Symbol: drm_crtc_get_last_vbltimestamp
sys/dev/pci/drm/drm_vblank.c
1016
if (!drm_crtc_get_last_vbltimestamp(crtc, vblanktime, false))
sys/dev/pci/drm/drm_vblank.c
901
return drm_crtc_get_last_vbltimestamp(crtc, tvblank, in_vblank_irq);