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-rw-r--r--libdrm/xf86drm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libdrm/xf86drm.h b/libdrm/xf86drm.h
index d39974de..07178ec3 100644
--- a/libdrm/xf86drm.h
+++ b/libdrm/xf86drm.h
@@ -252,6 +252,7 @@ typedef struct _drmTextureRegion {
typedef enum {
DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
+ DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */
DRM_VBLANK_SIGNAL = 0x40000000 /* Send signal instead of blocking */
} drmVBlankSeqType;