diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 63ead8ba6756..e8e80c936852 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -493,14 +493,23 @@ EXPORT_SYMBOL(__drmm_crtc_alloc_with_planes);
  * drm_crtc_cleanup - Clean up the core crtc usage
  * @crtc: CRTC to cleanup
  *
- * This function cleans up @crtc and removes it from the DRM mode setting
- * core. Note that the function does *not* free the crtc structure itself,
- * this is the responsibility of the caller.
+ * This function cleans up @crtc and removes it from the DRM mode setting core,
+ * after first waiting an RCU grace period to ensure @crtc->dev can safely be
+ * dereferenced by our dma_fence_ops.
+ *
+ * Note that the function does *not* free the crtc structure itself, this is the
+ * responsibility of the caller.
  */
 void drm_crtc_cleanup(struct drm_crtc *crtc)
 {
 	struct drm_device *dev = crtc->dev;
 
+	/* Ensure our dma_fence_ops remain valid for an RCU grace period after
+	 * the fence is signaled. This is necessary because our dma_fence_ops
+	 * dereference crtc->dev.
+	 */
+	synchronize_rcu();
+
 	/* Note that the crtc_list is considered to be static; should we
 	 * remove the drm_crtc at runtime we would have to decrement all
 	 * the indices on the drm_crtc after us in the crtc_list.