_DRM_VBLANK_EVENT  483 include/uapi/drm/drm.h 	_DRM_VBLANK_EVENT = 0x4000000,   /**< Send event instead of blocking */
_DRM_VBLANK_EVENT  483 tools/include/uapi/drm/drm.h 	_DRM_VBLANK_EVENT = 0x4000000,   /**< Send event instead of blocking */