last_vblank_count 1455 drivers/gpu/drm/drm_atomic_helper.c old_state->crtcs[i].last_vblank_count = drm_crtc_vblank_count(crtc); last_vblank_count 1463 drivers/gpu/drm/drm_atomic_helper.c old_state->crtcs[i].last_vblank_count != last_vblank_count 169 include/drm/drm_atomic.h u64 last_vblank_count;