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path: root/drivers/video/fbdev
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Diffstat (limited to 'drivers/video/fbdev')
-rw-r--r--drivers/video/fbdev/core/fb_defio.c2
-rw-r--r--drivers/video/fbdev/core/fbmem.c12
-rw-r--r--drivers/video/fbdev/efifb.c31
-rw-r--r--drivers/video/fbdev/omap/lcd_h3.c2
-rw-r--r--drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c2
-rw-r--r--drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c2
-rw-r--r--drivers/video/fbdev/uvesafb.c7
7 files changed, 37 insertions, 21 deletions
diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c
index 37f69c061210..487d5e336e1b 100644
--- a/drivers/video/fbdev/core/fb_defio.c
+++ b/drivers/video/fbdev/core/fb_defio.c
@@ -69,7 +69,7 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy
{
struct fb_info *info = file->private_data;
struct inode *inode = file_inode(file);
- int err = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ int err = file_write_and_wait_range(file, start, end);
if (err)
return err;
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index a35f788b778b..f741ba8df01b 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -33,6 +33,7 @@
#include <linux/efi.h>
#include <linux/fb.h>
#include <linux/fbcon.h>
+#include <linux/mem_encrypt.h>
#include <asm/fb.h>
@@ -1397,6 +1398,12 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
mutex_lock(&info->mm_lock);
if (fb->fb_mmap) {
int res;
+
+ /*
+ * The framebuffer needs to be accessed decrypted, be sure
+ * SME protection is removed ahead of the call
+ */
+ vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
res = fb->fb_mmap(info, vma);
mutex_unlock(&info->mm_lock);
return res;
@@ -1422,6 +1429,11 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
mutex_unlock(&info->mm_lock);
vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
+ /*
+ * The framebuffer needs to be accessed decrypted, be sure
+ * SME protection is removed
+ */
+ vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
fb_pgprotect(file, vma, start);
return vm_iomap_memory(vma, start, len);
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index 1e784adb89b1..3a010641f630 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -149,6 +149,10 @@ ATTRIBUTE_GROUPS(efifb);
static bool pci_dev_disabled; /* FB base matches BAR of a disabled device */
+static struct pci_dev *efifb_pci_dev; /* dev with BAR covering the efifb */
+static struct resource *bar_resource;
+static u64 bar_offset;
+
static int efifb_probe(struct platform_device *dev)
{
struct fb_info *info;
@@ -203,6 +207,13 @@ static int efifb_probe(struct platform_device *dev)
efifb_fix.smem_start |= ext_lfb_base;
}
+ if (bar_resource &&
+ bar_resource->start + bar_offset != efifb_fix.smem_start) {
+ dev_info(&efifb_pci_dev->dev,
+ "BAR has moved, updating efifb address\n");
+ efifb_fix.smem_start = bar_resource->start + bar_offset;
+ }
+
efifb_defined.bits_per_pixel = screen_info.lfb_depth;
efifb_defined.xres = screen_info.lfb_width;
efifb_defined.yres = screen_info.lfb_height;
@@ -370,15 +381,13 @@ static struct platform_driver efifb_driver = {
builtin_platform_driver(efifb_driver);
-#if defined(CONFIG_PCI) && !defined(CONFIG_X86)
-
-static bool pci_bar_found; /* did we find a BAR matching the efifb base? */
+#if defined(CONFIG_PCI)
-static void claim_efifb_bar(struct pci_dev *dev, int idx)
+static void record_efifb_bar_resource(struct pci_dev *dev, int idx, u64 offset)
{
u16 word;
- pci_bar_found = true;
+ efifb_pci_dev = dev;
pci_read_config_word(dev, PCI_COMMAND, &word);
if (!(word & PCI_COMMAND_MEMORY)) {
@@ -389,12 +398,8 @@ static void claim_efifb_bar(struct pci_dev *dev, int idx)
return;
}
- if (pci_claim_resource(dev, idx)) {
- pci_dev_disabled = true;
- dev_err(&dev->dev,
- "BAR %d: failed to claim resource for efifb!\n", idx);
- return;
- }
+ bar_resource = &dev->resource[idx];
+ bar_offset = offset;
dev_info(&dev->dev, "BAR %d: assigned to efifb\n", idx);
}
@@ -405,7 +410,7 @@ static void efifb_fixup_resources(struct pci_dev *dev)
u64 size = screen_info.lfb_size;
int i;
- if (pci_bar_found || screen_info.orig_video_isVGA != VIDEO_TYPE_EFI)
+ if (efifb_pci_dev || screen_info.orig_video_isVGA != VIDEO_TYPE_EFI)
return;
if (screen_info.capabilities & VIDEO_CAPABILITY_64BIT_BASE)
@@ -421,7 +426,7 @@ static void efifb_fixup_resources(struct pci_dev *dev)
continue;
if (res->start <= base && res->end >= base + size - 1) {
- claim_efifb_bar(dev, i);
+ record_efifb_bar_resource(dev, i, base - res->start);
break;
}
}
diff --git a/drivers/video/fbdev/omap/lcd_h3.c b/drivers/video/fbdev/omap/lcd_h3.c
index 9d2da146813e..796f4634c4c6 100644
--- a/drivers/video/fbdev/omap/lcd_h3.c
+++ b/drivers/video/fbdev/omap/lcd_h3.c
@@ -21,7 +21,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/i2c/tps65010.h>
+#include <linux/mfd/tps65010.h>
#include <linux/gpio.h>
#include "omapfb.h"
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
index 156a254705ea..ec78d61bc551 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
@@ -664,7 +664,7 @@ static int hdmi_audio_register(struct device *dev)
{
struct omap_hdmi_audio_pdata pdata = {
.dev = dev,
- .dss_version = omapdss_get_version(),
+ .version = 4,
.audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),
.ops = &hdmi_audio_ops,
};
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
index 4da36bcab977..2e2fcc3d6d4f 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
@@ -695,7 +695,7 @@ static int hdmi_audio_register(struct device *dev)
{
struct omap_hdmi_audio_pdata pdata = {
.dev = dev,
- .dss_version = omapdss_get_version(),
+ .version = 5,
.audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),
.ops = &hdmi_audio_ops,
};
diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index ad05d25fb9fd..73676eb0244a 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -1860,19 +1860,18 @@ static int uvesafb_setup(char *options)
}
#endif /* !MODULE */
-static ssize_t show_v86d(struct device_driver *dev, char *buf)
+static ssize_t v86d_show(struct device_driver *dev, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", v86d_path);
}
-static ssize_t store_v86d(struct device_driver *dev, const char *buf,
+static ssize_t v86d_store(struct device_driver *dev, const char *buf,
size_t count)
{
strncpy(v86d_path, buf, PATH_MAX);
return count;
}
-
-static DRIVER_ATTR(v86d, S_IRUGO | S_IWUSR, show_v86d, store_v86d);
+static DRIVER_ATTR_RW(v86d);
static int uvesafb_init(void)
{
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-25 15:56:36 +0300