diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 5e818a8..c1a0d34 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1048,6 +1048,9 @@
 				 head) {
 		plane->funcs->destroy(plane);
 	}
+
+	idr_remove_all(&dev->mode_config.crtc_idr);
+	idr_destroy(&dev->mode_config.crtc_idr);
 }
 EXPORT_SYMBOL(drm_mode_config_cleanup);