DRM_CAP_CRTC_IN_VBLANK_EVENT  651 include/uapi/drm/drm.h #define DRM_CAP_CRTC_IN_VBLANK_EVENT	0x12
DRM_CAP_CRTC_IN_VBLANK_EVENT  651 tools/include/uapi/drm/drm.h #define DRM_CAP_CRTC_IN_VBLANK_EVENT	0x12