intel_sdvo_get_input_timing(psb_intel_output,
-					    &sdvo_priv->save_input_dtd_2);
-	}
-	sdvo_priv->save_SDVOX = REG_READ(sdvo_priv->output_device);
-
-	/*TODO: save the in_out_map state*/
-}
-
-static void psb_intel_sdvo_restore(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-	/*int o;*/
-	int i;
-	bool input1, input2;
-	u8 status;
-
-	psb_intel_sdvo_set_active_outputs(psb_intel_output, 0);
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
-		psb_intel_sdvo_set_target_input(psb_intel_output, true, false);
-		psb_intel_sdvo_set_input_timing(psb_intel_output,
-					    &sdvo_priv->save_input_dtd_1);
-	}
-
-	if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
-		psb_intel_sdvo_set_target_input(psb_intel_output, false, true);
-		psb_intel_sdvo_set_input_timing(psb_intel_output,
-					    &sdvo_priv->save_input_dtd_2);
-	}
-
-	psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-				       sdvo_priv->save_sdvo_mult);
-
-	REG_WRITE(sdvo_priv->output_device, sdvo_priv->save_SDVOX);
-
-	if (sdvo_priv->save_SDVOX & SDVO_ENABLE) {
-		for (i = 0; i < 2; i++)
-			psb_intel_wait_for_vblank(dev);
-		status =
-		    psb_intel_sdvo_get_trained_inputs(psb_intel_output,
-							&input1,
-							&input2);
-		if (status == SDVO_CMD_STATUS_SUCCESS && !input1)
-			DRM_DEBUG
-			    ("First %s output reported failure to sync\n",
-			     SDVO_NAME(sdvo_priv));
-	}
-
-	psb_intel_sdvo_set_active_outputs(psb_intel_output,
-				      sdvo_priv->save_active_outputs);
-
-	/*TODO: restore in_out_map*/
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_SET_IN_OUT_MAP,
-				 sdvo_priv->in_out_map,
-				 4);
-
-	psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-}
-
-static int psb_intel_sdvo_mode_valid(struct drm_connector *connector,
-				 struct drm_display_mode *mode)
-{
-	struct psb_intel_output *psb_intel_output =
-				to_psb_intel_output(connector);
-	struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-		return MODE_NO_DBLESCAN;
-
-	if (sdvo_priv->pixel_clock_min > mode->clock)
-		return MODE_CLOCK_LOW;
-
-	if (sdvo_priv->pixel_clock_max < mode->clock)
-		return MODE_CLOCK_HIGH;
-
-	return MODE_OK;
-}
-
-static bool psb_intel_sdvo_get_capabilities(
-				struct psb_intel_output *psb_intel_output,
-				struct psb_intel_sdvo_caps *caps)
-{
-	u8 status;
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_DEVICE_CAPS,
-				 NULL,
-				 0);
-	status = psb_intel_sdvo_read_response(psb_intel_output,
-						caps,
-						sizeof(*caps));
-	if (status != SDVO_CMD_STATUS_SUCCESS)
-		return false;
-
-	return true;
-}
-
-struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, int sdvoB)
-{
-	struct drm_connector *connector = NULL;
-	struct psb_intel_output *iout = NULL;
-	struct psb_intel_sdvo_priv *sdvo;
-
-	/* find the sdvo connector */
-	list_for_each_entry(connector, &dev->mode_config.connector_list,
-			    head) {
-		iout = to_psb_intel_output(connector);
-
-		if (iout->type != INTEL_OUTPUT_SDVO)
-			continue;
-
-		sdvo = iout->dev_priv;
-
-		if (sdvo->output_device == SDVOB && sdvoB)
-			return connector;
-
-		if (sdvo->output_device == SDVOC && !sdvoB)
-			return connector;
-
-	}
-
-	return NULL;
-}
-
-int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector)
-{
-	u8 response[2];
-	u8 status;
-	struct psb_intel_output *psb_intel_output;
-
-	if (!connector)
-		return 0;
-
-	psb_intel_output = to_psb_intel_output(connector);
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_HOT_PLUG_SUPPORT,
-				 NULL,
-				 0);
-	status = psb_intel_sdvo_read_response(psb_intel_output,
-						&response,
-						2);
-
-	if (response[0] != 0)
-		return 1;
-
-	return 0;
-}
-
-void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
-{
-	u8 response[2];
-	u8 status;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_ACTIVE_HOT_PLUG,
-				 NULL,
-				 0);
-	psb_intel_sdvo_read_response(psb_intel_output, &response, 2);
-
-	if (on) {
-		psb_intel_sdvo_write_cmd(psb_intel_output,
-				     SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL,
-				     0);
-		status = psb_intel_sdvo_read_response(psb_intel_output,
-						      &response,
-						      2);
-
-		psb_intel_sdvo_write_cmd(psb_intel_output,
-				     SDVO_CMD_SET_ACTIVE_HOT_PLUG,
-				     &response, 2);
-	} else {
-		response[0] = 0;
-		response[1] = 0;
-		psb_intel_sdvo_write_cmd(psb_intel_output,
-				     SDVO_CMD_SET_ACTIVE_HOT_PLUG,
-				     &response, 2);
-	}
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_ACTIVE_HOT_PLUG,
-				 NULL,
-				 0);
-	psb_intel_sdvo_read_response(psb_intel_output, &response, 2);
-}
-
-static enum drm_connector_status psb_intel_sdvo_detect(struct drm_connector
-						   *connector, bool force)
-{
-	u8 response[2];
-	u8 status;
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	psb_intel_sdvo_write_cmd(psb_intel_output,
-				 SDVO_CMD_GET_ATTACHED_DISPLAYS,
-				 NULL,
-				 0);
-	status = psb_intel_sdvo_read_response(psb_intel_output, &response, 2);
-
-	DRM_DEBUG("SDVO response %d %d\n", response[0], response[1]);
-	if ((response[0] != 0) || (response[1] != 0))
-		return connector_status_connected;
-	else
-		return connector_status_disconnected;
-}
-
-static int psb_intel_sdvo_get_modes(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-					to_psb_intel_output(connector);
-
-	/* set the bus switch and get the modes */
-	psb_intel_sdvo_set_control_bus_switch(psb_intel_output,
-					  SDVO_CONTROL_BUS_DDC2);
-	psb_intel_ddc_get_modes(psb_intel_output);
-
-	if (list_empty(&connector->probed_modes))
-		return 0;
-	return 1;
-}
-
-static void psb_intel_sdvo_destroy(struct drm_connector *connector)
-{
-	struct psb_intel_output *psb_intel_output =
-				to_psb_intel_output(connector);
-
-	if (psb_intel_output->i2c_bus)
-		psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-	drm_sysfs_connector_remove(connector);
-	drm_connector_cleanup(connector);
-	kfree(psb_intel_output);
-}
-
-static const struct drm_encoder_helper_funcs psb_intel_sdvo_helper_funcs = {
-	.dpms = psb_intel_sdvo_dpms,
-	.mode_fixup = psb_intel_sdvo_mode_fixup,
-	.prepare = psb_intel_encoder_prepare,
-	.mode_set = psb_intel_sdvo_mode_set,
-	.commit = psb_intel_encoder_commit,
-};
-
-static const struct drm_connector_funcs psb_intel_sdvo_connector_funcs = {
-	.dpms = drm_helper_connector_dpms,
-	.save = psb_intel_sdvo_save,
-	.restore = psb_intel_sdvo_restore,
-	.detect = psb_intel_sdvo_detect,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = psb_intel_sdvo_destroy,
-};
-
-static const struct drm_connector_helper_funcs
-				psb_intel_sdvo_connector_helper_funcs = {
-	.get_modes = psb_intel_sdvo_get_modes,
-	.mode_valid = psb_intel_sdvo_mode_valid,
-	.best_encoder = psb_intel_best_encoder,
-};
-
-void psb_intel_sdvo_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = {
-	.destroy = psb_intel_sdvo_enc_destroy,
-};
-
-
-void psb_intel_sdvo_init(struct drm_device *dev, int output_device)
-{
-	struct drm_connector *connector;
-	struct psb_intel_output *psb_intel_output;
-	struct psb_intel_sdvo_priv *sdvo_priv;
-	struct psb_intel_i2c_chan *i2cbus = NULL;
-	int connector_type;
-	u8 ch[0x40];
-	int i;
-	int encoder_type, output_id;
-
-	psb_intel_output =
-	    kcalloc(sizeof(struct psb_intel_output) +
-		    sizeof(struct psb_intel_sdvo_priv), 1, GFP_KERNEL);
-	if (!psb_intel_output)
-		return;
-
-	connector = &psb_intel_output->base;
-
-	drm_connector_init(dev, connector, &psb_intel_sdvo_connector_funcs,
-			   DRM_MODE_CONNECTOR_Unknown);
-	drm_connector_helper_add(connector,
-				 &psb_intel_sdvo_connector_helper_funcs);
-	sdvo_priv = (struct psb_intel_sdvo_priv *) (psb_intel_output + 1);
-	psb_intel_output->type = INTEL_OUTPUT_SDVO;
-
-	connector->interlace_allowed = 0;
-	connector->doublescan_allowed = 0;
-
-	/* setup the DDC bus. */
-	if (output_device == SDVOB)
-		i2cbus =
-		    psb_intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
-	else
-		i2cbus =
-		    psb_intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
-
-	if (!i2cbus)
-		goto err_connector;
-
-	sdvo_priv->i2c_bus = i2cbus;
-
-	if (output_device == SDVOB) {
-		output_id = 1;
-		sdvo_priv->by_input_wiring = SDVOB_IN0;
-		sdvo_priv->i2c_bus->slave_addr = 0x38;
-	} else {
-		output_id = 2;
-		sdvo_priv->i2c_bus->slave_addr = 0x39;
-	}
-
-	sdvo_priv->output_device = output_device;
-	psb_intel_output->i2c_bus = i2cbus;
-	psb_intel_output->dev_priv = sdvo_priv;
-
-
-	/* Read the regs to test if we can talk to the device */
-	for (i = 0; i < 0x40; i++) {
-		if (!psb_intel_sdvo_read_byte(psb_intel_output, i, &ch[i])) {
-			dev_dbg(dev->dev, "No SDVO device found on SDVO%c\n",
-				  output_device == SDVOB ? 'B' : 'C');
-			goto err_i2c;
-		}
-	}
-
-	psb_intel_sdvo_get_capabilities(psb_intel_output, &sdvo_priv->caps);
-
-	memset(&sdvo_priv->active_outputs, 0,
-	       sizeof(sdvo_priv->active_outputs));
-
-	/* TODO, CVBS, SVID, YPRPB & SCART outputs. */
-	if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0) {
-		sdvo_priv->active_outputs = SDVO_OUTPUT_RGB0;
-		sdvo_priv->active_device = SDVO_DEVICE_CRT;
-		connector->display_info.subpixel_order =
-		    SubPixelHorizontalRGB;
-		encoder_type = DRM_MODE_ENCODER_DAC;
-		connector_type = DRM_MODE_CONNECTOR_VGA;
-	} else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1) {
-		sdvo_priv->active_outputs = SDVO_OUTPUT_RGB1;
-		sdvo_priv->active_outputs = SDVO_DEVICE_CRT;
-		connector->display_info.subpixel_order =
-		    SubPixelHorizontalRGB;
-		encoder_type = DRM_MODE_ENCODER_DAC;
-		connector_type = DRM_MODE_CONNECTOR_VGA;
-	} else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0) {
-		sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS0;
-		sdvo_priv->active_device = SDVO_DEVICE_TMDS;
-		connector->display_info.subpixel_order =
-		    SubPixelHorizontalRGB;
-		encoder_type = DRM_MODE_ENCODER_TMDS;
-		connector_type = DRM_MODE_CONNECTOR_DVID;
-	} else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS1) {
-		sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS1;
-		sdvo_priv->active_device = SDVO_DEVICE_TMDS;
-		connector->display_info.subpixel_order =
-		    SubPixelHorizontalRGB;
-		encoder_type = DRM_MODE_ENCODER_TMDS;
-		connector_type = DRM_MODE_CONNECTOR_DVID;
-	} else {
-		unsigned char bytes[2];
-
-		memcpy(bytes, &sdvo_priv->caps.output_flags, 2);
-		dev_dbg(dev->dev, "%s: No active RGB or TMDS outputs (0x%02x%02x)\n",
-		     SDVO_NAME(sdvo_priv), bytes[0], bytes[1]);
-		goto err_i2c;
-	}
-
-	drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_sdvo_enc_funcs,
-			 encoder_type);
-	drm_encoder_helper_add(&psb_intel_output->enc,
-			       &psb_intel_sdvo_helper_funcs);
-	connector->connector_type = connector_type;
-
-	drm_mode_connector_attach_encoder(&psb_intel_output->base,
-					  &psb_intel_output->enc);
-	drm_sysfs_connector_add(connector);
-
-	/* Set the input timing to the screen. Assume always input 0. */
-	psb_intel_sdvo_set_target_input(psb_intel_output, true, false);
-
-	psb_intel_sdvo_get_input_pixel_clock_range(psb_intel_output,
-					       &sdvo_priv->pixel_clock_min,
-					       &sdvo_priv->
-					       pixel_clock_max);
-
-
-	dev_dbg(dev->dev, "%s device VID/DID: %02X:%02X.%02X, "
-		  "clock range %dMHz - %dMHz, "
-		  "input 1: %c, input 2: %c, "
-		  "output 1: %c, output 2: %c\n",
-		  SDVO_NAME(sdvo_priv),
-		  sdvo_priv->caps.vendor_id, sdvo_priv->caps.device_id,
-		  sdvo_priv->caps.device_rev_id,
-		  sdvo_priv->pixel_clock_min / 1000,
-		  sdvo_priv->pixel_clock_max / 1000,
-		  (sdvo_priv->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
-		  (sdvo_priv->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
-		  /* check currently supported outputs */
-		  sdvo_priv->caps.output_flags &
-		  (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
-		  sdvo_priv->caps.output_flags &
-		  (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
-
-	psb_intel_output->ddc_bus = i2cbus;
-
-	return;
-
-err_i2c:
-	psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-err_connector:
-	drm_connector_cleanup(connector);
-	kfree(psb_intel_output);
-
-	return;
-}
diff --git a/drivers/staging/gma500/psb_intel_sdvo_regs.h b/drivers/staging/gma500/psb_intel_sdvo_regs.h
deleted file mode 100644
index 96862ea65aba..000000000000
--- a/drivers/staging/gma500/psb_intel_sdvo_regs.h
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * SDVO command definitions and structures.
- *
- * Copyright (c) 2008, Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *	Eric Anholt <eric@anholt.net>
- */
-
-#define SDVO_OUTPUT_FIRST   (0)
-#define SDVO_OUTPUT_TMDS0   (1 << 0)
-#define SDVO_OUTPUT_RGB0    (1 << 1)
-#define SDVO_OUTPUT_CVBS0   (1 << 2)
-#define SDVO_OUTPUT_SVID0   (1 << 3)
-#define SDVO_OUTPUT_YPRPB0  (1 << 4)
-#define SDVO_OUTPUT_SCART0  (1 << 5)
-#define SDVO_OUTPUT_LVDS0   (1 << 6)
-#define SDVO_OUTPUT_TMDS1   (1 << 8)
-#define SDVO_OUTPUT_RGB1    (1 << 9)
-#define SDVO_OUTPUT_CVBS1   (1 << 10)
-#define SDVO_OUTPUT_SVID1   (1 << 11)
-#define SDVO_OUTPUT_YPRPB1  (1 << 12)
-#define SDVO_OUTPUT_SCART1  (1 << 13)
-#define SDVO_OUTPUT_LVDS1   (1 << 14)
-#define SDVO_OUTPUT_LAST    (14)
-
-struct psb_intel_sdvo_caps {
-	u8 vendor_id;
-	u8 device_id;
-	u8 device_rev_id;
-	u8 sdvo_version_major;
-	u8 sdvo_version_minor;
-	unsigned int sdvo_inputs_mask:2;
-	unsigned int smooth_scaling:1;
-	unsigned int sharp_scaling:1;
-	unsigned int up_scaling:1;
-	unsigned int down_scaling:1;
-	unsigned int stall_support:1;
-	unsigned int pad:1;
-	u16 output_flags;
-} __packed;
-
-/** This matches the EDID DTD structure, more or less */
-struct psb_intel_sdvo_dtd {
-	struct {
-		u16 clock;	/**< pixel clock, in 10kHz units */
-		u8 h_active;	/**< lower 8 bits (pixels) */
-		u8 h_blank;	/**< lower 8 bits (pixels) */
-		u8 h_high;	/**< upper 4 bits each h_active, h_blank */
-		u8 v_active;	/**< lower 8 bits (lines) */
-		u8 v_blank;	/**< lower 8 bits (lines) */
-		u8 v_high;	/**< upper 4 bits each v_active, v_blank */
-	} part1;
-
-	struct {
-		u8 h_sync_off;
-			/**< lower 8 bits, from hblank start */
-		u8 h_sync_width;/**< lower 8 bits (pixels) */
-	/** lower 4 bits each vsync offset, vsync width */
-		u8 v_sync_off_width;
-	/**
-	 * 2 high bits of hsync offset, 2 high bits of hsync width,
-	 * bits 4-5 of vsync offset, and 2 high bits of vsync width.
-	 */
-		u8 sync_off_width_high;
-		u8 dtd_flags;
-		u8 sdvo_flags;
-	/** bits 6-7 of vsync offset at bits 6-7 */
-		u8 v_sync_off_high;
-		u8 reserved;
-	} part2;
-} __packed;
-
-struct psb_intel_sdvo_pixel_clock_range {
-	u16 min;		/**< pixel clock, in 10kHz units */
-	u16 max;		/**< pixel clock, in 10kHz units */
-} __packed;
-
-struct psb_intel_sdvo_preferred_input_timing_args {
-	u16 clock;
-	u16 width;
-	u16 height;
-} __packed;
-
-/* I2C registers for SDVO */
-#define SDVO_I2C_ARG_0				0x07
-#define SDVO_I2C_ARG_1				0x06
-#define SDVO_I2C_ARG_2				0x05
-#define SDVO_I2C_ARG_3				0x04
-#define SDVO_I2C_ARG_4				0x03
-#define SDVO_I2C_ARG_5				0x02
-#define SDVO_I2C_ARG_6				0x01
-#define SDVO_I2C_ARG_7				0x00
-#define SDVO_I2C_OPCODE				0x08
-#define SDVO_I2C_CMD_STATUS			0x09
-#define SDVO_I2C_RETURN_0			0x0a
-#define SDVO_I2C_RETURN_1			0x0b
-#define SDVO_I2C_RETURN_2			0x0c
-#define SDVO_I2C_RETURN_3			0x0d
-#define SDVO_I2C_RETURN_4			0x0e
-#define SDVO_I2C_RETURN_5			0x0f
-#define SDVO_I2C_RETURN_6			0x10
-#define SDVO_I2C_RETURN_7			0x11
-#define SDVO_I2C_VENDOR_BEGIN			0x20
-
-/* Status results */
-#define SDVO_CMD_STATUS_POWER_ON		0x0
-#define SDVO_CMD_STATUS_SUCCESS			0x1
-#define SDVO_CMD_STATUS_NOTSUPP			0x2
-#define SDVO_CMD_STATUS_INVALID_ARG		0x3
-#define SDVO_CMD_STATUS_PENDING			0x4
-#define SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED	0x5
-#define SDVO_CMD_STATUS_SCALING_NOT_SUPP	0x6
-
-/* SDVO commands, argument/result registers */
-
-#define SDVO_CMD_RESET					0x01
-
-/** Returns a struct psb_intel_sdvo_caps */
-#define SDVO_CMD_GET_DEVICE_CAPS			0x02
-
-#define SDVO_CMD_GET_FIRMWARE_REV			0x86
-# define SDVO_DEVICE_FIRMWARE_MINOR			SDVO_I2C_RETURN_0
-# define SDVO_DEVICE_FIRMWARE_MAJOR			SDVO_I2C_RETURN_1
-# define SDVO_DEVICE_FIRMWARE_PATCH			SDVO_I2C_RETURN_2
-
-/**
- * Reports which inputs are trained (managed to sync).
- *
- * Devices must have trained within 2 vsyncs of a mode change.
- */
-#define SDVO_CMD_GET_TRAINED_INPUTS			0x03
-struct psb_intel_sdvo_get_trained_inputs_response {
-	unsigned int input0_trained:1;
-	unsigned int input1_trained:1;
-	unsigned int pad:6;
-} __packed;
-
-/** Returns a struct psb_intel_sdvo_output_flags of active outputs. */
-#define SDVO_CMD_GET_ACTIVE_OUTPUTS			0x04
-
-/**
- * Sets the current set of active outputs.
- *
- * Takes a struct psb_intel_sdvo_output_flags.
- * Must be preceded by a SET_IN_OUT_MAP
- * on multi-output devices.
- */
-#define SDVO_CMD_SET_ACTIVE_OUTPUTS			0x05
-
-/**
- * Returns the current mapping of SDVO inputs to outputs on the device.
- *
- * Returns two struct psb_intel_sdvo_output_flags structures.
- */
-#define SDVO_CMD_GET_IN_OUT_MAP				0x06
-
-/**
- * Sets the current mapping of SDVO inputs to outputs on the device.
- *
- * Takes two struct i380_sdvo_output_flags structures.
- */
-#define SDVO_CMD_SET_IN_OUT_MAP				0x07
-
-/**
- * Returns a struct psb_intel_sdvo_output_flags of attached displays.
- */
-#define SDVO_CMD_GET_ATTACHED_DISPLAYS			0x0b
-
-/**
- * Returns a struct psb_intel_sdvo_ouptut_flags of displays supporting hot plugging.
- */
-#define SDVO_CMD_GET_HOT_PLUG_SUPPORT			0x0c
-
-/**
- * Takes a struct psb_intel_sdvo_output_flags.
- */
-#define SDVO_CMD_SET_ACTIVE_HOT_PLUG			0x0d
-
-/**
- * Returns a struct psb_intel_sdvo_output_flags of displays with hot plug
- * interrupts enabled.
- */
-#define SDVO_CMD_GET_ACTIVE_HOT_PLUG			0x0e
-
-#define SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE		0x0f
-struct psb_intel_sdvo_get_interrupt_event_source_response {
-	u16 interrupt_status;
-	unsigned int ambient_light_interrupt:1;
-	unsigned int pad:7;
-} __packed;
-
-/**
- * Selects which input is affected by future input commands.
- *
- * Commands affected include SET_INPUT_TIMINGS_PART[12],
- * GET_INPUT_TIMINGS_PART[12], GET_PREFERRED_INPUT_TIMINGS_PART[12],
- * GET_INPUT_PIXEL_CLOCK_RANGE, and CREATE_PREFERRED_INPUT_TIMINGS.
- */
-#define SDVO_CMD_SET_TARGET_INPUT			0x10
-struct psb_intel_sdvo_set_target_input_args {
-	unsigned int target_1:1;
-	unsigned int pad:7;
-} __packed;
-
-/**
- * Takes a struct psb_intel_sdvo_output_flags of which outputs are targeted by
- * future output commands.
- *
- * Affected commands inclue SET_OUTPUT_TIMINGS_PART[12],
- * GET_OUTPUT_TIMINGS_PART[12], and GET_OUTPUT_PIXEL_CLOCK_RANGE.
- */
-#define SDVO_CMD_SET_TARGET_OUTPUT			0x11
-
-#define SDVO_CMD_GET_INPUT_TIMINGS_PART1		0x12
-#define SDVO_CMD_GET_INPUT_TIMINGS_PART2		0x13
-#define SDVO_CMD_SET_INPUT_TIMINGS_PART1		0x14
-#define SDVO_CMD_SET_INPUT_TIMINGS_PART2		0x15
-#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART1		0x16
-#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART2		0x17
-#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART1		0x18
-#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART2		0x19
-/* Part 1 */
-# define SDVO_DTD_CLOCK_LOW				SDVO_I2C_ARG_0
-# define SDVO_DTD_CLOCK_HIGH				SDVO_I2C_ARG_1
-# define SDVO_DTD_H_ACTIVE				SDVO_I2C_ARG_2
-# define SDVO_DTD_H_BLANK				SDVO_I2C_ARG_3
-# define SDVO_DTD_H_HIGH				SDVO_I2C_ARG_4
-# define SDVO_DTD_V_ACTIVE				SDVO_I2C_ARG_5
-# define SDVO_DTD_V_BLANK				SDVO_I2C_ARG_6
-# define SDVO_DTD_V_HIGH				SDVO_I2C_ARG_7
-/* Part 2 */
-# define SDVO_DTD_HSYNC_OFF				SDVO_I2C_ARG_0
-# define SDVO_DTD_HSYNC_WIDTH				SDVO_I2C_ARG_1
-# define SDVO_DTD_VSYNC_OFF_WIDTH			SDVO_I2C_ARG_2
-# define SDVO_DTD_SYNC_OFF_WIDTH_HIGH			SDVO_I2C_ARG_3
-# define SDVO_DTD_DTD_FLAGS				SDVO_I2C_ARG_4
-# define SDVO_DTD_DTD_FLAG_INTERLACED				(1 << 7)
-# define SDVO_DTD_DTD_FLAG_STEREO_MASK				(3 << 5)
-# define SDVO_DTD_DTD_FLAG_INPUT_MASK				(3 << 3)
-# define SDVO_DTD_DTD_FLAG_SYNC_MASK				(3 << 1)
-# define SDVO_DTD_SDVO_FLAS				SDVO_I2C_ARG_5
-# define SDVO_DTD_SDVO_FLAG_STALL				(1 << 7)
-# define SDVO_DTD_SDVO_FLAG_CENTERED				(0 << 6)
-# define SDVO_DTD_SDVO_FLAG_UPPER_LEFT				(1 << 6)
-# define SDVO_DTD_SDVO_FLAG_SCALING_MASK			(3 << 4)
-# define SDVO_DTD_SDVO_FLAG_SCALING_NONE			(0 << 4)
-# define SDVO_DTD_SDVO_FLAG_SCALING_SHARP			(1 << 4)
-# define SDVO_DTD_SDVO_FLAG_SCALING_SMOOTH			(2 << 4)
-# define SDVO_DTD_VSYNC_OFF_HIGH			SDVO_I2C_ARG_6
-
-/**
- * Generates a DTD based on the given width, height, and flags.
- *
- * This will be supported by any device supporting scaling or interlaced
- * modes.
- */
-#define SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING		0x1a
-# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_LOW		SDVO_I2C_ARG_0
-# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_HIGH		SDVO_I2C_ARG_1
-# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_LOW		SDVO_I2C_ARG_2
-# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_HIGH		SDVO_I2C_ARG_3
-# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_LOW		SDVO_I2C_ARG_4
-# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_HIGH	SDVO_I2C_ARG_5
-# define SDVO_PREFERRED_INPUT_TIMING_FLAGS		SDVO_I2C_ARG_6
-# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_INTERLACED		(1 << 0)
-# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_SCALED		(1 << 1)
-
-#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1	0x1b
-#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2	0x1c
-
-/** Returns a struct psb_intel_sdvo_pixel_clock_range */
-#define SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE		0x1d
-/** Returns a struct psb_intel_sdvo_pixel_clock_range */
-#define SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE		0x1e
-
-/** Returns a byte bitfield containing SDVO_CLOCK_RATE_MULT_* flags */
-#define SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS		0x1f
-
-/** Returns a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
-#define SDVO_CMD_GET_CLOCK_RATE_MULT			0x20
-/** Takes a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
-#define SDVO_CMD_SET_CLOCK_RATE_MULT			0x21
-# define SDVO_CLOCK_RATE_MULT_1X				(1 << 0)
-# define SDVO_CLOCK_RATE_MULT_2X				(1 << 1)
-# define SDVO_CLOCK_RATE_MULT_4X				(1 << 3)
-
-#define SDVO_CMD_GET_SUPPORTED_TV_FORMATS		0x27
-
-#define SDVO_CMD_GET_TV_FORMAT				0x28
-
-#define SDVO_CMD_SET_TV_FORMAT				0x29
-
-#define SDVO_CMD_GET_SUPPORTED_POWER_STATES		0x2a
-#define SDVO_CMD_GET_ENCODER_POWER_STATE		0x2b
-#define SDVO_CMD_SET_ENCODER_POWER_STATE		0x2c
-# define SDVO_ENCODER_STATE_ON					(1 << 0)
-# define SDVO_ENCODER_STATE_STANDBY				(1 << 1)
-# define SDVO_ENCODER_STATE_SUSPEND				(1 << 2)
-# define SDVO_ENCODER_STATE_OFF					(1 << 3)
-
-#define SDVO_CMD_SET_TV_RESOLUTION_SUPPORT		0x93
-
-#define SDVO_CMD_SET_CONTROL_BUS_SWITCH			0x7a
-# define SDVO_CONTROL_BUS_PROM				0x0
-# define SDVO_CONTROL_BUS_DDC1				0x1
-# define SDVO_CONTROL_BUS_DDC2				0x2
-# define SDVO_CONTROL_BUS_DDC3				0x3
-
-/* SDVO Bus & SDVO Inputs wiring details*/
-/* Bit 0: Is SDVOB connected to In0 (1 = yes, 0 = no*/
-/* Bit 1: Is SDVOB connected to In1 (1 = yes, 0 = no*/
-/* Bit 2: Is SDVOC connected to In0 (1 = yes, 0 = no*/
-/* Bit 3: Is SDVOC connected to In1 (1 = yes, 0 = no*/
-#define SDVOB_IN0 0x01
-#define SDVOB_IN1 0x02
-#define SDVOC_IN0 0x04
-#define SDVOC_IN1 0x08
-
-#define SDVO_DEVICE_NONE 0x00
-#define        SDVO_DEVICE_CRT 0x01
-#define        SDVO_DEVICE_TV 0x02
-#define        SDVO_DEVICE_LVDS 0x04
-#define        SDVO_DEVICE_TMDS 0x08
-
diff --git a/drivers/staging/gma500/psb_irq.c b/drivers/staging/gma500/psb_irq.c
deleted file mode 100644
index 36dd63044b06..000000000000
--- a/drivers/staging/gma500/psb_irq.c
+++ /dev/null
@@ -1,627 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- * develop this driver.
- *
- **************************************************************************/
-/*
- */
-
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include "mdfld_output.h"
-
-/*
- * inline functions
- */
-
-static inline u32
-psb_pipestat(int pipe)
-{
-	if (pipe == 0)
-		return PIPEASTAT;
-	if (pipe == 1)
-		return PIPEBSTAT;
-	if (pipe == 2)
-		return PIPECSTAT;
-	BUG();
-}
-
-static inline u32
-mid_pipe_event(int pipe)
-{
-	if (pipe == 0)
-		return _PSB_PIPEA_EVENT_FLAG;
-	if (pipe == 1)
-		return _MDFLD_PIPEB_EVENT_FLAG;
-	if (pipe == 2)
-		return _MDFLD_PIPEC_EVENT_FLAG;
-	BUG();
-}
-
-static inline u32
-mid_pipe_vsync(int pipe)
-{
-	if (pipe == 0)
-		return _PSB_VSYNC_PIPEA_FLAG;
-	if (pipe == 1)
-		return _PSB_VSYNC_PIPEB_FLAG;
-	if (pipe == 2)
-		return _MDFLD_PIPEC_VBLANK_FLAG;
-	BUG();
-}
-
-static inline u32
-mid_pipeconf(int pipe)
-{
-	if (pipe == 0)
-		return PIPEACONF;
-	if (pipe == 1)
-		return PIPEBCONF;
-	if (pipe == 2)
-		return PIPECCONF;
-	BUG();
-}
-
-void
-psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask)
-{
-	if ((dev_priv->pipestat[pipe] & mask) != mask) {
-		u32 reg = psb_pipestat(pipe);
-		dev_priv->pipestat[pipe] |= mask;
-		/* Enable the interrupt, clear any pending status */
-		if (gma_power_begin(dev_priv->dev, false)) {
-			u32 writeVal = PSB_RVDC32(reg);
-			writeVal |= (mask | (mask >> 16));
-			PSB_WVDC32(writeVal, reg);
-			(void) PSB_RVDC32(reg);
-			gma_power_end(dev_priv->dev);
-		}
-	}
-}
-
-void
-psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask)
-{
-	if ((dev_priv->pipestat[pipe] & mask) != 0) {
-		u32 reg = psb_pipestat(pipe);
-		dev_priv->pipestat[pipe] &= ~mask;
-		if (gma_power_begin(dev_priv->dev, false)) {
-			u32 writeVal = PSB_RVDC32(reg);
-			writeVal &= ~mask;
-			PSB_WVDC32(writeVal, reg);
-			(void) PSB_RVDC32(reg);
-			gma_power_end(dev_priv->dev);
-		}
-	}
-}
-
-void mid_enable_pipe_event(struct drm_psb_private *dev_priv, int pipe)
-{
-	if (gma_power_begin(dev_priv->dev, false)) {
-		u32 pipe_event = mid_pipe_event(pipe);
-		dev_priv->vdc_irq_mask |= pipe_event;
-		PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-		PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-		gma_power_end(dev_priv->dev);
-	}
-}
-
-void mid_disable_pipe_event(struct drm_psb_private *dev_priv, int pipe)
-{
-	if (dev_priv->pipestat[pipe] == 0) {
-		if (gma_power_begin(dev_priv->dev, false)) {
-			u32 pipe_event = mid_pipe_event(pipe);
-			dev_priv->vdc_irq_mask &= ~pipe_event;
-			PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-			PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-			gma_power_end(dev_priv->dev);
-		}
-	}
-}
-
-/**
- * Display controller interrupt handler for pipe event.
- *
- */
-static void mid_pipe_event_handler(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-
-	uint32_t pipe_stat_val = 0;
-	uint32_t pipe_stat_reg = psb_pipestat(pipe);
-	uint32_t pipe_enable = dev_priv->pipestat[pipe];
-	uint32_t pipe_status = dev_priv->pipestat[pipe] >> 16;
-	uint32_t pipe_clear;
-	uint32_t i = 0;
-
-	spin_lock(&dev_priv->irqmask_lock);
-
-	pipe_stat_val = PSB_RVDC32(pipe_stat_reg);
-	pipe_stat_val &= pipe_enable | pipe_status;
-	pipe_stat_val &= pipe_stat_val >> 16;
-
-	spin_unlock(&dev_priv->irqmask_lock);
-
-	/* Clear the 2nd level interrupt status bits
-	 * Sometimes the bits are very sticky so we repeat until they unstick */
-	for (i = 0; i < 0xffff; i++) {
-		PSB_WVDC32(PSB_RVDC32(pipe_stat_reg), pipe_stat_reg);
-		pipe_clear = PSB_RVDC32(pipe_stat_reg) & pipe_status;
-
-		if (pipe_clear == 0)
-			break;
-	}
-
-	if (pipe_clear)
-		dev_err(dev->dev,
-		"%s, can't clear status bits for pipe %d, its value = 0x%x.\n",
-		__func__, pipe, PSB_RVDC32(pipe_stat_reg));
-
-	if (pipe_stat_val & PIPE_VBLANK_STATUS)
-		drm_handle_vblank(dev, pipe);
-
-	if (pipe_stat_val & PIPE_TE_STATUS)
-		drm_handle_vblank(dev, pipe);
-}
-
-/*
- * Display controller interrupt handler.
- */
-static void psb_vdc_interrupt(struct drm_device *dev, uint32_t vdc_stat)
-{
-	if (vdc_stat & _PSB_VSYNC_PIPEA_FLAG)
-		mid_pipe_event_handler(dev, 0);
-
-	if (vdc_stat & _PSB_VSYNC_PIPEB_FLAG)
-		mid_pipe_event_handler(dev, 1);
-}
-
-irqreturn_t psb_irq_handler(DRM_IRQ_ARGS)
-{
-	struct drm_device *dev = (struct drm_device *) arg;
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-
-	uint32_t vdc_stat, dsp_int = 0, sgx_int = 0;
-	int handled = 0;
-
-	spin_lock(&dev_priv->irqmask_lock);
-
-	vdc_stat = PSB_RVDC32(PSB_INT_IDENTITY_R);
-
-	if (vdc_stat & _PSB_PIPE_EVENT_FLAG)
-		dsp_int = 1;
-
-	/* FIXME: Handle Medfield
-	if (vdc_stat & _MDFLD_DISP_ALL_IRQ_FLAG)
-		dsp_int = 1;
-	*/
-
-	if (vdc_stat & _PSB_IRQ_SGX_FLAG)
-		sgx_int = 1;
-
-	vdc_stat &= dev_priv->vdc_irq_mask;
-	spin_unlock(&dev_priv->irqmask_lock);
-
-	if (dsp_int && gma_power_is_on(dev)) {
-		psb_vdc_interrupt(dev, vdc_stat);
-		handled = 1;
-	}
-
-	if (sgx_int) {
-		/* Not expected - we have it masked, shut it up */
-		u32 s, s2;
-		s = PSB_RSGX32(PSB_CR_EVENT_STATUS);
-		s2 = PSB_RSGX32(PSB_CR_EVENT_STATUS2);
-		PSB_WSGX32(s, PSB_CR_EVENT_HOST_CLEAR);
-		PSB_WSGX32(s2, PSB_CR_EVENT_HOST_CLEAR2);
-		/* if s & _PSB_CE_TWOD_COMPLETE we have 2D done but
-		   we may as well poll even if we add that ! */
-		handled = 1;
-	}
-
-	PSB_WVDC32(vdc_stat, PSB_INT_IDENTITY_R);
-	(void) PSB_RVDC32(PSB_INT_IDENTITY_R);
-	DRM_READMEMORYBARRIER();
-
-	if (!handled)
-		return IRQ_NONE;
-
-	return IRQ_HANDLED;
-}
-
-void psb_irq_preinstall(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	if (gma_power_is_on(dev))
-		PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-	if (dev->vblank_enabled[0])
-		dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG;
-	if (dev->vblank_enabled[1])
-		dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG;
-
-	/* FIXME: Handle Medfield irq mask
-	if (dev->vblank_enabled[1])
-		dev_priv->vdc_irq_mask |= _MDFLD_PIPEB_EVENT_FLAG;
-	if (dev->vblank_enabled[2])
-		dev_priv->vdc_irq_mask |= _MDFLD_PIPEC_EVENT_FLAG;
-	*/
-
-	/* This register is safe even if display island is off */
-	PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
-int psb_irq_postinstall(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	/* This register is safe even if display island is off */
-	PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-	PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-
-	if (dev->vblank_enabled[0])
-		psb_enable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
-	else
-		psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	if (dev->vblank_enabled[1])
-		psb_enable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
-	else
-		psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	if (dev->vblank_enabled[2])
-		psb_enable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
-	else
-		psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-	return 0;
-}
-
-void psb_irq_uninstall(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-
-	if (dev->vblank_enabled[0])
-		psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	if (dev->vblank_enabled[1])
-		psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	if (dev->vblank_enabled[2])
-		psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	dev_priv->vdc_irq_mask &= _PSB_IRQ_SGX_FLAG |
-				  _PSB_IRQ_MSVDX_FLAG |
-				  _LNC_IRQ_TOPAZ_FLAG;
-
-	/* These two registers are safe even if display island is off */
-	PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-	PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-
-	wmb();
-
-	/* This register is safe even if display island is off */
-	PSB_WVDC32(PSB_RVDC32(PSB_INT_IDENTITY_R), PSB_INT_IDENTITY_R);
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
-void psb_irq_turn_on_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-		(struct drm_psb_private *) dev->dev_private;
-	u32 hist_reg;
-	u32 pwm_reg;
-
-	if (gma_power_begin(dev, false)) {
-		PSB_WVDC32(1 << 31, HISTOGRAM_LOGIC_CONTROL);
-		hist_reg = PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
-		PSB_WVDC32(1 << 31, HISTOGRAM_INT_CONTROL);
-		hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-
-		PSB_WVDC32(0x80010100, PWM_CONTROL_LOGIC);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-		PSB_WVDC32(pwm_reg | PWM_PHASEIN_ENABLE
-						| PWM_PHASEIN_INT_ENABLE,
-							   PWM_CONTROL_LOGIC);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-		psb_enable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
-
-		hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-		PSB_WVDC32(hist_reg | HISTOGRAM_INT_CTRL_CLEAR,
-							HISTOGRAM_INT_CONTROL);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-		PSB_WVDC32(pwm_reg | 0x80010100 | PWM_PHASEIN_ENABLE,
-							PWM_CONTROL_LOGIC);
-
-		gma_power_end(dev);
-	}
-}
-
-int psb_irq_enable_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-		(struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	/* enable DPST */
-	mid_enable_pipe_event(dev_priv, 0);
-	psb_irq_turn_on_dpst(dev);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-	return 0;
-}
-
-void psb_irq_turn_off_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	u32 hist_reg;
-	u32 pwm_reg;
-
-	if (gma_power_begin(dev, false)) {
-		PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
-		hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-
-		psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
-
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-		PSB_WVDC32(pwm_reg & !(PWM_PHASEIN_INT_ENABLE),
-							PWM_CONTROL_LOGIC);
-		pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-		gma_power_end(dev);
-	}
-}
-
-int psb_irq_disable_dpst(struct drm_device *dev)
-{
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	unsigned long irqflags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	mid_disable_pipe_event(dev_priv, 0);
-	psb_irq_turn_off_dpst(dev);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-
-	return 0;
-}
-
-#ifdef PSB_FIXME
-static int psb_vblank_do_wait(struct drm_device *dev,
-			      unsigned int *sequence, atomic_t *counter)
-{
-	unsigned int cur_vblank;
-	int ret = 0;
-	DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
-		    (((cur_vblank = atomic_read(counter))
-		      - *sequence) <= (1 << 23)));
-	*sequence = cur_vblank;
-
-	return ret;
-}
-#endif
-
-/*
- * It is used to enable VBLANK interrupt
- */
-int psb_enable_vblank(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long irqflags;
-	uint32_t reg_val = 0;
-	uint32_t pipeconf_reg = mid_pipeconf(pipe);
-
-#if defined(CONFIG_DRM_PSB_MFLD)
-	/* Medfield is different - we should perhaps extract out vblank
-	   and blacklight etc ops */
-	if (IS_MFLD(dev) && !mdfld_panel_dpi(dev))
-		return mdfld_enable_te(dev, pipe);
-#endif
-	if (gma_power_begin(dev, false)) {
-		reg_val = REG_READ(pipeconf_reg);
-		gma_power_end(dev);
-	}
-
-	if (!(reg_val & PIPEACONF_ENABLE))
-		return -EINVAL;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	if (pipe == 0)
-		dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG;
-	else if (pipe == 1)
-		dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG;
-
-	PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-	PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-	psb_enable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-
-	return 0;
-}
-
-/*
- * It is used to disable VBLANK interrupt
- */
-void psb_disable_vblank(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long irqflags;
-
-#if defined(CONFIG_DRM_PSB_MFLD)
-	if (IS_MFLD(dev) && !mdfld_panel_dpi(dev))
-		mdfld_disable_te(dev, pipe);
-#endif
-	spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-	if (pipe == 0)
-		dev_priv->vdc_irq_mask &= ~_PSB_VSYNC_PIPEA_FLAG;
-	else if (pipe == 1)
-		dev_priv->vdc_irq_mask &= ~_PSB_VSYNC_PIPEB_FLAG;
-
-	PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-	PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-	psb_disable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
-/**
- *	mdfld_enable_te		-	enable TE events
- *	@dev: our DRM device
- *	@pipe: which pipe to work on
- *
- *	Enable TE events on a Medfield display pipe. Medfield specific.
- */
-int mdfld_enable_te(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long flags;
-	uint32_t reg_val = 0;
-	uint32_t pipeconf_reg = mid_pipeconf(pipe);
-
-	if (gma_power_begin(dev, false)) {
-		reg_val = REG_READ(pipeconf_reg);
-		gma_power_end(dev);
-	}
-
-	if (!(reg_val & PIPEACONF_ENABLE))
-		return -EINVAL;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, flags);
-
-	mid_enable_pipe_event(dev_priv, pipe);
-	psb_enable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, flags);
-
-	return 0;
-}
-
-/**
- *	mdfld_disable_te		-	disable TE events
- *	@dev: our DRM device
- *	@pipe: which pipe to work on
- *
- *	Disable TE events on a Medfield display pipe. Medfield specific.
- */
-void mdfld_disable_te(struct drm_device *dev, int pipe)
-{
-	struct drm_psb_private *dev_priv = dev->dev_private;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->irqmask_lock, flags);
-
-	mid_disable_pipe_event(dev_priv, pipe);
-	psb_disable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
-
-	spin_unlock_irqrestore(&dev_priv->irqmask_lock, flags);
-}
-
-/* Called from drm generic code, passed a 'crtc', which
- * we use as a pipe index
- */
-u32 psb_get_vblank_counter(struct drm_device *dev, int pipe)
-{
-	uint32_t high_frame = PIPEAFRAMEHIGH;
-	uint32_t low_frame = PIPEAFRAMEPIXEL;
-	uint32_t pipeconf_reg = PIPEACONF;
-	uint32_t reg_val = 0;
-	uint32_t high1 = 0, high2 = 0, low = 0, count = 0;
-
-	switch (pipe) {
-	case 0:
-		break;
-	case 1:
-		high_frame = PIPEBFRAMEHIGH;
-		low_frame = PIPEBFRAMEPIXEL;
-		pipeconf_reg = PIPEBCONF;
-		break;
-	case 2:
-		high_frame = PIPECFRAMEHIGH;
-		low_frame = PIPECFRAMEPIXEL;
-		pipeconf_reg = PIPECCONF;
-		break;
-	default:
-		dev_err(dev->dev, "%s, invalid pipe.\n", __func__);
-		return 0;
-	}
-
-	if (!gma_power_begin(dev, false))
-		return 0;
-
-	reg_val = REG_READ(pipeconf_reg);
-
-	if (!(reg_val & PIPEACONF_ENABLE)) {
-		dev_err(dev->dev, "trying to get vblank count for disabled pipe %d\n",
-								pipe);
-		goto psb_get_vblank_counter_exit;
-	}
-
-	/*
-	 * High & low register fields aren't synchronized, so make sure
-	 * we get a low value that's stable across two reads of the high
-	 * register.
-	 */
-	do {
-		high1 = ((REG_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
-			 PIPE_FRAME_HIGH_SHIFT);
-		low =  ((REG_READ(low_frame) & PIPE_FRAME_LOW_MASK) >>
-			PIPE_FRAME_LOW_SHIFT);
-		high2 = ((REG_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
-			 PIPE_FRAME_HIGH_SHIFT);
-	} while (high1 != high2);
-
-	count = (high1 << 8) | low;
-
-psb_get_vblank_counter_exit:
-
-	gma_power_end(dev);
-
-	return count;
-}
-
diff --git a/drivers/staging/gma500/psb_irq.h b/drivers/staging/gma500/psb_irq.h
deleted file mode 100644
index 216fda38b57d..000000000000
--- a/drivers/staging/gma500/psb_irq.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *    Benjamin Defnet <benjamin.r.defnet@intel.com>
- *    Rajesh Poornachandran <rajesh.poornachandran@intel.com>
- *
- **************************************************************************/
-
-#ifndef _SYSIRQ_H_
-#define _SYSIRQ_H_
-
-#include <drm/drmP.h>
-
-bool sysirq_init(struct drm_device *dev);
-void sysirq_uninit(struct drm_device *dev);
-
-void psb_irq_preinstall(struct drm_device *dev);
-int  psb_irq_postinstall(struct drm_device *dev);
-void psb_irq_uninstall(struct drm_device *dev);
-irqreturn_t psb_irq_handler(DRM_IRQ_ARGS);
-
-int psb_irq_enable_dpst(struct drm_device *dev);
-int psb_irq_disable_dpst(struct drm_device *dev);
-void psb_irq_turn_on_dpst(struct drm_device *dev);
-void psb_irq_turn_off_dpst(struct drm_device *dev);
-int  psb_enable_vblank(struct drm_device *dev, int pipe);
-void psb_disable_vblank(struct drm_device *dev, int pipe);
-u32  psb_get_vblank_counter(struct drm_device *dev, int pipe);
-
-#endif /* _SYSIRQ_H_ */
diff --git a/drivers/staging/gma500/psb_lid.c b/drivers/staging/gma500/psb_lid.c
deleted file mode 100644
index b867aabe6bf3..000000000000
--- a/drivers/staging/gma500/psb_lid.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
- **************************************************************************/
-
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include <linux/spinlock.h>
-
-static void psb_lid_timer_func(unsigned long data)
-{
-	struct drm_psb_private * dev_priv = (struct drm_psb_private *)data;
-	struct drm_device *dev = (struct drm_device *)dev_priv->dev;
-	struct timer_list *lid_timer = &dev_priv->lid_timer;
-	unsigned long irq_flags;
-	u32 *lid_state = dev_priv->lid_state;
-	u32 pp_status;
-
-	if (readl(lid_state) == dev_priv->lid_last_state)
-		goto lid_timer_schedule;
-
-	if ((readl(lid_state)) & 0x01) {
-		/*lid state is open*/
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & PP_ON) == 0);
-
-		/*FIXME: should be backlight level before*/
-		psb_intel_lvds_set_brightness(dev, 100);
-	} else {
-		psb_intel_lvds_set_brightness(dev, 0);
-
-		REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) & ~POWER_TARGET_ON);
-		do {
-			pp_status = REG_READ(PP_STATUS);
-		} while ((pp_status & PP_ON) == 0);
-	}
-	dev_priv->lid_last_state =  readl(lid_state);
-
-lid_timer_schedule:
-	spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
-	if (!timer_pending(lid_timer)) {
-		lid_timer->expires = jiffies + PSB_LID_DELAY;
-		add_timer(lid_timer);
-	}
-	spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags);
-}
-
-void psb_lid_timer_init(struct drm_psb_private *dev_priv)
-{
-	struct timer_list *lid_timer = &dev_priv->lid_timer;
-	unsigned long irq_flags;
-
-	spin_lock_init(&dev_priv->lid_lock);
-	spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
-
-	init_timer(lid_timer);
-
-	lid_timer->data = (unsigned long)dev_priv;
-	lid_timer->function = psb_lid_timer_func;
-	lid_timer->expires = jiffies + PSB_LID_DELAY;
-
-	add_timer(lid_timer);
-	spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags);
-}
-
-void psb_lid_timer_takedown(struct drm_psb_private *dev_priv)
-{
-	del_timer_sync(&dev_priv->lid_timer);
-}
-
diff --git a/drivers/staging/gma500/psb_reg.h b/drivers/staging/gma500/psb_reg.h
deleted file mode 100644
index b81c7c1e9c2d..000000000000
--- a/drivers/staging/gma500/psb_reg.h
+++ /dev/null
@@ -1,582 +0,0 @@
-/**************************************************************************
- *
- * Copyright (c) (2005-2007) Imagination Technologies Limited.
- * Copyright (c) 2007, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA..
- *
- **************************************************************************/
-
-#ifndef _PSB_REG_H_
-#define _PSB_REG_H_
-
-#define PSB_CR_CLKGATECTL		0x0000
-#define _PSB_C_CLKGATECTL_AUTO_MAN_REG		(1 << 24)
-#define _PSB_C_CLKGATECTL_USE_CLKG_SHIFT	(20)
-#define _PSB_C_CLKGATECTL_USE_CLKG_MASK		(0x3 << 20)
-#define _PSB_C_CLKGATECTL_DPM_CLKG_SHIFT	(16)
-#define _PSB_C_CLKGATECTL_DPM_CLKG_MASK		(0x3 << 16)
-#define _PSB_C_CLKGATECTL_TA_CLKG_SHIFT		(12)
-#define _PSB_C_CLKGATECTL_TA_CLKG_MASK		(0x3 << 12)
-#define _PSB_C_CLKGATECTL_TSP_CLKG_SHIFT	(8)
-#define _PSB_C_CLKGATECTL_TSP_CLKG_MASK		(0x3 << 8)
-#define _PSB_C_CLKGATECTL_ISP_CLKG_SHIFT	(4)
-#define _PSB_C_CLKGATECTL_ISP_CLKG_MASK		(0x3 << 4)
-#define _PSB_C_CLKGATECTL_2D_CLKG_SHIFT		(0)
-#define _PSB_C_CLKGATECTL_2D_CLKG_MASK		(0x3 << 0)
-#define _PSB_C_CLKGATECTL_CLKG_ENABLED		(0)
-#define _PSB_C_CLKGATECTL_CLKG_DISABLED		(1)
-#define _PSB_C_CLKGATECTL_CLKG_AUTO		(2)
-
-#define PSB_CR_CORE_ID			0x0010
-#define _PSB_CC_ID_ID_SHIFT			(16)
-#define _PSB_CC_ID_ID_MASK			(0xFFFF << 16)
-#define _PSB_CC_ID_CONFIG_SHIFT			(0)
-#define _PSB_CC_ID_CONFIG_MASK			(0xFFFF << 0)
-
-#define PSB_CR_CORE_REVISION		0x0014
-#define _PSB_CC_REVISION_DESIGNER_SHIFT		(24)
-#define _PSB_CC_REVISION_DESIGNER_MASK		(0xFF << 24)
-#define _PSB_CC_REVISION_MAJOR_SHIFT		(16)
-#define _PSB_CC_REVISION_MAJOR_MASK		(0xFF << 16)
-#define _PSB_CC_REVISION_MINOR_SHIFT		(8)
-#define _PSB_CC_REVISION_MINOR_MASK		(0xFF << 8)
-#define _PSB_CC_REVISION_MAINTENANCE_SHIFT	(0)
-#define _PSB_CC_REVISION_MAINTENANCE_MASK	(0xFF << 0)
-
-#define PSB_CR_DESIGNER_REV_FIELD1	0x0018
-
-#define PSB_CR_SOFT_RESET		0x0080
-#define _PSB_CS_RESET_TSP_RESET		(1 << 6)
-#define _PSB_CS_RESET_ISP_RESET		(1 << 5)
-#define _PSB_CS_RESET_USE_RESET		(1 << 4)
-#define _PSB_CS_RESET_TA_RESET		(1 << 3)
-#define _PSB_CS_RESET_DPM_RESET		(1 << 2)
-#define _PSB_CS_RESET_TWOD_RESET	(1 << 1)
-#define _PSB_CS_RESET_BIF_RESET			(1 << 0)
-
-#define PSB_CR_DESIGNER_REV_FIELD2	0x001C
-
-#define PSB_CR_EVENT_HOST_ENABLE2	0x0110
-
-#define PSB_CR_EVENT_STATUS2		0x0118
-
-#define PSB_CR_EVENT_HOST_CLEAR2	0x0114
-#define _PSB_CE2_BIF_REQUESTER_FAULT		(1 << 4)
-
-#define PSB_CR_EVENT_STATUS		0x012C
-
-#define PSB_CR_EVENT_HOST_ENABLE	0x0130
-
-#define PSB_CR_EVENT_HOST_CLEAR		0x0134
-#define _PSB_CE_MASTER_INTERRUPT		(1 << 31)
-#define _PSB_CE_TA_DPM_FAULT			(1 << 28)
-#define _PSB_CE_TWOD_COMPLETE			(1 << 27)
-#define _PSB_CE_DPM_OUT_OF_MEMORY_ZLS		(1 << 25)
-#define _PSB_CE_DPM_TA_MEM_FREE			(1 << 24)
-#define _PSB_CE_PIXELBE_END_RENDER		(1 << 18)
-#define _PSB_CE_SW_EVENT			(1 << 14)
-#define _PSB_CE_TA_FINISHED			(1 << 13)
-#define _PSB_CE_TA_TERMINATE			(1 << 12)
-#define _PSB_CE_DPM_REACHED_MEM_THRESH		(1 << 3)
-#define _PSB_CE_DPM_OUT_OF_MEMORY_GBL		(1 << 2)
-#define _PSB_CE_DPM_OUT_OF_MEMORY_MT		(1 << 1)
-#define _PSB_CE_DPM_3D_MEM_FREE			(1 << 0)
-
-
-#define PSB_USE_OFFSET_MASK		0x0007FFFF
-#define PSB_USE_OFFSET_SIZE		(PSB_USE_OFFSET_MASK + 1)
-#define PSB_CR_USE_CODE_BASE0		0x0A0C
-#define PSB_CR_USE_CODE_BASE1		0x0A10
-#define PSB_CR_USE_CODE_BASE2		0x0A14
-#define PSB_CR_USE_CODE_BASE3		0x0A18
-#define PSB_CR_USE_CODE_BASE4		0x0A1C
-#define PSB_CR_USE_CODE_BASE5		0x0A20
-#define PSB_CR_USE_CODE_BASE6		0x0A24
-#define PSB_CR_USE_CODE_BASE7		0x0A28
-#define PSB_CR_USE_CODE_BASE8		0x0A2C
-#define PSB_CR_USE_CODE_BASE9		0x0A30
-#define PSB_CR_USE_CODE_BASE10		0x0A34
-#define PSB_CR_USE_CODE_BASE11		0x0A38
-#define PSB_CR_USE_CODE_BASE12		0x0A3C
-#define PSB_CR_USE_CODE_BASE13		0x0A40
-#define PSB_CR_USE_CODE_BASE14		0x0A44
-#define PSB_CR_USE_CODE_BASE15		0x0A48
-#define PSB_CR_USE_CODE_BASE(_i)	(0x0A0C + ((_i) << 2))
-#define _PSB_CUC_BASE_DM_SHIFT			(25)
-#define _PSB_CUC_BASE_DM_MASK			(0x3 << 25)
-#define _PSB_CUC_BASE_ADDR_SHIFT		(0)	/* 1024-bit aligned address? */
-#define _PSB_CUC_BASE_ADDR_ALIGNSHIFT		(7)
-#define _PSB_CUC_BASE_ADDR_MASK			(0x1FFFFFF << 0)
-#define _PSB_CUC_DM_VERTEX			(0)
-#define _PSB_CUC_DM_PIXEL			(1)
-#define _PSB_CUC_DM_RESERVED			(2)
-#define _PSB_CUC_DM_EDM				(3)
-
-#define PSB_CR_PDS_EXEC_BASE		0x0AB8
-#define _PSB_CR_PDS_EXEC_BASE_ADDR_SHIFT	(20)	/* 1MB aligned address */
-#define _PSB_CR_PDS_EXEC_BASE_ADDR_ALIGNSHIFT	(20)
-
-#define PSB_CR_EVENT_KICKER		0x0AC4
-#define _PSB_CE_KICKER_ADDRESS_SHIFT		(4)	/* 128-bit aligned address */
-
-#define PSB_CR_EVENT_KICK		0x0AC8
-#define _PSB_CE_KICK_NOW			(1 << 0)
-
-#define PSB_CR_BIF_DIR_LIST_BASE1	0x0C38
-
-#define PSB_CR_BIF_CTRL			0x0C00
-#define _PSB_CB_CTRL_CLEAR_FAULT		(1 << 4)
-#define _PSB_CB_CTRL_INVALDC			(1 << 3)
-#define _PSB_CB_CTRL_FLUSH			(1 << 2)
-
-#define PSB_CR_BIF_INT_STAT		0x0C04
-
-#define PSB_CR_BIF_FAULT		0x0C08
-#define _PSB_CBI_STAT_PF_N_RW			(1 << 14)
-#define _PSB_CBI_STAT_FAULT_SHIFT		(0)
-#define _PSB_CBI_STAT_FAULT_MASK		(0x3FFF << 0)
-#define _PSB_CBI_STAT_FAULT_CACHE		(1 << 1)
-#define _PSB_CBI_STAT_FAULT_TA			(1 << 2)
-#define _PSB_CBI_STAT_FAULT_VDM			(1 << 3)
-#define _PSB_CBI_STAT_FAULT_2D			(1 << 4)
-#define _PSB_CBI_STAT_FAULT_PBE			(1 << 5)
-#define _PSB_CBI_STAT_FAULT_TSP			(1 << 6)
-#define _PSB_CBI_STAT_FAULT_ISP			(1 << 7)
-#define _PSB_CBI_STAT_FAULT_USSEPDS		(1 << 8)
-#define _PSB_CBI_STAT_FAULT_HOST		(1 << 9)
-
-#define PSB_CR_BIF_BANK0		0x0C78
-#define PSB_CR_BIF_BANK1		0x0C7C
-#define PSB_CR_BIF_DIR_LIST_BASE0	0x0C84
-#define PSB_CR_BIF_TWOD_REQ_BASE	0x0C88
-#define PSB_CR_BIF_3D_REQ_BASE		0x0CAC
-
-#define PSB_CR_2D_SOCIF			0x0E18
-#define _PSB_C2_SOCIF_FREESPACE_SHIFT		(0)
-#define _PSB_C2_SOCIF_FREESPACE_MASK		(0xFF << 0)
-#define _PSB_C2_SOCIF_EMPTY			(0x80 << 0)
-
-#define PSB_CR_2D_BLIT_STATUS		0x0E04
-#define _PSB_C2B_STATUS_BUSY			(1 << 24)
-#define _PSB_C2B_STATUS_COMPLETE_SHIFT		(0)
-#define _PSB_C2B_STATUS_COMPLETE_MASK		(0xFFFFFF << 0)
-
-/*
- * 2D defs.
- */
-
-/*
- * 2D Slave Port Data : Block Header's Object Type
- */
-
-#define	PSB_2D_CLIP_BH			(0x00000000)
-#define	PSB_2D_PAT_BH			(0x10000000)
-#define	PSB_2D_CTRL_BH			(0x20000000)
-#define	PSB_2D_SRC_OFF_BH		(0x30000000)
-#define	PSB_2D_MASK_OFF_BH		(0x40000000)
-#define	PSB_2D_RESERVED1_BH		(0x50000000)
-#define	PSB_2D_RESERVED2_BH		(0x60000000)
-#define	PSB_2D_FENCE_BH			(0x70000000)
-#define	PSB_2D_BLIT_BH			(0x80000000)
-#define	PSB_2D_SRC_SURF_BH		(0x90000000)
-#define	PSB_2D_DST_SURF_BH		(0xA0000000)
-#define	PSB_2D_PAT_SURF_BH		(0xB0000000)
-#define	PSB_2D_SRC_PAL_BH		(0xC0000000)
-#define	PSB_2D_PAT_PAL_BH		(0xD0000000)
-#define	PSB_2D_MASK_SURF_BH		(0xE0000000)
-#define	PSB_2D_FLUSH_BH			(0xF0000000)
-
-/*
- * Clip Definition block (PSB_2D_CLIP_BH)
- */
-#define PSB_2D_CLIPCOUNT_MAX		(1)
-#define PSB_2D_CLIPCOUNT_MASK		(0x00000000)
-#define PSB_2D_CLIPCOUNT_CLRMASK	(0xFFFFFFFF)
-#define PSB_2D_CLIPCOUNT_SHIFT		(0)
-/* clip rectangle min & max */
-#define PSB_2D_CLIP_XMAX_MASK		(0x00FFF000)
-#define PSB_2D_CLIP_XMAX_CLRMASK	(0xFF000FFF)
-#define PSB_2D_CLIP_XMAX_SHIFT		(12)
-#define PSB_2D_CLIP_XMIN_MASK		(0x00000FFF)
-#define PSB_2D_CLIP_XMIN_CLRMASK	(0x00FFF000)
-#define PSB_2D_CLIP_XMIN_SHIFT		(0)
-/* clip rectangle offset */
-#define PSB_2D_CLIP_YMAX_MASK		(0x00FFF000)
-#define PSB_2D_CLIP_YMAX_CLRMASK	(0xFF000FFF)
-#define PSB_2D_CLIP_YMAX_SHIFT		(12)
-#define PSB_2D_CLIP_YMIN_MASK		(0x00000FFF)
-#define PSB_2D_CLIP_YMIN_CLRMASK	(0x00FFF000)
-#define PSB_2D_CLIP_YMIN_SHIFT		(0)
-
-/*
- * Pattern Control (PSB_2D_PAT_BH)
- */
-#define PSB_2D_PAT_HEIGHT_MASK		(0x0000001F)
-#define PSB_2D_PAT_HEIGHT_SHIFT		(0)
-#define PSB_2D_PAT_WIDTH_MASK		(0x000003E0)
-#define PSB_2D_PAT_WIDTH_SHIFT		(5)
-#define PSB_2D_PAT_YSTART_MASK		(0x00007C00)
-#define PSB_2D_PAT_YSTART_SHIFT		(10)
-#define PSB_2D_PAT_XSTART_MASK		(0x000F8000)
-#define PSB_2D_PAT_XSTART_SHIFT		(15)
-
-/*
- * 2D Control block (PSB_2D_CTRL_BH)
- */
-/* Present Flags */
-#define PSB_2D_SRCCK_CTRL		(0x00000001)
-#define PSB_2D_DSTCK_CTRL		(0x00000002)
-#define PSB_2D_ALPHA_CTRL		(0x00000004)
-/* Colour Key Colour (SRC/DST)*/
-#define PSB_2D_CK_COL_MASK		(0xFFFFFFFF)
-#define PSB_2D_CK_COL_CLRMASK		(0x00000000)
-#define PSB_2D_CK_COL_SHIFT		(0)
-/* Colour Key Mask (SRC/DST)*/
-#define PSB_2D_CK_MASK_MASK		(0xFFFFFFFF)
-#define PSB_2D_CK_MASK_CLRMASK		(0x00000000)
-#define PSB_2D_CK_MASK_SHIFT		(0)
-/* Alpha Control (Alpha/RGB)*/
-#define PSB_2D_GBLALPHA_MASK		(0x000FF000)
-#define PSB_2D_GBLALPHA_CLRMASK		(0xFFF00FFF)
-#define PSB_2D_GBLALPHA_SHIFT		(12)
-#define PSB_2D_SRCALPHA_OP_MASK		(0x00700000)
-#define PSB_2D_SRCALPHA_OP_CLRMASK	(0xFF8FFFFF)
-#define PSB_2D_SRCALPHA_OP_SHIFT	(20)
-#define PSB_2D_SRCALPHA_OP_ONE		(0x00000000)
-#define PSB_2D_SRCALPHA_OP_SRC		(0x00100000)
-#define PSB_2D_SRCALPHA_OP_DST		(0x00200000)
-#define PSB_2D_SRCALPHA_OP_SG		(0x00300000)
-#define PSB_2D_SRCALPHA_OP_DG		(0x00400000)
-#define PSB_2D_SRCALPHA_OP_GBL		(0x00500000)
-#define PSB_2D_SRCALPHA_OP_ZERO		(0x00600000)
-#define PSB_2D_SRCALPHA_INVERT		(0x00800000)
-#define PSB_2D_SRCALPHA_INVERT_CLR	(0xFF7FFFFF)
-#define PSB_2D_DSTALPHA_OP_MASK		(0x07000000)
-#define PSB_2D_DSTALPHA_OP_CLRMASK	(0xF8FFFFFF)
-#define PSB_2D_DSTALPHA_OP_SHIFT	(24)
-#define PSB_2D_DSTALPHA_OP_ONE		(0x00000000)
-#define PSB_2D_DSTALPHA_OP_SRC		(0x01000000)
-#define PSB_2D_DSTALPHA_OP_DST		(0x02000000)
-#define PSB_2D_DSTALPHA_OP_SG		(0x03000000)
-#define PSB_2D_DSTALPHA_OP_DG		(0x04000000)
-#define PSB_2D_DSTALPHA_OP_GBL		(0x05000000)
-#define PSB_2D_DSTALPHA_OP_ZERO		(0x06000000)
-#define PSB_2D_DSTALPHA_INVERT		(0x08000000)
-#define PSB_2D_DSTALPHA_INVERT_CLR	(0xF7FFFFFF)
-
-#define PSB_2D_PRE_MULTIPLICATION_ENABLE	(0x10000000)
-#define PSB_2D_PRE_MULTIPLICATION_CLRMASK	(0xEFFFFFFF)
-#define PSB_2D_ZERO_SOURCE_ALPHA_ENABLE		(0x20000000)
-#define PSB_2D_ZERO_SOURCE_ALPHA_CLRMASK	(0xDFFFFFFF)
-
-/*
- *Source Offset (PSB_2D_SRC_OFF_BH)
- */
-#define PSB_2D_SRCOFF_XSTART_MASK	((0x00000FFF) << 12)
-#define PSB_2D_SRCOFF_XSTART_SHIFT	(12)
-#define PSB_2D_SRCOFF_YSTART_MASK	(0x00000FFF)
-#define PSB_2D_SRCOFF_YSTART_SHIFT	(0)
-
-/*
- * Mask Offset (PSB_2D_MASK_OFF_BH)
- */
-#define PSB_2D_MASKOFF_XSTART_MASK	((0x00000FFF) << 12)
-#define PSB_2D_MASKOFF_XSTART_SHIFT	(12)
-#define PSB_2D_MASKOFF_YSTART_MASK	(0x00000FFF)
-#define PSB_2D_MASKOFF_YSTART_SHIFT	(0)
-
-/*
- * 2D Fence (see PSB_2D_FENCE_BH): bits 0:27 are ignored
- */
-
-/*
- *Blit Rectangle (PSB_2D_BLIT_BH)
- */
-
-#define PSB_2D_ROT_MASK			(3 << 25)
-#define PSB_2D_ROT_CLRMASK		(~PSB_2D_ROT_MASK)
-#define PSB_2D_ROT_NONE			(0 << 25)
-#define PSB_2D_ROT_90DEGS		(1 << 25)
-#define PSB_2D_ROT_180DEGS		(2 << 25)
-#define PSB_2D_ROT_270DEGS		(3 << 25)
-
-#define PSB_2D_COPYORDER_MASK		(3 << 23)
-#define PSB_2D_COPYORDER_CLRMASK	(~PSB_2D_COPYORDER_MASK)
-#define PSB_2D_COPYORDER_TL2BR		(0 << 23)
-#define PSB_2D_COPYORDER_BR2TL		(1 << 23)
-#define PSB_2D_COPYORDER_TR2BL		(2 << 23)
-#define PSB_2D_COPYORDER_BL2TR		(3 << 23)
-
-#define PSB_2D_DSTCK_CLRMASK		(0xFF9FFFFF)
-#define PSB_2D_DSTCK_DISABLE		(0x00000000)
-#define PSB_2D_DSTCK_PASS		(0x00200000)
-#define PSB_2D_DSTCK_REJECT		(0x00400000)
-
-#define PSB_2D_SRCCK_CLRMASK		(0xFFE7FFFF)
-#define PSB_2D_SRCCK_DISABLE		(0x00000000)
-#define PSB_2D_SRCCK_PASS		(0x00080000)
-#define PSB_2D_SRCCK_REJECT		(0x00100000)
-
-#define PSB_2D_CLIP_ENABLE		(0x00040000)
-
-#define PSB_2D_ALPHA_ENABLE		(0x00020000)
-
-#define PSB_2D_PAT_CLRMASK		(0xFFFEFFFF)
-#define PSB_2D_PAT_MASK			(0x00010000)
-#define PSB_2D_USE_PAT			(0x00010000)
-#define PSB_2D_USE_FILL			(0x00000000)
-/*
- * Tungsten Graphics note on rop codes: If rop A and rop B are
- * identical, the mask surface will not be read and need not be
- * set up.
- */
-
-#define PSB_2D_ROP3B_MASK		(0x0000FF00)
-#define PSB_2D_ROP3B_CLRMASK		(0xFFFF00FF)
-#define PSB_2D_ROP3B_SHIFT		(8)
-/* rop code A */
-#define PSB_2D_ROP3A_MASK		(0x000000FF)
-#define PSB_2D_ROP3A_CLRMASK		(0xFFFFFF00)
-#define PSB_2D_ROP3A_SHIFT		(0)
-
-#define PSB_2D_ROP4_MASK		(0x0000FFFF)
-/*
- *	DWORD0:	(Only pass if Pattern control == Use Fill Colour)
- *	Fill Colour RGBA8888
- */
-#define PSB_2D_FILLCOLOUR_MASK		(0xFFFFFFFF)
-#define PSB_2D_FILLCOLOUR_SHIFT		(0)
-/*
- *	DWORD1: (Always Present)
- *	X Start (Dest)
- *	Y Start (Dest)
- */
-#define PSB_2D_DST_XSTART_MASK		(0x00FFF000)
-#define PSB_2D_DST_XSTART_CLRMASK	(0xFF000FFF)
-#define PSB_2D_DST_XSTART_SHIFT		(12)
-#define PSB_2D_DST_YSTART_MASK		(0x00000FFF)
-#define PSB_2D_DST_YSTART_CLRMASK	(0xFFFFF000)
-#define PSB_2D_DST_YSTART_SHIFT		(0)
-/*
- *	DWORD2: (Always Present)
- *	X Size (Dest)
- *	Y Size (Dest)
- */
-#define PSB_2D_DST_XSIZE_MASK		(0x00FFF000)
-#define PSB_2D_DST_XSIZE_CLRMASK	(0xFF000FFF)
-#define PSB_2D_DST_XSIZE_SHIFT		(12)
-#define PSB_2D_DST_YSIZE_MASK		(0x00000FFF)
-#define PSB_2D_DST_YSIZE_CLRMASK	(0xFFFFF000)
-#define PSB_2D_DST_YSIZE_SHIFT		(0)
-
-/*
- * Source Surface (PSB_2D_SRC_SURF_BH)
- */
-/*
- * WORD 0
- */
-
-#define PSB_2D_SRC_FORMAT_MASK		(0x00078000)
-#define PSB_2D_SRC_1_PAL		(0x00000000)
-#define PSB_2D_SRC_2_PAL		(0x00008000)
-#define PSB_2D_SRC_4_PAL		(0x00010000)
-#define PSB_2D_SRC_8_PAL		(0x00018000)
-#define PSB_2D_SRC_8_ALPHA		(0x00020000)
-#define PSB_2D_SRC_4_ALPHA		(0x00028000)
-#define PSB_2D_SRC_332RGB		(0x00030000)
-#define PSB_2D_SRC_4444ARGB		(0x00038000)
-#define PSB_2D_SRC_555RGB		(0x00040000)
-#define PSB_2D_SRC_1555ARGB		(0x00048000)
-#define PSB_2D_SRC_565RGB		(0x00050000)
-#define PSB_2D_SRC_0888ARGB		(0x00058000)
-#define PSB_2D_SRC_8888ARGB		(0x00060000)
-#define PSB_2D_SRC_8888UYVY		(0x00068000)
-#define PSB_2D_SRC_RESERVED		(0x00070000)
-#define PSB_2D_SRC_1555ARGB_LOOKUP	(0x00078000)
-
-
-#define PSB_2D_SRC_STRIDE_MASK		(0x00007FFF)
-#define PSB_2D_SRC_STRIDE_CLRMASK	(0xFFFF8000)
-#define PSB_2D_SRC_STRIDE_SHIFT		(0)
-/*
- *  WORD 1 - Base Address
- */
-#define PSB_2D_SRC_ADDR_MASK		(0x0FFFFFFC)
-#define PSB_2D_SRC_ADDR_CLRMASK		(0x00000003)
-#define PSB_2D_SRC_ADDR_SHIFT		(2)
-#define PSB_2D_SRC_ADDR_ALIGNSHIFT	(2)
-
-/*
- * Pattern Surface (PSB_2D_PAT_SURF_BH)
- */
-/*
- *  WORD 0
- */
-
-#define PSB_2D_PAT_FORMAT_MASK		(0x00078000)
-#define PSB_2D_PAT_1_PAL		(0x00000000)
-#define PSB_2D_PAT_2_PAL		(0x00008000)
-#define PSB_2D_PAT_4_PAL		(0x00010000)
-#define PSB_2D_PAT_8_PAL		(0x00018000)
-#define PSB_2D_PAT_8_ALPHA		(0x00020000)
-#define PSB_2D_PAT_4_ALPHA		(0x00028000)
-#define PSB_2D_PAT_332RGB		(0x00030000)
-#define PSB_2D_PAT_4444ARGB		(0x00038000)
-#define PSB_2D_PAT_555RGB		(0x00040000)
-#define PSB_2D_PAT_1555ARGB		(0x00048000)
-#define PSB_2D_PAT_565RGB		(0x00050000)
-#define PSB_2D_PAT_0888ARGB		(0x00058000)
-#define PSB_2D_PAT_8888ARGB		(0x00060000)
-
-#define PSB_2D_PAT_STRIDE_MASK		(0x00007FFF)
-#define PSB_2D_PAT_STRIDE_CLRMASK	(0xFFFF8000)
-#define PSB_2D_PAT_STRIDE_SHIFT		(0)
-/*
- *  WORD 1 - Base Address
- */
-#define PSB_2D_PAT_ADDR_MASK		(0x0FFFFFFC)
-#define PSB_2D_PAT_ADDR_CLRMASK		(0x00000003)
-#define PSB_2D_PAT_ADDR_SHIFT		(2)
-#define PSB_2D_PAT_ADDR_ALIGNSHIFT	(2)
-
-/*
- * Destination Surface (PSB_2D_DST_SURF_BH)
- */
-/*
- * WORD 0
- */
-
-#define PSB_2D_DST_FORMAT_MASK		(0x00078000)
-#define PSB_2D_DST_332RGB		(0x00030000)
-#define PSB_2D_DST_4444ARGB		(0x00038000)
-#define PSB_2D_DST_555RGB		(0x00040000)
-#define PSB_2D_DST_1555ARGB		(0x00048000)
-#define PSB_2D_DST_565RGB		(0x00050000)
-#define PSB_2D_DST_0888ARGB		(0x00058000)
-#define PSB_2D_DST_8888ARGB		(0x00060000)
-#define PSB_2D_DST_8888AYUV		(0x00070000)
-
-#define PSB_2D_DST_STRIDE_MASK		(0x00007FFF)
-#define PSB_2D_DST_STRIDE_CLRMASK	(0xFFFF8000)
-#define PSB_2D_DST_STRIDE_SHIFT		(0)
-/*
- * WORD 1 - Base Address
- */
-#define PSB_2D_DST_ADDR_MASK		(0x0FFFFFFC)
-#define PSB_2D_DST_ADDR_CLRMASK		(0x00000003)
-#define PSB_2D_DST_ADDR_SHIFT		(2)
-#define PSB_2D_DST_ADDR_ALIGNSHIFT	(2)
-
-/*
- * Mask Surface (PSB_2D_MASK_SURF_BH)
- */
-/*
- * WORD 0
- */
-#define PSB_2D_MASK_STRIDE_MASK		(0x00007FFF)
-#define PSB_2D_MASK_STRIDE_CLRMASK	(0xFFFF8000)
-#define PSB_2D_MASK_STRIDE_SHIFT	(0)
-/*
- *  WORD 1 - Base Address
- */
-#define PSB_2D_MASK_ADDR_MASK		(0x0FFFFFFC)
-#define PSB_2D_MASK_ADDR_CLRMASK	(0x00000003)
-#define PSB_2D_MASK_ADDR_SHIFT		(2)
-#define PSB_2D_MASK_ADDR_ALIGNSHIFT	(2)
-
-/*
- * Source Palette (PSB_2D_SRC_PAL_BH)
- */
-
-#define PSB_2D_SRCPAL_ADDR_SHIFT	(0)
-#define PSB_2D_SRCPAL_ADDR_CLRMASK	(0xF0000007)
-#define PSB_2D_SRCPAL_ADDR_MASK		(0x0FFFFFF8)
-#define PSB_2D_SRCPAL_BYTEALIGN		(1024)
-
-/*
- * Pattern Palette (PSB_2D_PAT_PAL_BH)
- */
-
-#define PSB_2D_PATPAL_ADDR_SHIFT	(0)
-#define PSB_2D_PATPAL_ADDR_CLRMASK	(0xF0000007)
-#define PSB_2D_PATPAL_ADDR_MASK		(0x0FFFFFF8)
-#define PSB_2D_PATPAL_BYTEALIGN		(1024)
-
-/*
- * Rop3 Codes (2 LS bytes)
- */
-
-#define PSB_2D_ROP3_SRCCOPY		(0xCCCC)
-#define PSB_2D_ROP3_PATCOPY		(0xF0F0)
-#define PSB_2D_ROP3_WHITENESS		(0xFFFF)
-#define PSB_2D_ROP3_BLACKNESS		(0x0000)
-#define PSB_2D_ROP3_SRC			(0xCC)
-#define PSB_2D_ROP3_PAT			(0xF0)
-#define PSB_2D_ROP3_DST			(0xAA)
-
-/*
- * Sizes.
- */
-
-#define PSB_SCENE_HW_COOKIE_SIZE	16
-#define PSB_TA_MEM_HW_COOKIE_SIZE	16
-
-/*
- * Scene stuff.
- */
-
-#define PSB_NUM_HW_SCENES		2
-
-/*
- * Scheduler completion actions.
- */
-
-#define PSB_RASTER_BLOCK		0
-#define PSB_RASTER			1
-#define PSB_RETURN			2
-#define PSB_TA				3
-
-/* Power management */
-#define PSB_PUNIT_PORT			0x04
-#define PSB_OSPMBA			0x78
-#define PSB_APMBA			0x7a
-#define PSB_APM_CMD			0x0
-#define PSB_APM_STS			0x04
-#define PSB_PWRGT_VID_ENC_MASK		0x30
-#define PSB_PWRGT_VID_DEC_MASK		0xc
-#define PSB_PWRGT_GL3_MASK		0xc0
-
-#define PSB_PM_SSC			0x20
-#define PSB_PM_SSS			0x30
-#define PSB_PWRGT_DISPLAY_MASK		0xc /*on a different BA than video/gfx*/
-#define MDFLD_PWRGT_DISPLAY_A_CNTR	0x0000000c
-#define MDFLD_PWRGT_DISPLAY_B_CNTR	0x0000c000
-#define MDFLD_PWRGT_DISPLAY_C_CNTR	0x00030000
-#define MDFLD_PWRGT_DISP_MIPI_CNTR	0x000c0000
-#define MDFLD_PWRGT_DISPLAY_CNTR    (MDFLD_PWRGT_DISPLAY_A_CNTR | MDFLD_PWRGT_DISPLAY_B_CNTR | MDFLD_PWRGT_DISPLAY_C_CNTR | MDFLD_PWRGT_DISP_MIPI_CNTR) /* 0x000fc00c */
-/* Display SSS register bits are different in A0 vs. B0 */
-#define PSB_PWRGT_GFX_MASK		0x3
-#define MDFLD_PWRGT_DISPLAY_A_STS	0x000000c0
-#define MDFLD_PWRGT_DISPLAY_B_STS	0x00000300
-#define MDFLD_PWRGT_DISPLAY_C_STS	0x00000c00
-#define PSB_PWRGT_GFX_MASK_B0		0xc3
-#define MDFLD_PWRGT_DISPLAY_A_STS_B0	0x0000000c
-#define MDFLD_PWRGT_DISPLAY_B_STS_B0	0x0000c000
-#define MDFLD_PWRGT_DISPLAY_C_STS_B0	0x00030000
-#define MDFLD_PWRGT_DISP_MIPI_STS	0x000c0000
-#define MDFLD_PWRGT_DISPLAY_STS_A0    (MDFLD_PWRGT_DISPLAY_A_STS | MDFLD_PWRGT_DISPLAY_B_STS | MDFLD_PWRGT_DISPLAY_C_STS | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */
-#define MDFLD_PWRGT_DISPLAY_STS_B0    (MDFLD_PWRGT_DISPLAY_A_STS_B0 | MDFLD_PWRGT_DISPLAY_B_STS_B0 | MDFLD_PWRGT_DISPLAY_C_STS_B0 | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */
-#endif
diff --git a/drivers/staging/media/go7007/go7007-usb.c b/drivers/staging/media/go7007/go7007-usb.c
index 70e006b50f29..5443e25086e9 100644
--- a/drivers/staging/media/go7007/go7007-usb.c
+++ b/drivers/staging/media/go7007/go7007-usb.c
@@ -1279,3 +1279,4 @@ static struct usb_driver go7007_usb_driver = {
 };
 
 module_usb_driver(go7007_usb_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/omapdrm/Makefile b/drivers/staging/omapdrm/Makefile
index 592cf69020cd..d9cdc120d122 100644
--- a/drivers/staging/omapdrm/Makefile
+++ b/drivers/staging/omapdrm/Makefile
@@ -7,6 +7,7 @@ ccflags-y := -Iinclude/drm -Werror
 omapdrm-y := omap_drv.o \
 	omap_debugfs.o \
 	omap_crtc.o \
+	omap_plane.o \
 	omap_encoder.o \
 	omap_connector.o \
 	omap_fb.o \
diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c
index cffdf5e12394..17ca163e5896 100644
--- a/drivers/staging/omapdrm/omap_crtc.c
+++ b/drivers/staging/omapdrm/omap_crtc.c
@@ -27,196 +27,95 @@
 
 struct omap_crtc {
 	struct drm_crtc base;
-	struct omap_overlay *ovl;
-	struct omap_overlay_info info;
+	struct drm_plane *plane;
+	const char *name;
 	int id;
 
-	/* if there is a pending flip, this will be non-null: */
+	/* if there is a pending flip, these will be non-null: */
 	struct drm_pending_vblank_event *event;
+	struct drm_framebuffer *old_fb;
 };
 
-/* push changes down to dss2 */
-static int commit(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	struct omap_overlay *ovl = omap_crtc->ovl;
-	struct omap_overlay_info *info = &omap_crtc->info;
-	int ret;
-
-	DBG("%s", omap_crtc->ovl->name);
-	DBG("%dx%d -> %dx%d (%d)", info->width, info->height, info->out_width,
-			info->out_height, info->screen_width);
-	DBG("%d,%d %08x", info->pos_x, info->pos_y, info->paddr);
-
-	/* NOTE: do we want to do this at all here, or just wait
-	 * for dpms(ON) since other CRTC's may not have their mode
-	 * set yet, so fb dimensions may still change..
-	 */
-	ret = ovl->set_overlay_info(ovl, info);
-	if (ret) {
-		dev_err(dev->dev, "could not set overlay info\n");
-		return ret;
-	}
-
-	/* our encoder doesn't necessarily get a commit() after this, in
-	 * particular in the dpms() and mode_set_base() cases, so force the
-	 * manager to update:
-	 *
-	 * could this be in the encoder somehow?
-	 */
-	if (ovl->manager) {
-		ret = ovl->manager->apply(ovl->manager);
-		if (ret) {
-			dev_err(dev->dev, "could not apply settings\n");
-			return ret;
-		}
-	}
-
-	if (info->enabled) {
-		omap_framebuffer_flush(crtc->fb, crtc->x, crtc->y,
-				crtc->fb->width, crtc->fb->height);
-	}
-
-	return 0;
-}
-
-/* update parameters that are dependent on the framebuffer dimensions and
- * position within the fb that this crtc scans out from. This is called
- * when framebuffer dimensions or x,y base may have changed, either due
- * to our mode, or a change in another crtc that is scanning out of the
- * same fb.
- */
-static void update_scanout(struct drm_crtc *crtc)
-{
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	dma_addr_t paddr;
-	unsigned int screen_width;
-
-	omap_framebuffer_get_buffer(crtc->fb, crtc->x, crtc->y,
-			NULL, &paddr, &screen_width);
-
-	DBG("%s: %d,%d: %08x (%d)", omap_crtc->ovl->name,
-			crtc->x, crtc->y, (u32)paddr, screen_width);
-
-	omap_crtc->info.paddr = paddr;
-	omap_crtc->info.screen_width = screen_width;
-}
-
 static void omap_crtc_gamma_set(struct drm_crtc *crtc,
 		u16 *red, u16 *green, u16 *blue, uint32_t start, uint32_t size)
 {
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	DBG("%s", omap_crtc->ovl->name);
+	/* not supported.. at least not yet */
 }
 
 static void omap_crtc_destroy(struct drm_crtc *crtc)
 {
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	DBG("%s", omap_crtc->ovl->name);
+	omap_crtc->plane->funcs->destroy(omap_crtc->plane);
 	drm_crtc_cleanup(crtc);
 	kfree(omap_crtc);
 }
 
 static void omap_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
+	struct omap_drm_private *priv = crtc->dev->dev_private;
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+	int i;
 
-	DBG("%s: %d", omap_crtc->ovl->name, mode);
+	WARN_ON(omap_plane_dpms(omap_crtc->plane, mode));
 
-	if (mode == DRM_MODE_DPMS_ON) {
-		update_scanout(crtc);
-		omap_crtc->info.enabled = true;
-	} else {
-		omap_crtc->info.enabled = false;
+	for (i = 0; i < priv->num_planes; i++) {
+		struct drm_plane *plane = priv->planes[i];
+		if (plane->crtc == crtc)
+			WARN_ON(omap_plane_dpms(plane, mode));
 	}
-
-	WARN_ON(commit(crtc));
 }
 
 static bool omap_crtc_mode_fixup(struct drm_crtc *crtc,
-				  struct drm_display_mode *mode,
-				  struct drm_display_mode *adjusted_mode)
+		struct drm_display_mode *mode,
+		struct drm_display_mode *adjusted_mode)
 {
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	DBG("%s", omap_crtc->ovl->name);
 	return true;
 }
 
 static int omap_crtc_mode_set(struct drm_crtc *crtc,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode,
-			       int x, int y,
-			       struct drm_framebuffer *old_fb)
+		struct drm_display_mode *mode,
+		struct drm_display_mode *adjusted_mode,
+		int x, int y,
+		struct drm_framebuffer *old_fb)
 {
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+	struct drm_plane *plane = omap_crtc->plane;
 
-	DBG("%s: %d,%d: %dx%d", omap_crtc->ovl->name, x, y,
-			mode->hdisplay, mode->vdisplay);
-
-	/* just use adjusted mode */
-	mode = adjusted_mode;
-
-	omap_crtc->info.width = mode->hdisplay;
-	omap_crtc->info.height = mode->vdisplay;
-	omap_crtc->info.out_width = mode->hdisplay;
-	omap_crtc->info.out_height = mode->vdisplay;
-	omap_crtc->info.color_mode = OMAP_DSS_COLOR_RGB24U;
-	omap_crtc->info.rotation_type = OMAP_DSS_ROT_DMA;
-	omap_crtc->info.rotation = OMAP_DSS_ROT_0;
-	omap_crtc->info.global_alpha = 0xff;
-	omap_crtc->info.mirror = 0;
-	omap_crtc->info.mirror = 0;
-	omap_crtc->info.pos_x = 0;
-	omap_crtc->info.pos_y = 0;
-#if 0 /* re-enable when these are available in DSS2 driver */
-	omap_crtc->info.zorder = 3;        /* GUI in the front, video behind */
-	omap_crtc->info.min_x_decim = 1;
-	omap_crtc->info.max_x_decim = 1;
-	omap_crtc->info.min_y_decim = 1;
-	omap_crtc->info.max_y_decim = 1;
-#endif
-
-	update_scanout(crtc);
-
-	return 0;
+	return omap_plane_mode_set(plane, crtc, crtc->fb,
+			0, 0, mode->hdisplay, mode->vdisplay,
+			x << 16, y << 16,
+			mode->hdisplay << 16, mode->vdisplay << 16);
 }
 
 static void omap_crtc_prepare(struct drm_crtc *crtc)
 {
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	struct omap_overlay *ovl = omap_crtc->ovl;
-
-	DBG("%s", omap_crtc->ovl->name);
-
-	ovl->get_overlay_info(ovl, &omap_crtc->info);
-
+	DBG("%s", omap_crtc->name);
 	omap_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
 }
 
 static void omap_crtc_commit(struct drm_crtc *crtc)
 {
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	DBG("%s", omap_crtc->ovl->name);
+	DBG("%s", omap_crtc->name);
 	omap_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
 }
 
 static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
-		    struct drm_framebuffer *old_fb)
+		struct drm_framebuffer *old_fb)
 {
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+	struct drm_plane *plane = omap_crtc->plane;
+	struct drm_display_mode *mode = &crtc->mode;
 
-	DBG("%s %d,%d: fb=%p", omap_crtc->ovl->name, x, y, old_fb);
-
-	update_scanout(crtc);
-
-	return commit(crtc);
+	return plane->funcs->update_plane(plane, crtc, crtc->fb,
+			0, 0, mode->hdisplay, mode->vdisplay,
+			x << 16, y << 16,
+			mode->hdisplay << 16, mode->vdisplay << 16);
 }
 
 static void omap_crtc_load_lut(struct drm_crtc *crtc)
 {
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	DBG("%s", omap_crtc->ovl->name);
 }
 
 static void page_flip_cb(void *arg)
@@ -225,15 +124,16 @@ static void page_flip_cb(void *arg)
 	struct drm_device *dev = crtc->dev;
 	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
 	struct drm_pending_vblank_event *event = omap_crtc->event;
+	struct drm_framebuffer *old_fb = omap_crtc->old_fb;
 	struct timeval now;
 	unsigned long flags;
 
 	WARN_ON(!event);
 
 	omap_crtc->event = NULL;
+	omap_crtc->old_fb = NULL;
 
-	update_scanout(crtc);
-	WARN_ON(commit(crtc));
+	omap_crtc_mode_set_base(crtc, crtc->x, crtc->y, old_fb);
 
 	/* wakeup userspace */
 	/* TODO: this should happen *after* flip in vsync IRQ handler */
@@ -264,10 +164,11 @@ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc,
 		return -EINVAL;
 	}
 
-	crtc->fb = fb;
+	omap_crtc->old_fb = crtc->fb;
 	omap_crtc->event = event;
+	crtc->fb = fb;
 
-	omap_gem_op_async(omap_framebuffer_bo(fb), OMAP_GEM_READ,
+	omap_gem_op_async(omap_framebuffer_bo(fb, 0), OMAP_GEM_READ,
 			page_flip_cb, crtc);
 
 	return 0;
@@ -290,12 +191,6 @@ static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = {
 	.load_lut = omap_crtc_load_lut,
 };
 
-struct omap_overlay *omap_crtc_get_overlay(struct drm_crtc *crtc)
-{
-	struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-	return omap_crtc->ovl;
-}
-
 /* initialize crtc */
 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
 		struct omap_overlay *ovl, int id)
@@ -310,9 +205,13 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
 		goto fail;
 	}
 
-	omap_crtc->ovl = ovl;
-	omap_crtc->id = id;
 	crtc = &omap_crtc->base;
+
+	omap_crtc->plane = omap_plane_init(dev, ovl, (1 << id), true);
+	omap_crtc->plane->crtc = crtc;
+	omap_crtc->name = ovl->name;
+	omap_crtc->id = id;
+
 	drm_crtc_init(dev, crtc, &omap_crtc_funcs);
 	drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs);
 
diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c
index 602aa2dd49c8..3bbea9aac404 100644
--- a/drivers/staging/omapdrm/omap_drv.c
+++ b/drivers/staging/omapdrm/omap_drv.c
@@ -204,12 +204,6 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl,
 	struct omap_overlay_manager *mgr = NULL;
 	struct drm_crtc *crtc;
 
-	if (ovl->manager) {
-		DBG("disconnecting %s from %s", ovl->name,
-					ovl->manager->name);
-		ovl->unset_manager(ovl);
-	}
-
 	/* find next best connector, ones with detected connection first
 	 */
 	while (*j < priv->num_connectors && !mgr) {
@@ -245,11 +239,6 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl,
 		(*j)++;
 	}
 
-	if (mgr) {
-		DBG("connecting %s to %s", ovl->name, mgr->name);
-		ovl->set_manager(ovl, mgr);
-	}
-
 	crtc = omap_crtc_init(dev, ovl, priv->num_crtcs);
 
 	if (!crtc) {
@@ -265,6 +254,26 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl,
 	return 0;
 }
 
+static int create_plane(struct drm_device *dev, struct omap_overlay *ovl,
+		unsigned int possible_crtcs)
+{
+	struct omap_drm_private *priv = dev->dev_private;
+	struct drm_plane *plane =
+			omap_plane_init(dev, ovl, possible_crtcs, false);
+
+	if (!plane) {
+		dev_err(dev->dev, "could not create plane: %s\n",
+				ovl->name);
+		return -ENOMEM;
+	}
+
+	BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes));
+
+	priv->planes[priv->num_planes++] = plane;
+
+	return 0;
+}
+
 static int match_dev_name(struct omap_dss_device *dssdev, void *data)
 {
 	return !strcmp(dssdev->name, data);
@@ -332,6 +341,12 @@ static int omap_modeset_init(struct drm_device *dev)
 				omap_dss_get_overlay(kms_pdata->ovl_ids[i]);
 			create_crtc(dev, ovl, &j, connected_connectors);
 		}
+
+		for (i = 0; i < kms_pdata->pln_cnt; i++) {
+			struct omap_overlay *ovl =
+				omap_dss_get_overlay(kms_pdata->pln_ids[i]);
+			create_plane(dev, ovl, (1 << priv->num_crtcs) - 1);
+		}
 	} else {
 		/* otherwise just grab up to CONFIG_DRM_OMAP_NUM_CRTCS and try
 		 * to make educated guesses about everything else
@@ -353,6 +368,12 @@ static int omap_modeset_init(struct drm_device *dev)
 			create_crtc(dev, omap_dss_get_overlay(i),
 					&j, connected_connectors);
 		}
+
+		/* use any remaining overlays as drm planes */
+		for (; i < omap_dss_get_num_overlays(); i++) {
+			struct omap_overlay *ovl = omap_dss_get_overlay(i);
+			create_plane(dev, ovl, (1 << priv->num_crtcs) - 1);
+		}
 	}
 
 	/* for now keep the mapping of CRTCs and encoders static.. */
@@ -361,15 +382,7 @@ static int omap_modeset_init(struct drm_device *dev)
 		struct omap_overlay_manager *mgr =
 				omap_encoder_get_manager(encoder);
 
-		encoder->possible_crtcs = 0;
-
-		for (j = 0; j < priv->num_crtcs; j++) {
-			struct omap_overlay *ovl =
-					omap_crtc_get_overlay(priv->crtcs[j]);
-			if (ovl->manager == mgr) {
-				encoder->possible_crtcs |= (1 << j);
-			}
-		}
+		encoder->possible_crtcs = (1 << priv->num_crtcs) - 1;
 
 		DBG("%s: possible_crtcs=%08x", mgr->name,
 					encoder->possible_crtcs);
@@ -377,8 +390,8 @@ static int omap_modeset_init(struct drm_device *dev)
 
 	dump_video_chains();
 
-	dev->mode_config.min_width = 256;
-	dev->mode_config.min_height = 256;
+	dev->mode_config.min_width = 32;
+	dev->mode_config.min_height = 32;
 
 	/* note: eventually will need some cpu_is_omapXYZ() type stuff here
 	 * to fill in these limits properly on different OMAP generations..
@@ -708,6 +721,18 @@ static struct vm_operations_struct omap_gem_vm_ops = {
 	.close = drm_gem_vm_close,
 };
 
+static const struct file_operations omapdriver_fops = {
+		.owner = THIS_MODULE,
+		.open = drm_open,
+		.unlocked_ioctl = drm_ioctl,
+		.release = drm_release,
+		.mmap = omap_gem_mmap,
+		.poll = drm_poll,
+		.fasync = drm_fasync,
+		.read = drm_read,
+		.llseek = noop_llseek,
+};
+
 static struct drm_driver omap_drm_driver = {
 		.driver_features =
 				DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM,
@@ -738,17 +763,7 @@ static struct drm_driver omap_drm_driver = {
 		.dumb_destroy = omap_gem_dumb_destroy,
 		.ioctls = ioctls,
 		.num_ioctls = DRM_OMAP_NUM_IOCTLS,
-		.fops = {
-				.owner = THIS_MODULE,
-				.open = drm_open,
-				.unlocked_ioctl = drm_ioctl,
-				.release = drm_release,
-				.mmap = omap_gem_mmap,
-				.poll = drm_poll,
-				.fasync = drm_fasync,
-				.read = drm_read,
-				.llseek = noop_llseek,
-		},
+		.fops = &omapdriver_fops,
 		.name = DRIVER_NAME,
 		.desc = DRIVER_DESC,
 		.date = DRIVER_DATE,
diff --git a/drivers/staging/omapdrm/omap_drv.h b/drivers/staging/omapdrm/omap_drv.h
index 76c42515ecc5..61fe022dda5b 100644
--- a/drivers/staging/omapdrm/omap_drv.h
+++ b/drivers/staging/omapdrm/omap_drv.h
@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
 #include "omap_drm.h"
 #include "omap_priv.h"
 
@@ -41,6 +42,8 @@
 struct omap_drm_private {
 	unsigned int num_crtcs;
 	struct drm_crtc *crtcs[8];
+	unsigned int num_planes;
+	struct drm_plane *planes[8];
 	unsigned int num_encoders;
 	struct drm_encoder *encoders[8];
 	unsigned int num_connectors;
@@ -61,7 +64,17 @@ void omap_fbdev_free(struct drm_device *dev);
 
