diff options
author | Maxime Ripard <maxime@cerno.tech> | 2020-02-17 10:34:34 +0100 |
---|---|---|
committer | Maxime Ripard <maxime@cerno.tech> | 2020-02-17 10:34:34 +0100 |
commit | 28f2aff1caa4997f58ca31179cad1b4a84a62827 (patch) | |
tree | 69fb4b0a752f3660ce022a4313f8c7b276bbcceb /drivers/video/fbdev | |
parent | 3e8a3844fefbaad911c596f02dd48c39188ffa81 (diff) | |
parent | 11a48a5a18c63fd7621bb050228cebf13566e4d8 (diff) | |
download | linux-28f2aff1caa4997f58ca31179cad1b4a84a62827.tar.gz linux-28f2aff1caa4997f58ca31179cad1b4a84a62827.tar.bz2 linux-28f2aff1caa4997f58ca31179cad1b4a84a62827.zip |
Merge v5.6-rc2 into drm-misc-next
Lyude needs some patches in 5.6-rc2 and we didn't bring drm-misc-next
forward yet, so it looks like a good occasion.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/video/fbdev')
31 files changed, 240 insertions, 139 deletions
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index aa9541bf964b..f65991a67af2 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -2215,6 +2215,7 @@ config FB_HYPERV select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT select FB_DEFERRED_IO + select DMA_CMA if HAVE_DMA_CONTIGUOUS && CMA help This framebuffer driver supports Microsoft Hyper-V Synthetic Video. diff --git a/drivers/video/fbdev/carminefb.c b/drivers/video/fbdev/carminefb.c index bf3f2a9598b1..3a1c2e0739a1 100644 --- a/drivers/video/fbdev/carminefb.c +++ b/drivers/video/fbdev/carminefb.c @@ -633,7 +633,7 @@ static int carminefb_probe(struct pci_dev *dev, const struct pci_device_id *ent) ret = -EBUSY; goto err_free_hw; } - hw->v_regs = ioremap_nocache(carminefb_fix.mmio_start, + hw->v_regs = ioremap(carminefb_fix.mmio_start, carminefb_fix.mmio_len); if (!hw->v_regs) { printk(KERN_ERR "carminefb: Can't remap %s register.\n", @@ -664,7 +664,7 @@ static int carminefb_probe(struct pci_dev *dev, const struct pci_device_id *ent) goto err_unmap_vregs; } - hw->screen_mem = ioremap_nocache(carminefb_fix.smem_start, + hw->screen_mem = ioremap(carminefb_fix.smem_start, carminefb_fix.smem_len); if (!hw->screen_mem) { printk(KERN_ERR "carmine: Can't ioremap smem area.\n"); diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c index 3108a42db777..e4c3c8b65da4 100644 --- a/drivers/video/fbdev/hyperv_fb.c +++ b/drivers/video/fbdev/hyperv_fb.c @@ -31,6 +31,16 @@ * "set-vmvideo" command. For example * set-vmvideo -vmname name -horizontalresolution:1920 \ * -verticalresolution:1200 -resolutiontype single + * + * Gen 1 VMs also support direct using VM's physical memory for framebuffer. + * It could improve the efficiency and performance for framebuffer and VM. + * This requires to allocate contiguous physical memory from Linux kernel's + * CMA memory allocator. To enable this, supply a kernel parameter to give + * enough memory space to CMA allocator for framebuffer. For example: + * cma=130m + * This gives 130MB memory to CMA allocator that can be allocated to + * framebuffer. For reference, 8K resolution (7680x4320) takes about + * 127MB memory. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -228,7 +238,6 @@ struct synthvid_msg { } __packed; - /* FB driver definitions and structures */ #define HVFB_WIDTH 1152 /* default screen width */ #define HVFB_HEIGHT 864 /* default screen height */ @@ -258,12 +267,15 @@ struct hvfb_par { /* If true, the VSC notifies the VSP on every framebuffer change */ bool synchronous_fb; + /* If true, need to copy from deferred IO mem to framebuffer mem */ + bool need_docopy; + struct notifier_block hvfb_panic_nb; /* Memory for deferred IO and frame buffer itself */ unsigned char *dio_vp; unsigned char *mmio_vp; - unsigned long mmio_pp; + phys_addr_t mmio_pp; /* Dirty rectangle, protected by delayed_refresh_lock */ int x1, y1, x2, y2; @@ -434,7 +446,7 @@ static void synthvid_deferred_io(struct fb_info *p, maxy = max_t(int, maxy, y2); /* Copy from dio space to mmio address */ - if (par->fb_ready) + if (par->fb_ready && par->need_docopy) hvfb_docopy(par, start, PAGE_SIZE); } @@ -751,12 +763,12 @@ static void hvfb_update_work(struct work_struct *w) return; /* Copy the dirty rectangle to frame buffer memory */ - for (j = y1; j < y2; j++) { - hvfb_docopy(par, - j * info->fix.line_length + - (x1 * screen_depth / 8), - (x2 - x1) * screen_depth / 8); - } + if (par->need_docopy) + for (j = y1; j < y2; j++) + hvfb_docopy(par, + j * info->fix.line_length + + (x1 * screen_depth / 8), + (x2 - x1) * screen_depth / 8); /* Refresh */ if (par->fb_ready && par->update) @@ -801,7 +813,8 @@ static int hvfb_on_panic(struct notifier_block *nb, par = container_of(nb, struct hvfb_par, hvfb_panic_nb); par->synchronous_fb = true; info = par->info; - hvfb_docopy(par, 0, dio_fb_size); + if (par->need_docopy) + hvfb_docopy(par, 0, dio_fb_size); synthvid_update(info, 0, 0, INT_MAX, INT_MAX); return NOTIFY_DONE; @@ -940,6 +953,62 @@ static void hvfb_get_option(struct fb_info *info) return; } +/* + * Allocate enough contiguous physical memory. + * Return physical address if succeeded or -1 if failed. + */ +static phys_addr_t hvfb_get_phymem(struct hv_device *hdev, + unsigned int request_size) +{ + struct page *page = NULL; + dma_addr_t dma_handle; + void *vmem; + phys_addr_t paddr = 0; + unsigned int order = get_order(request_size); + + if (request_size == 0) + return -1; + + if (order < MAX_ORDER) { + /* Call alloc_pages if the size is less than 2^MAX_ORDER */ + page = alloc_pages(GFP_KERNEL | __GFP_ZERO, order); + if (!page) + return -1; + + paddr = (page_to_pfn(page) << PAGE_SHIFT); + } else { + /* Allocate from CMA */ + hdev->device.coherent_dma_mask = DMA_BIT_MASK(64); + + vmem = dma_alloc_coherent(&hdev->device, + round_up(request_size, PAGE_SIZE), + &dma_handle, + GFP_KERNEL | __GFP_NOWARN); + + if (!vmem) + return -1; + + paddr = virt_to_phys(vmem); + } + + return paddr; +} + +/* Release contiguous physical memory */ +static void hvfb_release_phymem(struct hv_device *hdev, + phys_addr_t paddr, unsigned int size) +{ + unsigned int order = get_order(size); + + if (order < MAX_ORDER) + __free_pages(pfn_to_page(paddr >> PAGE_SHIFT), order); + else + dma_free_coherent(&hdev->device, + round_up(size, PAGE_SIZE), + phys_to_virt(paddr), + paddr); +} + /* Get framebuffer memory from Hyper-V video pci space */ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) @@ -949,22 +1018,61 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) void __iomem *fb_virt; int gen2vm = efi_enabled(EFI_BOOT); resource_size_t pot_start, pot_end; + phys_addr_t paddr; int ret; - dio_fb_size = - screen_width * screen_height * screen_depth / 8; + info->apertures = alloc_apertures(1); + if (!info->apertures) + return -ENOMEM; - if (gen2vm) { - pot_start = 0; - pot_end = -1; - } else { + if (!gen2vm) { pdev = pci_get_device(PCI_VENDOR_ID_MICROSOFT, - PCI_DEVICE_ID_HYPERV_VIDEO, NULL); + PCI_DEVICE_ID_HYPERV_VIDEO, NULL); if (!pdev) { pr_err("Unable to find PCI Hyper-V video\n"); + kfree(info->apertures); return -ENODEV; } + info->apertures->ranges[0].base = pci_resource_start(pdev, 0); + info->apertures->ranges[0].size = pci_resource_len(pdev, 0); + + /* + * For Gen 1 VM, we can directly use the contiguous memory + * from VM. If we succeed, deferred IO happens directly + * on this allocated framebuffer memory, avoiding extra + * memory copy. + */ + paddr = hvfb_get_phymem(hdev, screen_fb_size); + if (paddr != (phys_addr_t) -1) { + par->mmio_pp = paddr; + par->mmio_vp = par->dio_vp = __va(paddr); + + info->fix.smem_start = paddr; + info->fix.smem_len = screen_fb_size; + info->screen_base = par->mmio_vp; + info->screen_size = screen_fb_size; + + par->need_docopy = false; + goto getmem_done; + } + pr_info("Unable to allocate enough contiguous physical memory on Gen 1 VM. Using MMIO instead.\n"); + } else { + info->apertures->ranges[0].base = screen_info.lfb_base; + info->apertures->ranges[0].size = screen_info.lfb_size; + } + + /* + * Cannot use the contiguous physical memory. + * Allocate mmio space for framebuffer. + */ + dio_fb_size = + screen_width * screen_height * screen_depth / 8; + + if (gen2vm) { + pot_start = 0; + pot_end = -1; + } else { if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || pci_resource_len(pdev, 0) < screen_fb_size) { pr_err("Resource not available or (0x%lx < 0x%lx)\n", @@ -993,20 +1101,6 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) if (par->dio_vp == NULL) goto err3; - info->apertures = alloc_apertures(1); - if (!info->apertures) - goto err4; - - if (gen2vm) { - info->apertures->ranges[0].base = screen_info.lfb_base; - info->apertures->ranges[0].size = screen_info.lfb_size; - remove_conflicting_framebuffers(info->apertures, - KBUILD_MODNAME, false); - } else { - info->apertures->ranges[0].base = pci_resource_start(pdev, 0); - info->apertures->ranges[0].size = pci_resource_len(pdev, 0); - } - /* Physical address of FB device */ par->mmio_pp = par->mem->start; /* Virtual address of FB device */ @@ -1017,13 +1111,15 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) info->screen_base = par->dio_vp; info->screen_size = dio_fb_size; +getmem_done: + remove_conflicting_framebuffers(info->apertures, + KBUILD_MODNAME, false); if (!gen2vm) pci_dev_put(pdev); + kfree(info->apertures); return 0; -err4: - vfree(par->dio_vp); err3: iounmap(fb_virt); err2: @@ -1032,18 +1128,25 @@ err2: err1: if (!gen2vm) pci_dev_put(pdev); + kfree(info->apertures); return -ENOMEM; } /* Release the framebuffer */ -static void hvfb_putmem(struct fb_info *info) +static void hvfb_putmem(struct hv_device *hdev, struct fb_info *info) { struct hvfb_par *par = info->par; - vfree(par->dio_vp); - iounmap(info->screen_base); - vmbus_free_mmio(par->mem->start, screen_fb_size); + if (par->need_docopy) { + vfree(par->dio_vp); + iounmap(info->screen_base); + vmbus_free_mmio(par->mem->start, screen_fb_size); + } else { + hvfb_release_phymem(hdev, info->fix.smem_start, + screen_fb_size); + } + par->mem = NULL; } @@ -1062,6 +1165,7 @@ static int hvfb_probe(struct hv_device *hdev, par = info->par; par->info = info; par->fb_ready = false; + par->need_docopy = true; init_completion(&par->wait); INIT_DELAYED_WORK(&par->dwork, hvfb_update_work); @@ -1147,7 +1251,7 @@ static int hvfb_probe(struct hv_device *hdev, error: fb_deferred_io_cleanup(info); - hvfb_putmem(info); + hvfb_putmem(hdev, info); error2: vmbus_close(hdev->channel); error1: @@ -1177,7 +1281,7 @@ static int hvfb_remove(struct hv_device *hdev) vmbus_close(hdev->channel); hv_set_drvdata(hdev, NULL); - hvfb_putmem(info); + hvfb_putmem(hdev, info); framebuffer_release(info); return 0; @@ -1194,6 +1298,7 @@ static int hvfb_suspend(struct hv_device *hdev) fb_set_suspend(info, 1); cancel_delayed_work_sync(&par->dwork); + cancel_delayed_work_sync(&info->deferred_work); par->update_saved = par->update; par->update = false; @@ -1227,6 +1332,7 @@ static int hvfb_resume(struct hv_device *hdev) par->fb_ready = true; par->update = par->update_saved; + schedule_delayed_work(&info->deferred_work, info->fbdefio->delay); schedule_delayed_work(&par->dwork, HVFB_UPDATE_DELAY); /* 0 means do resume */ diff --git a/drivers/video/fbdev/i810/i810_main.c b/drivers/video/fbdev/i810/i810_main.c index d18f7b31932c..aa7583d963ac 100644 --- a/drivers/video/fbdev/i810/i810_main.c +++ b/drivers/video/fbdev/i810/i810_main.c @@ -1883,7 +1883,7 @@ static int i810_allocate_pci_resource(struct i810fb_par *par, } par->res_flags |= MMIO_REQ; - par->mmio_start_virtual = ioremap_nocache(par->mmio_start_phys, + par->mmio_start_virtual = ioremap(par->mmio_start_phys, MMIO_SIZE); if (!par->mmio_start_virtual) { printk("i810fb_init: cannot remap mmio region\n"); diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c index 08a17eb2a5c7..370bf2553d43 100644 --- a/drivers/video/fbdev/imxfb.c +++ b/drivers/video/fbdev/imxfb.c @@ -1017,7 +1017,7 @@ static int imxfb_probe(struct platform_device *pdev) } fbi->lcd_pwr = devm_regulator_get(&pdev->dev, "lcd"); - if (IS_ERR(fbi->lcd_pwr) && (PTR_ERR(fbi->lcd_pwr) == -EPROBE_DEFER)) { + if (PTR_ERR(fbi->lcd_pwr) == -EPROBE_DEFER) { ret = -EPROBE_DEFER; goto failed_lcd; } diff --git a/drivers/video/fbdev/intelfb/intelfbdrv.c b/drivers/video/fbdev/intelfb/intelfbdrv.c index c744891781a5..a9579964eaba 100644 --- a/drivers/video/fbdev/intelfb/intelfbdrv.c +++ b/drivers/video/fbdev/intelfb/intelfbdrv.c @@ -654,7 +654,7 @@ static int intelfb_pci_register(struct pci_dev *pdev, } dinfo->mmio_base = - (u8 __iomem *)ioremap_nocache(dinfo->mmio_base_phys, + (u8 __iomem *)ioremap(dinfo->mmio_base_phys, INTEL_REG_SIZE); if (!dinfo->mmio_base) { ERR_MSG("Cannot remap MMIO region.