DRM_IOCTL_WAIT_VBLANK  891 include/uapi/drm/drm.h #define DRM_IOCTL_WAIT_VBLANK		DRM_IOWR(0x3a, union drm_wait_vblank)
DRM_IOCTL_WAIT_VBLANK  891 tools/include/uapi/drm/drm.h #define DRM_IOCTL_WAIT_VBLANK		DRM_IOWR(0x3a, union drm_wait_vblank)