 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
 		struct omap_overlay *ovl, int id);
-struct omap_overlay *omap_crtc_get_overlay(struct drm_crtc *crtc);
+
+struct drm_plane *omap_plane_init(struct drm_device *dev,
+		struct omap_overlay *ovl, unsigned int possible_crtcs,
+		bool priv);
+int omap_plane_dpms(struct drm_plane *plane, int mode);
+int omap_plane_mode_set(struct drm_plane *plane,
+		struct drm_crtc *crtc, struct drm_framebuffer *fb,
+		int crtc_x, int crtc_y,
+		unsigned int crtc_w, unsigned int crtc_h,
+		uint32_t src_x, uint32_t src_y,
+		uint32_t src_w, uint32_t src_h);
 
 struct drm_encoder *omap_encoder_init(struct drm_device *dev,
 		struct omap_overlay_manager *mgr);
@@ -80,12 +93,14 @@ void omap_connector_flush(struct drm_connector *connector,
 		int x, int y, int w, int h);
 
 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
-		struct drm_file *file, struct drm_mode_fb_cmd *mode_cmd);
+		struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd);
 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
-		struct drm_mode_fb_cmd *mode_cmd, struct drm_gem_object *bo);
-struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb);
-int omap_framebuffer_get_buffer(struct drm_framebuffer *fb, int x, int y,
-		void **vaddr, dma_addr_t *paddr, unsigned int *screen_width);
+		struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
+struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p);
+int omap_framebuffer_pin(struct drm_framebuffer *fb);
+void omap_framebuffer_unpin(struct drm_framebuffer *fb);
+void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y,
+		struct omap_overlay_info *info);
 struct drm_connector *omap_framebuffer_get_next_connector(
 		struct drm_framebuffer *fb, struct drm_connector *from);
 void omap_framebuffer_flush(struct drm_framebuffer *fb,
@@ -132,4 +147,29 @@ static inline int align_pitch(int pitch, int width, int bpp)
 	return ALIGN(pitch, 8 * bytespp);
 }
 
+/* should these be made into common util helpers?
+ */
+
+static inline int objects_lookup(struct drm_device *dev,
+		struct drm_file *filp, uint32_t pixel_format,
+		struct drm_gem_object **bos, uint32_t *handles)
+{
+	int i, n = drm_format_num_planes(pixel_format);
+
+	for (i = 0; i < n; i++) {
+		bos[i] = drm_gem_object_lookup(dev, filp, handles[i]);
+		if (!bos[i]) {
+			goto fail;
+		}
+	}
+
+	return 0;
+
+fail:
+	while (--i > 0) {
+		drm_gem_object_unreference_unlocked(bos[i]);
+	}
+	return -ENOENT;
+}
+
 #endif /* __OMAP_DRV_H__ */
diff --git a/drivers/staging/omapdrm/omap_fb.c b/drivers/staging/omapdrm/omap_fb.c
index 0b50c5b3b564..d021a7ec58df 100644
--- a/drivers/staging/omapdrm/omap_fb.c
+++ b/drivers/staging/omapdrm/omap_fb.c
@@ -22,18 +22,57 @@
 #include "drm_crtc.h"
 #include "drm_crtc_helper.h"
 
-
 /*
  * framebuffer funcs
  */
 
+/* per-format info: */
+struct format {
+	enum omap_color_mode dss_format;
+	uint32_t pixel_format;
+	struct {
+		int stride_bpp;           /* this times width is stride */
+		int sub_y;                /* sub-sample in y dimension */
+	} planes[4];
+	bool yuv;
+};
+
+static const struct format formats[] = {
+	/* 16bpp [A]RGB: */
+	{ OMAP_DSS_COLOR_RGB16,       DRM_FORMAT_RGB565,   {{2, 1}}, false }, /* RGB16-565 */
+	{ OMAP_DSS_COLOR_RGB12U,      DRM_FORMAT_RGBX4444, {{2, 1}}, false }, /* RGB12x-4444 */
+	{ OMAP_DSS_COLOR_RGBX16,      DRM_FORMAT_XRGB4444, {{2, 1}}, false }, /* xRGB12-4444 */
+	{ OMAP_DSS_COLOR_RGBA16,      DRM_FORMAT_RGBA4444, {{2, 1}}, false }, /* RGBA12-4444 */
+	{ OMAP_DSS_COLOR_ARGB16,      DRM_FORMAT_ARGB4444, {{2, 1}}, false }, /* ARGB16-4444 */
+	{ OMAP_DSS_COLOR_XRGB16_1555, DRM_FORMAT_XRGB1555, {{2, 1}}, false }, /* xRGB15-1555 */
+	{ OMAP_DSS_COLOR_ARGB16_1555, DRM_FORMAT_ARGB1555, {{2, 1}}, false }, /* ARGB16-1555 */
+	/* 24bpp RGB: */
+	{ OMAP_DSS_COLOR_RGB24P,      DRM_FORMAT_RGB888,   {{3, 1}}, false }, /* RGB24-888 */
+	/* 32bpp [A]RGB: */
+	{ OMAP_DSS_COLOR_RGBX32,      DRM_FORMAT_RGBX8888, {{4, 1}}, false }, /* RGBx24-8888 */
+	{ OMAP_DSS_COLOR_RGB24U,      DRM_FORMAT_XRGB8888, {{4, 1}}, false }, /* xRGB24-8888 */
+	{ OMAP_DSS_COLOR_RGBA32,      DRM_FORMAT_RGBA8888, {{4, 1}}, false }, /* RGBA32-8888 */
+	{ OMAP_DSS_COLOR_ARGB32,      DRM_FORMAT_ARGB8888, {{4, 1}}, false }, /* ARGB32-8888 */
+	/* YUV: */
+	{ OMAP_DSS_COLOR_NV12,        DRM_FORMAT_NV12,     {{1, 1}, {1, 2}}, true },
+	{ OMAP_DSS_COLOR_YUV2,        DRM_FORMAT_YUYV,     {{2, 1}}, true },
+	{ OMAP_DSS_COLOR_UYVY,        DRM_FORMAT_UYVY,     {{2, 1}}, true },
+};
+
+/* per-plane info for the fb: */
+struct plane {
+	struct drm_gem_object *bo;
+	uint32_t pitch;
+	uint32_t offset;
+	dma_addr_t paddr;
+};
+
 #define to_omap_framebuffer(x) container_of(x, struct omap_framebuffer, base)
 
 struct omap_framebuffer {
 	struct drm_framebuffer base;
-	struct drm_gem_object *bo;
-	int size;
-	dma_addr_t paddr;
+	const struct format *format;
+	struct plane planes[4];
 };
 
 static int omap_framebuffer_create_handle(struct drm_framebuffer *fb,
@@ -41,22 +80,23 @@ static int omap_framebuffer_create_handle(struct drm_framebuffer *fb,
 		unsigned int *handle)
 {
 	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
-    return drm_gem_handle_create(file_priv, omap_fb->bo, handle);
+	return drm_gem_handle_create(file_priv,
+			omap_fb->planes[0].bo, handle);
 }
 
 static void omap_framebuffer_destroy(struct drm_framebuffer *fb)
 {
-	struct drm_device *dev = fb->dev;
 	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
+	int i, n = drm_format_num_planes(omap_fb->format->pixel_format);
 
 	DBG("destroy: FB ID: %d (%p)", fb->base.id, fb);
 
 	drm_framebuffer_cleanup(fb);
 
-	if (omap_fb->bo) {
-		if (omap_fb->paddr && omap_gem_put_paddr(omap_fb->bo))
-			dev_err(dev->dev, "could not unmap!\n");
-		drm_gem_object_unreference_unlocked(omap_fb->bo);
+	for (i = 0; i < n; i++) {
+		struct plane *plane = &omap_fb->planes[i];
+		if (plane->bo)
+			drm_gem_object_unreference_unlocked(plane->bo);
 	}
 
 	kfree(omap_fb);
@@ -83,37 +123,76 @@ static const struct drm_framebuffer_funcs omap_framebuffer_funcs = {
 	.dirty = omap_framebuffer_dirty,
 };
 
-/* returns the buffer size */
-int omap_framebuffer_get_buffer(struct drm_framebuffer *fb, int x, int y,
-		void **vaddr, dma_addr_t *paddr, unsigned int *screen_width)
+/* pins buffer in preparation for scanout */
+int omap_framebuffer_pin(struct drm_framebuffer *fb)
 {
 	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
-	int bpp = fb->bits_per_pixel / 8;
-	unsigned long offset;
+	int ret, i, n = drm_format_num_planes(omap_fb->format->pixel_format);
 
-	offset = (x * bpp) + (y * fb->pitch);
+	for (i = 0; i < n; i++) {
+		struct plane *plane = &omap_fb->planes[i];
+		ret = omap_gem_get_paddr(plane->bo, &plane->paddr, true);
+		if (ret)
+			goto fail;
+	}
 
-	if (vaddr) {
-		void *bo_vaddr = omap_gem_vaddr(omap_fb->bo);
-		/* note: we can only count on having a vaddr for buffers that
-		 * are allocated physically contiguously to begin with (ie.
-		 * dma_alloc_coherent()).  But this should be ok because it
-		 * is only used by legacy fbdev
-		 */
-		BUG_ON(IS_ERR_OR_NULL(bo_vaddr));
-		*vaddr = bo_vaddr + offset;
+	return 0;
+
+fail:
+	while (--i > 0) {
+		struct plane *plane = &omap_fb->planes[i];
+		omap_gem_put_paddr(plane->bo);
 	}
+	return ret;
+}
 
-	*paddr = omap_fb->paddr + offset;
-	*screen_width = fb->pitch / bpp;
+/* releases buffer when done with scanout */
+void omap_framebuffer_unpin(struct drm_framebuffer *fb)
+{
+	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
+	int i, n = drm_format_num_planes(omap_fb->format->pixel_format);
 
-	return omap_fb->size - offset;
+	for (i = 0; i < n; i++) {
+		struct plane *plane = &omap_fb->planes[i];
+		omap_gem_put_paddr(plane->bo);
+	}
 }
 
-struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb)
+/* update ovl info for scanout, handles cases of multi-planar fb's, etc.
+ */
+void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y,
+		struct omap_overlay_info *info)
 {
 	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
-	return omap_fb->bo;
+	const struct format *format = omap_fb->format;
+	struct plane *plane = &omap_fb->planes[0];
+	unsigned int offset;
+
+	offset = plane->offset +
+			(x * format->planes[0].stride_bpp) +
+			(y * plane->pitch / format->planes[0].sub_y);
+
+	info->color_mode   = format->dss_format;
+	info->paddr        = plane->paddr + offset;
+	info->screen_width = plane->pitch / format->planes[0].stride_bpp;
+
+	if (format->dss_format == OMAP_DSS_COLOR_NV12) {
+		plane = &omap_fb->planes[1];
+		offset = plane->offset +
+				(x * format->planes[1].stride_bpp) +
+				(y * plane->pitch / format->planes[1].sub_y);
+		info->p_uv_addr = plane->paddr + offset;
+	} else {
+		info->p_uv_addr = 0;
+	}
+}
+
+struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p)
+{
+	struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
+	if (p >= drm_format_num_planes(omap_fb->format->pixel_format))
+		return NULL;
+	return omap_fb->planes[p].bo;
 }
 
 /* iterate thru all the connectors, returning ones that are attached
@@ -171,39 +250,57 @@ void omap_framebuffer_flush(struct drm_framebuffer *fb,
 }
 
 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
-		struct drm_file *file, struct drm_mode_fb_cmd *mode_cmd)
+		struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd)
 {
-	struct drm_gem_object *bo;
+	struct drm_gem_object *bos[4];
 	struct drm_framebuffer *fb;
-	bo = drm_gem_object_lookup(dev, file, mode_cmd->handle);
-	if (!bo) {
-		return ERR_PTR(-ENOENT);
-	}
-	fb = omap_framebuffer_init(dev, mode_cmd, bo);
-	if (!fb) {
-		return ERR_PTR(-ENOMEM);
+	int ret;
+
+	ret = objects_lookup(dev, file, mode_cmd->pixel_format,
+			bos, mode_cmd->handles);
+	if (ret)
+		return ERR_PTR(ret);
+
+	fb = omap_framebuffer_init(dev, mode_cmd, bos);
+	if (IS_ERR(fb)) {
+		int i, n = drm_format_num_planes(mode_cmd->pixel_format);
+		for (i = 0; i < n; i++)
+			drm_gem_object_unreference_unlocked(bos[i]);
+		return fb;
 	}
 	return fb;
 }
 
 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
-		struct drm_mode_fb_cmd *mode_cmd, struct drm_gem_object *bo)
+		struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos)
 {
 	struct omap_framebuffer *omap_fb;
 	struct drm_framebuffer *fb = NULL;
-	int size, ret;
+	const struct format *format = NULL;
+	int ret, i, n = drm_format_num_planes(mode_cmd->pixel_format);
 
-	DBG("create framebuffer: dev=%p, mode_cmd=%p (%dx%d@%d)",
+	DBG("create framebuffer: dev=%p, mode_cmd=%p (%dx%d@%4.4s)",
 			dev, mode_cmd, mode_cmd->width, mode_cmd->height,
-			mode_cmd->bpp);
+			(char *)&mode_cmd->pixel_format);
+
+	for (i = 0; i < ARRAY_SIZE(formats); i++) {
+		if (formats[i].pixel_format == mode_cmd->pixel_format) {
+			format = &formats[i];
+			break;
+		}
+	}
 
-	/* in case someone tries to feed us a completely bogus stride: */
-	mode_cmd->pitch = align_pitch(mode_cmd->pitch,
-			mode_cmd->width, mode_cmd->bpp);
+	if (!format) {
+		dev_err(dev->dev, "unsupported pixel format: %4.4s\n",
+				(char *)&mode_cmd->pixel_format);
+		ret = -EINVAL;
+		goto fail;
+	}
 
 	omap_fb = kzalloc(sizeof(*omap_fb), GFP_KERNEL);
 	if (!omap_fb) {
 		dev_err(dev->dev, "could not allocate fb\n");
+		ret = -ENOMEM;
 		goto fail;
 	}
 
@@ -216,19 +313,32 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
 
 	DBG("create: FB ID: %d (%p)", fb->base.id, fb);
 
-	size = PAGE_ALIGN(mode_cmd->pitch * mode_cmd->height);
+	omap_fb->format = format;
 
-	if (size > bo->size) {
-		dev_err(dev->dev, "provided buffer object is too small!\n");
-		goto fail;
-	}
+	for (i = 0; i < n; i++) {
+		struct plane *plane = &omap_fb->planes[i];
+		int size, pitch = mode_cmd->pitches[i];
+
+		if (pitch < (mode_cmd->width * format->planes[i].stride_bpp)) {
+			dev_err(dev->dev, "provided buffer pitch is too small! %d < %d\n",
+					pitch, mode_cmd->width * format->planes[i].stride_bpp);
+			ret = -EINVAL;
+			goto fail;
+		}
 
-	omap_fb->bo = bo;
-	omap_fb->size = size;
+		size = pitch * mode_cmd->height / format->planes[i].sub_y;
 
-	if (omap_gem_get_paddr(bo, &omap_fb->paddr, true)) {
-		dev_err(dev->dev, "could not map (paddr)!\n");
-		goto fail;
+		if (size > (bos[i]->size - mode_cmd->offsets[i])) {
+			dev_err(dev->dev, "provided buffer object is too small! %d < %d\n",
+					bos[i]->size - mode_cmd->offsets[i], size);
+			ret = -EINVAL;
+			goto fail;
+		}
+
+		plane->bo     = bos[i];
+		plane->offset = mode_cmd->offsets[i];
+		plane->pitch  = mode_cmd->pitches[i];
+		plane->paddr  = pitch;
 	}
 
 	drm_helper_mode_fill_fb_struct(fb, mode_cmd);
@@ -239,5 +349,5 @@ fail:
 	if (fb) {
 		omap_framebuffer_destroy(fb);
 	}
-	return NULL;
+	return ERR_PTR(ret);
 }
diff --git a/drivers/staging/omapdrm/omap_fbdev.c b/drivers/staging/omapdrm/omap_fbdev.c
index 093ae2f87b20..96940bbfc6f4 100644
--- a/drivers/staging/omapdrm/omap_fbdev.c
+++ b/drivers/staging/omapdrm/omap_fbdev.c
@@ -129,10 +129,8 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
 	struct drm_framebuffer *fb = NULL;
 	union omap_gem_size gsize;
 	struct fb_info *fbi = NULL;
-	struct drm_mode_fb_cmd mode_cmd = {0};
+	struct drm_mode_fb_cmd2 mode_cmd = {0};
 	dma_addr_t paddr;
-	void __iomem *vaddr;
-	int size, screen_width;
 	int ret;
 
 	/* only doing ARGB32 since this is what is needed to alpha-blend
@@ -145,36 +143,56 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
 			sizes->surface_height, sizes->surface_bpp,
 			sizes->fb_width, sizes->fb_height);
 
+	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
+			sizes->surface_depth);
+
 	mode_cmd.width = sizes->surface_width;
 	mode_cmd.height = sizes->surface_height;
 
-	mode_cmd.bpp = sizes->surface_bpp;
-	mode_cmd.depth = sizes->surface_depth;
-
-	mode_cmd.pitch = align_pitch(
-			mode_cmd.width * ((mode_cmd.bpp + 7) / 8),
-			mode_cmd.width, mode_cmd.bpp);
+	mode_cmd.pitches[0] = align_pitch(
+			mode_cmd.width * ((sizes->surface_bpp + 7) / 8),
+			mode_cmd.width, sizes->surface_bpp);
 
 	fbdev->ywrap_enabled = priv->has_dmm && ywrap_enabled;
 	if (fbdev->ywrap_enabled) {
 		/* need to align pitch to page size if using DMM scrolling */
-		mode_cmd.pitch = ALIGN(mode_cmd.pitch, PAGE_SIZE);
+		mode_cmd.pitches[0] = ALIGN(mode_cmd.pitches[0], PAGE_SIZE);
 	}
 
 	/* allocate backing bo */
 	gsize = (union omap_gem_size){
-		.bytes = PAGE_ALIGN(mode_cmd.pitch * mode_cmd.height),
+		.bytes = PAGE_ALIGN(mode_cmd.pitches[0] * mode_cmd.height),
 	};
 	DBG("allocating %d bytes for fb %d", gsize.bytes, dev->primary->index);
 	fbdev->bo = omap_gem_new(dev, gsize, OMAP_BO_SCANOUT | OMAP_BO_WC);
 	if (!fbdev->bo) {
 		dev_err(dev->dev, "failed to allocate buffer object\n");
+		ret = -ENOMEM;
 		goto fail;
 	}
 
-	fb = omap_framebuffer_init(dev, &mode_cmd, fbdev->bo);
-	if (!fb) {
+	fb = omap_framebuffer_init(dev, &mode_cmd, &fbdev->bo);
+	if (IS_ERR(fb)) {
 		dev_err(dev->dev, "failed to allocate fb\n");
+		/* note: if fb creation failed, we can't rely on fb destroy
+		 * to unref the bo:
+		 */
+		drm_gem_object_unreference(fbdev->bo);
+		ret = PTR_ERR(fb);
+		goto fail;
+	}
+
+	/* note: this keeps the bo pinned.. which is perhaps not ideal,
+	 * but is needed as long as we use fb_mmap() to mmap to userspace
+	 * (since this happens using fix.smem_start).  Possibly we could
+	 * implement our own mmap using GEM mmap support to avoid this
+	 * (non-tiled buffer doesn't need to be pinned for fbcon to write
+	 * to it).  Then we just need to be sure that we are able to re-
+	 * pin it in case of an opps.
+	 */
+	ret = omap_gem_get_paddr(fbdev->bo, &paddr, true);
+	if (ret) {
+		dev_err(dev->dev, "could not map (paddr)!\n");
 		ret = -ENOMEM;
 		goto fail;
 	}
@@ -206,18 +224,15 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
 		goto fail_unlock;
 	}
 
-	drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth);
+	drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth);
 	drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height);
 
-	size = omap_framebuffer_get_buffer(fb, 0, 0,
-			&vaddr, &paddr, &screen_width);
-
 	dev->mode_config.fb_base = paddr;
 
-	fbi->screen_base = vaddr;
-	fbi->screen_size = size;
+	fbi->screen_base = omap_gem_vaddr(fbdev->bo);
+	fbi->screen_size = fbdev->bo->size;
 	fbi->fix.smem_start = paddr;
-	fbi->fix.smem_len = size;
+	fbi->fix.smem_len = fbdev->bo->size;
 
 	/* if we have DMM, then we can use it for scrolling by just
 	 * shuffling pages around in DMM rather than doing sw blit.
@@ -362,11 +377,11 @@ void omap_fbdev_free(struct drm_device *dev)
 
 	fbdev = to_omap_fbdev(priv->fbdev);
 
-	kfree(fbdev);
-
 	/* this will free the backing object */
 	if (fbdev->fb)
 		fbdev->fb->funcs->destroy(fbdev->fb);
 
+	kfree(fbdev);
+
 	priv->fbdev = NULL;
 }
diff --git a/drivers/staging/omapdrm/omap_gem.c b/drivers/staging/omapdrm/omap_gem.c
index e0ebd1d139f6..b7d6f886c5cf 100644
--- a/drivers/staging/omapdrm/omap_gem.c
+++ b/drivers/staging/omapdrm/omap_gem.c
@@ -116,6 +116,9 @@ struct omap_gem_object {
 	} *sync;
 };
 
+static int get_pages(struct drm_gem_object *obj, struct page ***pages);
+static uint64_t mmap_offset(struct drm_gem_object *obj);
+
 /* To deal with userspace mmap'ings of 2d tiled buffers, which (a) are
  * not necessarily pinned in TILER all the time, and (b) when they are
  * they are not necessarily page aligned, we reserve one or more small
@@ -149,7 +152,7 @@ static void evict_entry(struct drm_gem_object *obj,
 {
 	if (obj->dev->dev_mapping) {
 		size_t size = PAGE_SIZE * usergart[fmt].height;
-		loff_t off = omap_gem_mmap_offset(obj) +
+		loff_t off = mmap_offset(obj) +
 				(entry->obj_pgoff << PAGE_SHIFT);
 		unmap_mapping_range(obj->dev->dev_mapping, off, size, 1);
 	}
@@ -189,8 +192,6 @@ static inline bool is_shmem(struct drm_gem_object *obj)
 	return obj->filp != NULL;
 }
 
-static int get_pages(struct drm_gem_object *obj, struct page ***pages);
-
 static DEFINE_SPINLOCK(sync_lock);
 
 /** ensure backing pages are allocated */
@@ -251,7 +252,7 @@ static void omap_gem_detach_pages(struct drm_gem_object *obj)
 }
 
 /** get mmap offset */
-uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj)
+static uint64_t mmap_offset(struct drm_gem_object *obj)
 {
 	if (!obj->map_list.map) {
 		/* Make it mmapable */
@@ -267,6 +268,15 @@ uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj)
 	return (uint64_t)obj->map_list.hash.key << PAGE_SHIFT;
 }
 
+uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj)
+{
+	uint64_t offset;
+	mutex_lock(&obj->dev->struct_mutex);
+	offset = mmap_offset(obj);
+	mutex_unlock(&obj->dev->struct_mutex);
+	return offset;
+}
+
 /** get mmap size */
 size_t omap_gem_mmap_size(struct drm_gem_object *obj)
 {
@@ -1034,6 +1044,11 @@ void omap_gem_free_object(struct drm_gem_object *obj)
 		drm_gem_free_mmap_offset(obj);
 	}
 