\n"); diff --git a/drivers/video/fbdev/kyro/fbdev.c b/drivers/video/fbdev/kyro/fbdev.c index 72dff2e42e3a..8fbde92ae8b9 100644 --- a/drivers/video/fbdev/kyro/fbdev.c +++ b/drivers/video/fbdev/kyro/fbdev.c @@ -683,7 +683,7 @@ static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) kyro_fix.mmio_len = pci_resource_len(pdev, 1); currentpar->regbase = deviceInfo.pSTGReg = - ioremap_nocache(kyro_fix.mmio_start, kyro_fix.mmio_len); + ioremap(kyro_fix.mmio_start, kyro_fix.mmio_len); if (!currentpar->regbase) goto out_free_fb; diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c index 1a555f70923a..36cc718b96ae 100644 --- a/drivers/video/fbdev/matrox/matroxfb_base.c +++ b/drivers/video/fbdev/matrox/matroxfb_base.c @@ -1710,7 +1710,7 @@ static int initMatrox2(struct matrox_fb_info *minfo, struct board *b) memsize = mem; err = -ENOMEM; - minfo->mmio.vbase.vaddr = ioremap_nocache(ctrlptr_phys, 16384); + minfo->mmio.vbase.vaddr = ioremap(ctrlptr_phys, 16384); if (!minfo->mmio.vbase.vaddr) { printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys); goto failVideoMR; diff --git a/drivers/video/fbdev/mbx/mbxfb.c b/drivers/video/fbdev/mbx/mbxfb.c index 25dad4507d77..6dc287c819cb 100644 --- a/drivers/video/fbdev/mbx/mbxfb.c +++ b/drivers/video/fbdev/mbx/mbxfb.c @@ -938,7 +938,7 @@ static int mbxfb_probe(struct platform_device *dev) } mfbi->reg_phys_addr = mfbi->reg_res->start; - mfbi->reg_virt_addr = devm_ioremap_nocache(&dev->dev, + mfbi->reg_virt_addr = devm_ioremap(&dev->dev, mfbi->reg_phys_addr, res_size(mfbi->reg_req)); if (!mfbi->reg_virt_addr) { @@ -948,7 +948,7 @@ static int mbxfb_probe(struct platform_device *dev) } virt_base_2700 = mfbi->reg_virt_addr; - mfbi->fb_virt_addr = devm_ioremap_nocache(&dev->dev, mfbi->fb_phys_addr, + mfbi->fb_virt_addr = devm_ioremap(&dev->dev, mfbi->fb_phys_addr, res_size(mfbi->fb_req)); if (!mfbi->fb_virt_addr) { dev_err(&dev->dev, "failed to ioremap frame buffer\n"); diff --git a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c index 88c137f5c729..061a105afb86 100644 --- a/drivers/video/fbdev/mmp/hw/mmp_ctrl.c +++ b/drivers/video/fbdev/mmp/hw/mmp_ctrl.c @@ -493,7 +493,7 @@ static int mmphw_probe(struct platform_device *pdev) goto failed; } - ctrl->reg_base = devm_ioremap_nocache(ctrl->dev, + ctrl->reg_base = devm_ioremap(ctrl->dev, res->start, resource_size(res)); if (ctrl->reg_base == NULL) { dev_err(ctrl->dev, "%s: res %pR map failed\n", __func__, res); diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c index 8f933bad461c..fe2cadeb1b66 100644 --- a/drivers/video/fbdev/pm2fb.c +++ b/drivers/video/fbdev/pm2fb.c @@ -1563,7 +1563,7 @@ static int pm2fb_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_exit_neither; } default_par->v_regs = - ioremap_nocache(pm2fb_fix.mmio_start, pm2fb_fix.mmio_len); + ioremap(pm2fb_fix.mmio_start, pm2fb_fix.mmio_len); if (!default_par->v_regs) { printk(KERN_WARNING "pm2fb: Can't remap %s register area.\n", pm2fb_fix.id); diff --git a/drivers/video/fbdev/pm3fb.c b/drivers/video/fbdev/pm3fb.c index 15a2b495235b..2f5e23c8f8ec 100644 --- a/drivers/video/fbdev/pm3fb.c +++ b/drivers/video/fbdev/pm3fb.c @@ -1236,7 +1236,7 @@ static unsigned long pm3fb_size_memory(struct pm3_par *par) return 0; } screen_mem = - ioremap_nocache(pm3fb_fix.smem_start, pm3fb_fix.smem_len); + ioremap(pm3fb_fix.smem_start, pm3fb_fix.smem_len); if (!screen_mem) { printk(KERN_WARNING "pm3fb: Can't ioremap smem area.\n"); release_mem_region(pm3fb_fix.smem_start, pm3fb_fix.smem_len); @@ -1347,7 +1347,7 @@ static int pm3fb_probe(struct pci_dev *dev, const struct pci_device_id *ent) goto err_exit_neither; } par->v_regs = - ioremap_nocache(pm3fb_fix.mmio_start, pm3fb_fix.mmio_len); + ioremap(pm3fb_fix.mmio_start, pm3fb_fix.mmio_len); if (!par->v_regs) { printk(KERN_WARNING "pm3fb: Can't remap %s register area.\n", pm3fb_fix.id); diff --git a/drivers/video/fbdev/pmag-aa-fb.c b/drivers/video/fbdev/pmag-aa-fb.c index 7b33b52b2526..62c8de99af0b 100644 --- a/drivers/video/fbdev/pmag-aa-fb.c +++ b/drivers/video/fbdev/pmag-aa-fb.c @@ -188,7 +188,7 @@ static int pmagaafb_probe(struct device *dev) /* MMIO mapping setup. */ info->fix.mmio_start = start + PMAG_AA_BT455_OFFSET; - par->mmio = ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len); + par->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len); if (!par->mmio) { printk(KERN_ERR "%s: Cannot map MMIO\n", dev_name(dev)); err = -ENOMEM; @@ -199,7 +199,7 @@ static int pmagaafb_probe(struct device *dev) /* Frame buffer mapping setup. */ info->fix.smem_start = start + PMAG_AA_ONBOARD_FBMEM_OFFSET; - info->screen_base = ioremap_nocache(info->fix.smem_start, + info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); if (!info->screen_base) { printk(KERN_ERR "%s: Cannot map FB\n", dev_name(dev)); diff --git