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-rw-r--r--drivers/video/fbdev/core/fb_defio.c10
-rw-r--r--drivers/video/fbdev/core/fbmem.c4
-rw-r--r--drivers/video/fbdev/nvidia/nvidia.c81
3 files changed, 55 insertions, 40 deletions
diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c
index c730253ab85c..583cbcf09446 100644
--- a/drivers/video/fbdev/core/fb_defio.c
+++ b/drivers/video/fbdev/core/fb_defio.c
@@ -313,7 +313,7 @@ void fb_deferred_io_open(struct fb_info *info,
}
EXPORT_SYMBOL_GPL(fb_deferred_io_open);
-void fb_deferred_io_cleanup(struct fb_info *info)
+void fb_deferred_io_release(struct fb_info *info)
{
struct fb_deferred_io *fbdefio = info->fbdefio;
struct page *page;
@@ -327,6 +327,14 @@ void fb_deferred_io_cleanup(struct fb_info *info)
page = fb_deferred_io_page(info, i);
page->mapping = NULL;
}
+}
+EXPORT_SYMBOL_GPL(fb_deferred_io_release);
+
+void fb_deferred_io_cleanup(struct fb_info *info)
+{
+ struct fb_deferred_io *fbdefio = info->fbdefio;
+
+ fb_deferred_io_release(info);
kvfree(info->pagerefs);
mutex_destroy(&fbdefio->lock);
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 3a6c8458eb8d..ab3545a00abc 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1454,6 +1454,10 @@ __releases(&info->lock)
struct fb_info * const info = file->private_data;
lock_fb_info(info);
+#if IS_ENABLED(CONFIG_FB_DEFERRED_IO)
+ if (info->fbdefio)
+ fb_deferred_io_release(info);
+#endif
if (info->fbops->fb_release)
info->fbops->fb_release(info,1);
module_put(info->fbops->owner);
diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c
index 1960916098d4..e60a276b4855 100644
--- a/drivers/video/fbdev/nvidia/nvidia.c
+++ b/drivers/video/fbdev/nvidia/nvidia.c
@@ -1197,17 +1197,17 @@ static int nvidia_set_fbinfo(struct fb_info *info)
return nvidiafb_check_var(&info->var, info);
}
-static u32 nvidia_get_chipset(struct fb_info *info)
+static u32 nvidia_get_chipset(struct pci_dev *pci_dev,
+ volatile u32 __iomem *REGS)
{
- struct nvidia_par *par = info->par;
- u32 id = (par->pci_dev->vendor << 16) | par->pci_dev->device;
+ u32 id = (pci_dev->vendor << 16) | pci_dev->device;
printk(KERN_INFO PFX "Device ID: %x \n", id);
if ((id & 0xfff0) == 0x00f0 ||
(id & 0xfff0) == 0x02e0) {
/* pci-e */
- id = NV_RD32(par->REGS, 0x1800);
+ id = NV_RD32(REGS, 0x1800);
if ((id & 0x0000ffff) == 0x000010DE)
id = 0x10DE0000 | (id >> 16);
@@ -1220,12 +1220,11 @@ static u32 nvidia_get_chipset(struct fb_info *info)
return id;
}
-static u32 nvidia_get_arch(struct fb_info *info)
+static u32 nvidia_get_arch(u32 Chipset)
{
- struct nvidia_par *par = info->par;
u32 arch = 0;
- switch (par->Chipset & 0x0ff0) {
+ switch (Chipset & 0x0ff0) {
case 0x0100: /* GeForce 256 */
case 0x0110: /* GeForce2 MX */
case 0x0150: /* GeForce2 */
@@ -1278,16 +1277,44 @@ static int nvidiafb_probe(struct pci_dev *pd, const struct pci_device_id *ent)
struct fb_info *info;
unsigned short cmd;
int ret;
+ volatile u32 __iomem *REGS;
+ int Chipset;
+ u32 Architecture;
NVTRACE_ENTER();
assert(pd != NULL);
+ if (pci_enable_device(pd)) {
+ printk(KERN_ERR PFX "cannot enable PCI device\n");