+	/* this means the object is still pinned.. which really should
+	 * not happen.  I think..
+	 */
+	WARN_ON(omap_obj->paddr_cnt > 0);
+
 	/* don't free externally allocated backing memory */
 	if (!(omap_obj->flags & OMAP_BO_EXT_MEM)) {
 		if (omap_obj->pages) {
diff --git a/drivers/staging/omapdrm/omap_plane.c b/drivers/staging/omapdrm/omap_plane.c
new file mode 100644
index 000000000000..97909124a1fe
--- /dev/null
+++ b/drivers/staging/omapdrm/omap_plane.c
@@ -0,0 +1,344 @@
+/*
+ * drivers/staging/omapdrm/omap_plane.c
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Rob Clark <rob.clark@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "omap_drv.h"
+
+/* some hackery because omapdss has an 'enum omap_plane' (which would be
+ * better named omap_plane_id).. and compiler seems unhappy about having
+ * both a 'struct omap_plane' and 'enum omap_plane'
+ */
+#define omap_plane _omap_plane
+
+/*
+ * plane funcs
+ */
+
+#define to_omap_plane(x) container_of(x, struct omap_plane, base)
+
+struct omap_plane {
+	struct drm_plane base;
+	struct omap_overlay *ovl;
+	struct omap_overlay_info info;
+
+	/* Source values, converted to integers because we don't support
+	 * fractional positions:
+	 */
+	unsigned int src_x, src_y;
+
+	/* last fb that we pinned: */
+	struct drm_framebuffer *pinned_fb;
+};
+
+
+/* push changes down to dss2 */
+static int commit(struct drm_plane *plane)
+{
+	struct drm_device *dev = plane->dev;
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	struct omap_overlay *ovl = omap_plane->ovl;
+	struct omap_overlay_info *info = &omap_plane->info;
+	int ret;
+
+	DBG("%s", ovl->name);
+	DBG("%dx%d -> %dx%d (%d)", info->width, info->height, info->out_width,
+			info->out_height, info->screen_width);
+	DBG("%d,%d %08x %08x", info->pos_x, info->pos_y,
+			info->paddr, info->p_uv_addr);
+
+	/* NOTE: do we want to do this at all here, or just wait
+	 * for dpms(ON) since other CRTC's may not have their mode
+	 * set yet, so fb dimensions may still change..
+	 */
+	ret = ovl->set_overlay_info(ovl, info);
+	if (ret) {
+		dev_err(dev->dev, "could not set overlay info\n");
+		return ret;
+	}
+
+	/* our encoder doesn't necessarily get a commit() after this, in
+	 * particular in the dpms() and mode_set_base() cases, so force the
+	 * manager to update:
+	 *
+	 * could this be in the encoder somehow?
+	 */
+	if (ovl->manager) {
+		ret = ovl->manager->apply(ovl->manager);
+		if (ret) {
+			dev_err(dev->dev, "could not apply settings\n");
+			return ret;
+		}
+	}
+
+	if (ovl->is_enabled(ovl)) {
+		omap_framebuffer_flush(plane->fb, info->pos_x, info->pos_y,
+				info->out_width, info->out_height);
+	}
+
+	return 0;
+}
+
+/* when CRTC that we are attached to has potentially changed, this checks
+ * if we are attached to proper manager, and if necessary updates.
+ */
+static void update_manager(struct drm_plane *plane)
+{
+	struct omap_drm_private *priv = plane->dev->dev_private;
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	struct omap_overlay *ovl = omap_plane->ovl;
+	struct omap_overlay_manager *mgr = NULL;
+	int i;
+
+	if (plane->crtc) {
+		for (i = 0; i < priv->num_encoders; i++) {
+			struct drm_encoder *encoder = priv->encoders[i];
+			if (encoder->crtc == plane->crtc) {
+				mgr = omap_encoder_get_manager(encoder);
+				break;
+			}
+		}
+	}
+
+	if (ovl->manager != mgr) {
+		bool enabled = ovl->is_enabled(ovl);
+
+		/* don't switch things around with enabled overlays: */
+		if (enabled)
+			omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+
+		if (ovl->manager) {
+			DBG("disconnecting %s from %s", ovl->name,
+					ovl->manager->name);
+			ovl->unset_manager(ovl);
+		}
+
+		if (mgr) {
+			DBG("connecting %s to %s", ovl->name, mgr->name);
+			ovl->set_manager(ovl, mgr);
+		}
+
+		if (enabled && mgr)
+			omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
+	}
+}
+
+/* update which fb (if any) is pinned for scanout */
+static int update_pin(struct drm_plane *plane, struct drm_framebuffer *fb)
+{
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	int ret = 0;
+
+	if (omap_plane->pinned_fb != fb) {
+		if (omap_plane->pinned_fb)
+			omap_framebuffer_unpin(omap_plane->pinned_fb);
+		omap_plane->pinned_fb = fb;
+		if (fb)
+			ret = omap_framebuffer_pin(fb);
+	}
+
+	return ret;
+}
+
+/* update parameters that are dependent on the framebuffer dimensions and
+ * position within the fb that this plane scans out from. This is called
+ * when framebuffer or x,y base may have changed.
+ */
+static void update_scanout(struct drm_plane *plane)
+{
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	struct omap_overlay_info *info = &omap_plane->info;
+	int ret;
+
+	ret = update_pin(plane, plane->fb);
+	if (ret) {
+		dev_err(plane->dev->dev,
+			"could not pin fb: %d\n", ret);
+		omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+		return;
+	}
+
+	omap_framebuffer_update_scanout(plane->fb,
+			omap_plane->src_x, omap_plane->src_y, info);
+
+	DBG("%s: %d,%d: %08x %08x (%d)", omap_plane->ovl->name,
+			omap_plane->src_x, omap_plane->src_y,
+			(u32)info->paddr, (u32)info->p_uv_addr,
+			info->screen_width);
+}
+
+int omap_plane_mode_set(struct drm_plane *plane,
+		struct drm_crtc *crtc, struct drm_framebuffer *fb,
+		int crtc_x, int crtc_y,
+		unsigned int crtc_w, unsigned int crtc_h,
+		uint32_t src_x, uint32_t src_y,
+		uint32_t src_w, uint32_t src_h)
+{
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+
+	/* src values are in Q16 fixed point, convert to integer: */
+	src_x = src_x >> 16;
+	src_y = src_y >> 16;
+	src_w = src_w >> 16;
+	src_h = src_h >> 16;
+
+	omap_plane->info.pos_x = crtc_x;
+	omap_plane->info.pos_y = crtc_y;
+	omap_plane->info.out_width = crtc_w;
+	omap_plane->info.out_height = crtc_h;
+	omap_plane->info.width = src_w;
+	omap_plane->info.height = src_h;
+	omap_plane->src_x = src_x;
+	omap_plane->src_y = src_y;
+
+	/* note: this is done after this fxn returns.. but if we need
+	 * to do a commit/update_scanout, etc before this returns we
+	 * need the current value.
+	 */
+	plane->fb = fb;
+	plane->crtc = crtc;
+
+	update_scanout(plane);
+	update_manager(plane);
+
+	return 0;
+}
+
+static int omap_plane_update(struct drm_plane *plane,
+		struct drm_crtc *crtc, struct drm_framebuffer *fb,
+		int crtc_x, int crtc_y,
+		unsigned int crtc_w, unsigned int crtc_h,
+		uint32_t src_x, uint32_t src_y,
+		uint32_t src_w, uint32_t src_h)
+{
+	omap_plane_mode_set(plane, crtc, fb, crtc_x, crtc_y, crtc_w, crtc_h,
+			src_x, src_y, src_w, src_h);
+	return omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
+}
+
+static int omap_plane_disable(struct drm_plane *plane)
+{
+	return omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+}
+
+static void omap_plane_destroy(struct drm_plane *plane)
+{
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	DBG("%s", omap_plane->ovl->name);
+	omap_plane_disable(plane);
+	drm_plane_cleanup(plane);
+	kfree(omap_plane);
+}
+
+int omap_plane_dpms(struct drm_plane *plane, int mode)
+{
+	struct omap_plane *omap_plane = to_omap_plane(plane);
+	struct omap_overlay *ovl = omap_plane->ovl;
+	int r;
+
+	DBG("%s: %d", omap_plane->ovl->name, mode);
+
+	if (mode == DRM_MODE_DPMS_ON) {
+		update_scanout(plane);
+		r = commit(plane);
+		if (!r)
+			r = ovl->enable(ovl);
+	} else {
+		r = ovl->disable(ovl);
+		update_pin(plane, NULL);
+	}
+
+	return r;
+}
+
+static const struct drm_plane_funcs omap_plane_funcs = {
+		.update_plane = omap_plane_update,
+		.disable_plane = omap_plane_disable,
+		.destroy = omap_plane_destroy,
+};
+
+static const uint32_t formats[] = {
+		DRM_FORMAT_RGB565,
+		DRM_FORMAT_RGBX4444,
+		DRM_FORMAT_XRGB4444,
+		DRM_FORMAT_RGBA4444,
+		DRM_FORMAT_ABGR4444,
+		DRM_FORMAT_XRGB1555,
+		DRM_FORMAT_ARGB1555,
+		DRM_FORMAT_RGB888,
+		DRM_FORMAT_RGBX8888,
+		DRM_FORMAT_XRGB8888,
+		DRM_FORMAT_RGBA8888,
+		DRM_FORMAT_ARGB8888,
+		DRM_FORMAT_NV12,
+		DRM_FORMAT_YUYV,
+		DRM_FORMAT_UYVY,
+};
+
+/* initialize plane */
+struct drm_plane *omap_plane_init(struct drm_device *dev,
+		struct omap_overlay *ovl, unsigned int possible_crtcs,
+		bool priv)
+{
+	struct drm_plane *plane = NULL;
+	struct omap_plane *omap_plane;
+
+	DBG("%s: possible_crtcs=%08x, priv=%d", ovl->name,
+			possible_crtcs, priv);
+
+	omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL);
+	if (!omap_plane) {
+		dev_err(dev->dev, "could not allocate plane\n");
+		goto fail;
+	}
+
+	omap_plane->ovl = ovl;
+	plane = &omap_plane->base;
+
+	drm_plane_init(dev, plane, possible_crtcs, &omap_plane_funcs,
+			formats, ARRAY_SIZE(formats), priv);
+
+	/* get our starting configuration, set defaults for parameters
+	 * we don't currently use, etc:
+	 */
+	ovl->get_overlay_info(ovl, &omap_plane->info);
+	omap_plane->info.rotation_type = OMAP_DSS_ROT_DMA;
+	omap_plane->info.rotation = OMAP_DSS_ROT_0;
+	omap_plane->info.global_alpha = 0xff;
+	omap_plane->info.mirror = 0;
+	omap_plane->info.mirror = 0;
+
+	/* Set defaults depending on whether we are a CRTC or overlay
+	 * layer.
+	 * TODO add ioctl to give userspace an API to change this.. this
+	 * will come in a subsequent patch.
+	 */
+	if (priv)
+		omap_plane->info.zorder = 0;
+	else
+		omap_plane->info.zorder = 1;
+
+	update_manager(plane);
+
+	return plane;
+
+fail:
+	if (plane) {
+		omap_plane_destroy(plane);
+	}
+	return NULL;
+}
diff --git a/drivers/staging/omapdrm/omap_priv.h b/drivers/staging/omapdrm/omap_priv.h
index c324709aa9a1..ef6441447147 100644
--- a/drivers/staging/omapdrm/omap_priv.h
+++ b/drivers/staging/omapdrm/omap_priv.h
@@ -27,14 +27,22 @@
  * pipes/overlays/CRTCs are used.. if this is not provided, then instead the
  * first CONFIG_DRM_OMAP_NUM_CRTCS are used, and they are each connected to
  * one manager, with priority given to managers that are connected to
- * detected devices.  This should be a good default behavior for most cases,
- * but yet there still might be times when you wish to do something different.
+ * detected devices.  Remaining overlays are used as video planes.  This
+ * should be a good default behavior for most cases, but yet there still
+ * might be times when you wish to do something different.
  */
 struct omap_kms_platform_data {
+	/* overlays to use as CRTCs: */
 	int ovl_cnt;
 	const int *ovl_ids;
+
+	/* overlays to use as video planes: */
+	int pln_cnt;
+	const int *pln_ids;
+
 	int mgr_cnt;
 	const int *mgr_ids;
+
 	int dev_cnt;
 	const char **dev_names;
 };
diff --git a/drivers/staging/pohmelfs/Kconfig b/drivers/staging/pohmelfs/Kconfig
deleted file mode 100644
index 8d53b1a1e715..000000000000
--- a/drivers/staging/pohmelfs/Kconfig
+++ /dev/null
@@ -1,20 +0,0 @@
-config POHMELFS
-	tristate "POHMELFS filesystem support"
-	depends on NET
-	select CONNECTOR
-	select CRYPTO
-	select CRYPTO_BLKCIPHER
-	select CRYPTO_HMAC
-	help
-	  POHMELFS stands for Parallel Optimized Host Message Exchange Layered
-	  File System.  This is a network filesystem which supports coherent
-	  caching of data and metadata on clients.
-
-config POHMELFS_DEBUG
-	bool "POHMELFS debugging"
-	depends on POHMELFS
-	default n
-	help
-	  Turns on excessive POHMELFS debugging facilities.
-	  You usually do not want to slow things down noticeably and get really
-	  lots of kernel messages in syslog.
diff --git a/drivers/staging/pohmelfs/Makefile b/drivers/staging/pohmelfs/Makefile
deleted file mode 100644
index 196561ca26bc..000000000000
--- a/drivers/staging/pohmelfs/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-obj-$(CONFIG_POHMELFS)	+= pohmelfs.o
-
-pohmelfs-y := inode.o config.o dir.o net.o path_entry.o trans.o crypto.o lock.o mcache.o
diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c
deleted file mode 100644
index b6c42cb0d1c6..000000000000
--- a/drivers/staging/pohmelfs/config.c
+++ /dev/null
@@ -1,611 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/connector.h>
-#include <linux/crypto.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/string.h>
-#include <linux/in.h>
-#include <linux/slab.h>
-
-#include "netfs.h"
-
-/*
- * Global configuration list.
- * Each client can be asked to get one of them.
- *
- * Allows to provide remote server address (ipv4/v6/whatever), port
- * and so on via kernel connector.
- */
-
-static struct cb_id pohmelfs_cn_id = {.idx = POHMELFS_CN_IDX, .val = POHMELFS_CN_VAL};
-static LIST_HEAD(pohmelfs_config_list);
-static DEFINE_MUTEX(pohmelfs_config_lock);
-
-static inline int pohmelfs_config_eql(struct pohmelfs_ctl *sc, struct pohmelfs_ctl *ctl)
-{
-	if (sc->idx == ctl->idx && sc->type == ctl->type &&
-			sc->proto == ctl->proto &&
-			sc->addrlen == ctl->addrlen &&
-			!memcmp(&sc->addr, &ctl->addr, ctl->addrlen))
-		return 1;
-
-	return 0;
-}
-
-static struct pohmelfs_config_group *pohmelfs_find_config_group(unsigned int idx)
-{
-	struct pohmelfs_config_group *g, *group = NULL;
-
-	list_for_each_entry(g, &pohmelfs_config_list, group_entry) {
-		if (g->idx == idx) {
-			group = g;
-			break;
-		}
-	}
-
-	return group;
-}
-
-static struct pohmelfs_config_group *pohmelfs_find_create_config_group(unsigned int idx)
-{
-	struct pohmelfs_config_group *g;
-
-	g = pohmelfs_find_config_group(idx);
-	if (g)
-		return g;
-
-	g = kzalloc(sizeof(struct pohmelfs_config_group), GFP_KERNEL);
-	if (!g)
-		return NULL;
-
-	INIT_LIST_HEAD(&g->config_list);
-	g->idx = idx;
-	g->num_entry = 0;
-
-	list_add_tail(&g->group_entry, &pohmelfs_config_list);
-
-	return g;
-}
-
-static inline void pohmelfs_insert_config_entry(struct pohmelfs_sb *psb, struct pohmelfs_config *dst)
-{
-	struct pohmelfs_config *tmp;
-
-	INIT_LIST_HEAD(&dst->config_entry);
-
-	list_for_each_entry(tmp, &psb->state_list, config_entry) {
-		if (dst->state.ctl.prio > tmp->state.ctl.prio)
-			list_add_tail(&dst->config_entry, &tmp->config_entry);
-	}
-	if (list_empty(&dst->config_entry))
-		list_add_tail(&dst->config_entry, &psb->state_list);
-}
-
-static int pohmelfs_move_config_entry(struct pohmelfs_sb *psb,
-		struct pohmelfs_config *dst, struct pohmelfs_config *new)
-{
-	if ((dst->state.ctl.prio == new->state.ctl.prio) &&
-		(dst->state.ctl.perm == new->state.ctl.perm))
-		return 0;
-
-	dprintk("%s: dst: prio: %d, perm: %x, new: prio: %d, perm: %d.\n",
-			__func__, dst->state.ctl.prio, dst->state.ctl.perm,
-			new->state.ctl.prio, new->state.ctl.perm);
-	dst->state.ctl.prio = new->state.ctl.prio;
-	dst->state.ctl.perm = new->state.ctl.perm;
-
-	list_del_init(&dst->config_entry);
-	pohmelfs_insert_config_entry(psb, dst);
-	return 0;
-}
-
-/*
- * pohmelfs_copy_config() is used to copy new state configs from the
- * config group (controlled by the netlink messages) into the superblock.
- * This happens either at startup time where no transactions can access
- * the list of the configs (and thus list of the network states), or at
- * run-time, where it is protected by the psb->state_lock.
- */
-int pohmelfs_copy_config(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config_group *g;
-	struct pohmelfs_config *c, *dst;
-	int err = -ENODEV;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	g = pohmelfs_find_config_group(psb->idx);
-	if (!g)
-		goto out_unlock;
-
-	/*
-	 * Run over all entries in given config group and try to create and
-	 * initialize those, which do not exist in superblock list.
-	 * Skip all existing entries.
-	 */
-
-	list_for_each_entry(c, &g->config_list, config_entry) {
-		err = 0;
-		list_for_each_entry(dst, &psb->state_list, config_entry) {
-			if (pohmelfs_config_eql(&dst->state.ctl, &c->state.ctl)) {
-				err = pohmelfs_move_config_entry(psb, dst, c);
-				if (!err)
-					err = -EEXIST;
-				break;
-			}
-		}
-
-		if (err)
-			continue;
-
-		dst = kzalloc(sizeof(struct pohmelfs_config), GFP_KERNEL);
-		if (!dst) {
-			err = -ENOMEM;
-			break;
-		}
-
-		memcpy(&dst->state.ctl, &c->state.ctl, sizeof(struct pohmelfs_ctl));
-
-		pohmelfs_insert_config_entry(psb, dst);
-
-		err = pohmelfs_state_init_one(psb, dst);
-		if (err) {
-			list_del(&dst->config_entry);
-			kfree(dst);
-		}
-
-		err = 0;
-	}
-
-out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-
-	return err;
-}
-
-int pohmelfs_copy_crypto(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config_group *g;
-	int err = -ENOENT;
-
-	mutex_lock(&pohmelfs_config_lock);
-	g = pohmelfs_find_config_group(psb->idx);
-	if (!g)
-		goto err_out_exit;
-
-	if (g->hash_string) {
-		err = -ENOMEM;
-		psb->hash_string = kstrdup(g->hash_string, GFP_KERNEL);
-		if (!psb->hash_string)
-			goto err_out_exit;
-		psb->hash_strlen = g->hash_strlen;
-	}
-
-	if (g->cipher_string) {
-		psb->cipher_string = kstrdup(g->cipher_string, GFP_KERNEL);
-		if (!psb->cipher_string)
-			goto err_out_free_hash_string;
-		psb->cipher_strlen = g->cipher_strlen;
-	}
-
-	if (g->hash_keysize) {
-		psb->hash_key = kmemdup(g->hash_key, g->hash_keysize,
-					GFP_KERNEL);
-		if (!psb->hash_key)
-			goto err_out_free_cipher_string;
-		psb->hash_keysize = g->hash_keysize;
-	}
-
-	if (g->cipher_keysize) {
-		psb->cipher_key = kmemdup(g->cipher_key, g->cipher_keysize,
-					  GFP_KERNEL);
-		if (!psb->cipher_key)
-			goto err_out_free_hash;
-		psb->cipher_keysize = g->cipher_keysize;
-	}
-
-	mutex_unlock(&pohmelfs_config_lock);
-
-	return 0;
-
-err_out_free_hash:
-	kfree(psb->hash_key);
-err_out_free_cipher_string:
-	kfree(psb->cipher_string);
-err_out_free_hash_string:
-	kfree(psb->hash_string);
-err_out_exit:
-	mutex_unlock(&pohmelfs_config_lock);
-	return err;
-}
-
-static int pohmelfs_send_reply(int err, int msg_num, int action, struct cn_msg *msg, struct pohmelfs_ctl *ctl)
-{
-	struct pohmelfs_cn_ack *ack;
-
-	ack = kzalloc(sizeof(struct pohmelfs_cn_ack), GFP_KERNEL);
-	if (!ack)
-		return -ENOMEM;
-
-	memcpy(&ack->msg, msg, sizeof(struct cn_msg));
-
-	if (action == POHMELFS_CTLINFO_ACK)
-		memcpy(&ack->ctl, ctl, sizeof(struct pohmelfs_ctl));
-
-	ack->msg.len = sizeof(struct pohmelfs_cn_ack) - sizeof(struct cn_msg);
-	ack->msg.ack = msg->ack + 1;
-	ack->error = err;
-	ack->msg_num = msg_num;
-
-	cn_netlink_send(&ack->msg, 0, GFP_KERNEL);
-	kfree(ack);
-	return 0;
-}
-
-static int pohmelfs_cn_disp(struct cn_msg *msg)
-{
-	struct pohmelfs_config_group *g;
-	struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data;
-	struct pohmelfs_config *c, *tmp;
-	int err = 0, i = 1;
-
-	if (msg->len != sizeof(struct pohmelfs_ctl))
-		return -EBADMSG;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	g = pohmelfs_find_config_group(ctl->idx);
-	if (!g) {
-		pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL);
-		goto out_unlock;
-	}
-
-	list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-		struct pohmelfs_ctl *sc = &c->state.ctl;
-		if (pohmelfs_send_reply(err, g->num_entry - i, POHMELFS_CTLINFO_ACK, msg, sc)) {
-			err = -ENOMEM;
-			goto out_unlock;
-		}
-		i += 1;
-	}
-
- out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-	return err;
-}
-
-static int pohmelfs_cn_dump(struct cn_msg *msg)
-{
-	struct pohmelfs_config_group *g;
-	struct pohmelfs_config *c, *tmp;
-	int err = 0, i = 1;
-	int total_msg = 0;
-
-	if (msg->len != sizeof(struct pohmelfs_ctl))
-		return -EBADMSG;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	list_for_each_entry(g, &pohmelfs_config_list, group_entry)
-		total_msg += g->num_entry;
-	if (total_msg == 0) {
-		if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL))
-			err = -ENOMEM;
-		goto out_unlock;
-	}
-
-	list_for_each_entry(g, &pohmelfs_config_list, group_entry) {
-		list_for_each_entry_safe(c, tmp, &g->config_list,
-					 config_entry) {
-			struct pohmelfs_ctl *sc = &c->state.ctl;
-			if (pohmelfs_send_reply(err, total_msg - i,
-						POHMELFS_CTLINFO_ACK, msg,
-						sc)) {
-				err = -ENOMEM;
-				goto out_unlock;
-			}
-			i += 1;
-		}
-	}
-
-out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-	return err;
-}
-
-static int pohmelfs_cn_flush(struct cn_msg *msg)
-{
-	struct pohmelfs_config_group *g;
-	struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data;
-	struct pohmelfs_config *c, *tmp;
-	int err = 0;
-
-	if (msg->len != sizeof(struct pohmelfs_ctl))
-		return -EBADMSG;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	if (ctl->idx != POHMELFS_NULL_IDX) {
-		g = pohmelfs_find_config_group(ctl->idx);
-
-		if (!g)
-			goto out_unlock;
-
-		list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-			list_del(&c->config_entry);
-			g->num_entry--;
-			kfree(c);
-		}
-	} else {
-		list_for_each_entry(g, &pohmelfs_config_list, group_entry) {
-			list_for_each_entry_safe(c, tmp, &g->config_list,
-						 config_entry) {
-				list_del(&c->config_entry);
-				g->num_entry--;
-				kfree(c);
-			}
-		}
-	}
-
-out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-	pohmelfs_cn_dump(msg);
-
-	return err;
-}
-
-static int pohmelfs_modify_config(struct pohmelfs_ctl *old, struct pohmelfs_ctl *new)
-{
-	old->perm = new->perm;
-	old->prio = new->prio;
-	return 0;
-}
-
-static int pohmelfs_cn_ctl(struct cn_msg *msg, int action)
-{
-	struct pohmelfs_config_group *g;
-	struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data;
-	struct pohmelfs_config *c, *tmp;
-	int err = 0;
-
-	if (msg->len != sizeof(struct pohmelfs_ctl))
-		return -EBADMSG;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	g = pohmelfs_find_create_config_group(ctl->idx);
-	if (!g) {
-		err = -ENOMEM;
-		goto out_unlock;
-	}
-
-	list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-		struct pohmelfs_ctl *sc = &c->state.ctl;
-
-		if (pohmelfs_config_eql(sc, ctl)) {
-			if (action == POHMELFS_FLAGS_ADD) {
-				err = -EEXIST;
-				goto out_unlock;
-			} else if (action == POHMELFS_FLAGS_DEL) {
-				list_del(&c->config_entry);
-				g->num_entry--;
-				kfree(c);
-				goto out_unlock;
-			} else if (action == POHMELFS_FLAGS_MODIFY) {
-				err = pohmelfs_modify_config(sc, ctl);
-				goto out_unlock;
-			} else {
-				err = -EEXIST;
-				goto out_unlock;
-			}
-		}
-	}
-	if (action == POHMELFS_FLAGS_DEL) {
-		err = -EBADMSG;
-		goto out_unlock;
-	}
-
-	c = kzalloc(sizeof(struct pohmelfs_config), GFP_KERNEL);
-	if (!c) {
-		err = -ENOMEM;
-		goto out_unlock;
-	}
-	memcpy(&c->state.ctl, ctl, sizeof(struct pohmelfs_ctl));
-	g->num_entry++;
-
-	list_add_tail(&c->config_entry, &g->config_list);
-
- out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-	if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL))
-		err = -ENOMEM;
-
-	return err;
-}
-
-static int pohmelfs_crypto_hash_init(struct pohmelfs_config_group *g, struct pohmelfs_crypto *c)
-{
-	char *algo = (char *)c->data;
-	u8 *key = (u8 *)(algo + c->strlen);
-
-	if (g->hash_string)
-		return -EEXIST;
-
-	g->hash_string = kstrdup(algo, GFP_KERNEL);
-	if (!g->hash_string)
-		return -ENOMEM;
-	g->hash_strlen = c->strlen;
-	g->hash_keysize = c->keysize;
-
-	g->hash_key = kmemdup(key, c->keysize, GFP_KERNEL);
-	if (!g->hash_key) {
-		kfree(g->hash_string);
-		return -ENOMEM;
-	}
-
-	return 0;
-}
-
-static int pohmelfs_crypto_cipher_init(struct pohmelfs_config_group *g, struct pohmelfs_crypto *c)
-{
-	char *algo = (char *)c->data;
-	u8 *key = (u8 *)(algo + c->strlen);
-
-	if (g->cipher_string)
-		return -EEXIST;
-
-	g->cipher_string = kstrdup(algo, GFP_KERNEL);
-	if (!g->cipher_string)
-		return -ENOMEM;
-	g->cipher_strlen = c->strlen;
-	g->cipher_keysize = c->keysize;
-
-	g->cipher_key = kmemdup(key, c->keysize, GFP_KERNEL);
-	if (!g->cipher_key) {
-		kfree(g->cipher_string);
-		return -ENOMEM;
-	}
-
-	return 0;
-}
-
-static int pohmelfs_cn_crypto(struct cn_msg *msg)
-{
-	struct pohmelfs_crypto *crypto = (struct pohmelfs_crypto *)msg->data;
-	struct pohmelfs_config_group *g;
-	int err = 0;
-
-	dprintk("%s: idx: %u, strlen: %u, type: %u, keysize: %u, algo: %s.\n",
-			__func__, crypto->idx, crypto->strlen, crypto->type,
-			crypto->keysize, (char *)crypto->data);
-
-	mutex_lock(&pohmelfs_config_lock);
-	g = pohmelfs_find_create_config_group(crypto->idx);
-	if (!g) {
-		err = -ENOMEM;
-		goto out_unlock;
-	}
-
-	switch (crypto->type) {
-	case POHMELFS_CRYPTO_HASH:
-			err = pohmelfs_crypto_hash_init(g, crypto);
-			break;
-	case POHMELFS_CRYPTO_CIPHER:
-			err = pohmelfs_crypto_cipher_init(g, crypto);
-			break;
-	default:
-			err = -ENOTSUPP;
-			break;
-	}
-
-out_unlock:
-	mutex_unlock(&pohmelfs_config_lock);
-	if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL))
-		err = -ENOMEM;
-
-	return err;
-}
-
-static void pohmelfs_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
-{
-	int err;
-
-	if (!cap_raised(current_cap(), CAP_SYS_ADMIN))
-		return;
-
-	switch (msg->flags) {
-	case POHMELFS_FLAGS_ADD:
-	case POHMELFS_FLAGS_DEL:
-	case POHMELFS_FLAGS_MODIFY:
-			err = pohmelfs_cn_ctl(msg, msg->flags);
-			break;
-	case POHMELFS_FLAGS_FLUSH:
-			err = pohmelfs_cn_flush(msg);
-			break;
-	case POHMELFS_FLAGS_SHOW:
-			err = pohmelfs_cn_disp(msg);
-			break;
-	case POHMELFS_FLAGS_DUMP:
-			err = pohmelfs_cn_dump(msg);
-			break;
-	case POHMELFS_FLAGS_CRYPTO:
-			err = pohmelfs_cn_crypto(msg);
-			break;
-	default:
-			err = -ENOSYS;
-			break;
-	}
-}
-
-int pohmelfs_config_check(struct pohmelfs_config *config, int idx)
-{
-	struct pohmelfs_ctl *ctl = &config->state.ctl;
-	struct pohmelfs_config *tmp;
-	int err = -ENOENT;
-	struct pohmelfs_ctl *sc;
-	struct pohmelfs_config_group *g;
-
-	mutex_lock(&pohmelfs_config_lock);
-
-	g = pohmelfs_find_config_group(ctl->idx);
-	if (g) {
-		list_for_each_entry(tmp, &g->config_list, config_entry) {
-			sc = &tmp->state.ctl;
-
-			if (pohmelfs_config_eql(sc, ctl)) {
-				err = 0;
-				break;
-			}
-		}
-	}
-
-	mutex_unlock(&pohmelfs_config_lock);
-
-	return err;
-}
-
-int __init pohmelfs_config_init(void)
-{
-	/* XXX remove (void *) cast when vanilla connector got synced */
-	return cn_add_callback(&pohmelfs_cn_id, "pohmelfs", (void *)pohmelfs_cn_callback);
-}
-
-void pohmelfs_config_exit(void)
-{
-	struct pohmelfs_config *c, *tmp;
-	struct pohmelfs_config_group *g, *gtmp;
-
-	cn_del_callback(&pohmelfs_cn_id);
-
-	mutex_lock(&pohmelfs_config_lock);
-	list_for_each_entry_safe(g, gtmp, &pohmelfs_config_list, group_entry) {
-		list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-			list_del(&c->config_entry);
-			kfree(c);
-		}
-
-		list_del(&g->group_entry);
-
-		kfree(g->hash_string);
-
-		kfree(g->cipher_string);
-
-		kfree(g);
-	}
-	mutex_unlock(&pohmelfs_config_lock);
-}
diff --git a/drivers/staging/pohmelfs/crypto.c b/drivers/staging/pohmelfs/crypto.c
deleted file mode 100644
index ad92771dce57..000000000000
--- a/drivers/staging/pohmelfs/crypto.c
+++ /dev/null
@@ -1,878 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/crypto.h>
-#include <linux/highmem.h>
-#include <linux/kthread.h>
-#include <linux/pagemap.h>
-#include <linux/scatterlist.h>
-#include <linux/slab.h>
-
-#include "netfs.h"
-
-static struct crypto_hash *pohmelfs_init_hash(struct pohmelfs_sb *psb)
-{
-	int err;
-	struct crypto_hash *hash;
-
-	hash = crypto_alloc_hash(psb->hash_string, 0, CRYPTO_ALG_ASYNC);
-	if (IS_ERR(hash)) {
-		err = PTR_ERR(hash);
-		dprintk("%s: idx: %u: failed to allocate hash '%s', err: %d.\n",
-				__func__, psb->idx, psb->hash_string, err);
-		goto err_out_exit;
-	}
-
-	psb->crypto_attached_size = crypto_hash_digestsize(hash);
-
-	if (!psb->hash_keysize)
-		return hash;
-
-	err = crypto_hash_setkey(hash, psb->hash_key, psb->hash_keysize);
-	if (err) {
-		dprintk("%s: idx: %u: failed to set key for hash '%s', err: %d.\n",
-				__func__, psb->idx, psb->hash_string, err);
-		goto err_out_free;
-	}
-
-	return hash;
-
-err_out_free:
-	crypto_free_hash(hash);
-err_out_exit:
-	return ERR_PTR(err);
-}
-
-static struct crypto_ablkcipher *pohmelfs_init_cipher(struct pohmelfs_sb *psb)
-{
-	int err = -EINVAL;
-	struct crypto_ablkcipher *cipher;
-
-	if (!psb->cipher_keysize)
-		goto err_out_exit;
-
-	cipher = crypto_alloc_ablkcipher(psb->cipher_string, 0, 0);
-	if (IS_ERR(cipher)) {
-		err = PTR_ERR(cipher);
-		dprintk("%s: idx: %u: failed to allocate cipher '%s', err: %d.\n",
-				__func__, psb->idx, psb->cipher_string, err);
-		goto err_out_exit;
-	}
-
-	crypto_ablkcipher_clear_flags(cipher, ~0);
-
-	err = crypto_ablkcipher_setkey(cipher, psb->cipher_key, psb->cipher_keysize);
-	if (err) {
-		dprintk("%s: idx: %u: failed to set key for cipher '%s', err: %d.\n",
-				__func__, psb->idx, psb->cipher_string, err);
-		goto err_out_free;
-	}
-
-	return cipher;
-
-err_out_free:
-	crypto_free_ablkcipher(cipher);
-err_out_exit:
-	return ERR_PTR(err);
-}
-
-int pohmelfs_crypto_engine_init(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb)
-{
-	int err;
-
-	e->page_num = 0;
-
-	e->size = PAGE_SIZE;
-	e->data = kmalloc(e->size, GFP_KERNEL);
-	if (!e->data) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-
-	if (psb->hash_string) {
-		e->hash = pohmelfs_init_hash(psb);
-		if (IS_ERR(e->hash)) {
-			err = PTR_ERR(e->hash);
-			e->hash = NULL;
-			goto err_out_free;
-		}
-	}
-
-	if (psb->cipher_string) {
-		e->cipher = pohmelfs_init_cipher(psb);
-		if (IS_ERR(e->cipher)) {
-			err = PTR_ERR(e->cipher);
-			e->cipher = NULL;
-			goto err_out_free_hash;
-		}
-	}
-
-	return 0;
-
-err_out_free_hash:
-	crypto_free_hash(e->hash);
-err_out_free:
-	kfree(e->data);
-err_out_exit:
-	return err;
-}
-
-void pohmelfs_crypto_engine_exit(struct pohmelfs_crypto_engine *e)
-{
-	crypto_free_hash(e->hash);
-	crypto_free_ablkcipher(e->cipher);
-	kfree(e->data);
-}
-
-static void pohmelfs_crypto_complete(struct crypto_async_request *req, int err)
-{
-	struct pohmelfs_crypto_completion *c = req->data;
-
-	if (err == -EINPROGRESS)
-		return;
-
-	dprintk("%s: req: %p, err: %d.\n", __func__, req, err);
-	c->error = err;
-	complete(&c->complete);
-}
-
-static int pohmelfs_crypto_process(struct ablkcipher_request *req,
-		struct scatterlist *sg_dst, struct scatterlist *sg_src,
-		void *iv, int enc, unsigned long timeout)
-{
-	struct pohmelfs_crypto_completion complete;
-	int err;
-
-	init_completion(&complete.complete);
-	complete.error = -EINPROGRESS;
-
-	ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
-					pohmelfs_crypto_complete, &complete);
-
-	ablkcipher_request_set_crypt(req, sg_src, sg_dst, sg_src->length, iv);
-
-	if (enc)
-		err = crypto_ablkcipher_encrypt(req);
-	else
-		err = crypto_ablkcipher_decrypt(req);
-
-	switch (err) {
-	case -EINPROGRESS:
-	case -EBUSY:
-		err = wait_for_completion_interruptible_timeout(&complete.complete,
-					timeout);
-		if (!err)
-			err = -ETIMEDOUT;
-		else if (err > 0)
-			err = complete.error;
-		break;
-	default:
-		break;
-	}
-
-	return err;
-}
-
-int pohmelfs_crypto_process_input_data(struct pohmelfs_crypto_engine *e, u64 cmd_iv,
-		void *data, struct page *page, unsigned int size)
-{
-	int err;
-	struct scatterlist sg;
-
-	if (!e->cipher && !e->hash)
-		return 0;
-
-	dprintk("%s: eng: %p, iv: %llx, data: %p, page: %p/%lu, size: %u.\n",
-		__func__, e, cmd_iv, data, page, (page) ? page->index : 0, size);
-
-	if (data) {
-		sg_init_one(&sg, data, size);
-	} else {
-		sg_init_table(&sg, 1);
-		sg_set_page(&sg, page, size, 0);
-	}
-
-	if (e->cipher) {
-		struct ablkcipher_request *req = e->data + crypto_hash_digestsize(e->hash);
-		u8 iv[32];
-
-		memset(iv, 0, sizeof(iv));
-		memcpy(iv, &cmd_iv, sizeof(cmd_iv));
-
-		ablkcipher_request_set_tfm(req, e->cipher);
-
-		err = pohmelfs_crypto_process(req, &sg, &sg, iv, 0, e->timeout);
-		if (err)
-			goto err_out_exit;
-	}
-
-	if (e->hash) {
-		struct hash_desc desc;
-		void *dst = e->data + e->size/2;
-
-		desc.tfm = e->hash;
-		desc.flags = 0;
-
-		err = crypto_hash_init(&desc);
-		if (err)
-			goto err_out_exit;
-
-		err = crypto_hash_update(&desc, &sg, size);
-		if (err)
-			goto err_out_exit;
-
-		err = crypto_hash_final(&desc, dst);
-		if (err)
-			goto err_out_exit;
-
-		err = !!memcmp(dst, e->data, crypto_hash_digestsize(e->hash));
-
-		if (err) {
-#ifdef CONFIG_POHMELFS_DEBUG
-			unsigned int i;
-			unsigned char *recv = e->data, *calc = dst;
-
-			dprintk("%s: eng: %p, hash: %p, cipher: %p: iv : %llx, hash mismatch (recv/calc): ",
-					__func__, e, e->hash, e->cipher, cmd_iv);
-			for (i = 0; i < crypto_hash_digestsize(e->hash); ++i) {
-#if 0
-				dprintka("%02x ", recv[i]);
-				if (recv[i] != calc[i]) {
-					dprintka("| calc byte: %02x.\n", calc[i]);
-					break;
-				}
-#else
-				dprintka("%02x/%02x ", recv[i], calc[i]);
-#endif
-			}
-			dprintk("\n");
-#endif
-			goto err_out_exit;
-		} else {
-			dprintk("%s: eng: %p, hash: %p, cipher: %p: hashes matched.\n",
-					__func__, e, e->hash, e->cipher);
-		}
-	}
-
-	dprintk("%s: eng: %p, size: %u, hash: %p, cipher: %p: completed.\n",
-			__func__, e, e->size, e->hash, e->cipher);
-
-	return 0;
-
-err_out_exit:
-	dprintk("%s: eng: %p, hash: %p, cipher: %p: err: %d.\n",
-			__func__, e, e->hash, e->cipher, err);
-	return err;
-}
-
-static int pohmelfs_trans_iter(struct netfs_trans *t, struct pohmelfs_crypto_engine *e,
-		int (*iterator) (struct pohmelfs_crypto_engine *e,
-				  struct scatterlist *dst,
-				  struct scatterlist *src))
-{
-	void *data = t->iovec.iov_base + sizeof(struct netfs_cmd) + t->psb->crypto_attached_size;
-	unsigned int size = t->iovec.iov_len - sizeof(struct netfs_cmd) - t->psb->crypto_attached_size;
-	struct netfs_cmd *cmd = data;
-	unsigned int sz, pages = t->attached_pages, i, csize, cmd_cmd, dpage_idx;
-	struct scatterlist sg_src, sg_dst;
-	int err;
-
-	while (size) {
-		cmd = data;
-		cmd_cmd = __be16_to_cpu(cmd->cmd);
-		csize = __be32_to_cpu(cmd->size);
-		cmd->iv = __cpu_to_be64(e->iv);
-
-		if (cmd_cmd == NETFS_READ_PAGES || cmd_cmd == NETFS_READ_PAGE)
-			csize = __be16_to_cpu(cmd->ext);
-
-		sz = csize + __be16_to_cpu(cmd->cpad) + sizeof(struct netfs_cmd);
-
-		dprintk("%s: size: %u, sz: %u, cmd_size: %u, cmd_cpad: %u.\n",
-				__func__, size, sz, __be32_to_cpu(cmd->size), __be16_to_cpu(cmd->cpad));
-
-		data += sz;
-		size -= sz;
-
-		sg_init_one(&sg_src, cmd->data, sz - sizeof(struct netfs_cmd));
-		sg_init_one(&sg_dst, cmd->data, sz - sizeof(struct netfs_cmd));
-
-		err = iterator(e, &sg_dst, &sg_src);
-		if (err)
-			return err;
-	}
-
-	if (!pages)
-		return 0;
-
-	dpage_idx = 0;
-	for (i = 0; i < t->page_num; ++i) {
-		struct page *page = t->pages[i];
-		struct page *dpage = e->pages[dpage_idx];
-
-		if (!page)
-			continue;
-
-		sg_init_table(&sg_src, 1);
-		sg_init_table(&sg_dst, 1);
-		sg_set_page(&sg_src, page, page_private(page), 0);
-		sg_set_page(&sg_dst, dpage, page_private(page), 0);
-
-		err = iterator(e, &sg_dst, &sg_src);
-		if (err)
-			return err;
-
-		pages--;
-		if (!pages)
-			break;
-		dpage_idx++;
-	}
-
-	return 0;
-}
-
-static int pohmelfs_encrypt_iterator(struct pohmelfs_crypto_engine *e,
-		struct scatterlist *sg_dst, struct scatterlist *sg_src)
-{
-	struct ablkcipher_request *req = e->data;
-	u8 iv[32];
-
-	memset(iv, 0, sizeof(iv));
-
-	memcpy(iv, &e->iv, sizeof(e->iv));
-
-	return pohmelfs_crypto_process(req, sg_dst, sg_src, iv, 1, e->timeout);
-}
-
-static int pohmelfs_encrypt(struct pohmelfs_crypto_thread *tc)
-{
-	struct netfs_trans *t = tc->trans;
-	struct pohmelfs_crypto_engine *e = &tc->eng;
-	struct ablkcipher_request *req = e->data;
-
-	memset(req, 0, sizeof(struct ablkcipher_request));
-	ablkcipher_request_set_tfm(req, e->cipher);
-
-	e->iv = pohmelfs_gen_iv(t);
-
-	return pohmelfs_trans_iter(t, e, pohmelfs_encrypt_iterator);
-}
-
-static int pohmelfs_hash_iterator(struct pohmelfs_crypto_engine *e,
-		struct scatterlist *sg_dst, struct scatterlist *sg_src)
-{
-	return crypto_hash_update(e->data, sg_src, sg_src->length);
-}
-
-static int pohmelfs_hash(struct pohmelfs_crypto_thread *tc)
-{
-	struct pohmelfs_crypto_engine *e = &tc->eng;
-	struct hash_desc *desc = e->data;
-	unsigned char *dst = tc->trans->iovec.iov_base + sizeof(struct netfs_cmd);
-	int err;
-
-	desc->tfm = e->hash;
-	desc->flags = 0;
-
-	err = crypto_hash_init(desc);
-	if (err)
-		return err;
-
-	err = pohmelfs_trans_iter(tc->trans, e, pohmelfs_hash_iterator);
-	if (err)
-		return err;
-
-	err = crypto_hash_final(desc, dst);
-	if (err)
-		return err;
-
-	{
-		unsigned int i;
-		dprintk("%s: ", __func__);
-		for (i = 0; i < tc->psb->crypto_attached_size; ++i)
-			dprintka("%02x ", dst[i]);
-		dprintka("\n");
-	}
-
-	return 0;
-}
-
-static void pohmelfs_crypto_pages_free(struct pohmelfs_crypto_engine *e)
-{
-	unsigned int i;
-
-	for (i = 0; i < e->page_num; ++i)
-		__free_page(e->pages[i]);
-	kfree(e->pages);
-}
-
-static int pohmelfs_crypto_pages_alloc(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb)
-{
-	unsigned int i;
-
-	e->pages = kmalloc(psb->trans_max_pages * sizeof(struct page *), GFP_KERNEL);
-	if (!e->pages)
-		return -ENOMEM;
-
-	for (i = 0; i < psb->trans_max_pages; ++i) {
-		e->pages[i] = alloc_page(GFP_KERNEL);
-		if (!e->pages[i])
-			break;
-	}
-
-	e->page_num = i;
-	if (!e->page_num)
-		goto err_out_free;
-
-	return 0;
-
-err_out_free:
-	kfree(e->pages);
-	return -ENOMEM;
-}
-
-static void pohmelfs_sys_crypto_exit_one(struct pohmelfs_crypto_thread *t)
-{
-	struct pohmelfs_sb *psb = t->psb;
-
-	if (t->thread)
-		kthread_stop(t->thread);
-
-	mutex_lock(&psb->crypto_thread_lock);
-	list_del(&t->thread_entry);
-	psb->crypto_thread_num--;
-	mutex_unlock(&psb->crypto_thread_lock);
-
-	pohmelfs_crypto_engine_exit(&t->eng);
-	pohmelfs_crypto_pages_free(&t->eng);
-	kfree(t);
-}
-
-static int pohmelfs_crypto_finish(struct netfs_trans *t, struct pohmelfs_sb *psb, int err)
-{
-	struct netfs_cmd *cmd = t->iovec.iov_base;
-	netfs_convert_cmd(cmd);
-
-	if (likely(!err))
-		err = netfs_trans_finish_send(t, psb);
-
-	t->result = err;
-	netfs_trans_put(t);
-
-	return err;
-}
-
-void pohmelfs_crypto_thread_make_ready(struct pohmelfs_crypto_thread *th)
-{
-	struct pohmelfs_sb *psb = th->psb;
-
-	th->page = NULL;
-	th->trans = NULL;
-
-	mutex_lock(&psb->crypto_thread_lock);
-	list_move_tail(&th->thread_entry, &psb->crypto_ready_list);
-	mutex_unlock(&psb->crypto_thread_lock);
-	wake_up(&psb->wait);
-}
-
-static int pohmelfs_crypto_thread_trans(struct pohmelfs_crypto_thread *t)
-{
-	struct netfs_trans *trans;
-	int err = 0;
-
-	trans = t->trans;
-	trans->eng = NULL;
-
-	if (t->eng.hash) {
-		err = pohmelfs_hash(t);
-		if (err)
-			goto out_complete;
-	}
-
-	if (t->eng.cipher) {
-		err = pohmelfs_encrypt(t);
-		if (err)
-			goto out_complete;
-		trans->eng = &t->eng;
-	}
-
-out_complete:
-	t->page = NULL;
-	t->trans = NULL;
-
-	if (!trans->eng)
-		pohmelfs_crypto_thread_make_ready(t);
-
-	pohmelfs_crypto_finish(trans, t->psb, err);
-	return err;
-}
-
-static int pohmelfs_crypto_thread_page(struct pohmelfs_crypto_thread *t)
-{
-	struct pohmelfs_crypto_engine *e = &t->eng;
-	struct page *page = t->page;
-	int err;
-
-	WARN_ON(!PageChecked(page));
-
-	err = pohmelfs_crypto_process_input_data(e, e->iv, NULL, page, t->size);
-	if (!err)
-		SetPageUptodate(page);
-	else
-		SetPageError(page);
-	unlock_page(page);
-	page_cache_release(page);
-
-	pohmelfs_crypto_thread_make_ready(t);
-
-	return err;
-}
-
-static int pohmelfs_crypto_thread_func(void *data)
-{
-	struct pohmelfs_crypto_thread *t = data;
-
-	while (!kthread_should_stop()) {
-		wait_event_interruptible(t->wait, kthread_should_stop() ||
-				t->trans || t->page);
-
-		if (kthread_should_stop())
-			break;
-
-		if (!t->trans && !t->page)
-			continue;
-
-		dprintk("%s: thread: %p, trans: %p, page: %p.\n",
-				__func__, t, t->trans, t->page);
-
-		if (t->trans)
-			pohmelfs_crypto_thread_trans(t);
-		else if (t->page)
-			pohmelfs_crypto_thread_page(t);
-	}
-
-	return 0;
-}
-
-static void pohmelfs_crypto_flush(struct pohmelfs_sb *psb, struct list_head *head)
-{
-	while (!list_empty(head)) {
-		struct pohmelfs_crypto_thread *t = NULL;
-
-		mutex_lock(&psb->crypto_thread_lock);
-		if (!list_empty(head)) {
-			t = list_first_entry(head, struct pohmelfs_crypto_thread, thread_entry);
-			list_del_init(&t->thread_entry);
-		}
-		mutex_unlock(&psb->crypto_thread_lock);
-
-		if (t)
-			pohmelfs_sys_crypto_exit_one(t);
-	}
-}
-
-static void pohmelfs_sys_crypto_exit(struct pohmelfs_sb *psb)
-{
-	while (!list_empty(&psb->crypto_active_list) || !list_empty(&psb->crypto_ready_list)) {
-		dprintk("%s: crypto_thread_num: %u.\n", __func__, psb->crypto_thread_num);
-		pohmelfs_crypto_flush(psb, &psb->crypto_active_list);
-		pohmelfs_crypto_flush(psb, &psb->crypto_ready_list);
-	}
-}
-
-static int pohmelfs_sys_crypto_init(struct pohmelfs_sb *psb)
-{
-	unsigned int i;
-	struct pohmelfs_crypto_thread *t;
-	struct pohmelfs_config *c;
-	struct netfs_state *st;
-	int err;
-
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-
-		err = pohmelfs_crypto_engine_init(&st->eng, psb);
-		if (err)
-			goto err_out_exit;
-
-		dprintk("%s: st: %p, eng: %p, hash: %p, cipher: %p.\n",
-				__func__, st, &st->eng, &st->eng.hash, &st->eng.cipher);
-	}
-
-	for (i = 0; i < psb->crypto_thread_num; ++i) {
-		err = -ENOMEM;
-		t = kzalloc(sizeof(struct pohmelfs_crypto_thread), GFP_KERNEL);
-		if (!t)
-			goto err_out_free_state_engines;
-
-		init_waitqueue_head(&t->wait);
-
-		t->psb = psb;
-		t->trans = NULL;
-		t->eng.thread = t;
-
-		err = pohmelfs_crypto_engine_init(&t->eng, psb);
-		if (err)
-			goto err_out_free_state_engines;
-
-		err = pohmelfs_crypto_pages_alloc(&t->eng, psb);
-		if (err)
-			goto err_out_free;
-
-		t->thread = kthread_run(pohmelfs_crypto_thread_func, t,
-				"pohmelfs-crypto-%d-%d", psb->idx, i);
-		if (IS_ERR(t->thread)) {
-			err = PTR_ERR(t->thread);
-			t->thread = NULL;
-			goto err_out_free;
-		}
-
-		if (t->eng.cipher)
-			psb->crypto_align_size = crypto_ablkcipher_blocksize(t->eng.cipher);
-
-		mutex_lock(&psb->crypto_thread_lock);
-		list_add_tail(&t->thread_entry, &psb->crypto_ready_list);
-		mutex_unlock(&psb->crypto_thread_lock);
-	}
-
-	psb->crypto_thread_num = i;
-	return 0;
-
-err_out_free:
-	pohmelfs_sys_crypto_exit_one(t);
-err_out_free_state_engines:
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-		pohmelfs_crypto_engine_exit(&st->eng);
-	}
-err_out_exit:
-	pohmelfs_sys_crypto_exit(psb);
-	return err;
-}
-
-void pohmelfs_crypto_exit(struct pohmelfs_sb *psb)
-{
-	pohmelfs_sys_crypto_exit(psb);
-
-	kfree(psb->hash_string);
-	kfree(psb->cipher_string);
-}
-
-static int pohmelfs_crypt_init_complete(struct page **pages, unsigned int page_num,
-		void *private, int err)
-{
-	struct pohmelfs_sb *psb = private;
-
-	psb->flags = -err;
-	dprintk("%s: err: %d.\n", __func__, err);
-
-	wake_up(&psb->wait);
-
-	return err;
-}
-
-static int pohmelfs_crypto_init_handshake(struct pohmelfs_sb *psb)
-{
-	struct netfs_trans *t;
-	struct netfs_crypto_capabilities *cap;
-	struct netfs_cmd *cmd;
-	char *str;
-	int err = -ENOMEM, size;
-
-	size = sizeof(struct netfs_crypto_capabilities) +
-		psb->cipher_strlen + psb->hash_strlen + 2; /* 0 bytes */
-
-	t = netfs_trans_alloc(psb, size, 0, 0);
-	if (!t)
-		goto err_out_exit;
-
-	t->complete = pohmelfs_crypt_init_complete;
-	t->private = psb;
-
-	cmd = netfs_trans_current(t);
-	cap = (struct netfs_crypto_capabilities *)(cmd + 1);
-	str = (char *)(cap + 1);
-
-	cmd->cmd = NETFS_CAPABILITIES;
-	cmd->id = POHMELFS_CRYPTO_CAPABILITIES;
-	cmd->size = size;
-	cmd->start = 0;
-	cmd->ext = 0;
-	cmd->csize = 0;
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, size);
-
-	cap->hash_strlen = psb->hash_strlen;
-	if (cap->hash_strlen) {
-		sprintf(str, "%s", psb->hash_string);
-		str += cap->hash_strlen;
-	}
-
-	cap->cipher_strlen = psb->cipher_strlen;
-	cap->cipher_keysize = psb->cipher_keysize;
-	if (cap->cipher_strlen)
-		sprintf(str, "%s", psb->cipher_string);
-
-	netfs_convert_crypto_capabilities(cap);
-
-	psb->flags = ~0;
-	err = netfs_trans_finish(t, psb);
-	if (err)
-		goto err_out_exit;
-
-	err = wait_event_interruptible_timeout(psb->wait, (psb->flags != ~0),
-			psb->wait_on_page_timeout);
-	if (!err)
-		err = -ETIMEDOUT;
-	else if (err > 0)
-		err = -psb->flags;
-
-	if (!err)
-		psb->perform_crypto = 1;
-	psb->flags = 0;
-
-	/*
-	 * At this point NETFS_CAPABILITIES response command
-	 * should setup superblock in a way, which is acceptable
-	 * for both client and server, so if server refuses connection,
-	 * it will send error in transaction response.
-	 */
-
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_exit:
-	return err;
-}
-
-int pohmelfs_crypto_init(struct pohmelfs_sb *psb)
-{
-	int err;
-
-	if (!psb->cipher_string && !psb->hash_string)
-		return 0;
-
-	err = pohmelfs_crypto_init_handshake(psb);
-	if (err)
-		return err;
-
-	err = pohmelfs_sys_crypto_init(psb);
-	if (err)
-		return err;
-
-	return 0;
-}
-
-static int pohmelfs_crypto_thread_get(struct pohmelfs_sb *psb,
-		int (*action)(struct pohmelfs_crypto_thread *t, void *data), void *data)
-{
-	struct pohmelfs_crypto_thread *t = NULL;
-	int err;
-
-	while (!t) {
-		err = wait_event_interruptible_timeout(psb->wait,
-				!list_empty(&psb->crypto_ready_list),
-				psb->wait_on_page_timeout);
-
-		t = NULL;
-		err = 0;
-		mutex_lock(&psb->crypto_thread_lock);
-		if (!list_empty(&psb->crypto_ready_list)) {
-			t = list_entry(psb->crypto_ready_list.prev,
-					struct pohmelfs_crypto_thread,
-					thread_entry);
-
-			list_move_tail(&t->thread_entry,
-					&psb->crypto_active_list);
-
-			action(t, data);
-			wake_up(&t->wait);
-
-		}
-		mutex_unlock(&psb->crypto_thread_lock);
-	}
-
-	return err;
-}
-
-static int pohmelfs_trans_crypt_action(struct pohmelfs_crypto_thread *t, void *data)
-{
-	struct netfs_trans *trans = data;
-
-	netfs_trans_get(trans);
-	t->trans = trans;
-
-	dprintk("%s: t: %p, gen: %u, thread: %p.\n", __func__, trans, trans->gen, t);
-	return 0;
-}
-
-int pohmelfs_trans_crypt(struct netfs_trans *trans, struct pohmelfs_sb *psb)
-{
-	if ((!psb->hash_string && !psb->cipher_string) || !psb->perform_crypto) {
-		netfs_trans_get(trans);
-		return pohmelfs_crypto_finish(trans, psb, 0);
-	}
-
-	return pohmelfs_crypto_thread_get(psb, pohmelfs_trans_crypt_action, trans);
-}
-
-struct pohmelfs_crypto_input_action_data {
-	struct page			*page;
-	struct pohmelfs_crypto_engine	*e;
-	u64				iv;
-	unsigned int			size;
-};
-
-static int pohmelfs_crypt_input_page_action(struct pohmelfs_crypto_thread *t, void *data)
-{
-	struct pohmelfs_crypto_input_action_data *act = data;
-
-	memcpy(t->eng.data, act->e->data, t->psb->crypto_attached_size);
-
-	t->size = act->size;
-	t->eng.iv = act->iv;
-
-	t->page = act->page;
-	return 0;
-}
-
-int pohmelfs_crypto_process_input_page(struct pohmelfs_crypto_engine *e,
-		struct page *page, unsigned int size, u64 iv)
-{
-	struct inode *inode = page->mapping->host;
-	struct pohmelfs_crypto_input_action_data act;
-	int err = -ENOENT;
-
-	act.page = page;
-	act.e = e;
-	act.size = size;
-	act.iv = iv;
-
-	err = pohmelfs_crypto_thread_get(POHMELFS_SB(inode->i_sb),
-			pohmelfs_crypt_input_page_action, &act);
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_exit:
-	SetPageUptodate(page);
-	page_cache_release(page);
-
-	return err;
-}
diff --git a/drivers/staging/pohmelfs/dir.c b/drivers/staging/pohmelfs/dir.c
deleted file mode 100644
index 2ee4491b7136..000000000000
--- a/drivers/staging/pohmelfs/dir.c
+++ /dev/null
@@ -1,1102 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/fs.h>
-#include <linux/jhash.h>
-#include <linux/namei.h>
-#include <linux/slab.h>
-#include <linux/pagemap.h>
-
-#include "netfs.h"
-
-static int pohmelfs_cmp_hash(struct pohmelfs_name *n, u32 hash)
-{
-	if (n->hash > hash)
-		return -1;
-	if (n->hash < hash)
-		return 1;
-
-	return 0;
-}
-
-static struct pohmelfs_name *pohmelfs_search_hash_unprecise(struct pohmelfs_inode *pi, u32 hash)
-{
-	struct rb_node *n = pi->hash_root.rb_node;
-	struct pohmelfs_name *tmp = NULL;
-	int cmp;
-
-	while (n) {
-		tmp = rb_entry(n, struct pohmelfs_name, hash_node);
-
-		cmp = pohmelfs_cmp_hash(tmp, hash);
-		if (cmp < 0)
-			n = n->rb_left;
-		else if (cmp > 0)
-			n = n->rb_right;
-		else
-			break;
-
-	}
-
-	return tmp;
-}
-
-struct pohmelfs_name *pohmelfs_search_hash(struct pohmelfs_inode *pi, u32 hash)
-{
-	struct pohmelfs_name *tmp;
-
-	tmp = pohmelfs_search_hash_unprecise(pi, hash);
-	if (tmp && (tmp->hash == hash))
-		return tmp;
-
-	return NULL;
-}
-
-static void __pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-	rb_erase(&node->hash_node, &parent->hash_root);
-}
-
-/*
- * Remove name cache entry from its caches and free it.
- */
-static void pohmelfs_name_free(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-	__pohmelfs_name_del(parent, node);
-	list_del(&node->sync_create_entry);
-	kfree(node);
-}
-
-static struct pohmelfs_name *pohmelfs_insert_hash(struct pohmelfs_inode *pi,
-		struct pohmelfs_name *new)
-{
-	struct rb_node **n = &pi->hash_root.rb_node, *parent = NULL;
-	struct pohmelfs_name *ret = NULL, *tmp;
-	int cmp;
-
-	while (*n) {
-		parent = *n;
-
-		tmp = rb_entry(parent, struct pohmelfs_name, hash_node);
-
-		cmp = pohmelfs_cmp_hash(tmp, new->hash);
-		if (cmp < 0)
-			n = &parent->rb_left;
-		else if (cmp > 0)
-			n = &parent->rb_right;
-		else {
-			ret = tmp;
-			break;
-		}
-	}
-
-	if (ret) {
-		printk("%s: exist: parent: %llu, ino: %llu, hash: %x, len: %u, data: '%s', "
-					"new: ino: %llu, hash: %x, len: %u, data: '%s'.\n",
-				__func__, pi->ino,
-				ret->ino, ret->hash, ret->len, ret->data,
-				new->ino, new->hash, new->len, new->data);
-		ret->ino = new->ino;
-		return ret;
-	}
-
-	rb_link_node(&new->hash_node, parent, n);
-	rb_insert_color(&new->hash_node, &pi->hash_root);
-
-	return NULL;
-}
-
-/*
- * Free name cache for given inode.
- */
-void pohmelfs_free_names(struct pohmelfs_inode *parent)
-{
-	struct rb_node *rb_node;
-	struct pohmelfs_name *n;
-
-	for (rb_node = rb_first(&parent->hash_root); rb_node;) {
-		n = rb_entry(rb_node, struct pohmelfs_name, hash_node);
-		rb_node = rb_next(rb_node);
-
-		pohmelfs_name_free(parent, n);
-	}
-}
-
-static void pohmelfs_fix_offset(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-	parent->total_len -= node->len;
-}
-
-/*
- * Free name cache entry helper.
- */
-void pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-	pohmelfs_fix_offset(parent, node);
-	pohmelfs_name_free(parent, node);
-}
-
-/*
- * Insert new name cache entry into all hash cache.
- */
-static int pohmelfs_insert_name(struct pohmelfs_inode *parent, struct pohmelfs_name *n)
-{
-	struct pohmelfs_name *name;
-
-	name = pohmelfs_insert_hash(parent, n);
-	if (name)
-		return -EEXIST;
-
-	parent->total_len += n->len;
-	list_add_tail(&n->sync_create_entry, &parent->sync_create_list);
-
-	return 0;
-}
-
-/*
- * Allocate new name cache entry.
- */
-static struct pohmelfs_name *pohmelfs_name_alloc(unsigned int len)
-{
-	struct pohmelfs_name *n;
-
-	n = kzalloc(sizeof(struct pohmelfs_name) + len, GFP_KERNEL);
-	if (!n)
-		return NULL;
-
-	INIT_LIST_HEAD(&n->sync_create_entry);
-
-	n->data = (char *)(n+1);
-
-	return n;
-}
-
-/*
- * Add new name entry into directory's cache.
- */
-static int pohmelfs_add_dir(struct pohmelfs_sb *psb, struct pohmelfs_inode *parent,
-		struct pohmelfs_inode *npi, struct qstr *str, unsigned int mode, int link)
-{
-	int err = -ENOMEM;
-	struct pohmelfs_name *n;
-
-	n = pohmelfs_name_alloc(str->len + 1);
-	if (!n)
-		goto err_out_exit;
-
-	n->ino = npi->ino;
-	n->mode = mode;
-	n->len = str->len;
-	n->hash = str->hash;
-	sprintf(n->data, "%s", str->name);
-
-	mutex_lock(&parent->offset_lock);
-	err = pohmelfs_insert_name(parent, n);
-	mutex_unlock(&parent->offset_lock);
-
-	if (err) {
-		if (err != -EEXIST)
-			goto err_out_free;
-		kfree(n);
-	}
-
-	return 0;
-
-err_out_free:
-	kfree(n);
-err_out_exit:
-	return err;
-}
-
-/*
- * Create new inode for given parameters (name, inode info, parent).
- * This does not create object on the server, it will be synced there during writeback.
- */
-struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb,
-		struct pohmelfs_inode *parent, struct qstr *str,
-		struct netfs_inode_info *info, int link)
-{
-	struct inode *new = NULL;
-	struct pohmelfs_inode *npi;
-	int err = -EEXIST;
-
-	dprintk("%s: creating inode: parent: %llu, ino: %llu, str: %p.\n",
-			__func__, (parent) ? parent->ino : 0, info->ino, str);
-
-	err = -ENOMEM;
-	new = iget_locked(psb->sb, info->ino);
-	if (!new)
-		goto err_out_exit;
-
-	npi = POHMELFS_I(new);
-	npi->ino = info->ino;
-	err = 0;
-
-	if (new->i_state & I_NEW) {
-		dprintk("%s: filling VFS inode: %lu/%llu.\n",
-				__func__, new->i_ino, info->ino);
-		pohmelfs_fill_inode(new, info);
-
-		if (S_ISDIR(info->mode)) {
-			struct qstr s;
-
-			s.name = ".";
-			s.len = 1;
-			s.hash = jhash(s.name, s.len, 0);
-
-			err = pohmelfs_add_dir(psb, npi, npi, &s, info->mode, 0);
-			if (err)
-				goto err_out_put;
-
-			s.name = "..";
-			s.len = 2;
-			s.hash = jhash(s.name, s.len, 0);
-
-			err = pohmelfs_add_dir(psb, npi, (parent) ? parent : npi, &s,
-					(parent) ? parent->vfs_inode.i_mode : npi->vfs_inode.i_mode, 0);
-			if (err)
-				goto err_out_put;
-		}
-	}
-
-	if (str) {
-		if (parent) {
-			err = pohmelfs_add_dir(psb, parent, npi, str, info->mode, link);
-
-			dprintk("%s: %s inserted name: '%s', new_offset: %llu, ino: %llu, parent: %llu.\n",
-					__func__, (err) ? "unsuccessfully" : "successfully",
-					str->name, parent->total_len, info->ino, parent->ino);
-
-			if (err && err != -EEXIST)
-				goto err_out_put;
-		}
-	}
-
-	if (new->i_state & I_NEW) {
-		if (parent)
-			mark_inode_dirty(&parent->vfs_inode);
-		mark_inode_dirty(new);
-	}
-
-	set_bit(NETFS_INODE_OWNED, &npi->state);
-	npi->lock_type = POHMELFS_WRITE_LOCK;
-	unlock_new_inode(new);
-
-	return npi;
-
-err_out_put:
-	printk("%s: putting inode: %p, npi: %p, error: %d.\n", __func__, new, npi, err);
-	iput(new);
-err_out_exit:
-	return ERR_PTR(err);
-}
-
-static int pohmelfs_remote_sync_complete(struct page **pages, unsigned int page_num,
-		void *private, int err)
-{
-	struct pohmelfs_inode *pi = private;
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-
-	dprintk("%s: ino: %llu, err: %d.\n", __func__, pi->ino, err);
-
-	if (err)
-		pi->error = err;
-	wake_up(&psb->wait);
-	pohmelfs_put_inode(pi);
-
-	return err;
-}
-
-/*
- * Receive directory content from the server.
- * This should be only done for objects, which were not created locally,
- * and which were not synced previously.
- */
-static int pohmelfs_sync_remote_dir(struct pohmelfs_inode *pi)
-{
-	struct inode *inode = &pi->vfs_inode;
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	long ret = psb->wait_on_page_timeout;
-	int err;
-
-	dprintk("%s: dir: %llu, state: %lx: remote_synced: %d.\n",
-		__func__, pi->ino, pi->state, test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state));
-
-	if (test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state))
-		return 0;
-
-	if (!igrab(inode)) {
-		err = -ENOENT;
-		goto err_out_exit;
-	}
-
-	err = pohmelfs_meta_command(pi, NETFS_READDIR, NETFS_TRANS_SINGLE_DST,
-			pohmelfs_remote_sync_complete, pi, 0);
-	if (err)
-		goto err_out_exit;
-
-	pi->error = 0;
-	ret = wait_event_interruptible_timeout(psb->wait,
-			test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state) || pi->error, ret);
-	dprintk("%s: awake dir: %llu, ret: %ld, err: %d.\n", __func__, pi->ino, ret, pi->error);
-	if (ret <= 0) {
-		err = ret;
-		if (!err)
-			err = -ETIMEDOUT;
-		goto err_out_exit;
-	}
-
-	if (pi->error)
-		return pi->error;
-
-	return 0;
-
-err_out_exit:
-	clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-
-	return err;
-}
-
-static int pohmelfs_dir_open(struct inode *inode, struct file *file)
-{
-	file->private_data = NULL;
-	return 0;
-}
-
-/*
- * VFS readdir callback. Syncs directory content from server if needed,
- * and provides direntry info to the userspace.
- */
-static int pohmelfs_readdir(struct file *file, void *dirent, filldir_t filldir)
-{
-	struct inode *inode = file->f_path.dentry->d_inode;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct pohmelfs_name *n;
-	struct rb_node *rb_node;
-	int err = 0, mode;
-	u64 len;
-
-	dprintk("%s: parent: %llu, fpos: %llu, hash: %08lx.\n",
-			__func__, pi->ino, (u64)file->f_pos,
-			(unsigned long)file->private_data);
-#if 0
-	err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK);
-	if (err)
-		return err;
-#endif
-	err = pohmelfs_sync_remote_dir(pi);
-	if (err)
-		return err;
-
-	if (file->private_data && (file->private_data == (void *)(unsigned long)file->f_pos))
-		return 0;
-
-	mutex_lock(&pi->offset_lock);
-	n = pohmelfs_search_hash_unprecise(pi, (unsigned long)file->private_data);
-
-	while (n) {
-		mode = (n->mode >> 12) & 15;
-
-		dprintk("%s: offset: %llu, parent ino: %llu, name: '%s', len: %u, ino: %llu, "
-				"mode: %o/%o, fpos: %llu, hash: %08x.\n",
-				__func__, file->f_pos, pi->ino, n->data, n->len,
-				n->ino, n->mode, mode, file->f_pos, n->hash);
-
-		file->private_data = (void *)(unsigned long)n->hash;
-
-		len = n->len;
-		err = filldir(dirent, n->data, n->len, file->f_pos, n->ino, mode);
-
-		if (err < 0) {
-			dprintk("%s: err: %d.\n", __func__, err);
-			err = 0;
-			break;
-		}
-
-		file->f_pos += len;
-
-		rb_node = rb_next(&n->hash_node);
-
-		if (!rb_node || (rb_node == &n->hash_node)) {
-			file->private_data = (void *)(unsigned long)file->f_pos;
-			break;
-		}
-
-		n = rb_entry(rb_node, struct pohmelfs_name, hash_node);
-	}
-	mutex_unlock(&pi->offset_lock);
-
-	return err;
-}
-
-static loff_t pohmelfs_dir_lseek(struct file *file, loff_t offset, int origin)
-{
-	file->f_pos = offset;
-	file->private_data = NULL;
-	return offset;
-}
-
-const struct file_operations pohmelfs_dir_fops = {
-	.open = pohmelfs_dir_open,
-	.read = generic_read_dir,
-	.llseek = pohmelfs_dir_lseek,
-	.readdir = pohmelfs_readdir,
-};
-
-/*
- * Lookup single object on server.
- */
-static int pohmelfs_lookup_single(struct pohmelfs_inode *parent,
-		struct qstr *str, u64 ino)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(parent->vfs_inode.i_sb);
-	long ret = msecs_to_jiffies(5000);
-	int err;
-
-	set_bit(NETFS_COMMAND_PENDING, &parent->state);
-	err = pohmelfs_meta_command_data(parent, parent->ino, NETFS_LOOKUP,
-			(char *)str->name, NETFS_TRANS_SINGLE_DST, NULL, NULL, ino);
-	if (err)
-		goto err_out_exit;
-
-	err = 0;
-	ret = wait_event_interruptible_timeout(psb->wait,
-			!test_bit(NETFS_COMMAND_PENDING, &parent->state), ret);
-	if (ret <= 0) {
-		err = ret;
-		if (!err)
-			err = -ETIMEDOUT;
-	}
-
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_exit:
-	clear_bit(NETFS_COMMAND_PENDING, &parent->state);
-
-	printk("%s: failed: parent: %llu, ino: %llu, name: '%s', err: %d.\n",
-			__func__, parent->ino, ino, str->name, err);
-
-	return err;
-}
-
-/*
- * VFS lookup callback.
- * We first try to get inode number from local name cache, if we have one,
- * then inode can be found in inode cache. If there is no inode or no object in
- * local cache, try to lookup it on server. This only should be done for directories,
- * which were not created locally, otherwise remote server does not know about dir at all,
- * so no need to try to know that.
- */
-struct dentry *pohmelfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
-{
-	struct pohmelfs_inode *parent = POHMELFS_I(dir);
-	struct pohmelfs_name *n;
-	struct inode *inode = NULL;
-	unsigned long ino = 0;
-	int err, lock_type = POHMELFS_READ_LOCK, need_lock = 1;
-	struct qstr str = dentry->d_name;
-
-	if ((nd->intent.open.flags & O_ACCMODE) != O_RDONLY)
-		lock_type = POHMELFS_WRITE_LOCK;
-
-	if (test_bit(NETFS_INODE_OWNED, &parent->state)) {
-		if (lock_type == parent->lock_type)
-			need_lock = 0;
-		if ((lock_type == POHMELFS_READ_LOCK) && (parent->lock_type == POHMELFS_WRITE_LOCK))
-			need_lock = 0;
-	}
-
-	if ((lock_type == POHMELFS_READ_LOCK) && !test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state))
-		need_lock = 1;
-
-	str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-	mutex_lock(&parent->offset_lock);
-	n = pohmelfs_search_hash(parent, str.hash);
-	if (n)
-		ino = n->ino;
-	mutex_unlock(&parent->offset_lock);
-
-	dprintk("%s: start ino: %lu, inode: %p, name: '%s', hash: %x, parent_state: %lx, need_lock: %d.\n",
-			__func__, ino, inode, str.name, str.hash, parent->state, need_lock);
-
-	if (ino) {
-		inode = ilookup(dir->i_sb, ino);
-		if (inode)
-			goto out;
-	}
-
-	dprintk("%s: no inode dir: %p, dir_ino: %llu, name: '%s', len: %u, dir_state: %lx, ino: %lu.\n",
-			__func__, dir, parent->ino,
-			str.name, str.len, parent->state, ino);
-
-	if (!ino) {
-		if (!need_lock)
-			goto out;
-	}
-
-	err = pohmelfs_data_lock(parent, 0, ~0, lock_type);
-	if (err)
-		goto out;
-
-	err = pohmelfs_lookup_single(parent, &str, ino);
-	if (err)
-		goto out;
-
-	if (!ino) {
-		mutex_lock(&parent->offset_lock);
-		n = pohmelfs_search_hash(parent, str.hash);
-		if (n)
-			ino = n->ino;
-		mutex_unlock(&parent->offset_lock);
-	}
-
-	if (ino) {
-		inode = ilookup(dir->i_sb, ino);
-		dprintk("%s: second lookup ino: %lu, inode: %p, name: '%s', hash: %x.\n",
-				__func__, ino, inode, str.name, str.hash);
-		if (!inode) {
-			dprintk("%s: No inode for ino: %lu, name: '%s', hash: %x.\n",
-				__func__, ino, str.name, str.hash);
-			/* return NULL; */
-			return ERR_PTR(-EACCES);
-		}
-	} else {
-		printk("%s: No inode number : name: '%s', hash: %x.\n",
-			__func__, str.name, str.hash);
-	}
-out:
-	return d_splice_alias(inode, dentry);
-}
-
-/*
- * Create new object in local cache. Object will be synced to server
- * during writeback for given inode.
- */
-struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb,
-	struct pohmelfs_inode *parent, struct qstr *str, u64 start, umode_t mode)
-{
-	struct pohmelfs_inode *npi;
-	int err = -ENOMEM;
-	struct netfs_inode_info info;
-
-	dprintk("%s: name: '%s', mode: %ho, start: %llu.\n",
-			__func__, str->name, mode, start);
-
-	info.mode = mode;
-	info.ino = start;
-
-	if (!start)
-		info.ino = pohmelfs_new_ino(psb);
-
-	info.nlink = S_ISDIR(mode) ? 2 : 1;
-	info.uid = current_fsuid();
-	info.gid = current_fsgid();
-	info.size = 0;
-	info.blocksize = 512;
-	info.blocks = 0;
-	info.rdev = 0;
-	info.version = 0;
-
-	npi = pohmelfs_new_inode(psb, parent, str, &info, !!start);
-	if (IS_ERR(npi)) {
-		err = PTR_ERR(npi);
-		goto err_out_unlock;
-	}
-
-	return npi;
-
-err_out_unlock:
-	dprintk("%s: err: %d.\n", __func__, err);
-	return ERR_PTR(err);
-}
-
-/*
- * Create local object and bind it to dentry.
- */
-static int pohmelfs_create_entry(struct inode *dir, struct dentry *dentry,
-				 u64 start, umode_t mode)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(dir->i_sb);
-	struct pohmelfs_inode *npi, *parent;
-	struct qstr str = dentry->d_name;
-	int err;
-
-	parent = POHMELFS_I(dir);
-
-	err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK);
-	if (err)
-		return err;
-
-	str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-	npi = pohmelfs_create_entry_local(psb, parent, &str, start, mode);
-	if (IS_ERR(npi))
-		return PTR_ERR(npi);
-
-	d_instantiate(dentry, &npi->vfs_inode);
-
-	dprintk("%s: parent: %llu, inode: %llu, name: '%s', parent_nlink: %d, nlink: %d.\n",
-			__func__, parent->ino, npi->ino, dentry->d_name.name,
-			(signed)dir->i_nlink, (signed)npi->vfs_inode.i_nlink);
-
-	return 0;
-}
-
-/*
- * VFS create and mkdir callbacks.
- */
-static int pohmelfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
-		struct nameidata *nd)
-{
-	return pohmelfs_create_entry(dir, dentry, 0, mode);
-}
-
-static int pohmelfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
-{
-	int err;
-
-	inode_inc_link_count(dir);
-	err = pohmelfs_create_entry(dir, dentry, 0, mode | S_IFDIR);
-	if (err)
-		inode_dec_link_count(dir);
-
-	return err;
-}
-
-static int pohmelfs_remove_entry(struct inode *dir, struct dentry *dentry)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(dir->i_sb);
-	struct inode *inode = dentry->d_inode;
-	struct pohmelfs_inode *parent = POHMELFS_I(dir), *pi = POHMELFS_I(inode);
-	struct pohmelfs_name *n;
-	int err = -ENOENT;
-	struct qstr str = dentry->d_name;
-
-	err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK);
-	if (err)
-		return err;
-
-	str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-	dprintk("%s: dir_ino: %llu, inode: %llu, name: '%s', nlink: %d.\n",
-			__func__, parent->ino, pi->ino,
-			str.name, (signed)inode->i_nlink);
-
-	BUG_ON(!inode);
-
-	mutex_lock(&parent->offset_lock);
-	n = pohmelfs_search_hash(parent, str.hash);
-	if (n) {
-		pohmelfs_fix_offset(parent, n);
-		if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state))
-			pohmelfs_remove_child(pi, n);
-
-		pohmelfs_name_free(parent, n);
-		err = 0;
-	}
-	mutex_unlock(&parent->offset_lock);
-
-	if (!err) {
-		psb->avail_size += inode->i_size;
-
-		pohmelfs_inode_del_inode(psb, pi);
-
-		mark_inode_dirty(dir);
-
-		inode->i_ctime = dir->i_ctime;
-		if (inode->i_nlink)
-			inode_dec_link_count(inode);
-	}
-
-	return err;
-}
-
-/*
- * Unlink and rmdir VFS callbacks.
- */
-static int pohmelfs_unlink(struct inode *dir, struct dentry *dentry)
-{
-	return pohmelfs_remove_entry(dir, dentry);
-}
-
-static int pohmelfs_rmdir(struct inode *dir, struct dentry *dentry)
-{
-	int err;
-	struct inode *inode = dentry->d_inode;
-
-	dprintk("%s: parent: %llu, inode: %llu, name: '%s', parent_nlink: %d, nlink: %d.\n",
-			__func__, POHMELFS_I(dir)->ino, POHMELFS_I(inode)->ino,
-			dentry->d_name.name, (signed)dir->i_nlink, (signed)inode->i_nlink);
-
-	err = pohmelfs_remove_entry(dir, dentry);
-	if (!err) {
-		inode_dec_link_count(dir);
-		inode_dec_link_count(inode);
-	}
-
-	return err;
-}
-
-/*
- * Link creation is synchronous.
- * I'm lazy.
- * Earth is somewhat round.
- */
-static int pohmelfs_create_link(struct pohmelfs_inode *parent, struct qstr *obj,
-		struct pohmelfs_inode *target, struct qstr *tstr)
-{
-	struct super_block *sb = parent->vfs_inode.i_sb;
-	struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-	struct netfs_cmd *cmd;
-	struct netfs_trans *t;
-	void *data;
-	int err, parent_len, target_len = 0, cur_len, path_size = 0;
-
-	err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK);
-	if (err)
-		return err;
-
-	err = sb->s_op->write_inode(&parent->vfs_inode, 0);
-	if (err)
-		goto err_out_exit;
-
-	if (tstr)
-		target_len = tstr->len;
-
-	parent_len = pohmelfs_path_length(parent);
-	if (target)
-		target_len += pohmelfs_path_length(target);
-
-	if (parent_len < 0) {
-		err = parent_len;
-		goto err_out_exit;
-	}
-
-	if (target_len < 0) {
-		err = target_len;
-		goto err_out_exit;
-	}
-
-	t = netfs_trans_alloc(psb, parent_len + target_len + obj->len + 2, 0, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-	cur_len = netfs_trans_cur_len(t);
-
-	cmd = netfs_trans_current(t);
-	if (IS_ERR(cmd)) {
-		err = PTR_ERR(cmd);
-		goto err_out_free;
-	}
-
-	data = (void *)(cmd + 1);
-	cur_len -= sizeof(struct netfs_cmd);
-
-	err = pohmelfs_construct_path_string(parent, data, parent_len);
-	if (err > 0) {
-		/* Do not place null-byte before the slash */
-		path_size = err - 1;
-		cur_len -= path_size;
-
-		err = snprintf(data + path_size, cur_len, "/%s|", obj->name);
-
-		path_size += err;
-		cur_len -= err;
-
-		cmd->ext = path_size - 1; /* No | symbol */
-
-		if (target) {
-			err = pohmelfs_construct_path_string(target, data + path_size, target_len);
-			if (err > 0) {
-				path_size += err;
-				cur_len -= err;
-			}
-		}
-	}
-
-	if (err < 0)
-		goto err_out_free;
-
-	cmd->start = 0;
-
-	if (!target && tstr) {
-		if (tstr->len > cur_len - 1) {
-			err = -ENAMETOOLONG;
-			goto err_out_free;
-		}
-
-		err = snprintf(data + path_size, cur_len, "%s", tstr->name) + 1; /* 0-byte */
-		path_size += err;
-		cur_len -= err;
-		cmd->start = 1;
-	}
-
-	dprintk("%s: parent: %llu, obj: '%s', target_inode: %llu, target_str: '%s', full: '%s'.\n",
-			__func__, parent->ino, obj->name, (target) ? target->ino : 0, (tstr) ? tstr->name : NULL,
-			(char *)data);
-
-	cmd->cmd = NETFS_LINK;
-	cmd->size = path_size;
-	cmd->id = parent->ino;
-
-	netfs_convert_cmd(cmd);
-
-	netfs_trans_update(cmd, t, path_size);
-
-	err = netfs_trans_finish(t, psb);
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_free:
-	t->result = err;
-	netfs_trans_put(t);
-err_out_exit:
-	return err;
-}
-
-/*
- *  VFS hard and soft link callbacks.
- */
-static int pohmelfs_link(struct dentry *old_dentry, struct inode *dir,
-	struct dentry *dentry)
-{
-	struct inode *inode = old_dentry->d_inode;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	int err;
-	struct qstr str = dentry->d_name;
-
-	str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-	err = inode->i_sb->s_op->write_inode(inode, 0);
-	if (err)
-		return err;
-
-	err = pohmelfs_create_link(POHMELFS_I(dir), &str, pi, NULL);
-	if (err)
-		return err;
-
-	return pohmelfs_create_entry(dir, dentry, pi->ino, inode->i_mode);
-}
-
-static int pohmelfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
-{
-	struct qstr sym_str;
-	struct qstr str = dentry->d_name;
-	struct inode *inode;
-	int err;
-
-	str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-	sym_str.name = symname;
-	sym_str.len = strlen(symname);
-
-	err = pohmelfs_create_link(POHMELFS_I(dir), &str, NULL, &sym_str);
-	if (err)
-		goto err_out_exit;
-
-	err = pohmelfs_create_entry(dir, dentry, 0, S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO);
-	if (err)
-		goto err_out_exit;
-
-	inode = dentry->d_inode;
-
-	err = page_symlink(inode, symname, sym_str.len + 1);
-	if (err)
-		goto err_out_put;
-
-	return 0;
-
-err_out_put:
-	iput(inode);
-err_out_exit:
-	return err;
-}
-
-static int pohmelfs_send_rename(struct pohmelfs_inode *pi, struct pohmelfs_inode *parent,
-		struct qstr *str)
-{
-	int path_len, err, total_len = 0, inode_len, parent_len;
-	char *path;
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-