a/drivers/video/fbdev/pmag-ba-fb.c b/drivers/video/fbdev/pmag-ba-fb.c index a60e56d8980b..1296f9b370c2 100644 --- a/drivers/video/fbdev/pmag-ba-fb.c +++ b/drivers/video/fbdev/pmag-ba-fb.c @@ -180,7 +180,7 @@ static int pmagbafb_probe(struct device *dev) /* MMIO mapping setup. */ info->fix.mmio_start = start; - par->mmio = ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len); + par->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len); if (!par->mmio) { printk(KERN_ERR "%s: Cannot map MMIO\n", dev_name(dev)); err = -ENOMEM; @@ -190,7 +190,7 @@ static int pmagbafb_probe(struct device *dev) /* Frame buffer mapping setup. */ info->fix.smem_start = start + PMAG_BA_FBMEM; - info->screen_base = ioremap_nocache(info->fix.smem_start, + info->screen_base = ioremap(info->fix.smem_start, info->fix.smem_len); if (!info->screen_base) { printk(KERN_ERR "%s: Cannot map FB\n", dev_name(dev)); diff --git a/drivers/video/fbdev/pmagb-b-fb.c b/drivers/video/fbdev/pmagb-b-fb.c index f02080f21077..9dccd51ee65a 100644 --- a/drivers/video/fbdev/pmagb-b-fb.c +++ b/drivers/video/fbdev/pmagb-b-fb.c @@ -287,7 +287,7 @@ static int pmagbbfb_probe(struct device *dev) /* MMIO mapping setup. */ info->fix.mmio_start = start; - par->mmio = ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len); + par->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len); if (!par->mmio) { printk(KERN_ERR "%s: Cannot map MMIO\n", dev_name(dev)); err = -ENOMEM; @@ -298,7 +298,7 @@ static int pmagbbfb_probe(struct device *dev) /* Frame buffer mapping setup. */ info->fix.smem_start = start + PMAGB_B_FBMEM; - par->smem = ioremap_nocache(info->fix.smem_start, info->fix.smem_len); + par->smem = ioremap(info->fix.smem_start, info->fix.smem_len); if (!par->smem) { printk(KERN_ERR "%s: Cannot map FB\n", dev_name(dev)); err = -ENOMEM; diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c index fcb16eabbb0d..f18d457175d9 100644 --- a/drivers/video/fbdev/pvr2fb.c +++ b/drivers/video/fbdev/pvr2fb.c @@ -770,7 +770,7 @@ static int __maybe_unused pvr2fb_common_init(void) struct pvr2fb_par *par = currentpar; unsigned long modememused, rev; - fb_info->screen_base = ioremap_nocache(pvr2_fix.smem_start, + fb_info->screen_base = ioremap(pvr2_fix.smem_start, pvr2_fix.smem_len); if (!fb_info->screen_base) { @@ -778,7 +778,7 @@ static int __maybe_unused pvr2fb_common_init(void) goto out_err; } - par->mmio_base = ioremap_nocache(pvr2_fix.mmio_start, + par->mmio_base = ioremap(pvr2_fix.mmio_start, pvr2_fix.mmio_len); if (!par->mmio_base) { printk(KERN_ERR "pvr2fb: Failed to remap mmio space\n"); diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c index 3679698fffd1..706c69430818 100644 --- a/drivers/video/fbdev/pxa168fb.c +++ b/drivers/video/fbdev/pxa168fb.c @@ -665,7 +665,7 @@ static int pxa168fb_probe(struct platform_device *pdev) /* * Map LCD controller registers. */ - fbi->reg_base = devm_ioremap_nocache(&pdev->dev, res->start, + fbi->reg_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (fbi->reg_base == NULL) { ret = -ENOMEM; diff --git a/drivers/video/fbdev/s1d13xxxfb.c b/drivers/video/fbdev/s1d13xxxfb.c index c23defa27036..eaea8c373753 100644 --- a/drivers/video/fbdev/s1d13xxxfb.c +++ b/drivers/video/fbdev/s1d13xxxfb.c @@ -809,8 +809,8 @@ static int s1d13xxxfb_probe(struct platform_device *pdev) platform_set_drvdata(pdev, info); default_par = info->par; - default_par->regs = ioremap_nocache(pdev->resource[1].start, - resource_size(&pdev->resource[1])); + default_par->regs = ioremap(pdev->resource[1].start, + resource_size(&pdev->resource[1])); if (!default_par->regs) { printk(KERN_ERR PFX "unable to map registers\n"); ret = -ENOMEM; @@ -818,8 +818,9 @@ static int s1d13xxxfb_probe(struct platform_device *pdev) } info->pseudo_palette = default_par->pseudo_palette; - info->screen_base = ioremap_nocache(pdev->resource[0].start, - resource_size(&pdev->resource[0])); + info->screen_base = ioremap(pdev->resource[0].start, + resource_size(&pdev->resource[0])); + if (!info->screen_base) { printk(KERN_ERR PFX "unable to map framebuffer\n"); ret = -ENOMEM; diff --git a/drivers/video/fbdev/sh7760fb.c b/drivers/video/fbdev/sh7760fb.c index b8ec8d9bb4c8..5978a8921232 100644 --- a/drivers/video/fbdev/sh7760fb.c +++ b/drivers/video/fbdev/sh7760fb.c @@ -463,7 +463,7 @@ static int sh7760fb_probe(struct platform_device *pdev) goto out_fb; } - par->base = ioremap_nocache(res->start, resource_size(res)); + par->base = ioremap(res->start, resource_size(res)); if (!par->base) { dev_err(&pdev->dev, "cannot remap\n"); ret = -ENODEV; diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c index 25f119efebc0..4ea6f932b334 100644 --- a/drivers/video/fbdev/sh_mobile_lcdcfb.c +++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c @@ -2588,7 +2588,7 @@ static int sh_mobile_lcdc_probe(struct platform_device *pdev) if (num_channels == 2) priv->forced_fourcc = pdata->ch[0].fourcc; - priv->base = ioremap_nocache(res->start, resource_size(res)); + priv->base = ioremap(res->start, resource_size(res)); if (!priv->base) { error = -ENOMEM; goto err1; diff --git a/drivers/video/fbdev/sstfb.c b/drivers/video/fbdev/sstfb.c index 82e707a48e4e..afe6d1b7c3a0 100644 --- a/drivers/video/fbdev/sstfb.c +++ b/drivers/video/fbdev/sstfb.c @@ -1363,14 +1363,14 @@ static int sstfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto fail_fb_mem; } - par->mmio_vbase = ioremap_nocache(fix->mmio_start, + par->mmio_vbase = ioremap(fix->mmio_start, fix->mmio_len); if (!par->mmio_vbase) { printk(KERN_ERR "sstfb: cannot remap register area %#lx\n", fix->mmio_start); goto fail_mmio_remap; } - info->screen_base = ioremap_nocache(fix->smem_start, 0x400000); + info->screen_base = ioremap(fix->smem_start, 0x400000); if (!info->screen_base) { printk(KERN_ERR "sstfb: cannot remap framebuffer %#lx\n", fix->smem_start); diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c index 5400ab79fbbd..de953ddb6312 100644 --- a/drivers/video/fbdev/stifb.c +++ b/drivers/video/fbdev/stifb.c @@ -1198,7 +1198,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) case S9000_ID_TOMCAT: /* Dual CRX, behaves else like a CRX */ /* FIXME: TomCat supports two heads: * fb.iobase = REGION_BASE(fb_info,3); - * fb.screen_base = ioremap_nocache(REGION_BASE(fb_info,2),xxx); + * fb.screen_base = ioremap(REGION_BASE(fb_info,2),xxx); * for now we only support the left one ! */ xres = fb->ngle_rom.x_size_visible; yres = fb->ngle_rom.y_size_visible; @@ -1291,7 +1291,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref) strcpy(fix->id, "stifb"); info->fbops = &stifb_ops; - info->screen_base = ioremap_nocache(REGION_BASE(fb,1), fix->smem_len); + info->screen_base = ioremap(REGION_BASE(fb,1), fix->smem_len); if (!info->screen_base) { printk(KERN_ERR "stifb: failed to map memory\n"); goto out_err0; diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index 0349cf69652f..f73e26c18c09 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -1417,7 +1417,7 @@ static int tdfxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) } default_par->regbase_virt = - ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len); + ioremap(info->fix.mmio_start, info->fix.mmio_len); if (!default_par->regbase_virt) { printk(KERN_ERR "fb: Can't remap %s register area.\n", info->fix.id); diff --git a/drivers/video/fbdev/tgafb.c b/drivers/video/fbdev/tgafb.c index 7cd262858241..e9869135d833 100644 --- a/drivers/video/fbdev/tgafb.c +++ b/drivers/video/fbdev/tgafb.c @@ -1438,7 +1438,7 @@ static int tgafb_register(struct device *dev) } /* Map the framebuffer. */ - mem_base = ioremap_nocache(bar0_start, bar0_len); + mem_base = ioremap(bar0_start, bar0_len); if (!mem_base) { printk(KERN_ERR "tgafb: Cannot map MMIO\n"); goto err1; diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c index 715509917eaa..4d20cb557ff0 100644 --- a/drivers/video/fbdev/tridentfb.c +++ b/drivers/video/fbdev/tridentfb.c @@ -1556,7 +1556,7 @@ static int trident_pci_probe(struct pci_dev *dev, return -1; } - default_par->io_virt = ioremap_nocache(tridentfb_fix.mmio_start, + default_par->io_virt = ioremap(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); if (!default_par->io_virt) { @@ -1579,7 +1579,7 @@ static int trident_pci_probe(struct pci_dev *dev, goto out_unmap1; } - info->screen_base = ioremap_nocache(tridentfb_fix.smem_start, + info->screen_base = ioremap(tridentfb_fix.smem_start, tridentfb_fix.smem_len); if (!info->screen_base) { diff --git a/drivers/video/fbdev/valkyriefb.c b/drivers/video/fbdev/valkyriefb.c index ca8d7343aaa1..4d20c4603e5a 100644 --- a/drivers/video/fbdev/valkyriefb.c +++ b/drivers/video/fbdev/valkyriefb.c @@ -356,7 +356,7 @@ int __init