Symbol: _DRM_VBLANK_SECONDARY
sys/dev/drm2/drm.h
480
_DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)
sys/dev/drm2/drm_irq.c
1218
crtc = flags & _DRM_VBLANK_SECONDARY ? 1 : 0;