-	parent_len = pohmelfs_path_length(parent);
-	inode_len = pohmelfs_path_length(pi);
-
-	if (parent_len < 0 || inode_len < 0)
-		return -EINVAL;
-
-	path_len = parent_len + inode_len + str->len + 3;
-
-	t = netfs_trans_alloc(psb, path_len, 0, 0);
-	if (!t)
-		return -ENOMEM;
-
-	cmd = netfs_trans_current(t);
-	path = (char *)(cmd + 1);
-
-	err = pohmelfs_construct_path_string(pi, path, inode_len);
-	if (err < 0)
-		goto err_out_unlock;
-
-	cmd->ext = err;
-
-	path += err;
-	total_len += err;
-	path_len -= err;
-
-	*path = '|';
-	path++;
-	total_len++;
-	path_len--;
-
-	err = pohmelfs_construct_path_string(parent, path, parent_len);
-	if (err < 0)
-		goto err_out_unlock;
-
-	/*
-	 * Do not place a null-byte before the final slash and the name.
-	 */
-	err--;
-	path += err;
-	total_len += err;
-	path_len -= err;
-
-	err = snprintf(path, path_len - 1, "/%s", str->name);
-
-	total_len += err + 1; /* 0 symbol */
-	path_len -= err + 1;
-
-	cmd->cmd = NETFS_RENAME;
-	cmd->id = pi->ino;
-	cmd->start = parent->ino;
-	cmd->size = total_len;
-
-	netfs_convert_cmd(cmd);
-
-	netfs_trans_update(cmd, t, total_len);
-
-	return netfs_trans_finish(t, psb);
-
-err_out_unlock:
-	netfs_trans_free(t);
-	return err;
-}
-
-static int pohmelfs_rename(struct inode *old_dir, struct dentry *old_dentry,
-			struct inode *new_dir, struct dentry *new_dentry)
-{
-	struct inode *inode = old_dentry->d_inode;
-	struct pohmelfs_inode *old_parent, *pi, *new_parent;
-	struct qstr str = new_dentry->d_name;
-	struct pohmelfs_name *n;
-	unsigned int old_hash;
-	int err = -ENOENT;
-
-	pi = POHMELFS_I(inode);
-	old_parent = POHMELFS_I(old_dir);
-
-	if (new_dir)
-		new_dir->i_sb->s_op->write_inode(new_dir, 0);
-
-	old_hash = jhash(old_dentry->d_name.name, old_dentry->d_name.len, 0);
-	str.hash = jhash(new_dentry->d_name.name, new_dentry->d_name.len, 0);
-
-	str.len = new_dentry->d_name.len;
-	str.name = new_dentry->d_name.name;
-	str.hash = jhash(new_dentry->d_name.name, new_dentry->d_name.len, 0);
-
-	if (new_dir) {
-		new_parent = POHMELFS_I(new_dir);
-		err = -ENOTEMPTY;
-
-		if (S_ISDIR(inode->i_mode) &&
-				new_parent->total_len <= 3)
-			goto err_out_exit;
-	} else {
-		new_parent = old_parent;
-	}
-
-	dprintk("%s: ino: %llu, parent: %llu, name: '%s' -> parent: %llu, name: '%s', i_size: %llu.\n",
-			__func__, pi->ino, old_parent->ino, old_dentry->d_name.name,
-			new_parent->ino, new_dentry->d_name.name, inode->i_size);
-
-	if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state) &&
-			test_bit(NETFS_INODE_OWNED, &pi->state)) {
-		err = pohmelfs_send_rename(pi, new_parent, &str);
-		if (err)
-			goto err_out_exit;
-	}
-
-	n = pohmelfs_name_alloc(str.len + 1);
-	if (!n)
-		goto err_out_exit;
-
-	mutex_lock(&new_parent->offset_lock);
-	n->ino = pi->ino;
-	n->mode = inode->i_mode;
-	n->len = str.len;
-	n->hash = str.hash;
-	sprintf(n->data, "%s", str.name);
-
-	err = pohmelfs_insert_name(new_parent, n);
-	mutex_unlock(&new_parent->offset_lock);
-
-	if (err)
-		goto err_out_exit;
-
-	mutex_lock(&old_parent->offset_lock);
-	n = pohmelfs_search_hash(old_parent, old_hash);
-	if (n)
-		pohmelfs_name_del(old_parent, n);
-	mutex_unlock(&old_parent->offset_lock);
-
-	mark_inode_dirty(inode);
-	mark_inode_dirty(&new_parent->vfs_inode);
-
-	WARN_ON_ONCE(list_empty(&inode->i_dentry));
-
-	return 0;
-
-err_out_exit:
-
-	clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-
-	return err;
-}
-
-/*
- * POHMELFS directory inode operations.
- */
-const struct inode_operations pohmelfs_dir_inode_ops = {
-	.link		= pohmelfs_link,
-	.symlink	= pohmelfs_symlink,
-	.unlink		= pohmelfs_unlink,
-	.mkdir		= pohmelfs_mkdir,
-	.rmdir		= pohmelfs_rmdir,
-	.create		= pohmelfs_create,
-	.lookup 	= pohmelfs_lookup,
-	.setattr	= pohmelfs_setattr,
-	.rename		= pohmelfs_rename,
-};
diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c
deleted file mode 100644
index 807e3f324113..000000000000
--- a/drivers/staging/pohmelfs/inode.c
+++ /dev/null
@@ -1,2055 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/backing-dev.h>
-#include <linux/crypto.h>
-#include <linux/fs.h>
-#include <linux/jhash.h>
-#include <linux/hash.h>
-#include <linux/ktime.h>
-#include <linux/mm.h>
-#include <linux/mount.h>
-#include <linux/pagemap.h>
-#include <linux/pagevec.h>
-#include <linux/parser.h>
-#include <linux/swap.h>
-#include <linux/slab.h>
-#include <linux/statfs.h>
-#include <linux/writeback.h>
-#include <linux/prefetch.h>
-
-#include "netfs.h"
-
-#define POHMELFS_MAGIC_NUM	0x504f482e
-
-static struct kmem_cache *pohmelfs_inode_cache;
-static atomic_t psb_bdi_num = ATOMIC_INIT(0);
-
-/*
- * Removes inode from all trees, drops local name cache and removes all queued
- * requests for object removal.
- */
-void pohmelfs_inode_del_inode(struct pohmelfs_sb *psb, struct pohmelfs_inode *pi)
-{
-	mutex_lock(&pi->offset_lock);
-	pohmelfs_free_names(pi);
-	mutex_unlock(&pi->offset_lock);
-
-	dprintk("%s: deleted stuff in ino: %llu.\n", __func__, pi->ino);
-}
-
-/*
- * Sync inode to server.
- * Returns zero in success and negative error value otherwise.
- * It will gather path to root directory into structures containing
- * creation mode, permissions and names, so that the whole path
- * to given inode could be created using only single network command.
- */
-int pohmelfs_write_inode_create(struct inode *inode, struct netfs_trans *trans)
-{
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	int err = -ENOMEM, size;
-	struct netfs_cmd *cmd;
-	void *data;
-	int cur_len = netfs_trans_cur_len(trans);
-
-	if (unlikely(cur_len < 0))
-		return -ETOOSMALL;
-
-	cmd = netfs_trans_current(trans);
-	cur_len -= sizeof(struct netfs_cmd);
-
-	data = (void *)(cmd + 1);
-
-	err = pohmelfs_construct_path_string(pi, data, cur_len);
-	if (err < 0)
-		goto err_out_exit;
-
-	size = err;
-
-	cmd->start = i_size_read(inode);
-	cmd->cmd = NETFS_CREATE;
-	cmd->size = size;
-	cmd->id = pi->ino;
-	cmd->ext = inode->i_mode;
-
-	netfs_convert_cmd(cmd);
-
-	netfs_trans_update(cmd, trans, size);
-
-	return 0;
-
-err_out_exit:
-	printk("%s: completed ino: %llu, err: %d.\n", __func__, pi->ino, err);
-	return err;
-}
-
-static int pohmelfs_write_trans_complete(struct page **pages, unsigned int page_num,
-		void *private, int err)
-{
-	unsigned i;
-
-	dprintk("%s: pages: %lu-%lu, page_num: %u, err: %d.\n",
-			__func__, pages[0]->index, pages[page_num-1]->index,
-			page_num, err);
-
-	for (i = 0; i < page_num; i++) {
-		struct page *page = pages[i];
-
-		if (!page)
-			continue;
-
-		end_page_writeback(page);
-
-		if (err < 0) {
-			SetPageError(page);
-			set_page_dirty(page);
-		}
-
-		unlock_page(page);
-		page_cache_release(page);
-
-		/* dprintk("%s: %3u/%u: page: %p.\n", __func__, i, page_num, page); */
-	}
-	return err;
-}
-
-static int pohmelfs_inode_has_dirty_pages(struct address_space *mapping, pgoff_t index)
-{
-	int ret;
-	struct page *page;
-
-	rcu_read_lock();
-	ret = radix_tree_gang_lookup_tag(&mapping->page_tree,
-				(void **)&page, index, 1, PAGECACHE_TAG_DIRTY);
-	rcu_read_unlock();
-	return ret;
-}
-
-static int pohmelfs_writepages(struct address_space *mapping, struct writeback_control *wbc)
-{
-	struct inode *inode = mapping->host;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	int err = 0;
-	int done = 0;
-	int nr_pages;
-	pgoff_t index;
-	pgoff_t end;		/* Inclusive */
-	int scanned = 0;
-	int range_whole = 0;
-
-	if (wbc->range_cyclic) {
-		index = mapping->writeback_index; /* Start from prev offset */
-		end = -1;
-	} else {
-		index = wbc->range_start >> PAGE_CACHE_SHIFT;
-		end = wbc->range_end >> PAGE_CACHE_SHIFT;
-		if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
-			range_whole = 1;
-		scanned = 1;
-	}
-retry:
-	while (!done && (index <= end)) {
-		unsigned int i = min(end - index, (pgoff_t)psb->trans_max_pages);
-		int path_len;
-		struct netfs_trans *trans;
-
-		err = pohmelfs_inode_has_dirty_pages(mapping, index);
-		if (!err)
-			break;
-
-		err = pohmelfs_path_length(pi);
-		if (err < 0)
-			break;
-
-		path_len = err;
-
-		if (path_len <= 2) {
-			err = -ENOENT;
-			break;
-		}
-
-		trans = netfs_trans_alloc(psb, path_len, 0, i);
-		if (!trans) {
-			err = -ENOMEM;
-			break;
-		}
-		trans->complete = &pohmelfs_write_trans_complete;
-
-		trans->page_num = nr_pages = find_get_pages_tag(mapping, &index,
-				PAGECACHE_TAG_DIRTY, trans->page_num,
-				trans->pages);
-
-		dprintk("%s: t: %p, nr_pages: %u, end: %lu, index: %lu, max: %u.\n",
-				__func__, trans, nr_pages, end, index, trans->page_num);
-
-		if (!nr_pages)
-			goto err_out_reset;
-
-		err = pohmelfs_write_inode_create(inode, trans);
-		if (err)
-			goto err_out_reset;
-
-		err = 0;
-		scanned = 1;
-
-		for (i = 0; i < trans->page_num; i++) {
-			struct page *page = trans->pages[i];
-
-			lock_page(page);
-
-			if (unlikely(page->mapping != mapping))
-				goto out_continue;
-
-			if (!wbc->range_cyclic && page->index > end) {
-				done = 1;
-				goto out_continue;
-			}
-
-			if (wbc->sync_mode != WB_SYNC_NONE)
-				wait_on_page_writeback(page);
-
-			if (PageWriteback(page) ||
-			    !clear_page_dirty_for_io(page)) {
-				dprintk("%s: not clear for io page: %p, writeback: %d.\n",
-						__func__, page, PageWriteback(page));
-				goto out_continue;
-			}
-
-			set_page_writeback(page);
-
-			trans->attached_size += page_private(page);
-			trans->attached_pages++;
-#if 0
-			dprintk("%s: %u/%u added trans: %p, gen: %u, page: %p, [High: %d], size: %lu, idx: %lu.\n",
-					__func__, i, trans->page_num, trans, trans->gen, page,
-					!!PageHighMem(page), page_private(page), page->index);
-#endif
-			wbc->nr_to_write--;
-
-			if (wbc->nr_to_write <= 0)
-				done = 1;
-
-			continue;
-out_continue:
-			unlock_page(page);
-			trans->pages[i] = NULL;
-		}
-
-		err = netfs_trans_finish(trans, psb);
-		if (err)
-			break;
-
-		continue;
-
-err_out_reset:
-		trans->result = err;
-		netfs_trans_reset(trans);
-		netfs_trans_put(trans);
-		break;
-	}
-
-	if (!scanned && !done) {
-		/*
-		 * We hit the last page and there is more work to be done: wrap
-		 * back to the start of the file
-		 */
-		scanned = 1;
-		index = 0;
-		goto retry;
-	}
-
-	if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
-		mapping->writeback_index = index;
-
-	return err;
-}
-
-/*
- * Inode writeback creation completion callback.
- * Only invoked for just created inodes, which do not have pages attached,
- * like dirs and empty files.
- */
-static int pohmelfs_write_inode_complete(struct page **pages, unsigned int page_num,
-		void *private, int err)
-{
-	struct inode *inode = private;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-	if (inode) {
-		if (err) {
-			mark_inode_dirty(inode);
-			clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-		} else {
-			set_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-		}
-
-		pohmelfs_put_inode(pi);
-	}
-
-	return err;
-}
-
-int pohmelfs_write_create_inode(struct pohmelfs_inode *pi)
-{
-	struct netfs_trans *t;
-	struct inode *inode = &pi->vfs_inode;
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	int err;
-
-	if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state))
-		return 0;
-
-	dprintk("%s: started ino: %llu.\n", __func__, pi->ino);
-
-	err = pohmelfs_path_length(pi);
-	if (err < 0)
-		goto err_out_exit;
-
-	t = netfs_trans_alloc(psb, err + 1, 0, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-	t->complete = pohmelfs_write_inode_complete;
-	t->private = igrab(inode);
-	if (!t->private) {
-		err = -ENOENT;
-		goto err_out_put;
-	}
-
-	err = pohmelfs_write_inode_create(inode, t);
-	if (err)
-		goto err_out_put;
-
-	netfs_trans_finish(t, POHMELFS_SB(inode->i_sb));
-
-	return 0;
-
-err_out_put:
-	t->result = err;
-	netfs_trans_put(t);
-err_out_exit:
-	return err;
-}
-
-/*
- * Sync all not-yet-created children in given directory to the server.
- */
-static int pohmelfs_write_inode_create_children(struct inode *inode)
-{
-	struct pohmelfs_inode *parent = POHMELFS_I(inode);
-	struct super_block *sb = inode->i_sb;
-	struct pohmelfs_name *n;
-
-	while (!list_empty(&parent->sync_create_list)) {
-		n = NULL;
-		mutex_lock(&parent->offset_lock);
-		if (!list_empty(&parent->sync_create_list)) {
-			n = list_first_entry(&parent->sync_create_list,
-				struct pohmelfs_name, sync_create_entry);
-			list_del_init(&n->sync_create_entry);
-		}
-		mutex_unlock(&parent->offset_lock);
-
-		if (!n)
-			break;
-
-		inode = ilookup(sb, n->ino);
-
-		dprintk("%s: parent: %llu, ino: %llu, inode: %p.\n",
-				__func__, parent->ino, n->ino, inode);
-
-		if (inode && (inode->i_state & I_DIRTY)) {
-			struct pohmelfs_inode *pi = POHMELFS_I(inode);
-			pohmelfs_write_create_inode(pi);
-			/* pohmelfs_meta_command(pi, NETFS_INODE_INFO, 0, NULL, NULL, 0); */
-			iput(inode);
-		}
-	}
-
-	return 0;
-}
-
-/*
- * Removes given child from given inode on server.
- */
-int pohmelfs_remove_child(struct pohmelfs_inode *pi, struct pohmelfs_name *n)
-{
-	return pohmelfs_meta_command_data(pi, pi->ino, NETFS_REMOVE, NULL, 0, NULL, NULL, 0);
-}
-
-/*
- * Writeback for given inode.
- */
-static int pohmelfs_write_inode(struct inode *inode,
-				struct writeback_control *wbc)
-{
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-	pohmelfs_write_create_inode(pi);
-	pohmelfs_write_inode_create_children(inode);
-
-	return 0;
-}
-
-/*
- * It is not exported, sorry...
- */
-static inline wait_queue_head_t *page_waitqueue(struct page *page)
-{
-	const struct zone *zone = page_zone(page);
-
-	return &zone->wait_table[hash_ptr(page, zone->wait_table_bits)];
-}
-
-static int pohmelfs_wait_on_page_locked(struct page *page)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(page->mapping->host->i_sb);
-	long ret = psb->wait_on_page_timeout;
-	DEFINE_WAIT_BIT(wait, &page->flags, PG_locked);
-	int err = 0;
-
-	if (!PageLocked(page))
-		return 0;
-
-	for (;;) {
-		prepare_to_wait(page_waitqueue(page),
-				&wait.wait, TASK_INTERRUPTIBLE);
-
-		dprintk("%s: page: %p, locked: %d, uptodate: %d, error: %d, flags: %lx.\n",
-				__func__, page, PageLocked(page), PageUptodate(page),
-				PageError(page), page->flags);
-
-		if (!PageLocked(page))
-			break;
-
-		if (!signal_pending(current)) {
-			ret = schedule_timeout(ret);
-			if (!ret)
-				break;
-			continue;
-		}
-		ret = -ERESTARTSYS;
-		break;
-	}
-	finish_wait(page_waitqueue(page), &wait.wait);
-
-	if (!ret)
-		err = -ETIMEDOUT;
-
-
-	if (!err)
-		SetPageUptodate(page);
-
-	if (err)
-		printk("%s: page: %p, uptodate: %d, locked: %d, err: %d.\n",
-			__func__, page, PageUptodate(page), PageLocked(page), err);
-
-	return err;
-}
-
-static int pohmelfs_read_page_complete(struct page **pages, unsigned int page_num,
-		void *private, int err)
-{
-	struct page *page = private;
-
-	if (PageChecked(page))
-		return err;
-
-	if (err < 0) {
-		dprintk("%s: page: %p, err: %d.\n", __func__, page, err);
-		SetPageError(page);
-	}
-
-	unlock_page(page);
-
-	return err;
-}
-
-/*
- * Read a page from remote server.
- * Function will wait until page is unlocked.
- */
-static int pohmelfs_readpage(struct file *file, struct page *page)
-{
-	struct inode *inode = page->mapping->host;
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	int err, path_len;
-	void *data;
-	u64 isize;
-
-	err = pohmelfs_data_lock(pi, page->index << PAGE_CACHE_SHIFT,
-			PAGE_SIZE, POHMELFS_READ_LOCK);
-	if (err)
-		goto err_out_exit;
-
-	isize = i_size_read(inode);
-	if (isize <= page->index << PAGE_CACHE_SHIFT) {
-		SetPageUptodate(page);
-		unlock_page(page);
-		return 0;
-	}
-
-	path_len = pohmelfs_path_length(pi);
-	if (path_len < 0) {
-		err = path_len;
-		goto err_out_exit;
-	}
-
-	t = netfs_trans_alloc(psb, path_len, NETFS_TRANS_SINGLE_DST, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-
-	t->complete = pohmelfs_read_page_complete;
-	t->private = page;
-
-	cmd = netfs_trans_current(t);
-	data = (void *)(cmd + 1);
-
-	err = pohmelfs_construct_path_string(pi, data, path_len);
-	if (err < 0)
-		goto err_out_free;
-
-	path_len = err;
-
-	cmd->id = pi->ino;
-	cmd->start = page->index;
-	cmd->start <<= PAGE_CACHE_SHIFT;
-	cmd->size = PAGE_CACHE_SIZE + path_len;
-	cmd->cmd = NETFS_READ_PAGE;
-	cmd->ext = path_len;
-
-	dprintk("%s: path: '%s', page: %p, ino: %llu, start: %llu, size: %lu.\n",
-			__func__, (char *)data, page, pi->ino, cmd->start, PAGE_CACHE_SIZE);
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, path_len);
-
-	err = netfs_trans_finish(t, psb);
-	if (err)
-		goto err_out_return;
-
-	return pohmelfs_wait_on_page_locked(page);
-
-err_out_free:
-	t->result = err;
-	netfs_trans_put(t);
-err_out_exit:
-	SetPageError(page);
-	if (PageLocked(page))
-		unlock_page(page);
-err_out_return:
-	printk("%s: page: %p, start: %lu, size: %lu, err: %d.\n",
-		__func__, page, page->index << PAGE_CACHE_SHIFT, PAGE_CACHE_SIZE, err);
-
-	return err;
-}
-
-/*
- * Write begin/end magic.
- * Allocates a page and writes inode if it was not synced to server before.
- */
-static int pohmelfs_write_begin(struct file *file, struct address_space *mapping,
-		loff_t pos, unsigned len, unsigned flags,
-		struct page **pagep, void **fsdata)
-{
-	struct inode *inode = mapping->host;
-	struct page *page;
-	pgoff_t index;
-	unsigned start, end;
-	int err;
-
-	*pagep = NULL;
-
-	index = pos >> PAGE_CACHE_SHIFT;
-	start = pos & (PAGE_CACHE_SIZE - 1);
-	end = start + len;
-
-	page = grab_cache_page(mapping, index);
-#if 0
-	dprintk("%s: page: %p pos: %llu, len: %u, index: %lu, start: %u, end: %u, uptodate: %d.\n",
-			__func__, page,	pos, len, index, start, end, PageUptodate(page));
-#endif
-	if (!page) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-
-	while (!PageUptodate(page)) {
-		if (start && test_bit(NETFS_INODE_REMOTE_SYNCED, &POHMELFS_I(inode)->state)) {
-			err = pohmelfs_readpage(file, page);
-			if (err)
-				goto err_out_exit;
-
-			lock_page(page);
-			continue;
-		}
-
-		if (len != PAGE_CACHE_SIZE) {
-			void *kaddr = kmap_atomic(page, KM_USER0);
-
-			memset(kaddr + start, 0, PAGE_CACHE_SIZE - start);
-			flush_dcache_page(page);
-			kunmap_atomic(kaddr, KM_USER0);
-		}
-		SetPageUptodate(page);
-	}
-
-	set_page_private(page, end);
-
-	*pagep = page;
-
-	return 0;
-
-err_out_exit:
-	page_cache_release(page);
-	*pagep = NULL;
-
-	return err;
-}
-
-static int pohmelfs_write_end(struct file *file, struct address_space *mapping,
-			loff_t pos, unsigned len, unsigned copied,
-			struct page *page, void *fsdata)
-{
-	struct inode *inode = mapping->host;
-
-	if (copied != len) {
-		unsigned from = pos & (PAGE_CACHE_SIZE - 1);
-		void *kaddr = kmap_atomic(page, KM_USER0);
-
-		memset(kaddr + from + copied, 0, len - copied);
-		flush_dcache_page(page);
-		kunmap_atomic(kaddr, KM_USER0);
-	}
-
-	SetPageUptodate(page);
-	set_page_dirty(page);
-#if 0
-	dprintk("%s: page: %p [U: %d, D: %d, L: %d], pos: %llu, len: %u, copied: %u.\n",
-			__func__, page,
-			PageUptodate(page), PageDirty(page), PageLocked(page),
-			pos, len, copied);
-#endif
-	flush_dcache_page(page);
-
-	unlock_page(page);
-	page_cache_release(page);
-
-	if (pos + copied > inode->i_size) {
-		struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-
-		psb->avail_size -= pos + copied - inode->i_size;
-
-		i_size_write(inode, pos + copied);
-	}
-
-	return copied;
-}
-
-static int pohmelfs_readpages_trans_complete(struct page **__pages, unsigned int page_num,
-		void *private, int err)
-{
-	struct pohmelfs_inode *pi = private;
-	unsigned int i, num;
-	struct page **pages, *page = (struct page *)__pages;
-	loff_t index = page->index;
-
-	pages = kzalloc(sizeof(void *) * page_num, GFP_NOIO);
-	if (!pages)
-		return -ENOMEM;
-
-	num = find_get_pages_contig(pi->vfs_inode.i_mapping, index, page_num, pages);
-	if (num <= 0) {
-		err = num;
-		goto err_out_free;
-	}
-
-	for (i = 0; i < num; ++i) {
-		page = pages[i];
-
-		if (err)
-			printk("%s: %u/%u: page: %p, index: %lu, uptodate: %d, locked: %d, err: %d.\n",
-				__func__, i, num, page, page->index,
-				PageUptodate(page), PageLocked(page), err);
-
-		if (!PageChecked(page)) {
-			if (err < 0)
-				SetPageError(page);
-			unlock_page(page);
-		}
-		page_cache_release(page);
-		page_cache_release(page);
-	}
-
-err_out_free:
-	kfree(pages);
-	return err;
-}
-
-static int pohmelfs_send_readpages(struct pohmelfs_inode *pi, struct page *first, unsigned int num)
-{
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-	int err, path_len;
-	void *data;
-
-	err = pohmelfs_data_lock(pi, first->index << PAGE_CACHE_SHIFT,
-			num * PAGE_SIZE, POHMELFS_READ_LOCK);
-	if (err)
-		goto err_out_exit;
-
-	path_len = pohmelfs_path_length(pi);
-	if (path_len < 0) {
-		err = path_len;
-		goto err_out_exit;
-	}
-
-	t = netfs_trans_alloc(psb, path_len, NETFS_TRANS_SINGLE_DST, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-
-	cmd = netfs_trans_current(t);
-	data = (void *)(cmd + 1);
-
-	t->complete = pohmelfs_readpages_trans_complete;
-	t->private = pi;
-	t->page_num = num;
-	t->pages = (struct page **)first;
-
-	err = pohmelfs_construct_path_string(pi, data, path_len);
-	if (err < 0)
-		goto err_out_put;
-
-	path_len = err;
-
-	cmd->cmd = NETFS_READ_PAGES;
-	cmd->start = first->index;
-	cmd->start <<= PAGE_CACHE_SHIFT;
-	cmd->size = (num << 8 | PAGE_CACHE_SHIFT);
-	cmd->id = pi->ino;
-	cmd->ext = path_len;
-
-	dprintk("%s: t: %p, gen: %u, path: '%s', path_len: %u, "
-			"start: %lu, num: %u.\n",
-			__func__, t, t->gen, (char *)data, path_len,
-			first->index, num);
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, path_len);
-
-	return netfs_trans_finish(t, psb);
-
-err_out_put:
-	netfs_trans_free(t);
-err_out_exit:
-	pohmelfs_readpages_trans_complete((struct page **)first, num, pi, err);
-	return err;
-}
-
-#define list_to_page(head) (list_entry((head)->prev, struct page, lru))
-
-static int pohmelfs_readpages(struct file *file, struct address_space *mapping,
-			struct list_head *pages, unsigned nr_pages)
-{
-	unsigned int page_idx, num = 0;
-	struct page *page = NULL, *first = NULL;
-
-	for (page_idx = 0; page_idx < nr_pages; page_idx++) {
-		page = list_to_page(pages);
-
-		prefetchw(&page->flags);
-		list_del(&page->lru);
-
-		if (!add_to_page_cache_lru(page, mapping,
-					page->index, GFP_KERNEL)) {
-
-			if (!num) {
-				num = 1;
-				first = page;
-				continue;
-			}
-
-			dprintk("%s: added to lru page: %p, page_index: %lu, first_index: %lu.\n",
-					__func__, page, page->index, first->index);
-
-			if (unlikely(first->index + num != page->index) || (num > 500)) {
-				pohmelfs_send_readpages(POHMELFS_I(mapping->host),
-						first, num);
-				first = page;
-				num = 0;
-			}
-
-			num++;
-		}
-	}
-	pohmelfs_send_readpages(POHMELFS_I(mapping->host), first, num);
-
-	/*
-	 * This will be sync read, so when last page is processed,
-	 * all previous are alerady unlocked and ready to be used.
-	 */
-	return 0;
-}
-
-/*
- * Small address space operations for POHMELFS.
- */
-const struct address_space_operations pohmelfs_aops = {
-	.readpage		= pohmelfs_readpage,
-	.readpages		= pohmelfs_readpages,
-	.writepages		= pohmelfs_writepages,
-	.write_begin		= pohmelfs_write_begin,
-	.write_end		= pohmelfs_write_end,
-	.set_page_dirty 	= __set_page_dirty_nobuffers,
-};
-
-static void pohmelfs_i_callback(struct rcu_head *head)
-{
-	struct inode *inode = container_of(head, struct inode, i_rcu);
-	kmem_cache_free(pohmelfs_inode_cache, POHMELFS_I(inode));
-}
-
-/*
- * ->destroy_inode() callback. Deletes inode from the caches
- *  and frees private data.
- */
-static void pohmelfs_destroy_inode(struct inode *inode)
-{
-	struct super_block *sb = inode->i_sb;
-	struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-	/* pohmelfs_data_unlock(pi, 0, inode->i_size, POHMELFS_READ_LOCK); */
-
-	pohmelfs_inode_del_inode(psb, pi);
-
-	dprintk("%s: pi: %p, inode: %p, ino: %llu.\n",
-		__func__, pi, &pi->vfs_inode, pi->ino);
-	atomic_long_dec(&psb->total_inodes);
-	call_rcu(&inode->i_rcu, pohmelfs_i_callback);
-}
-
-/*
- * ->alloc_inode() callback. Allocates inode and initializes private data.
- */
-static struct inode *pohmelfs_alloc_inode(struct super_block *sb)
-{
-	struct pohmelfs_inode *pi;
-
-	pi = kmem_cache_alloc(pohmelfs_inode_cache, GFP_NOIO);
-	if (!pi)
-		return NULL;
-
-	pi->hash_root = RB_ROOT;
-	mutex_init(&pi->offset_lock);
-
-	INIT_LIST_HEAD(&pi->sync_create_list);
-
-	INIT_LIST_HEAD(&pi->inode_entry);
-
-	pi->lock_type = 0;
-	pi->state = 0;
-	pi->total_len = 0;
-	pi->drop_count = 0;
-
-	dprintk("%s: pi: %p, inode: %p.\n", __func__, pi, &pi->vfs_inode);
-
-	atomic_long_inc(&POHMELFS_SB(sb)->total_inodes);
-
-	return &pi->vfs_inode;
-}
-
-/*
- * We want fsync() to work on POHMELFS.
- */
-static int pohmelfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
-{
-	struct inode *inode = file->f_mapping->host;
-	int err = filemap_write_and_wait_range(inode->i_mapping, start, end);
-	if (!err) {
-		mutex_lock(&inode->i_mutex);
-		err = sync_inode_metadata(inode, 1);
-		mutex_unlock(&inode->i_mutex);
-	}
-	return err;
-}
-
-ssize_t pohmelfs_write(struct file *file, const char __user *buf,
-		size_t len, loff_t *ppos)
-{
-	struct address_space *mapping = file->f_mapping;
-	struct inode *inode = mapping->host;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = len };
-	struct kiocb kiocb;
-	ssize_t ret;
-	loff_t pos = *ppos;
-
-	init_sync_kiocb(&kiocb, file);
-	kiocb.ki_pos = pos;
-	kiocb.ki_left = len;
-
-	dprintk("%s: len: %zu, pos: %llu.\n", __func__, len, pos);
-
-	mutex_lock(&inode->i_mutex);
-	ret = pohmelfs_data_lock(pi, pos, len, POHMELFS_WRITE_LOCK);
-	if (ret)
-		goto err_out_unlock;
-
-	ret = __generic_file_aio_write(&kiocb, &iov, 1, &kiocb.ki_pos);
-	*ppos = kiocb.ki_pos;
-
-	mutex_unlock(&inode->i_mutex);
-	WARN_ON(ret < 0);
-
-	if (ret > 0) {
-		ssize_t err;
-
-		err = generic_write_sync(file, pos, ret);
-		if (err < 0)
-			ret = err;
-		WARN_ON(ret < 0);
-	}
-
-	return ret;
-
-err_out_unlock:
-	mutex_unlock(&inode->i_mutex);
-	return ret;
-}
-
-static const struct file_operations pohmelfs_file_ops = {
-	.open		= generic_file_open,
-	.fsync		= pohmelfs_fsync,
-
-	.llseek		= generic_file_llseek,
-
-	.read		= do_sync_read,
-	.aio_read	= generic_file_aio_read,
-
-	.mmap		= generic_file_mmap,
-
-	.splice_read	= generic_file_splice_read,
-	.splice_write	= generic_file_splice_write,
-
-	.write		= pohmelfs_write,
-	.aio_write	= generic_file_aio_write,
-};
-
-const struct inode_operations pohmelfs_symlink_inode_operations = {
-	.readlink	= generic_readlink,
-	.follow_link	= page_follow_link_light,
-	.put_link	= page_put_link,
-};
-
-int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr)
-{
-	int err;
-
-	err = inode_change_ok(inode, attr);
-	if (err) {
-		dprintk("%s: ino: %llu, inode changes are not allowed.\n", __func__, POHMELFS_I(inode)->ino);
-		goto err_out_exit;
-	}
-
-	if ((attr->ia_valid & ATTR_SIZE) &&
-	    attr->ia_size != i_size_read(inode)) {
-		err = vmtruncate(inode, attr->ia_size);
-		if (err) {
-			dprintk("%s: ino: %llu, failed to set the attributes.\n", __func__, POHMELFS_I(inode)->ino);
-			goto err_out_exit;
-		}
-	}
-
-	setattr_copy(inode, attr);
-	mark_inode_dirty(inode);
-
-	dprintk("%s: ino: %llu, mode: %o -> %o, uid: %u -> %u, gid: %u -> %u, size: %llu -> %llu.\n",
-			__func__, POHMELFS_I(inode)->ino, inode->i_mode, attr->ia_mode,
-			inode->i_uid, attr->ia_uid, inode->i_gid, attr->ia_gid, inode->i_size, attr->ia_size);
-
-	return 0;
-
-err_out_exit:
-	return err;
-}
-
-int pohmelfs_setattr(struct dentry *dentry, struct iattr *attr)
-{
-	struct inode *inode = dentry->d_inode;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	int err;
-
-	err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_WRITE_LOCK);
-	if (err)
-		goto err_out_exit;
-
-	err = security_inode_setattr(dentry, attr);
-	if (err)
-		goto err_out_exit;
-
-	err = pohmelfs_setattr_raw(inode, attr);
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_exit:
-	return err;
-}
-
-static int pohmelfs_send_xattr_req(struct pohmelfs_inode *pi, u64 id, u64 start,
-		const char *name, const void *value, size_t attrsize, int command)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-	int err, path_len, namelen = strlen(name) + 1; /* 0-byte */
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	void *data;
-
-	dprintk("%s: id: %llu, start: %llu, name: '%s', attrsize: %zu, cmd: %d.\n",
-			__func__, id, start, name, attrsize, command);
-
-	path_len = pohmelfs_path_length(pi);
-	if (path_len < 0) {
-		err = path_len;
-		goto err_out_exit;
-	}
-
-	t = netfs_trans_alloc(psb, namelen + path_len + attrsize, 0, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-
-	cmd = netfs_trans_current(t);
-	data = cmd + 1;
-
-	path_len = pohmelfs_construct_path_string(pi, data, path_len);
-	if (path_len < 0) {
-		err = path_len;
-		goto err_out_put;
-	}
-	data += path_len;
-
-	/*
-	 * 'name' is a NUL-terminated string already and
-	 * 'namelen' includes 0-byte.
-	 */
-	memcpy(data, name, namelen);
-	data += namelen;
-
-	memcpy(data, value, attrsize);
-
-	cmd->cmd = command;
-	cmd->id = id;
-	cmd->start = start;
-	cmd->size = attrsize + namelen + path_len;
-	cmd->ext = path_len;
-	cmd->csize = 0;
-	cmd->cpad = 0;
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, namelen + path_len + attrsize);
-
-	return netfs_trans_finish(t, psb);
-
-err_out_put:
-	t->result = err;
-	netfs_trans_put(t);
-err_out_exit:
-	return err;
-}
-
-static int pohmelfs_setxattr(struct dentry *dentry, const char *name,
-		const void *value, size_t attrsize, int flags)
-{
-	struct inode *inode = dentry->d_inode;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-
-	if (!(psb->state_flags & POHMELFS_FLAGS_XATTR))
-		return -EOPNOTSUPP;
-
-	return pohmelfs_send_xattr_req(pi, flags, attrsize, name,
-			value, attrsize, NETFS_XATTR_SET);
-}
-
-static ssize_t pohmelfs_getxattr(struct dentry *dentry, const char *name,
-		void *value, size_t attrsize)
-{
-	struct inode *inode = dentry->d_inode;
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	struct pohmelfs_mcache *m;
-	int err;
-	long timeout = psb->mcache_timeout;
-
-	if (!(psb->state_flags & POHMELFS_FLAGS_XATTR))
-		return -EOPNOTSUPP;
-
-	m = pohmelfs_mcache_alloc(psb, 0, attrsize, value);
-	if (IS_ERR(m))
-		return PTR_ERR(m);
-
-	dprintk("%s: ino: %llu, name: '%s', size: %zu.\n",
-			__func__, pi->ino, name, attrsize);
-
-	err = pohmelfs_send_xattr_req(pi, m->gen, attrsize, name, value, 0, NETFS_XATTR_GET);
-	if (err)
-		goto err_out_put;
-
-	do {
-		err = wait_for_completion_timeout(&m->complete, timeout);
-		if (err) {
-			err = m->err;
-			break;
-		}
-
-		/*
-		 * This loop is a bit ugly, since it waits until reference counter
-		 * hits 1 and then puts the object here. Main goal is to prevent race with
-		 * the network thread, when it can start processing the given request, i.e.
-		 * increase its reference counter but yet not complete it, while
-		 * we will exit from ->getxattr() with timeout, and although request
-		 * will not be freed (its reference counter was increased by network
-		 * thread), data pointer provided by user may be released, so we will
-		 * overwrite an already freed area in the network thread.
-		 *
-		 * Now after timeout we remove request from the cache, so it can not be
-		 * found by network thread, and wait for its reference counter to hit 1,
-		 * i.e. if network thread already started to process this request, we wait
-		 * for it to finish, and then free object locally. If reference counter is
-		 * already 1, i.e. request is not used by anyone else, we can free it without
-		 * problem.
-		 */
-		err = -ETIMEDOUT;
-		timeout = HZ;
-
-		pohmelfs_mcache_remove_locked(psb, m);
-	} while (atomic_read(&m->refcnt) != 1);
-
-	pohmelfs_mcache_put(psb, m);
-
-	dprintk("%s: ino: %llu, err: %d.\n", __func__, pi->ino, err);
-
-	return err;
-
-err_out_put:
-	pohmelfs_mcache_put(psb, m);
-	return err;
-}
-
-static int pohmelfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
-{
-	struct inode *inode = dentry->d_inode;
-#if 0
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-	int err;
-
-	err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK);
-	if (err)
-		return err;
-	dprintk("%s: ino: %llu, mode: %o, uid: %u, gid: %u, size: %llu.\n",
-			__func__, pi->ino, inode->i_mode, inode->i_uid,
-			inode->i_gid, inode->i_size);
-#endif
-
-	generic_fillattr(inode, stat);
-	return 0;
-}
-
-const struct inode_operations pohmelfs_file_inode_operations = {
-	.setattr	= pohmelfs_setattr,
-	.getattr	= pohmelfs_getattr,
-	.setxattr	= pohmelfs_setxattr,
-	.getxattr	= pohmelfs_getxattr,
-};
-
-/*
- * Fill inode data: mode, size, operation callbacks and so on...
- */
-void pohmelfs_fill_inode(struct inode *inode, struct netfs_inode_info *info)
-{
-	inode->i_mode = info->mode;
-	set_nlink(inode, info->nlink);
-	inode->i_uid = info->uid;
-	inode->i_gid = info->gid;
-	inode->i_blocks = info->blocks;
-	inode->i_rdev = info->rdev;
-	inode->i_size = info->size;
-	inode->i_version = info->version;
-	inode->i_blkbits = ffs(info->blocksize);
-
-	dprintk("%s: inode: %p, num: %lu/%llu inode is regular: %d, dir: %d, link: %d, mode: %o, size: %llu.\n",
-			__func__, inode, inode->i_ino, info->ino,
-			S_ISREG(inode->i_mode), S_ISDIR(inode->i_mode),
-			S_ISLNK(inode->i_mode), inode->i_mode, inode->i_size);
-
-	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
-
-	/*
-	 * i_mapping is a pointer to i_data during inode initialization.
-	 */
-	inode->i_data.a_ops = &pohmelfs_aops;
-
-	if (S_ISREG(inode->i_mode)) {
-		inode->i_fop = &pohmelfs_file_ops;
-		inode->i_op = &pohmelfs_file_inode_operations;
-	} else if (S_ISDIR(inode->i_mode)) {
-		inode->i_fop = &pohmelfs_dir_fops;
-		inode->i_op = &pohmelfs_dir_inode_ops;
-	} else if (S_ISLNK(inode->i_mode)) {
-		inode->i_op = &pohmelfs_symlink_inode_operations;
-		inode->i_fop = &pohmelfs_file_ops;
-	} else {
-		inode->i_fop = &generic_ro_fops;
-	}
-}
-
-static int pohmelfs_drop_inode(struct inode *inode)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-	spin_lock(&psb->ino_lock);
-	list_del_init(&pi->inode_entry);
-	spin_unlock(&psb->ino_lock);
-
-	return generic_drop_inode(inode);
-}
-
-static struct pohmelfs_inode *pohmelfs_get_inode_from_list(struct pohmelfs_sb *psb,
-		struct list_head *head, unsigned int *count)
-{
-	struct pohmelfs_inode *pi = NULL;
-
-	spin_lock(&psb->ino_lock);
-	if (!list_empty(head)) {
-		pi = list_entry(head->next, struct pohmelfs_inode,
-					inode_entry);
-		list_del_init(&pi->inode_entry);
-		*count = pi->drop_count;
-		pi->drop_count = 0;
-	}
-	spin_unlock(&psb->ino_lock);
-
-	return pi;
-}
-
-static void pohmelfs_flush_transactions(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config *c;
-
-	mutex_lock(&psb->state_lock);
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		pohmelfs_state_flush_transactions(&c->state);
-	}
-	mutex_unlock(&psb->state_lock);
-}
-
-/*
- * ->put_super() callback. Invoked before superblock is destroyed,
- *  so it has to clean all private data.
- */
-static void pohmelfs_put_super(struct super_block *sb)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-	struct pohmelfs_inode *pi;
-	unsigned int count = 0;
-	unsigned int in_drop_list = 0;
-	struct inode *inode, *tmp;
-
-	dprintk("%s.\n", __func__);
-
-	/*
-	 * Kill pending transactions, which could affect inodes in-flight.
-	 */
-	pohmelfs_flush_transactions(psb);
-
-	while ((pi = pohmelfs_get_inode_from_list(psb, &psb->drop_list, &count))) {
-		inode = &pi->vfs_inode;
-
-		dprintk("%s: ino: %llu, pi: %p, inode: %p, count: %u.\n",
-				__func__, pi->ino, pi, inode, count);
-
-		if (atomic_read(&inode->i_count) != count) {
-			printk("%s: ino: %llu, pi: %p, inode: %p, count: %u, i_count: %d.\n",
-					__func__, pi->ino, pi, inode, count,
-					atomic_read(&inode->i_count));
-			count = atomic_read(&inode->i_count);
-			in_drop_list++;
-		}
-
-		while (count--)
-			iput(&pi->vfs_inode);
-	}
-
-	list_for_each_entry_safe(inode, tmp, &sb->s_inodes, i_sb_list) {
-		pi = POHMELFS_I(inode);
-
-		dprintk("%s: ino: %llu, pi: %p, inode: %p, i_count: %u.\n",
-				__func__, pi->ino, pi, inode, atomic_read(&inode->i_count));
-
-		/*
-		 * These are special inodes, they were created during
-		 * directory reading or lookup, and were not bound to dentry,
-		 * so they live here with reference counter being 1 and prevent
-		 * umount from succeed since it believes that they are busy.
-		 */
-		count = atomic_read(&inode->i_count);
-		if (count) {
-			list_del_init(&inode->i_sb_list);
-			while (count--)
-				iput(&pi->vfs_inode);
-		}
-	}
-
-	psb->trans_scan_timeout = psb->drop_scan_timeout = 0;
-	cancel_delayed_work_sync(&psb->dwork);
-	cancel_delayed_work_sync(&psb->drop_dwork);
-	flush_scheduled_work();
-
-	dprintk("%s: stopped workqueues.\n", __func__);
-
-	pohmelfs_crypto_exit(psb);
-	pohmelfs_state_exit(psb);
-
-	bdi_destroy(&psb->bdi);
-
-	kfree(psb);
-	sb->s_fs_info = NULL;
-}
-
-static int pohmelfs_statfs(struct dentry *dentry, struct kstatfs *buf)
-{
-	struct super_block *sb = dentry->d_sb;
-	struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-
-	/*
-	 * There are no filesystem size limits yet.
-	 */
-	memset(buf, 0, sizeof(struct kstatfs));
-
-	buf->f_type = POHMELFS_MAGIC_NUM; /* 'POH.' */
-	buf->f_bsize = sb->s_blocksize;
-	buf->f_files = psb->ino;
-	buf->f_namelen = 255;
-	buf->f_files = atomic_long_read(&psb->total_inodes);
-	buf->f_bfree = buf->f_bavail = psb->avail_size >> PAGE_SHIFT;
-	buf->f_blocks = psb->total_size >> PAGE_SHIFT;
-
-	dprintk("%s: total: %llu, avail: %llu, inodes: %llu, bsize: %lu.\n",
-		__func__, psb->total_size, psb->avail_size, buf->f_files, sb->s_blocksize);
-
-	return 0;
-}
-
-static int pohmelfs_show_options(struct seq_file *seq, struct dentry *root)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb);
-
-	seq_printf(seq, ",idx=%u", psb->idx);
-	seq_printf(seq, ",trans_scan_timeout=%u", jiffies_to_msecs(psb->trans_scan_timeout));
-	seq_printf(seq, ",drop_scan_timeout=%u", jiffies_to_msecs(psb->drop_scan_timeout));
-	seq_printf(seq, ",wait_on_page_timeout=%u", jiffies_to_msecs(psb->wait_on_page_timeout));
-	seq_printf(seq, ",trans_retries=%u", psb->trans_retries);
-	seq_printf(seq, ",crypto_thread_num=%u", psb->crypto_thread_num);
-	seq_printf(seq, ",trans_max_pages=%u", psb->trans_max_pages);
-	seq_printf(seq, ",mcache_timeout=%u", jiffies_to_msecs(psb->mcache_timeout));
-	if (psb->crypto_fail_unsupported)
-		seq_printf(seq, ",crypto_fail_unsupported");
-
-	return 0;
-}
-
-enum {
-	pohmelfs_opt_idx,
-	pohmelfs_opt_crypto_thread_num,
-	pohmelfs_opt_trans_max_pages,
-	pohmelfs_opt_crypto_fail_unsupported,
-
-	/* Remountable options */
-	pohmelfs_opt_trans_scan_timeout,
-	pohmelfs_opt_drop_scan_timeout,
-	pohmelfs_opt_wait_on_page_timeout,
-	pohmelfs_opt_trans_retries,
-	pohmelfs_opt_mcache_timeout,
-};
-
-static struct match_token pohmelfs_tokens[] = {
-	{pohmelfs_opt_idx, "idx=%u"},
-	{pohmelfs_opt_crypto_thread_num, "crypto_thread_num=%u"},
-	{pohmelfs_opt_trans_max_pages, "trans_max_pages=%u"},
-	{pohmelfs_opt_crypto_fail_unsupported, "crypto_fail_unsupported"},
-	{pohmelfs_opt_trans_scan_timeout, "trans_scan_timeout=%u"},
-	{pohmelfs_opt_drop_scan_timeout, "drop_scan_timeout=%u"},
-	{pohmelfs_opt_wait_on_page_timeout, "wait_on_page_timeout=%u"},
-	{pohmelfs_opt_trans_retries, "trans_retries=%u"},
-	{pohmelfs_opt_mcache_timeout, "mcache_timeout=%u"},
-};
-
-static int pohmelfs_parse_options(char *options, struct pohmelfs_sb *psb, int remount)
-{
-	char *p;
-	substring_t args[MAX_OPT_ARGS];
-	int option, err;
-
-	if (!options)
-		return 0;
-
-	while ((p = strsep(&options, ",")) != NULL) {
-		int token;
-		if (!*p)
-			continue;
-
-		token = match_token(p, pohmelfs_tokens, args);
-
-		err = match_int(&args[0], &option);
-		if (err)
-			return err;
-
-		if (remount && token <= pohmelfs_opt_crypto_fail_unsupported)
-			continue;
-
-		switch (token) {
-		case pohmelfs_opt_idx:
-			psb->idx = option;
-			break;
-		case pohmelfs_opt_trans_scan_timeout:
-			psb->trans_scan_timeout = msecs_to_jiffies(option);
-			break;
-		case pohmelfs_opt_drop_scan_timeout:
-			psb->drop_scan_timeout = msecs_to_jiffies(option);
-			break;
-		case pohmelfs_opt_wait_on_page_timeout:
-			psb->wait_on_page_timeout = msecs_to_jiffies(option);
-			break;
-		case pohmelfs_opt_mcache_timeout:
-			psb->mcache_timeout = msecs_to_jiffies(option);
-			break;
-		case pohmelfs_opt_trans_retries:
-			psb->trans_retries = option;
-			break;
-		case pohmelfs_opt_crypto_thread_num:
-			psb->crypto_thread_num = option;
-			break;
-		case pohmelfs_opt_trans_max_pages:
-			psb->trans_max_pages = option;
-			break;
-		case pohmelfs_opt_crypto_fail_unsupported:
-			psb->crypto_fail_unsupported = 1;
-			break;
-		default:
-			return -EINVAL;
-		}
-	}
-
-	return 0;
-}
-
-static int pohmelfs_remount(struct super_block *sb, int *flags, char *data)
-{
-	int err;
-	struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-	unsigned long old_sb_flags = sb->s_flags;
-
-	err = pohmelfs_parse_options(data, psb, 1);
-	if (err)
-		goto err_out_restore;
-
-	if (!(*flags & MS_RDONLY))
-		sb->s_flags &= ~MS_RDONLY;
-	return 0;
-
-err_out_restore:
-	sb->s_flags = old_sb_flags;
-	return err;
-}
-
-static void pohmelfs_flush_inode(struct pohmelfs_inode *pi, unsigned int count)
-{
-	struct inode *inode = &pi->vfs_inode;
-
-	dprintk("%s: %p: ino: %llu, owned: %d.\n",
-		__func__, inode, pi->ino, test_bit(NETFS_INODE_OWNED, &pi->state));
-
-	mutex_lock(&inode->i_mutex);
-	if (test_and_clear_bit(NETFS_INODE_OWNED, &pi->state)) {
-		filemap_fdatawrite(inode->i_mapping);
-		inode->i_sb->s_op->write_inode(inode, 0);
-	}
-
-#ifdef POHMELFS_TRUNCATE_ON_INODE_FLUSH
-	truncate_inode_pages(inode->i_mapping, 0);
-#endif
-
-	pohmelfs_data_unlock(pi, 0, ~0, POHMELFS_WRITE_LOCK);
-	mutex_unlock(&inode->i_mutex);
-}
-
-static void pohmelfs_put_inode_count(struct pohmelfs_inode *pi, unsigned int count)
-{
-	dprintk("%s: ino: %llu, pi: %p, inode: %p, count: %u.\n",
-			__func__, pi->ino, pi, &pi->vfs_inode, count);
-
-	if (test_and_clear_bit(NETFS_INODE_NEED_FLUSH, &pi->state))
-		pohmelfs_flush_inode(pi, count);
-
-	while (count--)
-		iput(&pi->vfs_inode);
-}
-
-static void pohmelfs_drop_scan(struct work_struct *work)
-{
-	struct pohmelfs_sb *psb =
-		container_of(work, struct pohmelfs_sb, drop_dwork.work);
-	struct pohmelfs_inode *pi;
-	unsigned int count = 0;
-
-	while ((pi = pohmelfs_get_inode_from_list(psb, &psb->drop_list, &count)))
-		pohmelfs_put_inode_count(pi, count);
-
-	pohmelfs_check_states(psb);
-
-	if (psb->drop_scan_timeout)
-		schedule_delayed_work(&psb->drop_dwork, psb->drop_scan_timeout);
-}
-
-/*
- * Run through all transactions starting from the oldest,
- * drop transaction from current state and try to send it
- * to all remote nodes, which are currently installed.
- */
-static void pohmelfs_trans_scan_state(struct netfs_state *st)
-{
-	struct rb_node *rb_node;
-	struct netfs_trans_dst *dst;
-	struct pohmelfs_sb *psb = st->psb;
-	unsigned int timeout = psb->trans_scan_timeout;
-	struct netfs_trans *t;
-	int err;
-
-	mutex_lock(&st->trans_lock);
-	for (rb_node = rb_first(&st->trans_root); rb_node; ) {
-		dst = rb_entry(rb_node, struct netfs_trans_dst, state_entry);
-		t = dst->trans;
-
-		if (timeout && time_after(dst->send_time + timeout, jiffies)
-				&& dst->retries == 0)
-			break;
-
-		dprintk("%s: t: %p, gen: %u, st: %p, retries: %u, max: %u.\n",
-			__func__, t, t->gen, st, dst->retries, psb->trans_retries);
-		netfs_trans_get(t);
-
-		rb_node = rb_next(rb_node);
-
-		err = -ETIMEDOUT;
-		if (timeout && (++dst->retries < psb->trans_retries))
-			err = netfs_trans_resend(t, psb);
-
-		if (err || (t->flags & NETFS_TRANS_SINGLE_DST)) {
-			if (netfs_trans_remove_nolock(dst, st))
-				netfs_trans_drop_dst_nostate(dst);
-		}
-
-		t->result = err;
-		netfs_trans_put(t);
-	}
-	mutex_unlock(&st->trans_lock);
-}
-
-/*
- * Walk through all installed network states and resend all
- * transactions, which are old enough.
- */
-static void pohmelfs_trans_scan(struct work_struct *work)
-{
-	struct pohmelfs_sb *psb =
-		container_of(work, struct pohmelfs_sb, dwork.work);
-	struct netfs_state *st;
-	struct pohmelfs_config *c;
-
-	mutex_lock(&psb->state_lock);
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-
-		pohmelfs_trans_scan_state(st);
-	}
-	mutex_unlock(&psb->state_lock);
-
-	/*
-	 * If no timeout specified then system is in the middle of umount process,
-	 * so no need to reschedule scanning process again.
-	 */
-	if (psb->trans_scan_timeout)
-		schedule_delayed_work(&psb->dwork, psb->trans_scan_timeout);
-}
-
-int pohmelfs_meta_command_data(struct pohmelfs_inode *pi, u64 id, unsigned int cmd_op, char *addon,
-		unsigned int flags, netfs_trans_complete_t complete, void *priv, u64 start)
-{
-	struct inode *inode = &pi->vfs_inode;
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	int err = 0, sz;
-	struct netfs_trans *t;
-	int path_len, addon_len = 0;
-	void *data;
-	struct netfs_inode_info *info;
-	struct netfs_cmd *cmd;
-
-	dprintk("%s: ino: %llu, cmd: %u, addon: %p.\n", __func__, pi->ino, cmd_op, addon);
-
-	path_len = pohmelfs_path_length(pi);
-	if (path_len < 0) {
-		err = path_len;
-		goto err_out_exit;
-	}
-
-	if (addon)
-		addon_len = strlen(addon) + 1; /* 0-byte */
-	sz = addon_len;
-
-	if (cmd_op == NETFS_INODE_INFO)
-		sz += sizeof(struct netfs_inode_info);
-
-	t = netfs_trans_alloc(psb, sz + path_len, flags, 0);
-	if (!t) {
-		err = -ENOMEM;
-		goto err_out_exit;
-	}
-	t->complete = complete;
-	t->private = priv;
-
-	cmd = netfs_trans_current(t);
-	data = (void *)(cmd + 1);
-
-	if (cmd_op == NETFS_INODE_INFO) {
-		info = (struct netfs_inode_info *)(cmd + 1);
-		data = (void *)(info + 1);
-
-		/*
-		 * We are under i_mutex, can read and change whatever we want...
-		 */
-		info->mode = inode->i_mode;
-		info->nlink = inode->i_nlink;
-		info->uid = inode->i_uid;
-		info->gid = inode->i_gid;
-		info->blocks = inode->i_blocks;
-		info->rdev = inode->i_rdev;
-		info->size = inode->i_size;
-		info->version = inode->i_version;
-
-		netfs_convert_inode_info(info);
-	}
-
-	path_len = pohmelfs_construct_path_string(pi, data, path_len);
-	if (path_len < 0)
-		goto err_out_free;
-
-	dprintk("%s: path_len: %d.\n", __func__, path_len);
-
-	if (addon) {
-		path_len--; /* Do not place null-byte before the addon */
-		path_len += sprintf(data + path_len, "/%s", addon) + 1; /* 0 - byte */
-	}
-
-	sz += path_len;
-
-	cmd->cmd = cmd_op;
-	cmd->ext = path_len;
-	cmd->size = sz;
-	cmd->id = id;
-	cmd->start = start;
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, sz);
-
-	/*
-	 * Note, that it is possible to leak error here: transaction callback will not
-	 * be invoked for allocation path failure.
-	 */
-	return netfs_trans_finish(t, psb);
-
-err_out_free:
-	netfs_trans_free(t);
-err_out_exit:
-	if (complete)
-		complete(NULL, 0, priv, err);
-	return err;
-}
-
-int pohmelfs_meta_command(struct pohmelfs_inode *pi, unsigned int cmd_op, unsigned int flags,
-		netfs_trans_complete_t complete, void *priv, u64 start)
-{
-	return pohmelfs_meta_command_data(pi, pi->ino, cmd_op, NULL, flags, complete, priv, start);
-}
-
-/*
- * Send request and wait for POHMELFS root capabilities response,
- * which will update server's informaion about size of the export,
- * permissions, number of objects, available size and so on.
- */
-static int pohmelfs_root_handshake(struct pohmelfs_sb *psb)
-{
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	int err = -ENOMEM;
-
-	t = netfs_trans_alloc(psb, 0, 0, 0);
-	if (!t)
-		goto err_out_exit;
-
-	cmd = netfs_trans_current(t);
-
-	cmd->cmd = NETFS_CAPABILITIES;
-	cmd->id = POHMELFS_ROOT_CAPABILITIES;
-	cmd->size = 0;
-	cmd->start = 0;
-	cmd->ext = 0;
-	cmd->csize = 0;
-
-	netfs_convert_cmd(cmd);
-	netfs_trans_update(cmd, t, 0);
-
-	err = netfs_trans_finish(t, psb);
-	if (err)
-		goto err_out_exit;
-
-	psb->flags = ~0;
-	err = wait_event_interruptible_timeout(psb->wait,
-			(psb->flags != ~0),
-			psb->wait_on_page_timeout);
-	if (!err)
-		err = -ETIMEDOUT;
-	else if (err > 0)
-		err = -psb->flags;
-
-	if (err)
-		goto err_out_exit;
-
-	return 0;
-
-err_out_exit:
-	return err;
-}
-
-static int pohmelfs_show_stats(struct seq_file *m, struct dentry *root)
-{
-	struct netfs_state *st;
-	struct pohmelfs_ctl *ctl;
-	struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb);
-	struct pohmelfs_config *c;
-
-	mutex_lock(&psb->state_lock);
-
-	seq_printf(m, "\nidx addr(:port) socket_type protocol active priority permissions\n");
-
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-		ctl = &st->ctl;
-
-		seq_printf(m, "%u ", ctl->idx);
-		if (ctl->addr.sa_family == AF_INET) {
-			struct sockaddr_in *sin = (struct sockaddr_in *)&st->ctl.addr;
-			seq_printf(m, "%pI4:%u", &sin->sin_addr.s_addr, ntohs(sin->sin_port));
-		} else if (ctl->addr.sa_family == AF_INET6) {
-			struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&st->ctl.addr;
-			seq_printf(m, "%pi6:%u", &sin->sin6_addr, ntohs(sin->sin6_port));
-		} else {
-			unsigned int i;
-			for (i = 0; i < ctl->addrlen; ++i)
-				seq_printf(m, "%02x.", ctl->addr.addr[i]);
-		}
-
-		seq_printf(m, " %u %u %d %u %x\n",
-				ctl->type, ctl->proto,
-				st->socket != NULL,
-				ctl->prio, ctl->perm);
-	}
-	mutex_unlock(&psb->state_lock);
-
-	return 0;
-}
-
-static const struct super_operations pohmelfs_sb_ops = {
-	.alloc_inode	= pohmelfs_alloc_inode,
-	.destroy_inode	= pohmelfs_destroy_inode,
-	.drop_inode	= pohmelfs_drop_inode,
-	.write_inode	= pohmelfs_write_inode,
-	.put_super	= pohmelfs_put_super,
-	.remount_fs	= pohmelfs_remount,
-	.statfs		= pohmelfs_statfs,
-	.show_options	= pohmelfs_show_options,
-	.show_stats	= pohmelfs_show_stats,
-};
-
-/*
- * Allocate private superblock and create root dir.
- */
-static int pohmelfs_fill_super(struct super_block *sb, void *data, int silent)
-{
-	struct pohmelfs_sb *psb;
-	int err = -ENOMEM;
-	struct inode *root;
-	struct pohmelfs_inode *npi;
-	struct qstr str;
-
-	psb = kzalloc(sizeof(struct pohmelfs_sb), GFP_KERNEL);
-	if (!psb)
-		goto err_out_exit;
-
-	err = bdi_init(&psb->bdi);
-	if (err)
-		goto err_out_free_sb;
-
-	err = bdi_register(&psb->bdi, NULL, "pfs-%d", atomic_inc_return(&psb_bdi_num));
-	if (err) {
-		bdi_destroy(&psb->bdi);
-		goto err_out_free_sb;
-	}
-
-	sb->s_fs_info = psb;
-	sb->s_op = &pohmelfs_sb_ops;
-	sb->s_magic = POHMELFS_MAGIC_NUM;
-	sb->s_maxbytes = MAX_LFS_FILESIZE;
-	sb->s_blocksize = PAGE_SIZE;
-	sb->s_bdi = &psb->bdi;
-
-	psb->sb = sb;
-
-	psb->ino = 2;
-	psb->idx = 0;
-	psb->active_state = NULL;
-	psb->trans_retries = 5;
-	psb->trans_data_size = PAGE_SIZE;
-	psb->drop_scan_timeout = msecs_to_jiffies(1000);
-	psb->trans_scan_timeout = msecs_to_jiffies(5000);
-	psb->wait_on_page_timeout = msecs_to_jiffies(5000);
-	init_waitqueue_head(&psb->wait);
-
-	spin_lock_init(&psb->ino_lock);
-
-	INIT_LIST_HEAD(&psb->drop_list);
-
-	mutex_init(&psb->mcache_lock);
-	psb->mcache_root = RB_ROOT;
-	psb->mcache_timeout = msecs_to_jiffies(5000);
-	atomic_long_set(&psb->mcache_gen, 0);
-
-	psb->trans_max_pages = 100;
-
-	psb->crypto_align_size = 16;
-	psb->crypto_attached_size = 0;
-	psb->hash_strlen = 0;
-	psb->cipher_strlen = 0;
-	psb->perform_crypto = 0;
-	psb->crypto_thread_num = 2;
-	psb->crypto_fail_unsupported = 0;
-	mutex_init(&psb->crypto_thread_lock);
-	INIT_LIST_HEAD(&psb->crypto_ready_list);
-	INIT_LIST_HEAD(&psb->crypto_active_list);
-
-	atomic_set(&psb->trans_gen, 1);
-	atomic_long_set(&psb->total_inodes, 0);
-
-	mutex_init(&psb->state_lock);
-	INIT_LIST_HEAD(&psb->state_list);
-
-	err = pohmelfs_parse_options((char *) data, psb, 0);
-	if (err)
-		goto err_out_free_bdi;
-
-	err = pohmelfs_copy_crypto(psb);
-	if (err)
-		goto err_out_free_bdi;
-
-	err = pohmelfs_state_init(psb);
-	if (err)
-		goto err_out_free_strings;
-
-	err = pohmelfs_crypto_init(psb);
-	if (err)
-		goto err_out_state_exit;
-
-	err = pohmelfs_root_handshake(psb);
-	if (err)
-		goto err_out_crypto_exit;
-
-	str.name = "/";
-	str.hash = jhash("/", 1, 0);
-	str.len = 1;
-
-	npi = pohmelfs_create_entry_local(psb, NULL, &str, 0, 0755|S_IFDIR);
-	if (IS_ERR(npi)) {
-		err = PTR_ERR(npi);
-		goto err_out_crypto_exit;
-	}
-	set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state);
-	clear_bit(NETFS_INODE_OWNED, &npi->state);
-
-	root = &npi->vfs_inode;
-
-	sb->s_root = d_alloc_root(root);
-	if (!sb->s_root)
-		goto err_out_put_root;
-
-	INIT_DELAYED_WORK(&psb->drop_dwork, pohmelfs_drop_scan);
-	schedule_delayed_work(&psb->drop_dwork, psb->drop_scan_timeout);
-
-	INIT_DELAYED_WORK(&psb->dwork, pohmelfs_trans_scan);
-	schedule_delayed_work(&psb->dwork, psb->trans_scan_timeout);
-
-	return 0;
-
-err_out_put_root:
-	iput(root);
-err_out_crypto_exit:
-	pohmelfs_crypto_exit(psb);
-err_out_state_exit:
-	pohmelfs_state_exit(psb);
-err_out_free_strings:
-	kfree(psb->cipher_string);
-	kfree(psb->hash_string);
-err_out_free_bdi:
-	bdi_destroy(&psb->bdi);
-err_out_free_sb:
-	kfree(psb);
-err_out_exit:
-
-	dprintk("%s: err: %d.\n", __func__, err);
-	return err;
-}
-
-/*
- * Some VFS magic here...
- */
-static struct dentry *pohmelfs_mount(struct file_system_type *fs_type,
-	int flags, const char *dev_name, void *data)
-{
-	return mount_nodev(fs_type, flags, data, pohmelfs_fill_super);
-}
-
-/*
- * We need this to sync all inodes earlier, since when writeback
- * is invoked from the umount/mntput path dcache is already shrunk,
- * see generic_shutdown_super(), and no inodes can access the path.
- */
-static void pohmelfs_kill_super(struct super_block *sb)
-{
-	sync_inodes_sb(sb);
-	kill_anon_super(sb);
-}
-
-static struct file_system_type pohmel_fs_type = {
-	.owner		= THIS_MODULE,
-	.name		= "pohmel",
-	.mount		= pohmelfs_mount,
-	.kill_sb 	= pohmelfs_kill_super,
-};
-
-/*
- * Cache and module initializations and freeing routings.
- */
-static void pohmelfs_init_once(void *data)
-{
-	struct pohmelfs_inode *pi = data;
-
-	inode_init_once(&pi->vfs_inode);
-}
-
-static int __init pohmelfs_init_inodecache(void)
-{
-	pohmelfs_inode_cache = kmem_cache_create("pohmelfs_inode_cache",
-				sizeof(struct pohmelfs_inode),
-				0, (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD),
-				pohmelfs_init_once);
-	if (!pohmelfs_inode_cache)
-		return -ENOMEM;
-
-	return 0;
-}
-
-static void pohmelfs_destroy_inodecache(void)
-{
-	kmem_cache_destroy(pohmelfs_inode_cache);
-}
-
-static int __init init_pohmel_fs(void)
-{
-	int err;
-
-	err = pohmelfs_config_init();
-	if (err)
-		goto err_out_exit;
-
-	err = pohmelfs_init_inodecache();
-	if (err)
-		goto err_out_config_exit;
-
-	err = pohmelfs_mcache_init();
-	if (err)
-		goto err_out_destroy;
-
-	err = netfs_trans_init();
-	if (err)
-		goto err_out_mcache_exit;
-
-	err = register_filesystem(&pohmel_fs_type);
-	if (err)
-		goto err_out_trans;
-
-	return 0;
-
-err_out_trans:
-	netfs_trans_exit();
-err_out_mcache_exit:
-	pohmelfs_mcache_exit();
-err_out_destroy:
-	pohmelfs_destroy_inodecache();
-err_out_config_exit:
-	pohmelfs_config_exit();
-err_out_exit:
-	return err;
-}
-
-static void __exit exit_pohmel_fs(void)
-{
-	unregister_filesystem(&pohmel_fs_type);
-	pohmelfs_destroy_inodecache();
-	pohmelfs_mcache_exit();
-	pohmelfs_config_exit();
-	netfs_trans_exit();
-}
-
-module_init(init_pohmel_fs);
-module_exit(exit_pohmel_fs);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
-MODULE_DESCRIPTION("Pohmel filesystem");
diff --git a/drivers/staging/pohmelfs/lock.c b/drivers/staging/pohmelfs/lock.c
deleted file mode 100644
index 6710114cd425..000000000000
--- a/drivers/staging/pohmelfs/lock.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/backing-dev.h>
-#include <linux/fs.h>
-#include <linux/fsnotify.h>
-#include <linux/mempool.h>
-
-#include "netfs.h"
-
-static int pohmelfs_send_lock_trans(struct pohmelfs_inode *pi,
-		u64 id, u64 start, u32 size, int type)
-{
-	struct inode *inode = &pi->vfs_inode;
-	struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-	struct netfs_trans *t;
-	struct netfs_cmd *cmd;
-	int path_len, err;
-	void *data;
-	struct netfs_lock *l;
-	int isize = (type & POHMELFS_LOCK_GRAB) ? 0 : sizeof(struct netfs_inode_info);
-
-	err = pohmelfs_path_length(pi);
-	if (err < 0)
-		goto err_out_exit;
-
-	path_len = err;
-
-	err = -ENOMEM;
-	t = netfs_trans_alloc(psb, path_len + sizeof(struct netfs_lock) + isize,
-			NETFS_TRANS_SINGLE_DST, 0);
-	if (!t)
-		goto err_out_exit;
-
-	cmd = netfs_trans_current(t);
-	data = cmd + 1;
-
-	err = pohmelfs_construct_path_string(pi, data, path_len);
-	if (err < 0)
-		goto err_out_free;
-	path_len = err;
-
-	l = data + path_len;
-
-	l->start = start;
-	l->size = size;
-	l->type = type;
-	l->ino = pi->ino;
-
-	cmd->cmd = NETFS_LOCK;
-	cmd->start = 0;
-	cmd->id = id;
-	cmd->size = sizeof(struct netfs_lock) + path_len + isize;
-	cmd->ext = path_len;
-	cmd->csize = 0;
-
-	netfs_convert_cmd(cmd);
-	netfs_convert_lock(l);
-
-	if (isize) {
-		struct netfs_inode_info *info = (struct netfs_inode_info *)(l + 1);
-
-		info->mode = inode->i_mode;
-		info->nlink = inode->i_nlink;
-		info->uid = inode->i_uid;
-		info->gid = inode->i_gid;
-		info->blocks = inode->i_blocks;
-		info->rdev = inode->i_rdev;
-		info->size = inode->i_size;
-		info->version = inode->i_version;
-
-		netfs_convert_inode_info(info);
-	}
-
-	netfs_trans_update(cmd, t, path_len + sizeof(struct netfs_lock) + isize);
-
-	return netfs_trans_finish(t, psb);
-
-err_out_free:
-	netfs_trans_free(t);
-err_out_exit:
-	printk("%s: err: %d.\n", __func__, err);
-	return err;
-}
-
-int pohmelfs_data_lock(struct pohmelfs_inode *pi, u64 start, u32 size, int type)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-	struct pohmelfs_mcache *m;
-	int err = -ENOMEM;
-	struct iattr iattr;
-	struct inode *inode = &pi->vfs_inode;
-
-	dprintk("%s: %p: ino: %llu, start: %llu, size: %u, "
-			"type: %d, locked as: %d, owned: %d.\n",
-			__func__, &pi->vfs_inode, pi->ino,
-			start, size, type, pi->lock_type,
-			!!test_bit(NETFS_INODE_OWNED, &pi->state));
-
-	if (!pohmelfs_need_lock(pi, type))
-		return 0;
-
-	m = pohmelfs_mcache_alloc(psb, start, size, NULL);
-	if (IS_ERR(m))
-		return PTR_ERR(m);
-
-	err = pohmelfs_send_lock_trans(pi, m->gen, start, size,
-			type | POHMELFS_LOCK_GRAB);
-	if (err)
-		goto err_out_put;
-
-	err = wait_for_completion_timeout(&m->complete, psb->mcache_timeout);
-	if (err)
-		err = m->err;
-	else
-		err = -ETIMEDOUT;
-
-	if (err) {
-		printk("%s: %p: ino: %llu, mgen: %llu, start: %llu, size: %u, err: %d.\n",
-			__func__, &pi->vfs_inode, pi->ino, m->gen, start, size, err);
-	}
-
-	if (err && (err != -ENOENT))
-		goto err_out_put;
-
-	if (!err) {
-		netfs_convert_inode_info(&m->info);
-
-		iattr.ia_valid = ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_SIZE | ATTR_ATIME;
-		iattr.ia_mode = m->info.mode;
-		iattr.ia_uid = m->info.uid;
-		iattr.ia_gid = m->info.gid;
-		iattr.ia_size = m->info.size;
-		iattr.ia_atime = CURRENT_TIME;
-
-		dprintk("%s: %p: ino: %llu, mgen: %llu, start: %llu, isize: %llu -> %llu.\n",
-			__func__, &pi->vfs_inode, pi->ino, m->gen, start, inode->i_size, m->info.size);
-
-		err = pohmelfs_setattr_raw(inode, &iattr);
-		if (!err) {
-			struct dentry *dentry = d_find_alias(inode);
-			if (dentry) {
-				fsnotify_change(dentry, iattr.ia_valid);
-				dput(dentry);
-			}
-		}
-	}
-
-	pi->lock_type = type;
-	set_bit(NETFS_INODE_OWNED, &pi->state);
-
-	pohmelfs_mcache_put(psb, m);
-
-	return 0;
-
-err_out_put:
-	pohmelfs_mcache_put(psb, m);
-	return err;
-}
-
-int pohmelfs_data_unlock(struct pohmelfs_inode *pi, u64 start, u32 size, int type)
-{
-	dprintk("%s: %p: ino: %llu, start: %llu, size: %u, type: %d.\n",
-			__func__, &pi->vfs_inode, pi->ino, start, size, type);
-	pi->lock_type = 0;
-	clear_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state);
-	clear_bit(NETFS_INODE_OWNED, &pi->state);
-	return pohmelfs_send_lock_trans(pi, pi->ino, start, size, type);
-}
diff --git a/drivers/staging/pohmelfs/mcache.c b/drivers/staging/pohmelfs/mcache.c
deleted file mode 100644
index e22665cdd16c..000000000000
--- a/drivers/staging/pohmelfs/mcache.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/mempool.h>
-
-#include "netfs.h"
-
-static struct kmem_cache *pohmelfs_mcache_cache;
-static mempool_t *pohmelfs_mcache_pool;
-
-static inline int pohmelfs_mcache_cmp(u64 gen, u64 new)
-{
-	if (gen < new)
-		return 1;
-	if (gen > new)
-		return -1;
-	return 0;
-}
-
-struct pohmelfs_mcache *pohmelfs_mcache_search(struct pohmelfs_sb *psb, u64 gen)
-{
-	struct rb_root *root = &psb->mcache_root;
-	struct rb_node *n = root->rb_node;
-	struct pohmelfs_mcache *tmp, *ret = NULL;
-	int cmp;
-
-	while (n) {
-		tmp = rb_entry(n, struct pohmelfs_mcache, mcache_entry);
-
-		cmp = pohmelfs_mcache_cmp(tmp->gen, gen);
-		if (cmp < 0)
-			n = n->rb_left;
-		else if (cmp > 0)
-			n = n->rb_right;
-		else {
-			ret = tmp;
-			pohmelfs_mcache_get(ret);
-			break;
-		}
-	}
-
-	return ret;
-}
-
-static int pohmelfs_mcache_insert(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-	struct rb_root *root = &psb->mcache_root;
-	struct rb_node **n = &root->rb_node, *parent = NULL;
-	struct pohmelfs_mcache *ret = NULL, *tmp;
-	int cmp;
-
-	while (*n) {
-		parent = *n;
-
-		tmp = rb_entry(parent, struct pohmelfs_mcache, mcache_entry);
-
-		cmp = pohmelfs_mcache_cmp(tmp->gen, m->gen);
-		if (cmp < 0)
-			n = &parent->rb_left;
-		else if (cmp > 0)
-			n = &parent->rb_right;
-		else {
-			ret = tmp;
-			break;
-		}
-	}
-
-	if (ret)
-		return -EEXIST;
-
-	rb_link_node(&m->mcache_entry, parent, n);
-	rb_insert_color(&m->mcache_entry, root);
-
-	return 0;
-}
-
-static int pohmelfs_mcache_remove(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-	if (m && m->mcache_entry.rb_parent_color) {
-		rb_erase(&m->mcache_entry, &psb->mcache_root);
-		m->mcache_entry.rb_parent_color = 0;
-		return 1;
-	}
-	return 0;
-}
-
-void pohmelfs_mcache_remove_locked(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-	mutex_lock(&psb->mcache_lock);
-	pohmelfs_mcache_remove(psb, m);
-	mutex_unlock(&psb->mcache_lock);
-}
-
-struct pohmelfs_mcache *pohmelfs_mcache_alloc(struct pohmelfs_sb *psb, u64 start,
-		unsigned int size, void *data)
-{
-	struct pohmelfs_mcache *m;
-	int err = -ENOMEM;
-
-	m = mempool_alloc(pohmelfs_mcache_pool, GFP_KERNEL);
-	if (!m)
-		goto err_out_exit;
-
-	init_completion(&m->complete);
-	m->err = 0;
-	atomic_set(&m->refcnt, 1);
-	m->data = data;
-	m->start = start;
-	m->size = size;
-	m->gen = atomic_long_inc_return(&psb->mcache_gen);
-
-	mutex_lock(&psb->mcache_lock);
-	err = pohmelfs_mcache_insert(psb, m);
-	mutex_unlock(&psb->mcache_lock);
-	if (err)
-		goto err_out_free;
-
-	return m;
-
-err_out_free:
-	mempool_free(m, pohmelfs_mcache_pool);
-err_out_exit:
-	return ERR_PTR(err);
-}
-
-void pohmelfs_mcache_free(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-	pohmelfs_mcache_remove_locked(psb, m);
-
-	mempool_free(m, pohmelfs_mcache_pool);
-}
-
-int __init pohmelfs_mcache_init(void)
-{
-	pohmelfs_mcache_cache = kmem_cache_create("pohmelfs_mcache_cache",
-				sizeof(struct pohmelfs_mcache),
-				0, (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD), NULL);
-	if (!pohmelfs_mcache_cache)
-		goto err_out_exit;
-
-	pohmelfs_mcache_pool = mempool_create_slab_pool(256, pohmelfs_mcache_cache);
-	if (!pohmelfs_mcache_pool)
-		goto err_out_free;
-
-	return 0;
-
-err_out_free:
-	kmem_cache_destroy(pohmelfs_mcache_cache);
-err_out_exit:
-	return -ENOMEM;
-}
-
-void pohmelfs_mcache_exit(void)
-{
-	mempool_destroy(pohmelfs_mcache_pool);
-	kmem_cache_destroy(pohmelfs_mcache_cache);
-}
diff --git a/drivers/staging/pohmelfs/net.c b/drivers/staging/pohmelfs/net.c
deleted file mode 100644
index b2e918622088..000000000000
--- a/drivers/staging/pohmelfs/net.c
+++ /dev/null
@@ -1,1209 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/fsnotify.h>
-#include <linux/jhash.h>
-#include <linux/in.h>
-#include <linux/in6.h>
-#include <linux/kthread.h>
-#include <linux/pagemap.h>
-#include <linux/poll.h>
-#include <linux/slab.h>
-#include <linux/swap.h>
-#include <linux/syscalls.h>
-#include <linux/vmalloc.h>
-
-#include "netfs.h"
-
-/*
- * Async machinery lives here.
- * All commands being sent to server do _not_ require sync reply,
- * instead, if it is really needed, like readdir or readpage, caller
- * sleeps waiting for data, which will be placed into provided buffer
- * and caller will be awakened.
- *
- * Every command response can come without some listener. For example
- * readdir response will add new objects into cache without appropriate
- * request from userspace. This is used in cache coherency.
- *
- * If object is not found for given data, it is discarded.
- *
- * All requests are received by dedicated kernel thread.
- */
-
-/*
- * Basic network sending/receiving functions.
- * Blocked mode is used.
- */
-static int netfs_data_recv(struct netfs_state *st, void *buf, u64 size)
-{
-	struct msghdr msg;
-	struct kvec iov;
-	int err;
-
-	BUG_ON(!size);
-
-	iov.iov_base = buf;
-	iov.iov_len = size;
-
-	msg.msg_iov = (struct iovec *)&iov;
-	msg.msg_iovlen = 1;
-	msg.msg_name = NULL;
-	msg.msg_namelen = 0;
-	msg.msg_control = NULL;
-	msg.msg_controllen = 0;
-	msg.msg_flags = MSG_DONTWAIT;
-
-	err = kernel_recvmsg(st->socket, &msg, &iov, 1, iov.iov_len,
-			msg.msg_flags);
-	if (err <= 0) {
-		printk("%s: failed to recv data: size: %llu, err: %d.\n", __func__, size, err);
-		if (err == 0)
-			err = -ECONNRESET;
-	}
-
-	return err;
-}
-
-static int pohmelfs_data_recv(struct netfs_state *st, void *data, unsigned int size)
-{
-	unsigned int revents = 0;
-	unsigned int err_mask = POLLERR | POLLHUP | POLLRDHUP;
-	unsigned int mask = err_mask | POLLIN;
-	int err = 0;
-
-	while (size && !err) {
-		revents = netfs_state_poll(st);
-
-		if (!(revents & mask)) {
-			DEFINE_WAIT(wait);
-
-			for (;;) {
-				prepare_to_wait(&st->thread_wait, &wait, TASK_INTERRUPTIBLE);
-				if (kthread_should_stop())
-					break;
-
-				revents = netfs_state_poll(st);
-
-				if (revents & mask)
-					break;
-
-				if (signal_pending(current))
-					break;
-
-				schedule();
-				continue;
-			}
-			finish_wait(&st->thread_wait, &wait);
-		}
-
-		err = 0;
-		netfs_state_lock(st);
-		if (st->socket && (st->read_socket == st->socket) && (revents & POLLIN)) {
-			err = netfs_data_recv(st, data, size);
-			if (err > 0) {
-				data += err;
-				size -= err;
-				err = 0;
-			} else if (err == 0)
-				err = -ECONNRESET;
-		}
-
-		if (revents & err_mask) {
-			printk("%s: revents: %x, socket: %p, size: %u, err: %d.\n",
-					__func__, revents, st->socket, size, err);
-			err = -ECONNRESET;
-		}
-		netfs_state_unlock(st);
-
-		if (err < 0) {
-			if (netfs_state_trylock_send(st)) {
-				netfs_state_exit(st);
-				err = netfs_state_init(st);
-				if (!err)
-					err = -EAGAIN;
-				netfs_state_unlock_send(st);
-			} else {
-				st->need_reset = 1;
-			}
-		}
-
-		if (kthread_should_stop())
-			err = -ENODEV;
-
-		if (err)
-			printk("%s: socket: %p, read_socket: %p, revents: %x, rev_error: %d, "
-					"should_stop: %d, size: %u, err: %d.\n",
-				__func__, st->socket, st->read_socket,
-				revents, revents & err_mask, kthread_should_stop(), size, err);
-	}
-
-	return err;
-}
-
-int pohmelfs_data_recv_and_check(struct netfs_state *st, void *data, unsigned int size)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	int err;
-
-	err = pohmelfs_data_recv(st, data, size);
-	if (err)
-		return err;
-
-	return pohmelfs_crypto_process_input_data(&st->eng, cmd->iv, data, NULL, size);
-}
-
-/*
- * Polling machinery.
- */
-
-struct netfs_poll_helper {
-	poll_table 		pt;
-	struct netfs_state	*st;
-};
-
-static int netfs_queue_wake(wait_queue_t *wait, unsigned mode, int sync, void *key)
-{
-	struct netfs_state *st = container_of(wait, struct netfs_state, wait);
-
-	wake_up(&st->thread_wait);
-	return 1;
-}
-
-static void netfs_queue_func(struct file *file, wait_queue_head_t *whead,
-				 poll_table *pt)
-{
-	struct netfs_state *st = container_of(pt, struct netfs_poll_helper, pt)->st;
-
-	st->whead = whead;
-	init_waitqueue_func_entry(&st->wait, netfs_queue_wake);
-	add_wait_queue(whead, &st->wait);
-}
-
-static void netfs_poll_exit(struct netfs_state *st)
-{
-	if (st->whead) {
-		remove_wait_queue(st->whead, &st->wait);
-		st->whead = NULL;
-	}
-}
-
-static int netfs_poll_init(struct netfs_state *st)
-{
-	struct netfs_poll_helper ph;
-
-	ph.st = st;
-	init_poll_funcptr(&ph.pt, &netfs_queue_func);
-
-	st->socket->ops->poll(NULL, st->socket, &ph.pt);
-	return 0;
-}
-
-/*
- * Get response for readpage command. We search inode and page in its mapping
- * and copy data into. If it was async request, then we queue page into shared
- * data and wakeup listener, who will copy it to userspace.
- *
- * There is a work in progress of allowing to call copy_to_user() directly from
- * async receiving kernel thread.
- */
-static int pohmelfs_read_page_response(struct netfs_state *st)
-{
-	struct pohmelfs_sb *psb = st->psb;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct inode *inode;
-	struct page *page;
-	int err = 0;
-
-	if (cmd->size > PAGE_CACHE_SIZE) {
-		err = -EINVAL;
-		goto err_out_exit;
-	}
-
-	inode = ilookup(st->psb->sb, cmd->id);
-	if (!inode) {
-		printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id);
-		err = -ENOENT;
-		goto err_out_exit;
-	}
-
-	page = find_get_page(inode->i_mapping, cmd->start >> PAGE_CACHE_SHIFT);
-	if (!page || !PageLocked(page)) {