+ return -ENODEV;
+ }
+
+ /* enable IO and mem if not already done */
+ pci_read_config_word(pd, PCI_COMMAND, &cmd);
+ cmd |= (PCI_COMMAND_IO | PCI_COMMAND_MEMORY);
+ pci_write_config_word(pd, PCI_COMMAND, cmd);
+
+ nvidiafb_fix.mmio_start = pci_resource_start(pd, 0);
+ nvidiafb_fix.mmio_len = pci_resource_len(pd, 0);
+
+ REGS = ioremap(nvidiafb_fix.mmio_start, nvidiafb_fix.mmio_len);
+ if (!REGS) {
+ printk(KERN_ERR PFX "cannot ioremap MMIO base\n");
+ return -ENODEV;
+ }
+
+ Chipset = nvidia_get_chipset(pd, REGS);
+ Architecture = nvidia_get_arch(Chipset);
+ if (Architecture == 0) {
+ printk(KERN_ERR PFX "unknown NV_ARCH\n");
+ goto err_out;
+ }
+
ret = aperture_remove_conflicting_pci_devices(pd, "nvidiafb");
if (ret)
- return ret;
+ goto err_out;
info = framebuffer_alloc(sizeof(struct nvidia_par), &pd->dev);
-
if (!info)
goto err_out;
@@ -1298,11 +1325,6 @@ static int nvidiafb_probe(struct pci_dev *pd, const struct pci_device_id *ent)
if (info->pixmap.addr == NULL)
goto err_out_kfree;
- if (pci_enable_device(pd)) {
- printk(KERN_ERR PFX "cannot enable PCI device\n");
- goto err_out_enable;
- }
-
if (pci_request_regions(pd, "nvidiafb")) {
printk(KERN_ERR PFX "cannot request PCI regions\n");
goto err_out_enable;
@@ -1318,34 +1340,17 @@ static int nvidiafb_probe(struct pci_dev *pd, const struct pci_device_id *ent)
par->paneltweak = paneltweak;
par->reverse_i2c = reverse_i2c;
- /* enable IO and mem if not already done */
- pci_read_config_word(pd, PCI_COMMAND, &cmd);
- cmd |= (PCI_COMMAND_IO | PCI_COMMAND_MEMORY);
- pci_write_config_word(pd, PCI_COMMAND, cmd);
-
- nvidiafb_fix.mmio_start = pci_resource_start(pd, 0);
nvidiafb_fix.smem_start = pci_resource_start(pd, 1);
- nvidiafb_fix.mmio_len = pci_resource_len(pd, 0);
-
- par->REGS = ioremap(nvidiafb_fix.mmio_start, nvidiafb_fix.mmio_len);
- if (!par->REGS) {
- printk(KERN_ERR PFX "cannot ioremap MMIO base\n");
- goto err_out_free_base0;
- }
+ par->REGS = REGS;
- par->Chipset = nvidia_get_chipset(info);
- par->Architecture = nvidia_get_arch(info);
-
- if (par->Architecture == 0) {
- printk(KERN_ERR PFX "unknown NV_ARCH\n");
- goto err_out_arch;
- }
+ par->Chipset = Chipset;
+ par->Architecture = Architecture;
sprintf(nvidiafb_fix.id, "NV%x", (pd->device & 0x0ff0) >> 4);
if (NVCommonSetup(info))
- goto err_out_arch;
+ goto err_out_free_base0;
par->FbAddress = nvidiafb_fix.smem_start;
par->FbMapSize = par->RamAmountKBytes * 1024;
@@ -1401,7 +1406,6 @@ static int nvidiafb_probe(struct pci_dev *pd, const struct pci_device_id *ent)
goto err_out_iounmap_fb;
}
-
printk(KERN_INFO PFX
"PCI nVidia %s framebuffer (%dMB @ 0x%lX)\n",
info->fix.id,
@@ -1415,15 +1419,14 @@ err_out_iounmap_fb:
err_out_free_base1:
fb_destroy_modedb(info->monspecs.modedb);
nvidia_delete_i2c_busses(par);
-err_out_arch:
- iounmap(par->REGS);
- err_out_free_base0:
+err_out_free_base0:
pci_release_regions(pd);
err_out_enable:
kfree(info->pixmap.addr);
err_out_kfree:
framebuffer_release(info);
err_out:
+ iounmap(REGS);
return -ENODEV;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 04:10:38 +0000