diff --git a/src/backends/native/meta-kms-device.c b/src/backends/native/meta-kms-device.c
index b59c95dba..63aea26cd 100644
--- a/src/backends/native/meta-kms-device.c
+++ b/src/backends/native/meta-kms-device.c
@@ -289,9 +289,9 @@ typedef struct
 } PostUpdateData;
 
 static gpointer
-process_update_in_impl (MetaThreadImpl  *thread_impl,
-                        gpointer         user_data,
-                        GError         **error)
+process_sync_update_in_impl (MetaThreadImpl  *thread_impl,
+                             gpointer         user_data,
+                             GError         **error)
 {
   PostUpdateData *data = user_data;
   MetaKmsUpdate *update = data->update;
@@ -315,10 +315,52 @@ meta_kms_device_process_update_sync (MetaKmsDevice     *device,
     .update = update,
     .flags = flags,
   };
-  return meta_kms_run_impl_task_sync (kms, process_update_in_impl,
+  return meta_kms_run_impl_task_sync (kms, process_sync_update_in_impl,
                                       &data, NULL);
 }
 
+static gpointer
+process_async_update_in_impl (MetaThreadImpl  *thread_impl,
+                              gpointer         user_data,
+                              GError         **error)
+{
+  PostUpdateData *data = user_data;
+  MetaKmsUpdate *update = data->update;
+  MetaKmsDevice *device = meta_kms_update_get_device (update);
+  MetaKmsImplDevice *impl_device = meta_kms_device_get_impl_device (device);
+  MetaKmsFeedback *feedback;
+
+  feedback = meta_kms_impl_device_process_update (impl_device, update,
+                                                  data->flags);
+  meta_kms_feedback_unref (feedback);
+
+  return GINT_TO_POINTER (TRUE);
+}
+
+void
+meta_kms_device_post_update (MetaKmsDevice       *device,
+                             MetaKmsUpdate       *update,
+                             MetaKmsUpdateFlag    flags)
+{
+  MetaKms *kms = META_KMS (meta_kms_device_get_kms (device));
+  PostUpdateData *data;
+
+  g_return_if_fail (meta_kms_update_get_device (update) == device);
+
+  meta_kms_update_seal (update);
+
+  data = g_new0 (PostUpdateData, 1);
+  *data = (PostUpdateData) {
+    .update = update,
+    .flags = flags,
+  };
+
+  meta_thread_post_impl_task (META_THREAD (kms),
+                              process_async_update_in_impl,
+                              data, g_free,
+                              NULL, NULL);
+}
+
 void
 meta_kms_device_add_fake_plane_in_impl (MetaKmsDevice    *device,
                                         MetaKmsPlaneType  plane_type,
diff --git a/src/backends/native/meta-kms-device.h b/src/backends/native/meta-kms-device.h
index 3f400ceab..543c271a9 100644
--- a/src/backends/native/meta-kms-device.h
+++ b/src/backends/native/meta-kms-device.h
@@ -78,6 +78,11 @@ MetaKmsFeedback * meta_kms_device_process_update_sync (MetaKmsDevice     *device
                                                        MetaKmsUpdateFlag  flags)
   G_GNUC_WARN_UNUSED_RESULT;
 
+META_EXPORT_TEST
+void meta_kms_device_post_update (MetaKmsDevice     *device,
+                                  MetaKmsUpdate     *update,
+                                  MetaKmsUpdateFlag  flags);
+
 META_EXPORT_TEST
 void meta_kms_device_disable (MetaKmsDevice *device);