diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index a9f12708a046..5c0b6fdaff8f 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -1181,8 +1181,11 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb,

        if (old_ddps != port->ddps) {
                if (port->ddps) {
-                       if (!port->input)
+                       if (!port->input) {
+                               drm_dp_send_power_updown_phy(mstb->mgr, port, false);
+                               drm_dp_send_power_updown_phy(mstb->mgr, port, true);
                                drm_dp_send_enum_path_resources(mstb->mgr, mstb, port);
+                       }
                } else {
                        port->available_pbn = 0;
                        }
@@ -1638,7 +1641,7 @@ static void drm_dp_send_link_address(struct drm_dp_mst_topology_mgr *mgr,
                }
        } else {
                mstb->link_address_sent = false;
-               DRM_DEBUG_KMS("link address failed %d\n", ret);
+               DRM_ERROR("link address failed %d\n", ret);
        }

        kfree(txmsg);