-		printk("%s: failed to find/lock page: page: %p, id: %llu, start: %llu, index: %llu.\n",
-				__func__, page, cmd->id, cmd->start, cmd->start >> PAGE_CACHE_SHIFT);
-
-		while (cmd->size) {
-			unsigned int sz = min(cmd->size, st->size);
-
-			err = pohmelfs_data_recv(st, st->data, sz);
-			if (err)
-				break;
-
-			cmd->size -= sz;
-		}
-
-		err = -ENODEV;
-		if (page)
-			goto err_out_page_put;
-		goto err_out_put;
-	}
-
-	if (cmd->size) {
-		void *addr;
-
-		addr = kmap(page);
-		err = pohmelfs_data_recv(st, addr, cmd->size);
-		kunmap(page);
-
-		if (err)
-			goto err_out_page_unlock;
-	}
-
-	dprintk("%s: page: %p, start: %llu, size: %u, locked: %d.\n",
-		__func__, page, cmd->start, cmd->size, PageLocked(page));
-
-	SetPageChecked(page);
-	if ((psb->hash_string || psb->cipher_string) && psb->perform_crypto && cmd->size) {
-		err = pohmelfs_crypto_process_input_page(&st->eng, page, cmd->size, cmd->iv);
-		if (err < 0)
-			goto err_out_page_unlock;
-	} else {
-		SetPageUptodate(page);
-		unlock_page(page);
-		page_cache_release(page);
-	}
-
-	pohmelfs_put_inode(POHMELFS_I(inode));
-	wake_up(&st->psb->wait);
-
-	return 0;
-
-err_out_page_unlock:
-	SetPageError(page);
-	unlock_page(page);
-err_out_page_put:
-	page_cache_release(page);
-err_out_put:
-	pohmelfs_put_inode(POHMELFS_I(inode));
-err_out_exit:
-	wake_up(&st->psb->wait);
-	return err;
-}
-
-static int pohmelfs_check_name(struct pohmelfs_inode *parent, struct qstr *str,
-		struct netfs_inode_info *info)
-{
-	struct inode *inode;
-	struct pohmelfs_name *n;
-	int err = 0;
-	u64 ino = 0;
-
-	mutex_lock(&parent->offset_lock);
-	n = pohmelfs_search_hash(parent, str->hash);
-	if (n)
-		ino = n->ino;
-	mutex_unlock(&parent->offset_lock);
-
-	if (!ino)
-		goto out;
-
-	inode = ilookup(parent->vfs_inode.i_sb, ino);
-	if (!inode)
-		goto out;
-
-	dprintk("%s: parent: %llu, inode: %llu.\n", __func__, parent->ino, ino);
-
-	pohmelfs_fill_inode(inode, info);
-	pohmelfs_put_inode(POHMELFS_I(inode));
-	err = -EEXIST;
-out:
-	return err;
-}
-
-/*
- * Readdir response from server. If special field is set, we wakeup
- * listener (readdir() call), which will copy data to userspace.
- */
-static int pohmelfs_readdir_response(struct netfs_state *st)
-{
-	struct inode *inode;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct netfs_inode_info *info;
-	struct pohmelfs_inode *parent = NULL, *npi;
-	int err = 0, last = cmd->ext;
-	struct qstr str;
-
-	if (cmd->size > st->size)
-		return -EINVAL;
-
-	inode = ilookup(st->psb->sb, cmd->id);
-	if (!inode) {
-		printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id);
-		return -ENOENT;
-	}
-	parent = POHMELFS_I(inode);
-
-	if (!cmd->size && cmd->start) {
-		err = -cmd->start;
-		goto out;
-	}
-
-	if (cmd->size) {
-		char *name;
-
-		err = pohmelfs_data_recv_and_check(st, st->data, cmd->size);
-		if (err)
-			goto err_out_put;
-
-		info = (struct netfs_inode_info *)(st->data);
-
-		name = (char *)(info + 1);
-		str.len = cmd->size - sizeof(struct netfs_inode_info) - 1 - cmd->cpad;
-		name[str.len] = 0;
-		str.name = name;
-		str.hash = jhash(str.name, str.len, 0);
-
-		netfs_convert_inode_info(info);
-
-		if (parent) {
-			err = pohmelfs_check_name(parent, &str, info);
-			if (err) {
-				if (err == -EEXIST)
-					err = 0;
-				goto out;
-			}
-		}
-
-		info->ino = cmd->start;
-		if (!info->ino)
-			info->ino = pohmelfs_new_ino(st->psb);
-
-		dprintk("%s: parent: %llu, ino: %llu, name: '%s', hash: %x, len: %u, mode: %o.\n",
-				__func__, parent->ino, info->ino, str.name, str.hash, str.len,
-				info->mode);
-
-		npi = pohmelfs_new_inode(st->psb, parent, &str, info, 0);
-		if (IS_ERR(npi)) {
-			err = PTR_ERR(npi);
-
-			if (err != -EEXIST)
-				goto err_out_put;
-		} else {
-			struct dentry *dentry, *alias, *pd;
-
-			set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state);
-			clear_bit(NETFS_INODE_OWNED, &npi->state);
-
-			pd = d_find_alias(&parent->vfs_inode);
-			if (pd) {
-				str.hash = full_name_hash(str.name, str.len);
-				dentry = d_alloc(pd, &str);
-				if (dentry) {
-					alias = d_materialise_unique(dentry, &npi->vfs_inode);
-					if (alias)
-						dput(alias);
-				}
-
-				dput(dentry);
-				dput(pd);
-			}
-		}
-	}
-out:
-	if (last) {
-		set_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state);
-		set_bit(NETFS_INODE_REMOTE_SYNCED, &parent->state);
-		wake_up(&st->psb->wait);
-	}
-	pohmelfs_put_inode(parent);
-
-	return err;
-
-err_out_put:
-	clear_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state);
-	printk("%s: parent: %llu, ino: %llu, cmd_id: %llu.\n", __func__, parent->ino, cmd->start, cmd->id);
-	pohmelfs_put_inode(parent);
-	wake_up(&st->psb->wait);
-	return err;
-}
-
-/*
- * Lookup command response.
- * It searches for inode to be looked at (if it exists) and substitutes
- * its inode information (size, permission, mode and so on), if inode does
- * not exist, new one will be created and inserted into caches.
- */
-static int pohmelfs_lookup_response(struct netfs_state *st)
-{
-	struct inode *inode = NULL;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct netfs_inode_info *info;
-	struct pohmelfs_inode *parent = NULL, *npi;
-	int err = -EINVAL;
-	char *name;
-
-	inode = ilookup(st->psb->sb, cmd->id);
-	if (!inode) {
-		printk("%s: lookup response: id: %llu, start: %llu, size: %u.\n",
-				__func__, cmd->id, cmd->start, cmd->size);
-		err = -ENOENT;
-		goto err_out_exit;
-	}
-	parent = POHMELFS_I(inode);
-
-	if (!cmd->size) {
-		err = -cmd->start;
-		goto err_out_put;
-	}
-
-	if (cmd->size < sizeof(struct netfs_inode_info)) {
-		printk("%s: broken lookup response: id: %llu, start: %llu, size: %u.\n",
-				__func__, cmd->id, cmd->start, cmd->size);
-		err = -EINVAL;
-		goto err_out_put;
-	}
-
-	err = pohmelfs_data_recv_and_check(st, st->data, cmd->size);
-	if (err)
-		goto err_out_put;
-
-	info = (struct netfs_inode_info *)(st->data);
-	name = (char *)(info + 1);
-
-	netfs_convert_inode_info(info);
-
-	info->ino = cmd->start;
-	if (!info->ino)
-		info->ino = pohmelfs_new_ino(st->psb);
-
-	dprintk("%s: parent: %llu, ino: %llu, name: '%s', start: %llu.\n",
-			__func__, parent->ino, info->ino, name, cmd->start);
-
-	if (cmd->start)
-		npi = pohmelfs_new_inode(st->psb, parent, NULL, info, 0);
-	else {
-		struct qstr str;
-
-		str.name = name;
-		str.len = cmd->size - sizeof(struct netfs_inode_info) - 1 - cmd->cpad;
-		str.hash = jhash(name, str.len, 0);
-
-		npi = pohmelfs_new_inode(st->psb, parent, &str, info, 0);
-	}
-	if (IS_ERR(npi)) {
-		err = PTR_ERR(npi);
-
-		if (err != -EEXIST)
-			goto err_out_put;
-	} else {
-		set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state);
-		clear_bit(NETFS_INODE_OWNED, &npi->state);
-	}
-
-	clear_bit(NETFS_COMMAND_PENDING, &parent->state);
-	pohmelfs_put_inode(parent);
-
-	wake_up(&st->psb->wait);
-
-	return 0;
-
-err_out_put:
-	pohmelfs_put_inode(parent);
-err_out_exit:
-	clear_bit(NETFS_COMMAND_PENDING, &parent->state);
-	wake_up(&st->psb->wait);
-	printk("%s: inode: %p, id: %llu, start: %llu, size: %u, err: %d.\n",
-			__func__, inode, cmd->id, cmd->start, cmd->size, err);
-	return err;
-}
-
-/*
- * Create response, just marks local inode as 'created', so that writeback
- * for any of its children (or own) would not try to sync it again.
- */
-static int pohmelfs_create_response(struct netfs_state *st)
-{
-	struct inode *inode;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct pohmelfs_inode *pi;
-
-	inode = ilookup(st->psb->sb, cmd->id);
-	if (!inode) {
-		printk("%s: failed to find inode: id: %llu, start: %llu.\n",
-				__func__, cmd->id, cmd->start);
-		goto err_out_exit;
-	}
-
-	pi = POHMELFS_I(inode);
-
-	/*
-	 * To lock or not to lock?
-	 * We actually do not care if it races...
-	 */
-	if (cmd->start)
-		make_bad_inode(inode);
-	set_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-
-	pohmelfs_put_inode(pi);
-
-	wake_up(&st->psb->wait);
-	return 0;
-
-err_out_exit:
-	wake_up(&st->psb->wait);
-	return -ENOENT;
-}
-
-/*
- * Object remove response. Just says that remove request has been received.
- * Used in cache coherency protocol.
- */
-static int pohmelfs_remove_response(struct netfs_state *st)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	int err;
-
-	err = pohmelfs_data_recv_and_check(st, st->data, cmd->size);
-	if (err)
-		return err;
-
-	dprintk("%s: parent: %llu, path: '%s'.\n", __func__, cmd->id, (char *)st->data);
-
-	return 0;
-}
-
-/*
- * Transaction reply processing.
- *
- * Find transaction based on its generation number, bump its reference counter,
- * so that none could free it under us, drop from the trees and lists and
- * drop reference counter. When it hits zero (when all destinations replied
- * and all timeout handled by async scanning code), completion will be called
- * and transaction will be freed.
- */
-static int pohmelfs_transaction_response(struct netfs_state *st)
-{
-	struct netfs_trans_dst *dst;
-	struct netfs_trans *t = NULL;
-	struct netfs_cmd *cmd = &st->cmd;
-	short err = (signed)cmd->ext;
-
-	mutex_lock(&st->trans_lock);
-	dst = netfs_trans_search(st, cmd->start);
-	if (dst) {
-		netfs_trans_remove_nolock(dst, st);
-		t = dst->trans;
-	}
-	mutex_unlock(&st->trans_lock);
-
-	if (!t) {
-		printk("%s: failed to find transaction: start: %llu: id: %llu, size: %u, ext: %u.\n",
-				__func__, cmd->start, cmd->id, cmd->size, cmd->ext);
-		err = -EINVAL;
-		goto out;
-	}
-
-	t->result = err;
-	netfs_trans_drop_dst_nostate(dst);
-
-out:
-	wake_up(&st->psb->wait);
-	return err;
-}
-
-/*
- * Inode metadata cache coherency message.
- */
-static int pohmelfs_page_cache_response(struct netfs_state *st)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	struct inode *inode;
-
-	dprintk("%s: st: %p, id: %llu, start: %llu, size: %u.\n", __func__, st, cmd->id, cmd->start, cmd->size);
-
-	inode = ilookup(st->psb->sb, cmd->id);
-	if (!inode) {
-		printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id);
-		return -ENOENT;
-	}
-
-	set_bit(NETFS_INODE_NEED_FLUSH, &POHMELFS_I(inode)->state);
-	pohmelfs_put_inode(POHMELFS_I(inode));
-
-	return 0;
-}
-
-/*
- * Root capabilities response: export statistics
- * like used and available size, number of files and dirs,
- * permissions.
- */
-static int pohmelfs_root_cap_response(struct netfs_state *st)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	struct netfs_root_capabilities *cap;
-	struct pohmelfs_sb *psb = st->psb;
-
-	if (cmd->size != sizeof(struct netfs_root_capabilities)) {
-		psb->flags = EPROTO;
-		wake_up(&psb->wait);
-		return -EPROTO;
-	}
-
-	cap = st->data;
-
-	netfs_convert_root_capabilities(cap);
-
-	if (psb->total_size < cap->used + cap->avail)
-		psb->total_size = cap->used + cap->avail;
-	if (cap->avail)
-		psb->avail_size = cap->avail;
-	psb->state_flags = cap->flags;
-
-	if (psb->state_flags & POHMELFS_FLAGS_RO) {
-		psb->sb->s_flags |= MS_RDONLY;
-		printk(KERN_INFO "Mounting POHMELFS (%d) read-only.\n", psb->idx);
-	}
-
-	if (psb->state_flags & POHMELFS_FLAGS_XATTR)
-		printk(KERN_INFO "Mounting POHMELFS (%d) "
-			"with extended attributes support.\n", psb->idx);
-
-	if (atomic_long_read(&psb->total_inodes) <= 1)
-		atomic_long_set(&psb->total_inodes, cap->nr_files);
-
-	dprintk("%s: total: %llu, avail: %llu, flags: %llx, inodes: %llu.\n",
-		__func__, psb->total_size, psb->avail_size, psb->state_flags, cap->nr_files);
-
-	psb->flags = 0;
-	wake_up(&psb->wait);
-	return 0;
-}
-
-/*
- * Crypto capabilities of the server, where it says that
- * it supports or does not requested hash/cipher algorithms.
- */
-static int pohmelfs_crypto_cap_response(struct netfs_state *st)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	struct netfs_crypto_capabilities *cap;
-	struct pohmelfs_sb *psb = st->psb;
-	int err = 0;
-
-	if (cmd->size != sizeof(struct netfs_crypto_capabilities)) {
-		psb->flags = EPROTO;
-		wake_up(&psb->wait);
-		return -EPROTO;
-	}
-
-	cap = st->data;
-
-	dprintk("%s: cipher '%s': %s, hash: '%s': %s.\n",
-			__func__,
-			psb->cipher_string, (cap->cipher_strlen) ? "SUPPORTED" : "NOT SUPPORTED",
-			psb->hash_string, (cap->hash_strlen) ? "SUPPORTED" : "NOT SUPPORTED");
-
-	if (!cap->hash_strlen) {
-		if (psb->hash_strlen && psb->crypto_fail_unsupported)
-			err = -ENOTSUPP;
-		psb->hash_strlen = 0;
-		kfree(psb->hash_string);
-		psb->hash_string = NULL;
-	}
-
-	if (!cap->cipher_strlen) {
-		if (psb->cipher_strlen && psb->crypto_fail_unsupported)
-			err = -ENOTSUPP;
-		psb->cipher_strlen = 0;
-		kfree(psb->cipher_string);
-		psb->cipher_string = NULL;
-	}
-
-	return err;
-}
-
-/*
- * Capabilities handshake response.
- */
-static int pohmelfs_capabilities_response(struct netfs_state *st)
-{
-	struct netfs_cmd *cmd = &st->cmd;
-	int err = 0;
-
-	err = pohmelfs_data_recv(st, st->data, cmd->size);
-	if (err)
-		return err;
-
-	switch (cmd->id) {
-	case POHMELFS_CRYPTO_CAPABILITIES:
-			return pohmelfs_crypto_cap_response(st);
-	case POHMELFS_ROOT_CAPABILITIES:
-			return pohmelfs_root_cap_response(st);
-	default:
-			break;
-	}
-	return -EINVAL;
-}
-
-/*
- * Receiving extended attribute.
- * Does not work properly if received size is more than requested one,
- * it should not happen with current request/reply model though.
- */
-static int pohmelfs_getxattr_response(struct netfs_state *st)
-{
-	struct pohmelfs_sb *psb = st->psb;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct pohmelfs_mcache *m;
-	short error = (signed short)cmd->ext, err;
-	unsigned int sz, total_size;
-
-	m = pohmelfs_mcache_search(psb, cmd->id);
-
-	dprintk("%s: id: %llu, gen: %llu, err: %d.\n",
-		__func__, cmd->id, (m) ? m->gen : 0, error);
-
-	if (!m) {
-		printk("%s: failed to find getxattr cache entry: id: %llu.\n", __func__, cmd->id);
-		return -ENOENT;
-	}
-
-	if (cmd->size) {
-		sz = min_t(unsigned int, cmd->size, m->size);
-		err = pohmelfs_data_recv_and_check(st, m->data, sz);
-		if (err) {
-			error = err;
-			goto out;
-		}
-
-		m->size = sz;
-		total_size = cmd->size - sz;
-
-		while (total_size) {
-			sz = min(total_size, st->size);
-
-			err = pohmelfs_data_recv_and_check(st, st->data, sz);
-			if (err) {
-				error = err;
-				break;
-			}
-
-			total_size -= sz;
-		}
-	}
-
-out:
-	m->err = error;
-	complete(&m->complete);
-	pohmelfs_mcache_put(psb, m);
-
-	return error;
-}
-
-int pohmelfs_data_lock_response(struct netfs_state *st)
-{
-	struct pohmelfs_sb *psb = st->psb;
-	struct netfs_cmd *cmd = &st->cmd;
-	struct pohmelfs_mcache *m;
-	short err = (signed short)cmd->ext;
-	u64 id = cmd->id;
-
-	m = pohmelfs_mcache_search(psb, id);
-
-	dprintk("%s: id: %llu, gen: %llu, err: %d.\n",
-		__func__, cmd->id, (m) ? m->gen : 0, err);
-
-	if (!m) {
-		pohmelfs_data_recv(st, st->data, cmd->size);
-		printk("%s: failed to find data lock response: id: %llu.\n", __func__, cmd->id);
-		return -ENOENT;
-	}
-
-	if (cmd->size)
-		err = pohmelfs_data_recv_and_check(st, &m->info, cmd->size);
-
-	m->err = err;
-	complete(&m->complete);
-	pohmelfs_mcache_put(psb, m);
-
-	return err;
-}
-
-static void __inline__ netfs_state_reset(struct netfs_state *st)
-{
-	netfs_state_lock_send(st);
-	netfs_state_exit(st);
-	netfs_state_init(st);
-	netfs_state_unlock_send(st);
-}
-
-/*
- * Main receiving function, called from dedicated kernel thread.
- */
-static int pohmelfs_recv(void *data)
-{
-	int err = -EINTR;
-	struct netfs_state *st = data;
-	struct netfs_cmd *cmd = &st->cmd;
-
-	while (!kthread_should_stop()) {
-		/*
-		 * If socket will be reset after this statement, then
-		 * pohmelfs_data_recv() will just fail and loop will
-		 * start again, so it can be done without any locks.
-		 *
-		 * st->read_socket is needed to prevents state machine
-		 * breaking between this data reading and subsequent one
-		 * in protocol specific functions during connection reset.
-		 * In case of reset we have to read next command and do
-		 * not expect data for old command to magically appear in
-		 * new connection.
-		 */
-		st->read_socket = st->socket;
-		err = pohmelfs_data_recv(st, cmd, sizeof(struct netfs_cmd));
-		if (err) {
-			msleep(1000);
-			continue;
-		}
-
-		netfs_convert_cmd(cmd);
-
-		dprintk("%s: cmd: %u, id: %llu, start: %llu, size: %u, "
-				"ext: %u, csize: %u, cpad: %u.\n",
-				__func__, cmd->cmd, cmd->id, cmd->start,
-				cmd->size, cmd->ext, cmd->csize, cmd->cpad);
-
-		if (cmd->csize) {
-			struct pohmelfs_crypto_engine *e = &st->eng;
-
-			if (unlikely(cmd->csize > e->size/2)) {
-				netfs_state_reset(st);
-				continue;
-			}
-
-			if (e->hash && unlikely(cmd->csize != st->psb->crypto_attached_size)) {
-				dprintk("%s: cmd: cmd: %u, id: %llu, start: %llu, size: %u, "
-						"csize: %u != digest size %u.\n",
-						__func__, cmd->cmd, cmd->id, cmd->start, cmd->size,
-						cmd->csize, st->psb->crypto_attached_size);
-				netfs_state_reset(st);
-				continue;
-			}
-
-			err = pohmelfs_data_recv(st, e->data, cmd->csize);
-			if (err) {
-				netfs_state_reset(st);
-				continue;
-			}
-
-#ifdef CONFIG_POHMELFS_DEBUG
-			{
-				unsigned int i;
-				unsigned char *hash = e->data;
-
-				dprintk("%s: received hash: ", __func__);
-				for (i = 0; i < cmd->csize; ++i)
-					printk("%02x ", hash[i]);
-
-				printk("\n");
-			}
-#endif
-			cmd->size -= cmd->csize;
-		}
-
-		/*
-		 * This should catch protocol breakage and random garbage instead of commands.
-		 */
-		if (unlikely((cmd->size > st->size) && (cmd->cmd != NETFS_XATTR_GET))) {
-			netfs_state_reset(st);
-			continue;
-		}
-
-		switch (cmd->cmd) {
-		case NETFS_READ_PAGE:
-				err = pohmelfs_read_page_response(st);
-				break;
-		case NETFS_READDIR:
-				err = pohmelfs_readdir_response(st);
-				break;
-		case NETFS_LOOKUP:
-				err = pohmelfs_lookup_response(st);
-				break;
-		case NETFS_CREATE:
-				err = pohmelfs_create_response(st);
-				break;
-		case NETFS_REMOVE:
-				err = pohmelfs_remove_response(st);
-				break;
-		case NETFS_TRANS:
-				err = pohmelfs_transaction_response(st);
-				break;
-		case NETFS_PAGE_CACHE:
-				err = pohmelfs_page_cache_response(st);
-				break;
-		case NETFS_CAPABILITIES:
-				err = pohmelfs_capabilities_response(st);
-				break;
-		case NETFS_LOCK:
-				err = pohmelfs_data_lock_response(st);
-				break;
-		case NETFS_XATTR_GET:
-				err = pohmelfs_getxattr_response(st);
-				break;
-		default:
-				printk("%s: wrong cmd: %u, id: %llu, start: %llu, size: %u, ext: %u.\n",
-					__func__, cmd->cmd, cmd->id, cmd->start, cmd->size, cmd->ext);
-				netfs_state_reset(st);
-				break;
-		}
-	}
-
-	while (!kthread_should_stop())
-		schedule_timeout_uninterruptible(msecs_to_jiffies(10));
-
-	return err;
-}
-
-int netfs_state_init(struct netfs_state *st)
-{
-	int err;
-	struct pohmelfs_ctl *ctl = &st->ctl;
-
-	err = sock_create(ctl->addr.sa_family, ctl->type, ctl->proto, &st->socket);
-	if (err) {
-		printk("%s: failed to create a socket: family: %d, type: %d, proto: %d, err: %d.\n",
-				__func__, ctl->addr.sa_family, ctl->type, ctl->proto, err);
-		goto err_out_exit;
-	}
-
-	st->socket->sk->sk_allocation = GFP_NOIO;
-	st->socket->sk->sk_sndtimeo = st->socket->sk->sk_rcvtimeo = msecs_to_jiffies(60000);
-
-	err = kernel_connect(st->socket, (struct sockaddr *)&ctl->addr, ctl->addrlen, 0);
-	if (err) {
-		printk("%s: failed to connect to server: idx: %u, err: %d.\n",
-				__func__, st->psb->idx, err);
-		goto err_out_release;
-	}
-	st->socket->sk->sk_sndtimeo = st->socket->sk->sk_rcvtimeo = msecs_to_jiffies(60000);
-
-	err = netfs_poll_init(st);
-	if (err)
-		goto err_out_release;
-
-	if (st->socket->ops->family == AF_INET) {
-		struct sockaddr_in *sin = (struct sockaddr_in *)&ctl->addr;
-		printk(KERN_INFO "%s: (re)connected to peer %pi4:%d.\n", __func__,
-			&sin->sin_addr.s_addr, ntohs(sin->sin_port));
-	} else if (st->socket->ops->family == AF_INET6) {
-		struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&ctl->addr;
-		printk(KERN_INFO "%s: (re)connected to peer %pi6:%d", __func__,
-				&sin->sin6_addr, ntohs(sin->sin6_port));
-	}
-
-	return 0;
-
-err_out_release:
-	sock_release(st->socket);
-err_out_exit:
-	st->socket = NULL;
-	return err;
-}
-
-void netfs_state_exit(struct netfs_state *st)
-{
-	if (st->socket) {
-		netfs_poll_exit(st);
-		st->socket->ops->shutdown(st->socket, 2);
-
-		if (st->socket->ops->family == AF_INET) {
-			struct sockaddr_in *sin = (struct sockaddr_in *)&st->ctl.addr;
-			printk(KERN_INFO "%s: disconnected from peer %pi4:%d.\n", __func__,
-				&sin->sin_addr.s_addr, ntohs(sin->sin_port));
-		} else if (st->socket->ops->family == AF_INET6) {
-			struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&st->ctl.addr;
-			printk(KERN_INFO "%s: disconnected from peer %pi6:%d", __func__,
-				&sin->sin6_addr, ntohs(sin->sin6_port));
-		}
-
-		sock_release(st->socket);
-		st->socket = NULL;
-		st->read_socket = NULL;
-		st->need_reset = 0;
-	}
-}
-
-int pohmelfs_state_init_one(struct pohmelfs_sb *psb, struct pohmelfs_config *conf)
-{
-	struct netfs_state *st = &conf->state;
-	int err = -ENOMEM;
-
-	mutex_init(&st->__state_lock);
-	mutex_init(&st->__state_send_lock);
-	init_waitqueue_head(&st->thread_wait);
-
-	st->psb = psb;
-	st->trans_root = RB_ROOT;
-	mutex_init(&st->trans_lock);
-
-	st->size = psb->trans_data_size;
-	st->data = kmalloc(st->size, GFP_KERNEL);
-	if (!st->data)
-		goto err_out_exit;
-
-	if (psb->perform_crypto) {
-		err = pohmelfs_crypto_engine_init(&st->eng, psb);
-		if (err)
-			goto err_out_free_data;
-	}
-
-	err = netfs_state_init(st);
-	if (err)
-		goto err_out_free_engine;
-
-	st->thread = kthread_run(pohmelfs_recv, st, "pohmelfs/%u", psb->idx);
-	if (IS_ERR(st->thread)) {
-		err = PTR_ERR(st->thread);
-		goto err_out_netfs_exit;
-	}
-
-	if (!psb->active_state)
-		psb->active_state = conf;
-
-	dprintk("%s: conf: %p, st: %p, socket: %p.\n",
-			__func__, conf, st, st->socket);
-	return 0;
-
-err_out_netfs_exit:
-	netfs_state_exit(st);
-err_out_free_engine:
-	pohmelfs_crypto_engine_exit(&st->eng);
-err_out_free_data:
-	kfree(st->data);
-err_out_exit:
-	return err;
-
-}
-
-void pohmelfs_state_flush_transactions(struct netfs_state *st)
-{
-	struct rb_node *rb_node;
-	struct netfs_trans_dst *dst;
-
-	mutex_lock(&st->trans_lock);
-	for (rb_node = rb_first(&st->trans_root); rb_node; ) {
-		dst = rb_entry(rb_node, struct netfs_trans_dst, state_entry);
-		rb_node = rb_next(rb_node);
-
-		dst->trans->result = -EINVAL;
-		netfs_trans_remove_nolock(dst, st);
-		netfs_trans_drop_dst_nostate(dst);
-	}
-	mutex_unlock(&st->trans_lock);
-}
-
-static void pohmelfs_state_exit_one(struct pohmelfs_config *c)
-{
-	struct netfs_state *st = &c->state;
-
-	dprintk("%s: exiting, st: %p.\n", __func__, st);
-	if (st->thread) {
-		kthread_stop(st->thread);
-		st->thread = NULL;
-	}
-
-	netfs_state_lock_send(st);
-	netfs_state_exit(st);
-	netfs_state_unlock_send(st);
-
-	pohmelfs_state_flush_transactions(st);
-
-	pohmelfs_crypto_engine_exit(&st->eng);
-	kfree(st->data);
-
-	kfree(c);
-}
-
-/*
- * Initialize network stack. It searches for given ID in global
- * configuration table, this contains information of the remote server
- * (address (any supported by socket interface) and port, protocol and so on).
- */
-int pohmelfs_state_init(struct pohmelfs_sb *psb)
-{
-	int err = -ENOMEM;
-
-	err = pohmelfs_copy_config(psb);
-	if (err) {
-		pohmelfs_state_exit(psb);
-		return err;
-	}
-
-	return 0;
-}
-
-void pohmelfs_state_exit(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config *c, *tmp;
-
-	list_for_each_entry_safe(c, tmp, &psb->state_list, config_entry) {
-		list_del(&c->config_entry);
-		pohmelfs_state_exit_one(c);
-	}
-}
-
-void pohmelfs_switch_active(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config *c = psb->active_state;
-
-	if (!list_empty(&psb->state_list)) {
-		if (c->config_entry.next != &psb->state_list) {
-			psb->active_state = list_entry(c->config_entry.next,
-				struct pohmelfs_config, config_entry);
-		} else {
-			psb->active_state = list_entry(psb->state_list.next,
-				struct pohmelfs_config, config_entry);
-		}
-
-		dprintk("%s: empty: %d, active %p -> %p.\n",
-			__func__, list_empty(&psb->state_list), c,
-			psb->active_state);
-	} else
-		psb->active_state = NULL;
-}
-
-void pohmelfs_check_states(struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config *c, *tmp;
-	LIST_HEAD(delete_list);
-
-	mutex_lock(&psb->state_lock);
-	list_for_each_entry_safe(c, tmp, &psb->state_list, config_entry) {
-		if (pohmelfs_config_check(c, psb->idx)) {
-
-			if (psb->active_state == c)
-				pohmelfs_switch_active(psb);
-			list_move(&c->config_entry, &delete_list);
-		}
-	}
-	pohmelfs_copy_config(psb);
-	mutex_unlock(&psb->state_lock);
-
-	list_for_each_entry_safe(c, tmp, &delete_list, config_entry) {
-		list_del(&c->config_entry);
-		pohmelfs_state_exit_one(c);
-	}
-}
diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h
deleted file mode 100644
index f26894f2a57f..000000000000
--- a/drivers/staging/pohmelfs/netfs.h
+++ /dev/null
@@ -1,919 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __NETFS_H
-#define __NETFS_H
-
-#include <linux/types.h>
-#include <linux/connector.h>
-#include <linux/backing-dev.h>
-
-#define POHMELFS_CN_IDX			5
-#define POHMELFS_CN_VAL			0
-
-#define POHMELFS_CTLINFO_ACK		1
-#define POHMELFS_NOINFO_ACK		2
-
-#define POHMELFS_NULL_IDX		65535
-
-/*
- * Network command structure.
- * Will be extended.
- */
-struct netfs_cmd {
-	__u16			cmd;	/* Command number */
-	__u16			csize;	/* Attached crypto information size */
-	__u16			cpad;	/* Attached padding size */
-	__u16			ext;	/* External flags */
-	__u32			size;	/* Size of the attached data */
-	__u32			trans;	/* Transaction id */
-	__u64			id;	/* Object ID to operate on. Used for feedback.*/
-	__u64			start;	/* Start of the object. */
-	__u64			iv;	/* IV sequence */
-	__u8			data[0];
-};
-
-static inline void netfs_convert_cmd(struct netfs_cmd *cmd)
-{
-	cmd->id = __be64_to_cpu(cmd->id);
-	cmd->start = __be64_to_cpu(cmd->start);
-	cmd->iv = __be64_to_cpu(cmd->iv);
-	cmd->cmd = __be16_to_cpu(cmd->cmd);
-	cmd->ext = __be16_to_cpu(cmd->ext);
-	cmd->csize = __be16_to_cpu(cmd->csize);
-	cmd->cpad = __be16_to_cpu(cmd->cpad);
-	cmd->size = __be32_to_cpu(cmd->size);
-}
-
-#define NETFS_TRANS_SINGLE_DST		(1<<0)
-
-enum {
-	NETFS_READDIR	= 1,	/* Read directory for given inode number */
-	NETFS_READ_PAGE,	/* Read data page from the server */
-	NETFS_WRITE_PAGE,	/* Write data page to the server */
-	NETFS_CREATE,		/* Create directory entry */
-	NETFS_REMOVE,		/* Remove directory entry */
-
-	NETFS_LOOKUP,		/* Lookup single object */
-	NETFS_LINK,		/* Create a link */
-	NETFS_TRANS,		/* Transaction */
-	NETFS_OPEN,		/* Open intent */
-	NETFS_INODE_INFO,	/* Metadata cache coherency synchronization message */
-
-	NETFS_PAGE_CACHE,	/* Page cache invalidation message */
-	NETFS_READ_PAGES,	/* Read multiple contiguous pages in one go */
-	NETFS_RENAME,		/* Rename object */
-	NETFS_CAPABILITIES,	/* Capabilities of the client, for example supported crypto */
-	NETFS_LOCK,		/* Distributed lock message */
-
-	NETFS_XATTR_SET,	/* Set extended attribute */
-	NETFS_XATTR_GET,	/* Get extended attribute */
-	NETFS_CMD_MAX
-};
-
-enum {
-	POHMELFS_FLAGS_ADD = 0, /* Network state control message for ADD */
-	POHMELFS_FLAGS_DEL,     /* Network state control message for DEL */
-	POHMELFS_FLAGS_SHOW,    /* Network state control message for SHOW */
-	POHMELFS_FLAGS_CRYPTO,	/* Crypto data control message */
-	POHMELFS_FLAGS_MODIFY,	/* Network state modification message */
-	POHMELFS_FLAGS_DUMP,	/* Network state control message for SHOW ALL */
-	POHMELFS_FLAGS_FLUSH,	/* Network state control message for FLUSH */
-};
-
-/*
- * Always wanted to copy it from socket headers into public one,
- * since they are __KERNEL__ protected there.
- */
-#define _K_SS_MAXSIZE	128
-
-struct saddr {
-	unsigned short		sa_family;
-	char			addr[_K_SS_MAXSIZE];
-};
-
-enum {
-	POHMELFS_CRYPTO_HASH = 0,
-	POHMELFS_CRYPTO_CIPHER,
-};
-
-struct pohmelfs_crypto {
-	unsigned int		idx;		/* Config index */
-	unsigned short		strlen;		/* Size of the attached crypto string including 0-byte
-						 * "cbc(aes)" for example */
-	unsigned short		type;		/* HMAC, cipher, both */
-	unsigned int		keysize;	/* Key size */
-	unsigned char		data[0];	/* Algorithm string, key and IV */
-};
-
-#define POHMELFS_IO_PERM_READ		(1<<0)
-#define POHMELFS_IO_PERM_WRITE		(1<<1)
-
-/*
- * Configuration command used to create table of different remote servers.
- */
-struct pohmelfs_ctl {
-	__u32			idx;		/* Config index */
-	__u32			type;		/* Socket type */
-	__u32			proto;		/* Socket protocol */
-	__u16			addrlen;	/* Size of the address */
-	__u16			perm;		/* IO permission */
-	__u16			prio;		/* IO priority */
-	struct saddr		addr;		/* Remote server address */
-};
-
-/*
- * Ack for userspace about requested command.
- */
-struct pohmelfs_cn_ack {
-	struct cn_msg		msg;
-	int			error;
-	int			msg_num;
-	int			unused[3];
-	struct pohmelfs_ctl	ctl;
-};
-
-/*
- * Inode info structure used to sync with server.
- * Check what stat() returns.
- */
-struct netfs_inode_info {
-	unsigned int		mode;
-	unsigned int		nlink;
-	unsigned int		uid;
-	unsigned int		gid;
-	unsigned int		blocksize;
-	unsigned int		padding;
-	__u64			ino;
-	__u64			blocks;
-	__u64			rdev;
-	__u64			size;
-	__u64			version;
-};
-
-static inline void netfs_convert_inode_info(struct netfs_inode_info *info)
-{
-	info->mode = __cpu_to_be32(info->mode);
-	info->nlink = __cpu_to_be32(info->nlink);
-	info->uid = __cpu_to_be32(info->uid);
-	info->gid = __cpu_to_be32(info->gid);
-	info->blocksize = __cpu_to_be32(info->blocksize);
-	info->blocks = __cpu_to_be64(info->blocks);
-	info->rdev = __cpu_to_be64(info->rdev);
-	info->size = __cpu_to_be64(info->size);
-	info->version = __cpu_to_be64(info->version);
-	info->ino = __cpu_to_be64(info->ino);
-}
-
-/*
- * Cache state machine.
- */
-enum {
-	NETFS_COMMAND_PENDING = 0,	/* Command is being executed */
-	NETFS_INODE_REMOTE_SYNCED,	/* Inode was synced to server */
-	NETFS_INODE_REMOTE_DIR_SYNCED,	/* Inode (directory) was synced from the server */
-	NETFS_INODE_OWNED,		/* Inode is owned by given host */
-	NETFS_INODE_NEED_FLUSH,		/* Inode has to be flushed to the server */
-};
-
-/*
- * POHMELFS capabilities: information about supported
- * crypto operations (hash/cipher, modes, key sizes and so on),
- * root information (used/available size, number of objects, permissions)
- */
-enum pohmelfs_capabilities {
-	POHMELFS_CRYPTO_CAPABILITIES = 0,
-	POHMELFS_ROOT_CAPABILITIES,
-};
-
-/* Read-only mount */
-#define POHMELFS_FLAGS_RO		(1<<0)
-/* Extended attributes support on/off */
-#define POHMELFS_FLAGS_XATTR		(1<<1)
-
-struct netfs_root_capabilities {
-	__u64			nr_files;
-	__u64			used, avail;
-	__u64			flags;
-};
-
-static inline void netfs_convert_root_capabilities(struct netfs_root_capabilities *cap)
-{
-	cap->nr_files = __cpu_to_be64(cap->nr_files);
-	cap->used = __cpu_to_be64(cap->used);
-	cap->avail = __cpu_to_be64(cap->avail);
-	cap->flags = __cpu_to_be64(cap->flags);
-}
-
-struct netfs_crypto_capabilities {
-	unsigned short		hash_strlen;	/* Hash string length, like "hmac(sha1) including 0 byte "*/
-	unsigned short		cipher_strlen;	/* Cipher string length with the same format */
-	unsigned int		cipher_keysize;	/* Cipher key size */
-};
-
-static inline void netfs_convert_crypto_capabilities(struct netfs_crypto_capabilities *cap)
-{
-	cap->hash_strlen = __cpu_to_be16(cap->hash_strlen);
-	cap->cipher_strlen = __cpu_to_be16(cap->cipher_strlen);
-	cap->cipher_keysize = __cpu_to_be32(cap->cipher_keysize);
-}
-
-enum pohmelfs_lock_type {
-	POHMELFS_LOCK_GRAB	= (1<<15),
-
-	POHMELFS_READ_LOCK	= 0,
-	POHMELFS_WRITE_LOCK,
-};
-
-struct netfs_lock {
-	__u64			start;
-	__u64			ino;
-	__u32			size;
-	__u32			type;
-};
-
-static inline void netfs_convert_lock(struct netfs_lock *lock)
-{
-	lock->start = __cpu_to_be64(lock->start);
-	lock->ino = __cpu_to_be64(lock->ino);
-	lock->size = __cpu_to_be32(lock->size);
-	lock->type = __cpu_to_be32(lock->type);
-}
-
-#ifdef __KERNEL__
-
-#include <linux/kernel.h>
-#include <linux/completion.h>
-#include <linux/rbtree.h>
-#include <linux/net.h>
-#include <linux/poll.h>
-
-/*
- * Private POHMELFS cache of objects in directory.
- */
-struct pohmelfs_name {
-	struct rb_node		hash_node;
-
-	struct list_head	sync_create_entry;
-
-	u64			ino;
-
-	u32			hash;
-	u32			mode;
-	u32			len;
-
-	char			*data;
-};
-
-/*
- * POHMELFS inode. Main object.
- */
-struct pohmelfs_inode {
-	struct list_head	inode_entry;		/* Entry in superblock list.
-							 * Objects which are not bound to dentry require to be dropped
-							 * in ->put_super()
-							 */
-	struct rb_root		hash_root;		/* The same, but indexed by name hash and len */
-	struct mutex		offset_lock;		/* Protect both above trees */
-
-	struct list_head	sync_create_list;	/* List of created but not yet synced to the server children */
-
-	unsigned int		drop_count;
-
-	int			lock_type;		/* How this inode is locked: read or write */
-
-	int			error;			/* Transaction error for given inode */
-
-	long			state;			/* State machine above */
-
-	u64			ino;			/* Inode number */
-	u64			total_len;		/* Total length of all children names, used to create offsets */
-
-	struct inode		vfs_inode;
-};
-
-struct netfs_trans;
-typedef int (*netfs_trans_complete_t)(struct page **pages, unsigned int page_num,
-		void *private, int err);
-
-struct netfs_state;
-struct pohmelfs_sb;
-
-struct netfs_trans {
-	/*
-	 * Transaction header and attached contiguous data live here.
-	 */
-	struct iovec			iovec;
-
-	/*
-	 * Pages attached to transaction.
-	 */
-	struct page			**pages;
-
-	/*
-	 * List and protecting lock for transaction destination
-	 * network states.
-	 */
-	spinlock_t			dst_lock;
-	struct list_head		dst_list;
-
-	/*
-	 * Number of users for given transaction.
-	 * For example each network state attached to transaction
-	 * via dst_list increases it.
-	 */
-	atomic_t			refcnt;
-
-	/*
-	 * Number of pages attached to given transaction.
-	 * Some slots in above page array can be NULL, since
-	 * for example page can be under writeback already,
-	 * so we skip it in this transaction.
-	 */
-	unsigned int			page_num;
-
-	/*
-	 * Transaction flags: single dst or broadcast and so on.
-	 */
-	unsigned int			flags;
-
-	/*
-	 * Size of the data, which can be placed into
-	 * iovec.iov_base area.
-	 */
-	unsigned int			total_size;
-
-	/*
-	 * Number of pages to be sent to remote server.
-	 * Usually equal to above page_num, but in case of partial
-	 * writeback it can accumulate only pages already completed
-	 * previous writeback.
-	 */
-	unsigned int			attached_pages;
-
-	/*
-	 * Attached number of bytes in all above pages.
-	 */
-	unsigned int			attached_size;
-
-	/*
-	 * Unique transacton generation number.
-	 * Used as identity in the network state tree of transactions.
-	 */
-	unsigned int			gen;
-
-	/*
-	 * Transaction completion status.
-	 */
-	int				result;
-
-	/*
-	 * Superblock this transaction belongs to
-	 */
-	struct pohmelfs_sb		*psb;
-
-	/*
-	 * Crypto engine, which processed this transaction.
-	 * Can be not NULL only if crypto engine holds encrypted pages.
-	 */
-	struct pohmelfs_crypto_engine	*eng;
-
-	/* Private data */
-	void				*private;
-
-	/* Completion callback, invoked just before transaction is destroyed */
-	netfs_trans_complete_t		complete;
-};
-
-static inline int netfs_trans_cur_len(struct netfs_trans *t)
-{
-	return (signed)(t->total_size - t->iovec.iov_len);
-}
-
-static inline void *netfs_trans_current(struct netfs_trans *t)
-{
-	return t->iovec.iov_base + t->iovec.iov_len;
-}
-
-struct netfs_trans *netfs_trans_alloc(struct pohmelfs_sb *psb, unsigned int size,
-		unsigned int flags, unsigned int nr);
-void netfs_trans_free(struct netfs_trans *t);
-int netfs_trans_finish(struct netfs_trans *t, struct pohmelfs_sb *psb);
-int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb);
-
-static inline void netfs_trans_reset(struct netfs_trans *t)
-{
-	t->complete = NULL;
-}
-
-struct netfs_trans_dst {
-	struct list_head		trans_entry;
-	struct rb_node			state_entry;
-
-	unsigned long			send_time;
-
-	/*
-	 * Times this transaction was resent to its old or new,
-	 * depending on flags, destinations. When it reaches maximum
-	 * allowed number, specified in superblock->trans_retries,
-	 * transaction will be freed with ETIMEDOUT error.
-	 */
-	unsigned int			retries;
-
-	struct netfs_trans		*trans;
-	struct netfs_state		*state;
-};
-
-struct netfs_trans_dst *netfs_trans_search(struct netfs_state *st, unsigned int gen);
-void netfs_trans_drop_dst(struct netfs_trans_dst *dst);
-void netfs_trans_drop_dst_nostate(struct netfs_trans_dst *dst);
-void netfs_trans_drop_trans(struct netfs_trans *t, struct netfs_state *st);
-void netfs_trans_drop_last(struct netfs_trans *t, struct netfs_state *st);
-int netfs_trans_resend(struct netfs_trans *t, struct pohmelfs_sb *psb);
-int netfs_trans_remove_nolock(struct netfs_trans_dst *dst, struct netfs_state *st);
-
-int netfs_trans_init(void);
-void netfs_trans_exit(void);
-
-struct pohmelfs_crypto_engine {
-	u64				iv;		/* Crypto IV for current operation */
-	unsigned long			timeout;	/* Crypto waiting timeout */
-	unsigned int			size;		/* Size of crypto scratchpad */
-	void				*data;		/* Temporal crypto scratchpad */
-	/*
-	 * Crypto operations performed on objects.
-	 */
-	struct crypto_hash		*hash;
-	struct crypto_ablkcipher	*cipher;
-
-	struct pohmelfs_crypto_thread	*thread;	/* Crypto thread which hosts this engine */
-
-	struct page			**pages;
-	unsigned int			page_num;
-};
-
-struct pohmelfs_crypto_thread {
-	struct list_head		thread_entry;
-
-	struct task_struct		*thread;
-	struct pohmelfs_sb		*psb;
-
-	struct pohmelfs_crypto_engine	eng;
-
-	struct netfs_trans		*trans;
-
-	wait_queue_head_t		wait;
-	int				error;
-
-	unsigned int			size;
-	struct page			*page;
-};
-
-void pohmelfs_crypto_thread_make_ready(struct pohmelfs_crypto_thread *th);
-
-/*
- * Network state, attached to one server.
- */
-struct netfs_state {
-	struct mutex		__state_lock;		/* Can not allow to use the same socket simultaneously */
-	struct mutex		__state_send_lock;
-	struct netfs_cmd	cmd;			/* Cached command */
-	struct netfs_inode_info	info;			/* Cached inode info */
-
-	void			*data;			/* Cached some data */
-	unsigned int		size;			/* Size of that data */
-
-	struct pohmelfs_sb	*psb;			/* Superblock */
-
-	struct task_struct	*thread;		/* Async receiving thread */
-
-	/* Waiting/polling machinery */
-	wait_queue_t		wait;
-	wait_queue_head_t	*whead;
-	wait_queue_head_t	thread_wait;
-
-	struct mutex		trans_lock;
-	struct rb_root		trans_root;
-
-	struct pohmelfs_ctl	ctl;			/* Remote peer */
-
-	struct socket		*socket;		/* Socket object */
-	struct socket		*read_socket;		/* Cached pointer to socket object.
-							 * Used to determine if between lock drops socket was changed.
-							 * Never used to read data or any kind of access.
-							 */
-	/*
-	 * Crypto engines to process incoming data.
-	 */
-	struct pohmelfs_crypto_engine	eng;
-
-	int			need_reset;
-};
-
-int netfs_state_init(struct netfs_state *st);
-void netfs_state_exit(struct netfs_state *st);
-
-static inline void netfs_state_lock_send(struct netfs_state *st)
-{
-	mutex_lock(&st->__state_send_lock);
-}
-
-static inline int netfs_state_trylock_send(struct netfs_state *st)
-{
-	return mutex_trylock(&st->__state_send_lock);
-}
-
-static inline void netfs_state_unlock_send(struct netfs_state *st)
-{
-	BUG_ON(!mutex_is_locked(&st->__state_send_lock));
-
-	mutex_unlock(&st->__state_send_lock);
-}
-
-static inline void netfs_state_lock(struct netfs_state *st)
-{
-	mutex_lock(&st->__state_lock);
-}
-
-static inline void netfs_state_unlock(struct netfs_state *st)
-{
-	BUG_ON(!mutex_is_locked(&st->__state_lock));
-
-	mutex_unlock(&st->__state_lock);
-}
-
-static inline unsigned int netfs_state_poll(struct netfs_state *st)
-{
-	unsigned int revents = POLLHUP | POLLERR;
-
-	netfs_state_lock(st);
-	if (st->socket)
-		revents = st->socket->ops->poll(NULL, st->socket, NULL);
-	netfs_state_unlock(st);
-
-	return revents;
-}
-
-struct pohmelfs_config;
-
-struct pohmelfs_sb {
-	struct rb_root		mcache_root;
-	struct mutex		mcache_lock;
-	atomic_long_t		mcache_gen;
-	unsigned long		mcache_timeout;
-
-	unsigned int		idx;
-
-	unsigned int		trans_retries;
-
-	atomic_t		trans_gen;
-
-	unsigned int		crypto_attached_size;
-	unsigned int		crypto_align_size;
-
-	unsigned int		crypto_fail_unsupported;
-
-	unsigned int		crypto_thread_num;
-	struct list_head	crypto_active_list, crypto_ready_list;
-	struct mutex		crypto_thread_lock;
-
-	unsigned int		trans_max_pages;
-	unsigned long		trans_data_size;
-	unsigned long		trans_timeout;
-
-	unsigned long		drop_scan_timeout;
-	unsigned long		trans_scan_timeout;
-
-	unsigned long		wait_on_page_timeout;
-
-	struct list_head	flush_list;
-	struct list_head	drop_list;
-	spinlock_t		ino_lock;
-	u64			ino;
-
-	/*
-	 * Remote nodes POHMELFS connected to.
-	 */
-	struct list_head	state_list;
-	struct mutex		state_lock;
-
-	/*
-	 * Currently active state to request data from.
-	 */
-	struct pohmelfs_config	*active_state;
-
-
-	wait_queue_head_t	wait;
-
-	/*
-	 * Timed checks: stale transactions, inodes to be freed and so on.
-	 */
-	struct delayed_work	dwork;
-	struct delayed_work	drop_dwork;
-
-	struct super_block	*sb;
-
-	struct backing_dev_info	bdi;
-
-	/*
-	 * Algorithm strings.
-	 */
-	char			*hash_string;
-	char			*cipher_string;
-
-	u8			*hash_key;
-	u8			*cipher_key;
-
-	/*
-	 * Algorithm string lengths.
-	 */
-	unsigned int		hash_strlen;
-	unsigned int		cipher_strlen;
-	unsigned int		hash_keysize;
-	unsigned int		cipher_keysize;
-
-	/*
-	 * Controls whether to perfrom crypto processing or not.
-	 */
-	int			perform_crypto;
-
-	/*
-	 * POHMELFS statistics.
-	 */
-	u64			total_size;
-	u64			avail_size;
-	atomic_long_t		total_inodes;
-
-	/*
-	 * Xattr support, read-only and so on.
-	 */
-	u64			state_flags;
-
-	/*
-	 * Temporary storage to detect changes in the wait queue.
-	 */
-	long			flags;
-};
-
-static inline void netfs_trans_update(struct netfs_cmd *cmd,
-		struct netfs_trans *t, unsigned int size)
-{
-	unsigned int sz = ALIGN(size, t->psb->crypto_align_size);
-
-	t->iovec.iov_len += sizeof(struct netfs_cmd) + sz;
-	cmd->cpad = __cpu_to_be16(sz - size);
-}
-
-static inline struct pohmelfs_sb *POHMELFS_SB(struct super_block *sb)
-{
-	return sb->s_fs_info;
-}
-
-static inline struct pohmelfs_inode *POHMELFS_I(struct inode *inode)
-{
-	return container_of(inode, struct pohmelfs_inode, vfs_inode);
-}
-
-static inline u64 pohmelfs_new_ino(struct pohmelfs_sb *psb)
-{
-	u64 ino;
-
-	spin_lock(&psb->ino_lock);
-	ino = psb->ino++;
-	spin_unlock(&psb->ino_lock);
-
-	return ino;
-}
-
-static inline void pohmelfs_put_inode(struct pohmelfs_inode *pi)
-{
-	struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-
-	spin_lock(&psb->ino_lock);
-	list_move_tail(&pi->inode_entry, &psb->drop_list);
-	pi->drop_count++;
-	spin_unlock(&psb->ino_lock);
-}
-
-struct pohmelfs_config {
-	struct list_head	config_entry;
-
-	struct netfs_state	state;
-};
-
-struct pohmelfs_config_group {
-	/*
-	 * Entry in the global config group list.
-	 */
-	struct list_head	group_entry;
-
-	/*
-	 * Index of the current group.
-	 */
-	unsigned int		idx;
-	/*
-	 * Number of config_list entries in this group entry.
-	 */
-	unsigned int		num_entry;
-	/*
-	 * Algorithm strings.
-	 */
-	char			*hash_string;
-	char			*cipher_string;
-
-	/*
-	 * Algorithm string lengths.
-	 */
-	unsigned int		hash_strlen;
-	unsigned int		cipher_strlen;
-
-	/*
-	 * Key and its size.
-	 */
-	unsigned int		hash_keysize;
-	unsigned int		cipher_keysize;
-	u8			*hash_key;
-	u8			*cipher_key;
-
-	/*
-	 * List of config entries (network state info) for given idx.
-	 */
-	struct list_head	config_list;
-};
-
-int __init pohmelfs_config_init(void);
-void pohmelfs_config_exit(void);
-int pohmelfs_copy_config(struct pohmelfs_sb *psb);
-int pohmelfs_copy_crypto(struct pohmelfs_sb *psb);
-int pohmelfs_config_check(struct pohmelfs_config *config, int idx);
-int pohmelfs_state_init_one(struct pohmelfs_sb *psb, struct pohmelfs_config *conf);
-
-extern const struct file_operations pohmelfs_dir_fops;
-extern const struct inode_operations pohmelfs_dir_inode_ops;
-
-int pohmelfs_state_init(struct pohmelfs_sb *psb);
-void pohmelfs_state_exit(struct pohmelfs_sb *psb);
-void pohmelfs_state_flush_transactions(struct netfs_state *st);
-
-void pohmelfs_fill_inode(struct inode *inode, struct netfs_inode_info *info);
-
-void pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *n);
-void pohmelfs_free_names(struct pohmelfs_inode *parent);
-struct pohmelfs_name *pohmelfs_search_hash(struct pohmelfs_inode *pi, u32 hash);
-
-void pohmelfs_inode_del_inode(struct pohmelfs_sb *psb, struct pohmelfs_inode *pi);
-
-struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb,
-	struct pohmelfs_inode *parent, struct qstr *str, u64 start, umode_t mode);
-
-int pohmelfs_write_create_inode(struct pohmelfs_inode *pi);
-
-int pohmelfs_write_inode_create(struct inode *inode, struct netfs_trans *trans);
-int pohmelfs_remove_child(struct pohmelfs_inode *parent, struct pohmelfs_name *n);
-
-struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb,
-		struct pohmelfs_inode *parent, struct qstr *str,
-		struct netfs_inode_info *info, int link);
-
-int pohmelfs_setattr(struct dentry *dentry, struct iattr *attr);
-int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr);
-
-int pohmelfs_meta_command(struct pohmelfs_inode *pi, unsigned int cmd_op, unsigned int flags,
-		netfs_trans_complete_t complete, void *priv, u64 start);
-int pohmelfs_meta_command_data(struct pohmelfs_inode *pi, u64 id, unsigned int cmd_op, char *addon,
-		unsigned int flags, netfs_trans_complete_t complete, void *priv, u64 start);
-
-void pohmelfs_check_states(struct pohmelfs_sb *psb);
-void pohmelfs_switch_active(struct pohmelfs_sb *psb);
-
-int pohmelfs_construct_path_string(struct pohmelfs_inode *pi, void *data, int len);
-int pohmelfs_path_length(struct pohmelfs_inode *pi);
-
-struct pohmelfs_crypto_completion {
-	struct completion	complete;
-	int			error;
-};
-
-int pohmelfs_trans_crypt(struct netfs_trans *t, struct pohmelfs_sb *psb);
-void pohmelfs_crypto_exit(struct pohmelfs_sb *psb);
-int pohmelfs_crypto_init(struct pohmelfs_sb *psb);
-
-int pohmelfs_crypto_engine_init(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb);
-void pohmelfs_crypto_engine_exit(struct pohmelfs_crypto_engine *e);
-
-int pohmelfs_crypto_process_input_data(struct pohmelfs_crypto_engine *e, u64 iv,
-		void *data, struct page *page, unsigned int size);
-int pohmelfs_crypto_process_input_page(struct pohmelfs_crypto_engine *e,
-		struct page *page, unsigned int size, u64 iv);
-
-static inline u64 pohmelfs_gen_iv(struct netfs_trans *t)
-{
-	u64 iv = t->gen;
-
-	iv <<= 32;
-	iv |= ((unsigned long)t) & 0xffffffff;
-
-	return iv;
-}
-
-int pohmelfs_data_lock(struct pohmelfs_inode *pi, u64 start, u32 size, int type);
-int pohmelfs_data_unlock(struct pohmelfs_inode *pi, u64 start, u32 size, int type);
-int pohmelfs_data_lock_response(struct netfs_state *st);
-
-static inline int pohmelfs_need_lock(struct pohmelfs_inode *pi, int type)
-{
-	if (test_bit(NETFS_INODE_OWNED, &pi->state)) {
-		if (type == pi->lock_type)
-			return 0;
-		if ((type == POHMELFS_READ_LOCK) && (pi->lock_type == POHMELFS_WRITE_LOCK))
-			return 0;
-	}
-
-	if (!test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state))
-		return 0;
-
-	return 1;
-}
-
-int __init pohmelfs_mcache_init(void);
-void pohmelfs_mcache_exit(void);
-
-/* #define CONFIG_POHMELFS_DEBUG */
-
-#ifdef CONFIG_POHMELFS_DEBUG
-#define dprintka(f, a...) printk(f, ##a)
-#define dprintk(f, a...) printk("%d: " f, task_pid_vnr(current), ##a)
-#else
-#define dprintka(f, a...) do {} while (0)
-#define dprintk(f, a...) do {} while (0)
-#endif
-
-static inline void netfs_trans_get(struct netfs_trans *t)
-{
-	atomic_inc(&t->refcnt);
-}
-
-static inline void netfs_trans_put(struct netfs_trans *t)
-{
-	if (atomic_dec_and_test(&t->refcnt)) {
-		dprintk("%s: t: %p, gen: %u, err: %d.\n",
-			__func__, t, t->gen, t->result);
-		if (t->complete)
-			t->complete(t->pages, t->page_num,
-				t->private, t->result);
-		netfs_trans_free(t);
-	}
-}
-
-struct pohmelfs_mcache {
-	struct rb_node			mcache_entry;
-	struct completion		complete;
-
-	atomic_t			refcnt;
-
-	u64				gen;
-
-	void				*data;
-	u64				start;
-	u32				size;
-	int				err;
-
-	struct netfs_inode_info		info;
-};
-
-struct pohmelfs_mcache *pohmelfs_mcache_alloc(struct pohmelfs_sb *psb, u64 start,
-		unsigned int size, void *data);
-void pohmelfs_mcache_free(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m);
-struct pohmelfs_mcache *pohmelfs_mcache_search(struct pohmelfs_sb *psb, u64 gen);
-void pohmelfs_mcache_remove_locked(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m);
-
-static inline void pohmelfs_mcache_get(struct pohmelfs_mcache *m)
-{
-	atomic_inc(&m->refcnt);
-}
-
-static inline void pohmelfs_mcache_put(struct pohmelfs_sb *psb,
-		struct pohmelfs_mcache *m)
-{
-	if (atomic_dec_and_test(&m->refcnt))
-		pohmelfs_mcache_free(psb, m);
-}
-
-/*#define POHMELFS_TRUNCATE_ON_INODE_FLUSH
- */
-
-#endif /* __KERNEL__*/
-
-#endif /* __NETFS_H */
diff --git a/drivers/staging/pohmelfs/path_entry.c b/drivers/staging/pohmelfs/path_entry.c
deleted file mode 100644
index 400a9fc386ad..000000000000
--- a/drivers/staging/pohmelfs/path_entry.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/ktime.h>
-#include <linux/fs_struct.h>
-#include <linux/pagemap.h>
-#include <linux/writeback.h>
-#include <linux/mount.h>
-#include <linux/mm.h>
-
-#include "netfs.h"
-
-#define UNHASHED_OBSCURE_STRING_SIZE		sizeof(" (deleted)")
-
-/*
- * Create path from root for given inode.
- * Path is formed as set of stuctures, containing name of the object
- * and its inode data (mode, permissions and so on).
- */
-int pohmelfs_construct_path_string(struct pohmelfs_inode *pi, void *data, int len)
-{
-	struct path path;
-	struct dentry *d;
-	char *ptr;
-	int err = 0, strlen, reduce = 0;
-
-	d = d_find_alias(&pi->vfs_inode);
-	if (!d) {
-		printk("%s: no alias, list_empty: %d.\n", __func__, list_empty(&pi->vfs_inode.i_dentry));
-		return -ENOENT;
-	}
-
-	spin_lock(&current->fs->lock);
-	path.mnt = mntget(current->fs->root.mnt);
-	spin_unlock(&current->fs->lock);
-
-	path.dentry = d;
-
-	if (!IS_ROOT(d) && d_unhashed(d))
-		reduce = 1;
-
-	ptr = d_path(&path, data, len);
-	if (IS_ERR(ptr)) {
-		err = PTR_ERR(ptr);
-		goto out;
-	}
-
-	if (reduce && len >= UNHASHED_OBSCURE_STRING_SIZE) {
-		char *end = data + len - UNHASHED_OBSCURE_STRING_SIZE;
-		*end = '\0';
-	}
-
-	strlen = len - (ptr - (char *)data);
-	memmove(data, ptr, strlen);
-	ptr = data;
-
-	err = strlen;
-
-	dprintk("%s: dname: '%s', len: %u, maxlen: %u, name: '%s', strlen: %d.\n",
-			__func__, d->d_name.name, d->d_name.len, len, ptr, strlen);
-
-out:
-	dput(d);
-	mntput(path.mnt);
-
-	return err;
-}
-
-int pohmelfs_path_length(struct pohmelfs_inode *pi)
-{
-	struct dentry *d, *root, *first;
-	int len;
-	unsigned seq;
-
-	first = d_find_alias(&pi->vfs_inode);
-	if (!first) {
-		dprintk("%s: ino: %llu, mode: %o.\n", __func__, pi->ino, pi->vfs_inode.i_mode);
-		return -ENOENT;
-	}
-
-	spin_lock(&current->fs->lock);
-	root = dget(current->fs->root.dentry);
-	spin_unlock(&current->fs->lock);
-
-rename_retry:
-	len = 1; /* Root slash */
-	d = first;
-	seq = read_seqbegin(&rename_lock);
-	rcu_read_lock();
-
-	if (!IS_ROOT(d) && d_unhashed(d))
-		len += UNHASHED_OBSCURE_STRING_SIZE; /* Obscure " (deleted)" string */
-
-	while (d && d != root && !IS_ROOT(d)) {
-		len += d->d_name.len + 1; /* Plus slash */
-		d = d->d_parent;
-	}
-	rcu_read_unlock();
-	if (read_seqretry(&rename_lock, seq))
-		goto rename_retry;
-
-	dput(root);
-	dput(first);
-
-	return len + 1; /* Including zero-byte */
-}
diff --git a/drivers/staging/pohmelfs/trans.c b/drivers/staging/pohmelfs/trans.c
deleted file mode 100644
index 06c1a7451b1b..000000000000
--- a/drivers/staging/pohmelfs/trans.c
+++ /dev/null
@@ -1,706 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/crypto.h>
-#include <linux/fs.h>
-#include <linux/jhash.h>
-#include <linux/hash.h>
-#include <linux/ktime.h>
-#include <linux/mempool.h>
-#include <linux/mm.h>
-#include <linux/mount.h>
-#include <linux/pagemap.h>
-#include <linux/parser.h>
-#include <linux/poll.h>
-#include <linux/swap.h>
-#include <linux/slab.h>
-#include <linux/statfs.h>
-#include <linux/writeback.h>
-
-#include "netfs.h"
-
-static struct kmem_cache *netfs_trans_dst;
-static mempool_t *netfs_trans_dst_pool;
-
-static void netfs_trans_init_static(struct netfs_trans *t, int num, int size)
-{
-	t->page_num = num;
-	t->total_size = size;
-	atomic_set(&t->refcnt, 1);
-
-	spin_lock_init(&t->dst_lock);
-	INIT_LIST_HEAD(&t->dst_list);
-}
-
-static int netfs_trans_send_pages(struct netfs_trans *t, struct netfs_state *st)
-{
-	int err = 0;
-	unsigned int i, attached_pages = t->attached_pages, ci;
-	struct msghdr msg;
-	struct page **pages = (t->eng) ? t->eng->pages : t->pages;
-	struct page *p;
-	unsigned int size;
-
-	msg.msg_name = NULL;
-	msg.msg_namelen = 0;
-	msg.msg_control = NULL;
-	msg.msg_controllen = 0;
-	msg.msg_flags = MSG_WAITALL | MSG_MORE;
-
-	ci = 0;
-	for (i = 0; i < t->page_num; ++i) {
-		struct page *page = pages[ci];
-		struct netfs_cmd cmd;
-		struct iovec io;
-
-		p = t->pages[i];
-
-		if (!p)
-			continue;
-
-		size = page_private(p);
-
-		io.iov_base = &cmd;
-		io.iov_len = sizeof(struct netfs_cmd);
-
-		cmd.cmd = NETFS_WRITE_PAGE;
-		cmd.ext = 0;
-		cmd.id = 0;
-		cmd.size = size;
-		cmd.start = p->index;
-		cmd.start <<= PAGE_CACHE_SHIFT;
-		cmd.csize = 0;
-		cmd.cpad = 0;
-		cmd.iv = pohmelfs_gen_iv(t);
-
-		netfs_convert_cmd(&cmd);
-
-		msg.msg_iov = &io;
-		msg.msg_iovlen = 1;
-		msg.msg_flags = MSG_WAITALL | MSG_MORE;
-
-		err = kernel_sendmsg(st->socket, &msg, (struct kvec *)msg.msg_iov, 1, sizeof(struct netfs_cmd));
-		if (err <= 0) {
-			printk("%s: %d/%d failed to send transaction header: t: %p, gen: %u, err: %d.\n",
-					__func__, i, t->page_num, t, t->gen, err);
-			if (err == 0)
-				err = -ECONNRESET;
-			goto err_out;
-		}
-
-		msg.msg_flags = MSG_WAITALL | (attached_pages == 1 ? 0 :
-				MSG_MORE);
-
-		err = kernel_sendpage(st->socket, page, 0, size, msg.msg_flags);
-		if (err <= 0) {
-			printk("%s: %d/%d failed to send transaction page: t: %p, gen: %u, size: %u, err: %d.\n",
-					__func__, i, t->page_num, t, t->gen, size, err);
-			if (err == 0)
-				err = -ECONNRESET;
-			goto err_out;
-		}
-
-		dprintk("%s: %d/%d sent t: %p, gen: %u, page: %p/%p, size: %u.\n",
-			__func__, i, t->page_num, t, t->gen, page, p, size);
-
-		err = 0;
-		attached_pages--;
-		if (!attached_pages)
-			break;
-		ci++;
-
-		continue;
-
-err_out:
-		printk("%s: t: %p, gen: %u, err: %d.\n", __func__, t, t->gen, err);
-		netfs_state_exit(st);
-		break;
-	}
-
-	return err;
-}
-
-int netfs_trans_send(struct netfs_trans *t, struct netfs_state *st)
-{
-	int err;
-	struct msghdr msg;
-
-	BUG_ON(!t->iovec.iov_len);
-	BUG_ON(t->iovec.iov_len > 1024*1024*1024);
-
-	netfs_state_lock_send(st);
-	if (!st->socket) {
-		err = netfs_state_init(st);
-		if (err)
-			goto err_out_unlock_return;
-	}
-
-	msg.msg_iov = &t->iovec;
-	msg.msg_iovlen = 1;
-	msg.msg_name = NULL;
-	msg.msg_namelen = 0;
-	msg.msg_control = NULL;
-	msg.msg_controllen = 0;
-	msg.msg_flags = MSG_WAITALL;
-
-	if (t->attached_pages)
-		msg.msg_flags |= MSG_MORE;
-
-	err = kernel_sendmsg(st->socket, &msg, (struct kvec *)msg.msg_iov, 1, t->iovec.iov_len);
-	if (err <= 0) {
-		printk("%s: failed to send contig transaction: t: %p, gen: %u, size: %zu, err: %d.\n",
-				__func__, t, t->gen, t->iovec.iov_len, err);
-		if (err == 0)
-			err = -ECONNRESET;
-		goto err_out_unlock_return;
-	}
-
-	dprintk("%s: sent %s transaction: t: %p, gen: %u, size: %zu, page_num: %u.\n",
-			__func__, (t->page_num) ? "partial" : "full",
-			t, t->gen, t->iovec.iov_len, t->page_num);
-
-	err = 0;
-	if (t->attached_pages)
-		err = netfs_trans_send_pages(t, st);
-
-err_out_unlock_return:
-
-	if (st->need_reset)
-		netfs_state_exit(st);
-
-	netfs_state_unlock_send(st);
-
-	dprintk("%s: t: %p, gen: %u, err: %d.\n",
-		__func__, t, t->gen, err);
-
-	t->result = err;
-	return err;
-}
-
-static inline int netfs_trans_cmp(unsigned int gen, unsigned int new)
-{
-	if (gen < new)
-		return 1;
-	if (gen > new)
-		return -1;
-	return 0;
-}
-
-struct netfs_trans_dst *netfs_trans_search(struct netfs_state *st, unsigned int gen)
-{
-	struct rb_root *root = &st->trans_root;
-	struct rb_node *n = root->rb_node;
-	struct netfs_trans_dst *tmp, *ret = NULL;
-	struct netfs_trans *t;
-	int cmp;
-
-	while (n) {
-		tmp = rb_entry(n, struct netfs_trans_dst, state_entry);
-		t = tmp->trans;
-
-		cmp = netfs_trans_cmp(t->gen, gen);
-		if (cmp < 0)
-			n = n->rb_left;
-		else if (cmp > 0)
-			n = n->rb_right;
-		else {
-			ret = tmp;
-			break;
-		}
-	}
-
-	return ret;
-}
-
-static int netfs_trans_insert(struct netfs_trans_dst *ndst, struct netfs_state *st)
-{
-	struct rb_root *root = &st->trans_root;
-	struct rb_node **n = &root->rb_node, *parent = NULL;
-	struct netfs_trans_dst *ret = NULL, *tmp;
-	struct netfs_trans *t = NULL, *new = ndst->trans;
-	int cmp;
-
-	while (*n) {
-		parent = *n;
-
-		tmp = rb_entry(parent, struct netfs_trans_dst, state_entry);
-		t = tmp->trans;
-
-		cmp = netfs_trans_cmp(t->gen, new->gen);
-		if (cmp < 0)
-			n = &parent->rb_left;
-		else if (cmp > 0)
-			n = &parent->rb_right;
-		else {
-			ret = tmp;
-			break;
-		}
-	}
-
-	if (ret) {
-		printk("%s: exist: old: gen: %u, flags: %x, send_time: %lu, "
-				"new: gen: %u, flags: %x, send_time: %lu.\n",
-			__func__, t->gen, t->flags, ret->send_time,
-			new->gen, new->flags, ndst->send_time);
-		return -EEXIST;
-	}
-
-	rb_link_node(&ndst->state_entry, parent, n);
-	rb_insert_color(&ndst->state_entry, root);
-	ndst->send_time = jiffies;
-
-	return 0;
-}
-
-int netfs_trans_remove_nolock(struct netfs_trans_dst *dst, struct netfs_state *st)
-{
-	if (dst && dst->state_entry.rb_parent_color) {
-		rb_erase(&dst->state_entry, &st->trans_root);
-		dst->state_entry.rb_parent_color = 0;
-		return 1;
-	}
-	return 0;
-}
-
-static int netfs_trans_remove_state(struct netfs_trans_dst *dst)
-{
-	int ret;
-	struct netfs_state *st = dst->state;
-
-	mutex_lock(&st->trans_lock);
-	ret = netfs_trans_remove_nolock(dst, st);
-	mutex_unlock(&st->trans_lock);
-
-	return ret;
-}
-
-/*
- * Create new destination for given transaction associated with given network state.
- * Transaction's reference counter is bumped and will be dropped when either
- * reply is received or when async timeout detection task will fail resending
- * and drop transaction.
- */
-static int netfs_trans_push_dst(struct netfs_trans *t, struct netfs_state *st)
-{
-	struct netfs_trans_dst *dst;
-	int err;
-
-	dst = mempool_alloc(netfs_trans_dst_pool, GFP_KERNEL);
-	if (!dst)
-		return -ENOMEM;
-
-	dst->retries = 0;
-	dst->send_time = 0;
-	dst->state = st;
-	dst->trans = t;
-	netfs_trans_get(t);
-
-	mutex_lock(&st->trans_lock);
-	err = netfs_trans_insert(dst, st);
-	mutex_unlock(&st->trans_lock);
-
-	if (err)
-		goto err_out_free;
-
-	spin_lock(&t->dst_lock);
-	list_add_tail(&dst->trans_entry, &t->dst_list);
-	spin_unlock(&t->dst_lock);
-
-	return 0;
-
-err_out_free:
-	t->result = err;
-	netfs_trans_put(t);
-	mempool_free(dst, netfs_trans_dst_pool);
-	return err;
-}
-
-static void netfs_trans_free_dst(struct netfs_trans_dst *dst)
-{
-	netfs_trans_put(dst->trans);
-	mempool_free(dst, netfs_trans_dst_pool);
-}
-
-static void netfs_trans_remove_dst(struct netfs_trans_dst *dst)
-{
-	if (netfs_trans_remove_state(dst))
-		netfs_trans_free_dst(dst);
-}
-
-/*
- * Drop destination transaction entry when we know it.
- */
-void netfs_trans_drop_dst(struct netfs_trans_dst *dst)
-{
-	struct netfs_trans *t = dst->trans;
-
-	spin_lock(&t->dst_lock);
-	list_del_init(&dst->trans_entry);
-	spin_unlock(&t->dst_lock);
-
-	netfs_trans_remove_dst(dst);
-}
-
-/*
- * Drop destination transaction entry when we know it and when we
- * already removed dst from state tree.
- */
-void netfs_trans_drop_dst_nostate(struct netfs_trans_dst *dst)
-{
-	struct netfs_trans *t = dst->trans;
-
-	spin_lock(&t->dst_lock);
-	list_del_init(&dst->trans_entry);
-	spin_unlock(&t->dst_lock);
-
-	netfs_trans_free_dst(dst);
-}
-
-/*
- * This drops destination transaction entry from appropriate network state
- * tree and drops related reference counter. It is possible that transaction
- * will be freed here if its reference counter hits zero.
- * Destination transaction entry will be freed.
- */
-void netfs_trans_drop_trans(struct netfs_trans *t, struct netfs_state *st)
-{
-	struct netfs_trans_dst *dst, *tmp, *ret = NULL;
-
-	spin_lock(&t->dst_lock);
-	list_for_each_entry_safe(dst, tmp, &t->dst_list, trans_entry) {
-		if (dst->state == st) {
-			ret = dst;
-			list_del(&dst->trans_entry);
-			break;
-		}
-	}
-	spin_unlock(&t->dst_lock);
-
-	if (ret)
-		netfs_trans_remove_dst(ret);
-}
-
-/*
- * This drops destination transaction entry from appropriate network state
- * tree and drops related reference counter. It is possible that transaction
- * will be freed here if its reference counter hits zero.
- * Destination transaction entry will be freed.
- */
-void netfs_trans_drop_last(struct netfs_trans *t, struct netfs_state *st)
-{
-	struct netfs_trans_dst *dst, *tmp, *ret;
-
-	spin_lock(&t->dst_lock);
-	ret = list_entry(t->dst_list.prev, struct netfs_trans_dst, trans_entry);
-	if (ret->state != st) {
-		ret = NULL;
-		list_for_each_entry_safe(dst, tmp, &t->dst_list, trans_entry) {
-			if (dst->state == st) {
-				ret = dst;
-				list_del_init(&dst->trans_entry);
-				break;
-			}
-		}
-	} else {
-		list_del(&ret->trans_entry);
-	}
-	spin_unlock(&t->dst_lock);
-
-	if (ret)
-		netfs_trans_remove_dst(ret);
-}
-
-static int netfs_trans_push(struct netfs_trans *t, struct netfs_state *st)
-{
-	int err;
-
-	err = netfs_trans_push_dst(t, st);
-	if (err)
-		return err;
-
-	err = netfs_trans_send(t, st);
-	if (err)
-		goto err_out_free;
-
-	if (t->flags & NETFS_TRANS_SINGLE_DST)
-		pohmelfs_switch_active(st->psb);
-
-	return 0;
-
-err_out_free:
-	t->result = err;
-	netfs_trans_drop_last(t, st);
-
-	return err;
-}
-
-int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb)
-{
-	struct pohmelfs_config *c;
-	int err = -ENODEV;
-	struct netfs_state *st;
-#if 0
-	dprintk("%s: t: %p, gen: %u, size: %u, page_num: %u, active: %p.\n",
-		__func__, t, t->gen, t->iovec.iov_len, t->page_num, psb->active_state);
-#endif
-	mutex_lock(&psb->state_lock);
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-
-		if (t->flags & NETFS_TRANS_SINGLE_DST) {
-			if (!(st->ctl.perm & POHMELFS_IO_PERM_READ))
-				continue;
-		} else {
-			if (!(st->ctl.perm & POHMELFS_IO_PERM_WRITE))
-				continue;
-		}
-
-		if (psb->active_state && (psb->active_state->state.ctl.prio >= st->ctl.prio) &&
-				(t->flags & NETFS_TRANS_SINGLE_DST))
-			st = &psb->active_state->state;
-
-		err = netfs_trans_push(t, st);
-		if (!err && (t->flags & NETFS_TRANS_SINGLE_DST))
-			break;
-	}
-
-	mutex_unlock(&psb->state_lock);
-#if 0
-	dprintk("%s: fully sent t: %p, gen: %u, size: %u, page_num: %u, err: %d.\n",
-		__func__, t, t->gen, t->iovec.iov_len, t->page_num, err);
-#endif
-	if (err)
-		t->result = err;
-	return err;
-}
-
-int netfs_trans_finish(struct netfs_trans *t, struct pohmelfs_sb *psb)
-{
-	int err;
-	struct netfs_cmd *cmd = t->iovec.iov_base;
-
-	t->gen = atomic_inc_return(&psb->trans_gen);
-
-	cmd->size = t->iovec.iov_len - sizeof(struct netfs_cmd) +
-		t->attached_size + t->attached_pages * sizeof(struct netfs_cmd);
-	cmd->cmd = NETFS_TRANS;
-	cmd->start = t->gen;
-	cmd->id = 0;
-
-	if (psb->perform_crypto) {
-		cmd->ext = psb->crypto_attached_size;
-		cmd->csize = psb->crypto_attached_size;
-	}
-
-	dprintk("%s: t: %u, size: %u, iov_len: %zu, attached_size: %u, attached_pages: %u.\n",
-			__func__, t->gen, cmd->size, t->iovec.iov_len, t->attached_size, t->attached_pages);
-	err = pohmelfs_trans_crypt(t, psb);
-	if (err) {
-		t->result = err;
-		netfs_convert_cmd(cmd);
-		dprintk("%s: trans: %llu, crypto_attached_size: %u, attached_size: %u, attached_pages: %d, trans_size: %u, err: %d.\n",
-			__func__, cmd->start, psb->crypto_attached_size, t->attached_size, t->attached_pages, cmd->size, err);
-	}
-	netfs_trans_put(t);
-	return err;
-}
-
-/*
- * Resend transaction to remote server(s).
- * If new servers were added into superblock, we can try to send data
- * to them too.
- *
- * It is called under superblock's state_lock, so we can safely
- * dereference psb->state_list. Also, transaction's reference counter is
- * bumped, so it can not go away under us, thus we can safely access all
- * its members. State is locked.
- *
- * This function returns 0 if transaction was successfully sent to at
- * least one destination target.
- */
-int netfs_trans_resend(struct netfs_trans *t, struct pohmelfs_sb *psb)
-{
-	struct netfs_trans_dst *dst;
-	struct netfs_state *st;
-	struct pohmelfs_config *c;
-	int err, exist, error = -ENODEV;
-
-	list_for_each_entry(c, &psb->state_list, config_entry) {
-		st = &c->state;
-
-		exist = 0;
-		spin_lock(&t->dst_lock);
-		list_for_each_entry(dst, &t->dst_list, trans_entry) {
-			if (st == dst->state) {
-				exist = 1;
-				break;
-			}
-		}
-		spin_unlock(&t->dst_lock);
-
-		if (exist) {
-			if (!(t->flags & NETFS_TRANS_SINGLE_DST) ||
-					(c->config_entry.next == &psb->state_list)) {
-				dprintk("%s: resending st: %p, t: %p, gen: %u.\n",
-						__func__, st, t, t->gen);
-				err = netfs_trans_send(t, st);
-				if (!err)
-					error = 0;
-			}
-			continue;
-		}
-
-		dprintk("%s: pushing/resending st: %p, t: %p, gen: %u.\n",
-				__func__, st, t, t->gen);
-		err = netfs_trans_push(t, st);
-		if (err)
-			continue;
-		error = 0;
-		if (t->flags & NETFS_TRANS_SINGLE_DST)
-			break;
-	}
-
-	t->result = error;
-	return error;
-}
-
-void *netfs_trans_add(struct netfs_trans *t, unsigned int size)
-{
-	struct iovec *io = &t->iovec;
-	void *ptr;
-
-	if (size > t->total_size) {
-		ptr = ERR_PTR(-EINVAL);
-		goto out;
-	}
-
-	if (io->iov_len + size > t->total_size) {
-		dprintk("%s: too big size t: %p, gen: %u, iov_len: %zu, size: %u, total: %u.\n",
-				__func__, t, t->gen, io->iov_len, size, t->total_size);
-		ptr = ERR_PTR(-E2BIG);
-		goto out;
-	}
-
-	ptr = io->iov_base + io->iov_len;
-	io->iov_len += size;
-
-out:
-	dprintk("%s: t: %p, gen: %u, size: %u, total: %zu.\n",
-		__func__, t, t->gen, size, io->iov_len);
-	return ptr;
-}
-
-void netfs_trans_free(struct netfs_trans *t)
-{
-	if (t->eng)
-		pohmelfs_crypto_thread_make_ready(t->eng->thread);
-	kfree(t);
-}
-
-struct netfs_trans *netfs_trans_alloc(struct pohmelfs_sb *psb, unsigned int size,
-		unsigned int flags, unsigned int nr)
-{
-	struct netfs_trans *t;
-	unsigned int num, cont, pad, size_no_trans;
-	unsigned int crypto_added = 0;
-	struct netfs_cmd *cmd;
-
-	if (psb->perform_crypto)
-		crypto_added = psb->crypto_attached_size;
-
-	/*
-	 * |sizeof(struct netfs_trans)|
-	 * |sizeof(struct netfs_cmd)| - transaction header
-	 * |size| - buffer with requested size
-	 * |padding| - crypto padding, zero bytes
-	 * |nr * sizeof(struct page *)| - array of page pointers
-	 *
-	 * Overall size should be less than PAGE_SIZE for guaranteed allocation.
-	 */
-
-	cont = size;
-	size = ALIGN(size, psb->crypto_align_size);
-	pad = size - cont;
-
-	size_no_trans = size + sizeof(struct netfs_cmd) * 2 + crypto_added;
-
-	cont = sizeof(struct netfs_trans) + size_no_trans;
-
-	num = (PAGE_SIZE - cont)/sizeof(struct page *);
-
-	if (nr > num)
-		nr = num;
-
-	t = kzalloc(cont + nr*sizeof(struct page *), GFP_NOIO);
-	if (!t)
-		goto err_out_exit;
-
-	t->iovec.iov_base = (void *)(t + 1);
-	t->pages = (struct page **)(t->iovec.iov_base + size_no_trans);
-
-	/*
-	 * Reserving space for transaction header.
-	 */
-	t->iovec.iov_len = sizeof(struct netfs_cmd) + crypto_added;
-
-	netfs_trans_init_static(t, nr, size_no_trans);
-
-	t->flags = flags;
-	t->psb = psb;
-
-	cmd = (struct netfs_cmd *)t->iovec.iov_base;
-
-	cmd->size = size;
-	cmd->cpad = pad;
-	cmd->csize = crypto_added;
-
-	dprintk("%s: t: %p, gen: %u, size: %u, padding: %u, align_size: %u, flags: %x, "
-			"page_num: %u, base: %p, pages: %p.\n",
-			__func__, t, t->gen, size, pad, psb->crypto_align_size, flags, nr,
-			t->iovec.iov_base, t->pages);
-
-	return t;
-
-err_out_exit:
-	return NULL;
-}
-
-int netfs_trans_init(void)
-{
-	int err = -ENOMEM;
-
-	netfs_trans_dst = kmem_cache_create("netfs_trans_dst", sizeof(struct netfs_trans_dst),
-			0, 0, NULL);
-	if (!netfs_trans_dst)
-		goto err_out_exit;
-
-	netfs_trans_dst_pool = mempool_create_slab_pool(256, netfs_trans_dst);
-	if (!netfs_trans_dst_pool)
-		goto err_out_free;
-
-	return 0;
-
-err_out_free:
-	kmem_cache_destroy(netfs_trans_dst);
-err_out_exit:
-	return err;
-}
-
-void netfs_trans_exit(void)
-{
-	mempool_destroy(netfs_trans_dst_pool);
-	kmem_cache_destroy(netfs_trans_dst);
-}
diff --git a/drivers/staging/rtl8712/drv_types.h b/drivers/staging/rtl8712/drv_types.h
index 9b5d771e650c..ed85b4415207 100644
--- a/drivers/staging/rtl8712/drv_types.h
+++ b/drivers/staging/rtl8712/drv_types.h
@@ -37,6 +37,8 @@ struct _adapter;
 #include "wlan_bssdef.h"
 #include "rtl8712_spec.h"
 #include "rtl8712_hal.h"
+#include <linux/mutex.h>
+#include <linux/completion.h>
 
