919 	kref_init(&mstb->topology_kref);  in drm_dp_add_mst_branch_device()
1114 		container_of(kref, struct drm_dp_mst_branch, topology_kref);  in drm_dp_destroy_mst_branch_device()
1171 	int ret = kref_get_unless_zero(&mstb->topology_kref);  in drm_dp_mst_topology_try_get_mstb()
1175 			  kref_read(&mstb->topology_kref));  in drm_dp_mst_topology_try_get_mstb()
1196 	WARN_ON(kref_read(&mstb->topology_kref) == 0);  in drm_dp_mst_topology_get_mstb()
1197 	kref_get(&mstb->topology_kref);  in drm_dp_mst_topology_get_mstb()
1198 	DRM_DEBUG("mstb %p (%d)\n", mstb, kref_read(&mstb->topology_kref));  in drm_dp_mst_topology_get_mstb()
1217 		  mstb, kref_read(&mstb->topology_kref) - 1);  in drm_dp_mst_topology_put_mstb()
1218 	kref_put(&mstb->topology_kref, drm_dp_destroy_mst_branch_device);  in drm_dp_mst_topology_put_mstb()
1242 		container_of(kref, struct drm_dp_mst_port, topology_kref);  in drm_dp_destroy_port()
1297 	int ret = kref_get_unless_zero(&port->topology_kref);  in drm_dp_mst_topology_try_get_port()
1301 			  kref_read(&port->topology_kref));  in drm_dp_mst_topology_try_get_port()
1321 	WARN_ON(kref_read(&port->topology_kref) == 0);  in drm_dp_mst_topology_get_port()
1322 	kref_get(&port->topology_kref);  in drm_dp_mst_topology_get_port()
1323 	DRM_DEBUG("port %p (%d)\n", port, kref_read(&port->topology_kref));  in drm_dp_mst_topology_get_port()
1340 		  port, kref_read(&port->topology_kref) - 1);  in drm_dp_mst_topology_put_port()
1341 	kref_put(&port->topology_kref, drm_dp_destroy_port);  in drm_dp_mst_topology_put_port()
1635 		kref_init(&port->topology_kref);  in drm_dp_add_port()