return intel_bios_is_port_edp(dev_priv, port);
 }
 
-void
+static void
 intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector)
 {
        struct intel_connector *intel_connector = to_intel_connector(connector);
 
                drm_mode_connector_attach_encoder(&intel_connector->base,
                                                  &intel_dp->mst_encoders[i]->base.base);
        }
-       intel_dp_add_properties(intel_dp, connector);
 
        drm_object_attach_property(&connector->base, dev->mode_config.path_property, 0);
        drm_object_attach_property(&connector->base, dev->mode_config.tile_property, 0);
 
 void intel_edp_panel_vdd_on(struct intel_dp *intel_dp);
 void intel_edp_panel_on(struct intel_dp *intel_dp);
 void intel_edp_panel_off(struct intel_dp *intel_dp);
-void intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector);
 void intel_dp_mst_suspend(struct drm_device *dev);
 void intel_dp_mst_resume(struct drm_device *dev);
 int intel_dp_max_link_rate(struct intel_dp *intel_dp);