1 files changed, 4 insertions, 0 deletions

diff --git a/include/drm/drm.h b/include/drm/drm.h
index 9ac431396176..4be33b4ca2f8 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -463,12 +463,15 @@ struct drm_irq_busid {
 enum drm_vblank_seq_type {
         _DRM_VBLANK_ABSOLUTE = 0x0,     /**< Wait for specific vblank sequence number */
         _DRM_VBLANK_RELATIVE = 0x1,     /**< Wait for given number of vblanks */
+        /* bits 1-6 are reserved for high crtcs */
+        _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e,
         _DRM_VBLANK_EVENT = 0x4000000,   /**< Send event instead of blocking */
         _DRM_VBLANK_FLIP = 0x8000000,   /**< Scheduled buffer swap should flip */
         _DRM_VBLANK_NEXTONMISS = 0x10000000,    /**< If missed, wait for next vblank */
         _DRM_VBLANK_SECONDARY = 0x20000000,     /**< Secondary display controller */
         _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */
 };
+#define _DRM_VBLANK_HIGH_CRTC_SHIFT 1
 
 #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
 #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
@@ -753,6 +756,7 @@ struct drm_event_vblank {
 };
 
 #define DRM_CAP_DUMB_BUFFER 0x1
+#define DRM_CAP_VBLANK_HIGH_CRTC 0x2
 
 /* typedef area */
 #ifndef __KERNEL__