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authorShirish S <shirish.s@amd.com>2018-03-07 12:36:11 +0530
committerAlex Deucher <alexander.deucher@amd.com>2018-03-07 16:11:36 -0500
commit65e4b49019029e7effcfc7855af822cd75f28c47 (patch)
treed1983f5303a6b0e5f08d1c28a01d11e0c727e97c /drivers/gpu/drm/amd/display/dc/dce110
parent4062119b9d958df33bcda703dc3ac646908fa861 (diff)
drm/amd/display: validate plane format on primary plane
In dce110, the plane configuration is such that plane 0 or the primary plane should be rendered with only RGB data. This patch adds the validation to ensure that no video data is rendered on plane 0. Signed-off-by: Shirish S <shirish.s@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce110')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
index 830cbbc4adeb..b1f14be20fdf 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
@@ -879,6 +879,13 @@ static bool dce110_validate_surface_sets(
plane->src_rect.height > 1080))
return false;
+ /* we don't have the logic to support underlay
+ * only yet so block the use case where we get
+ * NV12 plane as top layer
+ */
+ if (j == 0)
+ return false;
+
/* irrespective of plane format,
* stream should be RGB encoded
*/