valkyriefb_init(void) p->total_vram = 0x100000; p->frame_buffer_phys = frame_buffer_phys; #ifdef CONFIG_MAC - p->frame_buffer = ioremap_nocache(frame_buffer_phys, p->total_vram); + p->frame_buffer = ioremap(frame_buffer_phys, p->total_vram); #else p->frame_buffer = ioremap_wt(frame_buffer_phys, p->total_vram); #endif diff --git a/drivers/video/fbdev/vermilion/cr_pll.c b/drivers/video/fbdev/vermilion/cr_pll.c index c1e3738e6789..79d42b23d850 100644 --- a/drivers/video/fbdev/vermilion/cr_pll.c +++ b/drivers/video/fbdev/vermilion/cr_pll.c @@ -159,7 +159,7 @@ static int __init cr_pll_init(void) pci_read_config_dword(mch_dev, CRVML_REG_MCHBAR, &mch_bar); mch_regs_base = - ioremap_nocache(mch_bar, CRVML_MCHMAP_SIZE); + ioremap(mch_bar, CRVML_MCHMAP_SIZE); if (!mch_regs_base) { printk(KERN_ERR "Carillo Ranch MCH device was not enabled.\n"); diff --git a/drivers/video/fbdev/vermilion/vermilion.c b/drivers/video/fbdev/vermilion/vermilion.c index 498038a964ee..ff61605b8764 100644 --- a/drivers/video/fbdev/vermilion/vermilion.c +++ b/drivers/video/fbdev/vermilion/vermilion.c @@ -317,7 +317,7 @@ static int vmlfb_enable_mmio(struct vml_par *par) ": Could not claim display controller MMIO.\n"); return -EBUSY; } - par->vdc_mem = ioremap_nocache(par->vdc_mem_base, par->vdc_mem_size); + par->vdc_mem = ioremap(par->vdc_mem_base, par->vdc_mem_size); if (par->vdc_mem == NULL) { printk(KERN_ERR MODULE_NAME ": Could not map display controller MMIO.\n"); @@ -332,7 +332,7 @@ static int vmlfb_enable_mmio(struct vml_par *par) err = -EBUSY; goto out_err_1; } - par->gpu_mem = ioremap_nocache(par->gpu_mem_base, par->gpu_mem_size); + par->gpu_mem = ioremap(par->gpu_mem_base, par->gpu_mem_size); if (par->gpu_mem == NULL) { printk(KERN_ERR MODULE_NAME ": Could not map GPU MMIO.\n"); err = -ENOMEM; diff --git a/drivers/video/fbdev/via/via-core.c b/drivers/video/fbdev/via/via-core.c index ffa2ca2d3f5e..703ddee9a244 100644 --- a/drivers/video/fbdev/via/via-core.c +++ b/drivers/video/fbdev/via/via-core.c @@ -442,7 +442,7 @@ static int via_pci_setup_mmio(struct viafb_dev *vdev) */ vdev->engine_start = pci_resource_start(vdev->pdev, 1); vdev->engine_len = pci_resource_len(vdev->pdev, 1); - vdev->engine_mmio = ioremap_nocache(vdev->engine_start, + vdev->engine_mmio = ioremap(vdev->engine_start, vdev->engine_len); if (vdev->engine_mmio == NULL) dev_err(&vdev->pdev->dev, diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c index f815f98190bc..852673c40a2f 100644 --- a/drivers/video/fbdev/via/viafbdev.c +++ b/drivers/video/fbdev/via/viafbdev.c @@ -1173,13 +1173,12 @@ static ssize_t viafb_dvp0_proc_write(struct file *file, return count; } -static const struct file_operations viafb_dvp0_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_dvp0_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_dvp0_proc_write, +static const struct proc_ops viafb_dvp0_proc_ops = { + .proc_open = viafb_dvp0_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_dvp0_proc_write, }; static int viafb_dvp1_proc_show(struct seq_file *m, void *v) @@ -1238,13 +1237,12 @@ static ssize_t viafb_dvp1_proc_write(struct file *file, return count; } -static const struct file_operations viafb_dvp1_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_dvp1_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_dvp1_proc_write, +static const struct proc_ops viafb_dvp1_proc_ops = { + .proc_open = viafb_dvp1_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_dvp1_proc_write, }; static int viafb_dfph_proc_show(struct seq_file *m, void *v) @@ -1273,13 +1271,12 @@ static ssize_t viafb_dfph_proc_write(struct file *file, return count; } -static const struct file_operations viafb_dfph_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_dfph_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_dfph_proc_write, +static const struct proc_ops viafb_dfph_proc_ops = { + .proc_open = viafb_dfph_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_dfph_proc_write, }; static int viafb_dfpl_proc_show(struct seq_file *m, void *v) @@ -1308,13 +1305,12 @@ static ssize_t viafb_dfpl_proc_write(struct file *file, return count; } -static const struct file_operations viafb_dfpl_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_dfpl_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_dfpl_proc_write, +static const struct proc_ops viafb_dfpl_proc_ops = { + .proc_open = viafb_dfpl_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_dfpl_proc_write, }; static int viafb_vt1636_proc_show(struct seq_file *m, void *v) @@ -1444,13 +1440,12 @@ static ssize_t viafb_vt1636_proc_write(struct file *file, return count; } -static const struct file_operations viafb_vt1636_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_vt1636_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_vt1636_proc_write, +static const struct proc_ops viafb_vt1636_proc_ops = { + .proc_open = viafb_vt1636_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_vt1636_proc_write, }; #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ @@ -1522,13 +1517,12 @@ static ssize_t viafb_iga1_odev_proc_write(struct file *file, return res; } -static const struct file_operations viafb_iga1_odev_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_iga1_odev_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_iga1_odev_proc_write, +static const struct proc_ops viafb_iga1_odev_proc_ops = { + .proc_open = viafb_iga1_odev_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_iga1_odev_proc_write, }; static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v) @@ -1562,13 +1556,12 @@ static ssize_t viafb_iga2_odev_proc_write(struct file *file, return res; } -static const struct file_operations viafb_iga2_odev_proc_fops = { - .owner = THIS_MODULE, - .open = viafb_iga2_odev_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = viafb_iga2_odev_proc_write, +static const struct proc_ops viafb_iga2_odev_proc_ops = { + .proc_open = viafb_iga2_odev_proc_open, + .proc_read = seq_read, + .proc_lseek = seq_lseek, + .proc_release = single_release, + .proc_write = viafb_iga2_odev_proc_write, }; #define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS) @@ -1580,14 +1573,14 @@ static void viafb_init_proc(struct viafb_shared *shared) shared->proc_entry = viafb_entry; if (viafb_entry) { #ifdef CONFIG_FB_VIA_DIRECT_PROCFS - proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops); - proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops); - proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops); - proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops); + proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_ops); + proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_ops); + proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_ops); + proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_ops); if (IS_VT1636(shared->chip_info.lvds_chip_info) || IS_VT1636(shared->chip_info.lvds_chip_info2)) proc_create("vt1636", 0, viafb_entry, - &viafb_vt1636_proc_fops); + &viafb_vt1636_proc_ops); #endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ proc_create_single("supported_output_devices", 0, viafb_entry, @@ -1595,11 +1588,11 @@ static void viafb_init_proc(struct viafb_shared *shared) iga1_entry = proc_mkdir("iga1", viafb_entry); shared->iga1_proc_entry = iga1_entry; proc_create("output_devices", 0, iga1_entry, - &viafb_iga1_odev_proc_fops); + &viafb_iga1_odev_proc_ops); iga2_entry = proc_mkdir("iga2", viafb_entry); shared->iga2_proc_entry = iga2_entry; proc_create("output_devices", 0, iga2_entry, - &viafb_iga2_odev_proc_fops); + &viafb_iga2_odev_proc_ops); } } static void viafb_remove_proc(struct viafb_shared *shared) diff --git a/drivers/video/fbdev/w100fb.c b/drivers/video/fbdev/w100fb.c index fe628ec20149..ad26cbffbc6f 100644 --- a/drivers/video/fbdev/w100fb.c +++ b/drivers/video/fbdev/w100fb.c @@ -648,12 +648,12 @@ int w100fb_probe(struct platform_device *pdev) return -EINVAL; /* Remap the chip base address */ - remapped_base = ioremap_nocache(mem->start+W100_CFG_BASE, W100_CFG_LEN); + remapped_base = ioremap(mem->start+W100_CFG_BASE, W100_CFG_LEN); if (remapped_base == NULL) goto out; /* Map the register space */ - remapped_regs = ioremap_nocache(mem->start+W100_REG_BASE, W100_REG_LEN); + remapped_regs = ioremap(mem->start+W100_REG_BASE, W100_REG_LEN); if (remapped_regs == NULL) goto out; @@ -672,7 +672,7 @@ int w100fb_probe(struct platform_device *pdev) printk(" at 0x%08lx.\n", (unsigned long) mem->start+W100_CFG_BASE); /* Remap the framebuffer */ - remapped_fbuf = ioremap_nocache(mem->start+MEM_WINDOW_BASE, MEM_WINDOW_SIZE); + remapped_fbuf = ioremap(mem->start+MEM_WINDOW_BASE, MEM_WINDOW_SIZE); if (remapped_fbuf == NULL) goto out; |