[Libva] [PATCH intel-driver] dri: return error for unimplemented subsampling types

[Scott D Phillips]

Previously YUV422 surfaces were allowed to be rendered but got
rendered improperly.

Signed-off-by: Scott D Phillips <scott.d.phillips at intel.com>
---
 src/i965_output_dri.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/i965_output_dri.c b/src/i965_output_dri.c
index d36fec5..f141a67 100644
--- a/src/i965_output_dri.c
+++ b/src/i965_output_dri.c
@@ -26,6 +26,7 @@
 
 #include <va/va_dricommon.h>
 
+#include "i965_defines.h"
 #include "i965_drv_video.h"
 #include "i965_output_dri.h"
 #include "dso_utils.h"
@@ -135,6 +136,9 @@ i965_put_surface_dri(
      */
     obj_surface = SURFACE(surface);
     ASSERT_RET(obj_surface && obj_surface->bo, VA_STATUS_SUCCESS);
+    ASSERT_RET(obj_surface->subsampling == SUBSAMPLE_YUV420 ||
+               obj_surface->subsampling == SUBSAMPLE_RGBX,
+               VA_STATUS_ERROR_UNIMPLEMENTED);
 
     _i965LockMutex(&i965->render_mutex);
 
-- 
2.7.4