1 files changed, 2 insertions, 0 deletions

diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h
index 321d4ac5c512..fa8b3adf9ffb 100644
--- a/include/uapi/drm/radeon_drm.h
+++ b/include/uapi/drm/radeon_drm.h
@@ -979,6 +979,8 @@ struct drm_radeon_cs {
 #define RADEON_INFO_RING_WORKING        0x15
 /* SI tile mode array */
 #define RADEON_INFO_SI_TILE_MODE_ARRAY  0x16
+/* query if CP DMA is supported on the compute ring */
+#define RADEON_INFO_SI_CP_DMA_COMPUTE   0x17
 
 
 struct drm_radeon_info {