diff options
Diffstat (limited to '0005-bootsplash.patch')
-rw-r--r-- | 0005-bootsplash.patch | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/0005-bootsplash.patch b/0005-bootsplash.patch deleted file mode 100644 index 216953762e2e..000000000000 --- a/0005-bootsplash.patch +++ /dev/null @@ -1,66 +0,0 @@ -diff --git a/drivers/video/fbdev/core/bootsplash.c b/drivers/video/fbdev/core/bootsplash.c -index 843c5400fefc..815b007f81ca 100644 ---- a/drivers/video/fbdev/core/bootsplash.c -+++ b/drivers/video/fbdev/core/bootsplash.c -@@ -112,6 +112,8 @@ void bootsplash_render_full(struct fb_info *info) - - bootsplash_do_render_pictures(info, splash_state.file); - -+ bootsplash_do_render_flush(info); -+ - out: - mutex_unlock(&splash_state.data_lock); - } -diff --git a/drivers/video/fbdev/core/bootsplash_internal.h b/drivers/video/fbdev/core/bootsplash_internal.h -index 71e2a27ac0b8..0acb383aa4e3 100644 ---- a/drivers/video/fbdev/core/bootsplash_internal.h -+++ b/drivers/video/fbdev/core/bootsplash_internal.h -@@ -89,6 +89,7 @@ void bootsplash_do_render_background(struct fb_info *info, - const struct splash_file_priv *fp); - void bootsplash_do_render_pictures(struct fb_info *info, - const struct splash_file_priv *fp); -+void bootsplash_do_render_flush(struct fb_info *info); - - - void bootsplash_free_file(struct splash_file_priv *fp); -diff --git a/drivers/video/fbdev/core/bootsplash_render.c b/drivers/video/fbdev/core/bootsplash_render.c -index 2ae36949d0e3..8c09c306ff67 100644 ---- a/drivers/video/fbdev/core/bootsplash_render.c -+++ b/drivers/video/fbdev/core/bootsplash_render.c -@@ -186,3 +186,36 @@ void bootsplash_do_render_pictures(struct fb_info *info, - pp->pic_header->width, pp->pic_header->height); - } - } -+ -+ -+void bootsplash_do_render_flush(struct fb_info *info) -+{ -+ /* -+ * FB drivers using deferred_io (such as Xen) need to sync the -+ * screen after modifying its contents. When the FB is mmap()ed -+ * from userspace, this happens via a dirty pages callback, but -+ * when modifying the FB from the kernel, there is no such thing. -+ * -+ * So let's issue a fake fb_copyarea (copying the FB onto itself) -+ * to trick the FB driver into syncing the screen. -+ * -+ * A few DRM drivers' FB implementations are broken by not using -+ * deferred_io when they really should - we match on the known -+ * bad ones manually for now. -+ */ -+ if (info->fbdefio -+ || !strcmp(info->fix.id, "astdrmfb") -+ || !strcmp(info->fix.id, "cirrusdrmfb") -+ || !strcmp(info->fix.id, "mgadrmfb")) { -+ struct fb_copyarea area; -+ -+ area.dx = 0; -+ area.dy = 0; -+ area.width = info->var.xres; -+ area.height = info->var.yres; -+ area.sx = 0; -+ area.sy = 0; -+ -+ info->fbops->fb_copyarea(info, &area); -+ } -+} |