+
+ /*
+ * Normally either the driver's hpd code or the poll loop should
+ * pick up any changes and fire the hotplug event. But if
+ * userspace sneaks in a probe, we might miss a change. Hence
+ * check here, and if anything changed start the hotplug code.
+ */
+ if (old_status != connector->status) {
+ DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %d to %d\n",
+ connector->base.id,
+ drm_get_connector_name(connector),
+ old_status, connector->status);
+
+ /*
+ * The hotplug event code might call into the fb
+ * helpers, and so expects that we do not hold any
+ * locks. Fire up the poll struct instead, it will
+ * disable itself again.
+ */
+ dev->mode_config.delayed_event = true;
+ schedule_delayed_work(&dev->mode_config.output_poll_work,
+ 0);
+ }