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* [PATCH] drm/amd/display: correct check of coverage blend mode
@ 2022-07-12 11:32 Melissa Wen
  2022-07-12 13:56 ` Harry Wentland
  0 siblings, 1 reply; 3+ messages in thread
From: Melissa Wen @ 2022-07-12 11:32 UTC (permalink / raw)
  To: harry.wentland, sunpeng.li, Rodrigo.Siqueira, alexander.deucher,
	christian.koenig, Xinhui.Pan, airlied, daniel
  Cc: Sungjoon.Kim, kernel-dev, Melissa Wen, kernel test robot,
	Dan Carpenter, amd-gfx, dri-devel, linux-kernel

Check the value of per_pixel_alpha to decide whether the Coverage pixel
blend mode is applicable or not.

Fixes: 76818cdd11a2 ("drm/amd/display: add Coverage blend mode for overlay plane")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Melissa Wen <mwen@igalia.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 de1c139ae279..25cb833b267c 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -5486,7 +5486,7 @@ fill_blending_from_plane_state(const struct drm_plane_state *plane_state,
 			}
 		}
 
-		if (per_pixel_alpha && plane_state->pixel_blend_mode == DRM_MODE_BLEND_COVERAGE)
+		if (*per_pixel_alpha && plane_state->pixel_blend_mode == DRM_MODE_BLEND_COVERAGE)
 			*pre_multiplied_alpha = false;
 	}
 
-- 
2.35.1


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-07-12 15:29 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-07-12 11:32 [PATCH] drm/amd/display: correct check of coverage blend mode Melissa Wen
2022-07-12 13:56 ` Harry Wentland
2022-07-12 15:29   ` Alex Deucher

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