drm_crtc_vblank_count_and_time  827 drivers/gpu/drm/drm_vblank.c EXPORT_SYMBOL(drm_crtc_vblank_count_and_time);
drm_crtc_vblank_count_and_time  199 include/drm/drm_vblank.h u64 drm_crtc_vblank_count_and_time(struct drm_crtc *crtc,