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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 16:31:19 -0500
commit4a53d9045ec31f3f97719c2e41cc8b2e7151a1fe (patch)
tree6b175a487a892e19687d6bc564a724b69d72b418 /drivers/gpu
parentf8bee6135e167f5b35b7789c74c2956dad14d0d5 (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')
-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 d5f851d74f5a..00f18c485e1e 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
*/