_DRM_VBLANK_RELATIVE 480 include/uapi/drm/drm.h _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ _DRM_VBLANK_RELATIVE 480 tools/include/uapi/drm/drm.h _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */