312 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_vblank_count()
456 	if (dev->num_crtcs == 0)  in drm_vblank_cleanup()
459 	for (pipe = 0; pipe < dev->num_crtcs; pipe++) {  in drm_vblank_cleanup()
471 	dev->num_crtcs = 0;  in drm_vblank_cleanup()
488 int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs)  in drm_vblank_init()  argument
495 	dev->num_crtcs = num_crtcs;  in drm_vblank_init()
497 	dev->vblank = kcalloc(num_crtcs, sizeof(*dev->vblank), GFP_KERNEL);  in drm_vblank_init()
501 	for (i = 0; i < num_crtcs; i++) {  in drm_vblank_init()
529 	dev->num_crtcs = 0;  in drm_vblank_init()
569 	if (!dev->num_crtcs)  in drm_calc_timestamping_constants()
572 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_calc_timestamping_constants()
659 	if (pipe >= dev->num_crtcs || !crtc) {  in drm_calc_vbltimestamp_from_scanoutpos()
847 	if (WARN_ON(pipe >= dev->num_crtcs)) {  in drm_vblank_count_and_time()
988 	if (dev->num_crtcs > 0) {  in drm_crtc_send_vblank_event()
1059 	if (!dev->num_crtcs)  in drm_vblank_get_locked()
1062 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_vblank_get_locked()
1117 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_vblank_put_locked()
1139 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_vblank_put()
1192 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_wait_one_vblank()
1249 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_crtc_vblank_off()
1375 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_crtc_vblank_on()
1422 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_vblank_restore()
1471 	if (!dev->num_crtcs)  in drm_legacy_vblank_pre_modeset()
1474 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_legacy_vblank_pre_modeset()
1498 	if (!dev->num_crtcs)  in drm_legacy_vblank_post_modeset()
1501 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_legacy_vblank_post_modeset()
1523 	if (!dev->num_crtcs)  in drm_legacy_modeset_ctl_ioctl()
1531 	if (pipe >= dev->num_crtcs)  in drm_legacy_modeset_ctl_ioctl()
1724 	if (pipe >= dev->num_crtcs)  in drm_wait_vblank_ioctl()
1859 	if (WARN_ON_ONCE(!dev->num_crtcs))  in drm_handle_vblank()
1862 	if (WARN_ON(pipe >= dev->num_crtcs))  in drm_handle_vblank()