drm/amd/display: correct check of coverage blend mode
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> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Melissa Wen <mwen@igalia.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -5446,7 +5446,7 @@ fill_blending_from_plane_state(const struct drm_plane_state *plane_state,
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}
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}
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if (per_pixel_alpha && plane_state->pixel_blend_mode == DRM_MODE_BLEND_COVERAGE)
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if (*per_pixel_alpha && plane_state->pixel_blend_mode == DRM_MODE_BLEND_COVERAGE)
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*pre_multiplied_alpha = false;
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}
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