 enum _NIC_VERSION {
 	RTL8711_NIC,
@@ -168,6 +170,7 @@ struct _adapter {
 	s32	bSurpriseRemoved;
 	u32	IsrContent;
 	u32	ImrContent;
+	bool	fw_found;
 	u8	EepromAddressSize;
 	u8	hw_init_completed;
 	struct task_struct *cmdThread;
@@ -184,6 +187,10 @@ struct _adapter {
 	_workitem wkFilterRxFF0;
 	u8 blnEnableRxFF0Filter;
 	spinlock_t lockRxFF0Filter;
+	const struct firmware *fw;
+	struct usb_interface *pusb_intf;
+	struct mutex mutex_start;
+	struct completion rtl8712_fw_ready;
 };
 
 static inline u8 *myid(struct eeprom_priv *peepriv)
diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c
index d0029aa4cd3c..cc893c0f5ad3 100644
--- a/drivers/staging/rtl8712/hal_init.c
+++ b/drivers/staging/rtl8712/hal_init.c
@@ -42,29 +42,56 @@
 #define FWBUFF_ALIGN_SZ 512
 #define MAX_DUMP_FWSZ	49152 /*default = 49152 (48k)*/
 
-static u32 rtl871x_open_fw(struct _adapter *padapter, void **pphfwfile_hdl,
-		    const u8 **ppmappedfw)
+static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context)
 {
+	struct _adapter *padapter = context;
+
+	complete(&padapter->rtl8712_fw_ready);
+	if (!firmware) {
+		struct usb_device *udev = padapter->dvobjpriv.pusbdev;
+		struct usb_interface *pusb_intf = padapter->pusb_intf;
+		printk(KERN_ERR "r8712u: Firmware request failed\n");
+		padapter->fw_found = false;
+		usb_put_dev(udev);
+		usb_set_intfdata(pusb_intf, NULL);
+		return;
+	}
+	padapter->fw = firmware;
+	padapter->fw_found = true;
+	/* firmware available - start netdev */
+	register_netdev(padapter->pnetdev);
+}
+
+static const char firmware_file[] = "rtlwifi/rtl8712u.bin";
+
+int rtl871x_load_fw(struct _adapter *padapter)
+{
+	struct device *dev = &padapter->dvobjpriv.pusbdev->dev;
 	int rc;
-	const char firmware_file[] = "rtlwifi/rtl8712u.bin";
-	const struct firmware **praw = (const struct firmware **)
-				       (pphfwfile_hdl);
-	struct dvobj_priv *pdvobjpriv = (struct dvobj_priv *)
-					(&padapter->dvobjpriv);
-	struct usb_device *pusbdev = pdvobjpriv->pusbdev;
 
