From: Alexander Graf <ag...@csgraf.de>
Now that we have a damage tracking API, let's populate damage done by
UEFI payloads when they BLT data onto the screen.
Signed-off-by: Alexander Graf <ag...@csgraf.de>
Reported-by: Da Xue <da@libre.computer>
Reviewed-by: Heinrich Schuchardt <xypron.g...@gmx.de>
[Alper: Add struct comment for new member]
Signed-off-by: Alper Nebi Yasak <alpernebiya...@gmail.com>
---
Changes in v5:
- Document new vdev field in struct efi_gop_obj comment
Changes in v4:
- Skip damage on EfiBltVideoToBltBuffer
Changes in v3:
- Adapt to always assume DM is used
Changes in v2:
- Remove ifdefs from gop
lib/efi_loader/efi_gop.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c
index 778b693f983a..db6535e080c4 100644
--- a/lib/efi_loader/efi_gop.c
+++ b/lib/efi_loader/efi_gop.c
@@ -24,6 +24,7 @@ static const efi_guid_t efi_gop_guid =
EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
* @ops: graphical output protocol interface
* @info: graphical output mode information
* @mode: graphical output mode
+ * @vdev: backing video device
* @bpix: bits per pixel
* @fb: frame buffer
*/
@@ -32,6 +33,7 @@ struct efi_gop_obj {
struct efi_gop ops;
struct efi_gop_mode_info info;
struct efi_gop_mode mode;
+ struct udevice *vdev;
/* Fields we only have access to during init */
u32 bpix;
void *fb;
@@ -120,6 +122,7 @@ static __always_inline efi_status_t gop_blt_int(struct
efi_gop *this,
u32 *fb32 = gopobj->fb;
u16 *fb16 = gopobj->fb;
struct efi_gop_pixel *buffer = __builtin_assume_aligned(bufferp, 4);
+ bool blt_to_video = (operation != EFI_BLT_VIDEO_TO_BLT_BUFFER);
if (delta) {
/* Check for 4 byte alignment */
@@ -243,6 +246,9 @@ static __always_inline efi_status_t gop_blt_int(struct
efi_gop *this,
dlineoff += dwidth;
}
+ if (blt_to_video)
+ video_damage(gopobj->vdev, dx, dy, width, height);
+
return EFI_SUCCESS;
}
@@ -548,6 +554,7 @@ efi_status_t efi_gop_register(void)
gopobj->info.pixels_per_scanline = col;
gopobj->bpix = bpix;
gopobj->fb = fb;
+ gopobj->vdev = vdev;
return EFI_SUCCESS;
}
--
2.40.1
