diff --git a/src/backends/native/meta-kms-impl-device.c b/src/backends/native/meta-kms-impl-device.c
index 73ac6cfce..968cddea2 100644
--- a/src/backends/native/meta-kms-impl-device.c
+++ b/src/backends/native/meta-kms-impl-device.c
@@ -2080,6 +2080,23 @@ meta_kms_impl_device_schedule_process (MetaKmsImplDevice *impl_device,
 
       if (ensure_deadline_timer_armed (impl_device, crtc_frame))
         return;
+
+      if (crtc_frame->pending_update)
+        {
+          meta_kms_impl_device_do_process_update (impl_device, crtc_frame,
+                                                  crtc_frame->crtc,
+                                                  crtc_frame->pending_update,
+                                                  META_KMS_UPDATE_FLAG_NONE);
+        }
+    }
+
+  if (crtc_frame->pending_update)
+    {
+      MetaKmsImplDevicePrivate *priv =
+        meta_kms_impl_device_get_instance_private (impl_device);
+
+      g_warning_once ("crtc_frame->pending_update=%p, deadline_timer_state=%d",
+                      crtc_frame->pending_update, priv->deadline_timer_state);
     }
 
   meta_kms_device_set_needs_flush (meta_kms_crtc_get_device (crtc), crtc);