+	init_completion(&padapter->rtl8712_fw_ready);
 	printk(KERN_INFO "r8712u: Loading firmware from \"%s\"\n",
 	       firmware_file);
-	rc = request_firmware(praw, firmware_file, &pusbdev->dev);
-	if (rc < 0) {
-		printk(KERN_ERR "r8712u: Unable to load firmware\n");
-		printk(KERN_ERR "r8712u: Install latest linux-firmware\n");
+	rc = request_firmware_nowait(THIS_MODULE, 1, firmware_file, dev,
+				     GFP_KERNEL, padapter, rtl871x_load_fw_cb);
+	if (rc)
+		printk(KERN_ERR "r8712u: Firmware request error %d\n", rc);
+	return rc;
+}
+MODULE_FIRMWARE("rtlwifi/rtl8712u.bin");
+
+static u32 rtl871x_open_fw(struct _adapter *padapter, const u8 **ppmappedfw)
+{
+	const struct firmware **praw = &padapter->fw;
+
+	if (padapter->fw->size > 200000) {
+		printk(KERN_ERR "r8172u: Badfw->size of %d\n",
+		       (int)padapter->fw->size);
 		return 0;
 	}
 	*ppmappedfw = (u8 *)((*praw)->data);
 	return (*praw)->size;
 }
-MODULE_FIRMWARE("rtlwifi/rtl8712u.bin");
 
 static void fill_fwpriv(struct _adapter *padapter, struct fw_priv *pfwpriv)
 {
@@ -142,18 +169,17 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
 	uint dump_imem_sz, imem_sz, dump_emem_sz, emem_sz; /* max = 49152; */
 	struct fw_hdr fwhdr;
 	u32 ulfilelength;	/* FW file size */
-	void *phfwfile_hdl = NULL;
 	const u8 *pmappedfw = NULL;
 	u8 *ptmpchar = NULL, *ppayload, *ptr;
 	struct tx_desc *ptx_desc;
 	u32 txdscp_sz = sizeof(struct tx_desc);
 	u8 ret = _FAIL;
 
-	ulfilelength = rtl871x_open_fw(padapter, &phfwfile_hdl, &pmappedfw);
+	ulfilelength = rtl871x_open_fw(padapter, &pmappedfw);
 	if (pmappedfw && (ulfilelength > 0)) {
 		update_fwhdr(&fwhdr, pmappedfw);
 		if (chk_fwhdr(&fwhdr, ulfilelength) == _FAIL)
-			goto firmware_rel;
+			return ret;
 		fill_fwpriv(padapter, &fwhdr.fwpriv);
 		/* firmware check ok */
 		maxlen = (fwhdr.img_IMEM_size > fwhdr.img_SRAM_size) ?
@@ -161,7 +187,7 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
 		maxlen += txdscp_sz;
 		ptmpchar = _malloc(maxlen + FWBUFF_ALIGN_SZ);
 		if (ptmpchar == NULL)
-			goto firmware_rel;
+			return ret;
 
 		ptx_desc = (struct tx_desc *)(ptmpchar + FWBUFF_ALIGN_SZ -
 			    ((addr_t)(ptmpchar) & (FWBUFF_ALIGN_SZ - 1)));
@@ -297,8 +323,6 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
 
 exit_fail:
 	kfree(ptmpchar);
-firmware_rel:
-	release_firmware((struct firmware *)phfwfile_hdl);
 	return ret;
 }
 
diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index 9a75c6dbe505..98a3d684f9b2 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -31,6 +31,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kthread.h>
+#include <linux/firmware.h>
 #include "osdep_service.h"
 #include "drv_types.h"
 #include "xmit_osdep.h"
@@ -264,12 +265,12 @@ static void start_drv_timers(struct _adapter *padapter)
 void r8712_stop_drv_timers(struct _adapter *padapter)
 {
 	_cancel_timer_ex(&padapter->mlmepriv.assoc_timer);
-	_cancel_timer_ex(&padapter->mlmepriv.sitesurveyctrl.
-			 sitesurvey_ctrl_timer);
 	_cancel_timer_ex(&padapter->securitypriv.tkip_timer);
 	_cancel_timer_ex(&padapter->mlmepriv.scan_to_timer);
 	_cancel_timer_ex(&padapter->mlmepriv.dhcp_timer);
 	_cancel_timer_ex(&padapter->mlmepriv.wdg_timer);
+	_cancel_timer_ex(&padapter->mlmepriv.sitesurveyctrl.
+			 sitesurvey_ctrl_timer);
 }
 
 static u8 init_default_value(struct _adapter *padapter)
@@ -347,7 +348,8 @@ u8 r8712_free_drv_sw(struct _adapter *padapter)
 	r8712_free_mlme_priv(&padapter->mlmepriv);
 	r8712_free_io_queue(padapter);
 	_free_xmit_priv(&padapter->xmitpriv);
-	_r8712_free_sta_priv(&padapter->stapriv);
+	if (padapter->fw_found)
+		_r8712_free_sta_priv(&padapter->stapriv);
 	_r8712_free_recv_priv(&padapter->recvpriv);
 	mp871xdeinit(padapter);
 	if (pnetdev)
@@ -388,6 +390,7 @@ static int netdev_open(struct net_device *pnetdev)
 {
 	struct _adapter *padapter = (struct _adapter *)netdev_priv(pnetdev);
 
+	mutex_lock(&padapter->mutex_start);
 	if (padapter->bup == false) {
 		padapter->bDriverStopped = false;
 		padapter->bSurpriseRemoved = false;
@@ -435,11 +438,13 @@ static int netdev_open(struct net_device *pnetdev)
 	/* start driver mlme relation timer */
 	start_drv_timers(padapter);
 	padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
+	mutex_unlock(&padapter->mutex_start);
 	return 0;
 netdev_open_error:
 	padapter->bup = false;
 	netif_carrier_off(pnetdev);
 	netif_stop_queue(pnetdev);
+	mutex_unlock(&padapter->mutex_start);
 	return -1;
 }
 
@@ -473,6 +478,9 @@ static int netdev_close(struct net_device *pnetdev)
 	r8712_free_network_queue(padapter);
 	/* The interface is no longer Up: */
 	padapter->bup = false;
+	release_firmware(padapter->fw);
+	/* never exit with a firmware callback pending */
+	wait_for_completion(&padapter->rtl8712_fw_ready);
 	return 0;
 }
 
diff --git a/drivers/staging/rtl8712/rtl8712_hal.h b/drivers/staging/rtl8712/rtl8712_hal.h
index 665e71838172..d19865a5a50c 100644
--- a/drivers/staging/rtl8712/rtl8712_hal.h
+++ b/drivers/staging/rtl8712/rtl8712_hal.h
@@ -145,5 +145,6 @@ struct hal_priv {
 };
 
 uint	 rtl8712_hal_init(struct _adapter *padapter);
+int rtl871x_load_fw(struct _adapter *padapter);
 
 #endif
diff --git a/drivers/staging/rtl8712/rtl871x_sta_mgt.c b/drivers/staging/rtl8712/rtl871x_sta_mgt.c
index 64f569618839..81bde803c59f 100644
--- a/drivers/staging/rtl8712/rtl871x_sta_mgt.c
+++ b/drivers/staging/rtl8712/rtl871x_sta_mgt.c
@@ -43,6 +43,7 @@ static void _init_stainfo(struct sta_info *psta)
 	_r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
 	_r8712_init_sta_recv_priv(&psta->sta_recvpriv);
 #ifdef CONFIG_R8712_AP
+	_init_listhead(&psta->asoc_list);
 	_init_listhead(&psta->auth_list);
 #endif
 }
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index 5385da2e9cdb..9bade184883b 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -89,6 +89,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
 	{USB_DEVICE(0x0DF6, 0x0045)},
 	{USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
 	{USB_DEVICE(0x0DF6, 0x004B)},
+	{USB_DEVICE(0x0DF6, 0x005B)},
 	{USB_DEVICE(0x0DF6, 0x005D)},
 	{USB_DEVICE(0x0DF6, 0x0063)},
 	/* Sweex */
@@ -389,6 +390,7 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf,
 	pdvobjpriv = &padapter->dvobjpriv;
 	pdvobjpriv->padapter = padapter;
 	padapter->dvobjpriv.pusbdev = udev;
+	padapter->pusb_intf = pusb_intf;
 	usb_set_intfdata(pusb_intf, pnetdev);
 	SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
 	/* step 2. */
@@ -595,10 +597,11 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf,
 			       "%pM\n", mac);
 		memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
 	}
-	/* step 6. Tell the network stack we exist */
-	if (register_netdev(pnetdev) != 0)
+	/* step 6. Load the firmware asynchronously */
+	if (rtl871x_load_fw(padapter))
 		goto error;
 	spin_lock_init(&padapter->lockRxFF0Filter);
+	mutex_init(&padapter->mutex_start);
 	return 0;
 error:
 	usb_put_dev(udev);
@@ -629,7 +632,8 @@ static void r871xu_dev_remove(struct usb_interface *pusb_intf)
 		flush_scheduled_work();
 		udelay(1);
 		/*Stop driver mlme relation timer */
-		r8712_stop_drv_timers(padapter);
+		if (padapter->fw_found)
+			r8712_stop_drv_timers(padapter);
 		r871x_dev_unload(padapter);
 		r8712_free_drv_sw(padapter);
 	}
diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c
index e1c4492a7105..dde559d06c43 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430.c
@@ -1046,8 +1046,6 @@ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt)
 
 	/* Free the driver's device context: */
 	kfree(drv_datap->base_img);
-	kfree(drv_datap);
-	dev_set_drvdata(bridge, NULL);
 	kfree((void *)dev_ctxt);
 	return status;
 }
diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c
index 76cfc6edecd9..385740bad0de 100644
--- a/drivers/staging/tidspbridge/rmgr/drv_interface.c
+++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c
@@ -410,6 +410,9 @@ static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev)
 		DBC_ASSERT(ret == true);
 	}
 
+	kfree(drv_datap);
+	dev_set_drvdata(bridge, NULL);
+
 func_cont:
 	mem_ext_phys_pool_release();
 
@@ -500,35 +503,42 @@ static int bridge_open(struct inode *ip, struct file *filp)
 	}
 #endif
 	pr_ctxt = kzalloc(sizeof(struct process_context), GFP_KERNEL);
-	if (pr_ctxt) {
-		pr_ctxt->res_state = PROC_RES_ALLOCATED;
-		spin_lock_init(&pr_ctxt->dmm_map_lock);
-		INIT_LIST_HEAD(&pr_ctxt->dmm_map_list);
-		spin_lock_init(&pr_ctxt->dmm_rsv_lock);
-		INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list);
-
-		pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
-		if (pr_ctxt->node_id) {
-			idr_init(pr_ctxt->node_id);
-		} else {
-			status = -ENOMEM;
-			goto err;
-		}
+	if (!pr_ctxt)
+		return -ENOMEM;
+
+	pr_ctxt->res_state = PROC_RES_ALLOCATED;
+	spin_lock_init(&pr_ctxt->dmm_map_lock);
+	INIT_LIST_HEAD(&pr_ctxt->dmm_map_list);
+	spin_lock_init(&pr_ctxt->dmm_rsv_lock);
+	INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list);
 
-		pr_ctxt->stream_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
-		if (pr_ctxt->stream_id)
-			idr_init(pr_ctxt->stream_id);
-		else
-			status = -ENOMEM;
-	} else {
+	pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
+	if (!pr_ctxt->node_id) {
 		status = -ENOMEM;
+		goto err1;
 	}
-err:
+
+	idr_init(pr_ctxt->node_id);
+
+	pr_ctxt->stream_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
+	if (!pr_ctxt->stream_id) {
+		status = -ENOMEM;
+		goto err2;
+	}
+
+	idr_init(pr_ctxt->stream_id);
+
 	filp->private_data = pr_ctxt;
+
 #ifdef CONFIG_TIDSPBRIDGE_RECOVERY
-	if (!status)
-		atomic_inc(&bridge_cref);
+	atomic_inc(&bridge_cref);
 #endif
+	return 0;
+
+err2:
+	kfree(pr_ctxt->node_id);
+err1:
+	kfree(pr_ctxt);
 	return status;
 }
 
@@ -550,6 +560,8 @@ static int bridge_release(struct inode *ip, struct file *filp)
 	flush_signals(current);
 	drv_remove_all_resources(pr_ctxt);
 	proc_detach(pr_ctxt);
+	kfree(pr_ctxt->node_id);
+	kfree(pr_ctxt->stream_id);
 	kfree(pr_ctxt);
 
 	filp->private_data = NULL;
diff --git a/drivers/staging/usbip/stub_main.c b/drivers/staging/usbip/stub_main.c
index 2d6317850064..705a9e530a19 100644
--- a/drivers/staging/usbip/stub_main.c
+++ b/drivers/staging/usbip/stub_main.c
@@ -246,8 +246,9 @@ static int __init usbip_host_init(void)
 {
 	int ret;
 
-	stub_priv_cache = KMEM_CACHE(stub_priv, SLAB_HWCACHE_ALIGN);
+	init_busid_table();
 
+	stub_priv_cache = KMEM_CACHE(stub_priv, SLAB_HWCACHE_ALIGN);
 	if (!stub_priv_cache) {
 		pr_err("kmem_cache_create failed\n");
 		return -ENOMEM;
@@ -266,7 +267,6 @@ static int __init usbip_host_init(void)
 		goto err_create_file;
 	}
 
-	init_busid_table();
 	pr_info(DRIVER_DESC " v" USBIP_VERSION "\n");
 	return ret;
 
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index 642840c612ac..ef7c52bb1df9 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -358,8 +358,8 @@ static struct zbud_hdr *zbud_create(uint16_t client_id, uint16_t pool_id,
 	if (unlikely(zbpg == NULL))
 		goto out;
 	/* ok, have a page, now compress the data before taking locks */
-	spin_lock(&zbpg->lock);
 	spin_lock(&zbud_budlists_spinlock);
+	spin_lock(&zbpg->lock);
 	list_add_tail(&zbpg->bud_list, &zbud_unbuddied[nchunks].list);
 	zbud_unbuddied[nchunks].count++;
 	zh = &zbpg->buddy[0];
@@ -389,12 +389,11 @@ init_zh:
 	zh->oid = *oid;
 	zh->pool_id = pool_id;
 	zh->client_id = client_id;
-	/* can wait to copy the data until the list locks are dropped */
-	spin_unlock(&zbud_budlists_spinlock);
-
 	to = zbud_data(zh, size);
 	memcpy(to, cdata, size);
 	spin_unlock(&zbpg->lock);
+	spin_unlock(&zbud_budlists_spinlock);
+
 	zbud_cumul_chunk_counts[nchunks]++;
 	atomic_inc(&zcache_zbud_curr_zpages);
 	zcache_zbud_cumul_zpages++;
@@ -655,8 +654,8 @@ static unsigned int zv_max_zsize = (PAGE_SIZE / 8) * 7;
  */
 static unsigned int zv_max_mean_zsize = (PAGE_SIZE / 8) * 5;
 
-static unsigned long zv_curr_dist_counts[NCHUNKS];
-static unsigned long zv_cumul_dist_counts[NCHUNKS];
+static atomic_t zv_curr_dist_counts[NCHUNKS];
+static atomic_t zv_cumul_dist_counts[NCHUNKS];
 
 static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id,
 				struct tmem_oid *oid, uint32_t index,
@@ -675,8 +674,8 @@ static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id,
 			&page, &offset, ZCACHE_GFP_MASK);
 	if (unlikely(ret))
 		goto out;
-	zv_curr_dist_counts[chunks]++;
-	zv_cumul_dist_counts[chunks]++;
+	atomic_inc(&zv_curr_dist_counts[chunks]);
+	atomic_inc(&zv_cumul_dist_counts[chunks]);
 	zv = kmap_atomic(page, KM_USER0) + offset;
 	zv->index = index;
 	zv->oid = *oid;
@@ -698,7 +697,7 @@ static void zv_free(struct xv_pool *xvpool, struct zv_hdr *zv)
 
 	ASSERT_SENTINEL(zv, ZVH);
 	BUG_ON(chunks >= NCHUNKS);
-	zv_curr_dist_counts[chunks]--;
+	atomic_dec(&zv_curr_dist_counts[chunks]);
 	size -= sizeof(*zv);
 	BUG_ON(size == 0);
 	INVERT_SENTINEL(zv, ZVH);
@@ -738,7 +737,7 @@ static int zv_curr_dist_counts_show(char *buf)
 	char *p = buf;
 
 	for (i = 0; i < NCHUNKS; i++) {
-		n = zv_curr_dist_counts[i];
+		n = atomic_read(&zv_curr_dist_counts[i]);
 		p += sprintf(p, "%lu ", n);
 		chunks += n;
 		sum_total_chunks += i * n;
@@ -754,7 +753,7 @@ static int zv_cumul_dist_counts_show(char *buf)
 	char *p = buf;
 
 	for (i = 0; i < NCHUNKS; i++) {
-		n = zv_cumul_dist_counts[i];
+		n = atomic_read(&zv_cumul_dist_counts[i]);
 		p += sprintf(p, "%lu ", n);
 		chunks += n;
 		sum_total_chunks += i * n;
@@ -1782,9 +1781,9 @@ static int zcache_frontswap_poolid = -1;
  * Swizzling increases objects per swaptype, increasing tmem concurrency
  * for heavy swaploads.  Later, larger nr_cpus -> larger SWIZ_BITS
  * Setting SWIZ_BITS to 27 basically reconstructs the swap entry from
- * frontswap_get_page()
+ * frontswap_get_page(), but has side-effects. Hence using 8.
  */
-#define SWIZ_BITS		27
+#define SWIZ_BITS		8
 #define SWIZ_MASK		((1 << SWIZ_BITS) - 1)
 #define _oswiz(_type, _ind)	((_type << SWIZ_BITS) | (_ind & SWIZ_MASK))
 #define iswiz(_ind)		(_ind >> SWIZ_BITS)