Looking at handle_cursor_update, it doesn't seem like src_{x,y,w,h}
are picked up by DC. I also tried to change these parameters via a
test KMS client, and amdgpu ignored them. Instead of displaying the
wrong result, reject the atomic commit.
Signed-off-by: Simon Ser <contact@xxxxxxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Harry Wentland <hwentlan@xxxxxxx>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index bd63f1c4ae79..a7e1af7081cb 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -8902,6 +8902,11 @@ static int dm_update_plane_state(struct dc *dc,
return -EINVAL;
}
+ if (new_plane_state->src_x != 0 || new_plane_state->src_y != 0) {
+ DRM_DEBUG_ATOMIC("Cropping not supported for cursor plane\n");
+ return -EINVAL;
+ }
+
if (new_plane_state->fb) {
if (new_plane_state->fb->width > new_acrtc->max_cursor_width ||
new_plane_state->fb->height > new_acrtc->max_cursor_height) {
@@ -8910,6 +8915,11 @@ static int dm_update_plane_state(struct dc *dc,
new_plane_state->fb->height);
return -EINVAL;
}
+ if (new_plane_state->src_w != new_plane_state->fb->width << 16 ||
+ new_plane_state->src_h != new_plane_state->fb->height << 16) {
+ DRM_DEBUG_ATOMIC("Cropping not supported for cursor plane\n");
+ return -EINVAL;
+ }
switch (new_plane_state->fb->width) {
case 64:
--
2.29.2
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