1383 	struct drm_dp_tunnel_state *tunnel_state;  in add_tunnel_state()  local
1389 	tunnel_state = kzalloc(sizeof(*tunnel_state), GFP_KERNEL);  in add_tunnel_state()
1390 	if (!tunnel_state)  in add_tunnel_state()
1393 	tunnel_state->group_state = group_state;  in add_tunnel_state()
1395 	drm_dp_tunnel_ref_get(tunnel, &tunnel_state->tunnel_ref);  in add_tunnel_state()
1397 	INIT_LIST_HEAD(&tunnel_state->node);  in add_tunnel_state()
1398 	list_add(&tunnel_state->node, &group_state->tunnel_states);  in add_tunnel_state()
1400 	return tunnel_state;  in add_tunnel_state()
1403 static void free_tunnel_state(struct drm_dp_tunnel_state *tunnel_state)  in free_tunnel_state()  argument
1405 	tun_dbg_atomic(tunnel_state->tunnel_ref.tunnel,  in free_tunnel_state()
1407 		       tunnel_state->tunnel_ref.tunnel);  in free_tunnel_state()
1409 	list_del(&tunnel_state->node);  in free_tunnel_state()
1411 	kfree(tunnel_state->stream_bw);  in free_tunnel_state()
1412 	drm_dp_tunnel_ref_put(&tunnel_state->tunnel_ref);  in free_tunnel_state()
1414 	kfree(tunnel_state);  in free_tunnel_state()
1419 	struct drm_dp_tunnel_state *tunnel_state;  in free_group_state()  local
1422 	for_each_tunnel_state_safe(group_state, tunnel_state, tunnel_state_tmp)  in free_group_state()
1423 		free_tunnel_state(tunnel_state);  in free_group_state()
1432 	struct drm_dp_tunnel_state *tunnel_state;  in get_tunnel_state()  local
1434 	for_each_tunnel_state(group_state, tunnel_state)  in get_tunnel_state()
1435 		if (tunnel_state->tunnel_ref.tunnel == tunnel)  in get_tunnel_state()
1436 			return tunnel_state;  in get_tunnel_state()
1445 	struct drm_dp_tunnel_state *tunnel_state;  in get_or_add_tunnel_state()  local
1447 	tunnel_state = get_tunnel_state(group_state, tunnel);  in get_or_add_tunnel_state()
1448 	if (tunnel_state)  in get_or_add_tunnel_state()
1449 		return tunnel_state;  in get_or_add_tunnel_state()
1458 	struct drm_dp_tunnel_state *tunnel_state;  in tunnel_group_duplicate_state()  local
1468 	for_each_tunnel_state(to_group_state(obj->state), tunnel_state) {  in tunnel_group_duplicate_state()
1472 							   tunnel_state->tunnel_ref.tunnel);  in tunnel_group_duplicate_state()
1476 		new_tunnel_state->stream_mask = tunnel_state->stream_mask;  in tunnel_group_duplicate_state()
1477 		new_tunnel_state->stream_bw = kmemdup(tunnel_state->stream_bw,  in tunnel_group_duplicate_state()
1478 						      sizeof(*tunnel_state->stream_bw) *  in tunnel_group_duplicate_state()
1479 							hweight32(tunnel_state->stream_mask),  in tunnel_group_duplicate_state()
1519 	struct drm_dp_tunnel_state *tunnel_state;  in drm_dp_tunnel_atomic_get_state()  local
1525 	tunnel_state = get_or_add_tunnel_state(group_state, tunnel);  in drm_dp_tunnel_atomic_get_state()
1526 	if (!tunnel_state)  in drm_dp_tunnel_atomic_get_state()
1529 	return tunnel_state;  in drm_dp_tunnel_atomic_get_state()
1609 	const struct drm_dp_tunnel_state *tunnel_state;  in check_unique_stream_ids()  local
1612 	for_each_tunnel_state(group_state, tunnel_state) {  in check_unique_stream_ids()
1614 			 tunnel_state->stream_mask & stream_mask,  in check_unique_stream_ids()
1616 			 tunnel_state->tunnel_ref.tunnel->name,  in check_unique_stream_ids()
1617 			 tunnel_state->stream_mask,  in check_unique_stream_ids()
1620 		stream_mask |= tunnel_state->stream_mask;  in check_unique_stream_ids()
1634 static int resize_bw_array(struct drm_dp_tunnel_state *tunnel_state,  in resize_bw_array()  argument
1652 			tunnel_state->stream_bw[stream_id_to_idx(old_mask, id)];  in resize_bw_array()
1654 	kfree(tunnel_state->stream_bw);  in resize_bw_array()
1655 	tunnel_state->stream_bw = new_bws;  in resize_bw_array()
1656 	tunnel_state->stream_mask = new_mask;  in resize_bw_array()
1661 static int set_stream_bw(struct drm_dp_tunnel_state *tunnel_state,  in set_stream_bw()  argument
1666 	err = resize_bw_array(tunnel_state,  in set_stream_bw()
1667 			      tunnel_state->stream_mask,  in set_stream_bw()
1668 			      tunnel_state->stream_mask | BIT(stream_id));  in set_stream_bw()
1672 	tunnel_state->stream_bw[stream_id_to_idx(tunnel_state->stream_mask, stream_id)] = bw;  in set_stream_bw()
1677 static int clear_stream_bw(struct drm_dp_tunnel_state *tunnel_state,  in clear_stream_bw()  argument
1680 	if (!(tunnel_state->stream_mask & ~BIT(stream_id))) {  in clear_stream_bw()
1681 		free_tunnel_state(tunnel_state);  in clear_stream_bw()
1685 	return resize_bw_array(tunnel_state,  in clear_stream_bw()
1686 			       tunnel_state->stream_mask,  in clear_stream_bw()
1687 			       tunnel_state->stream_mask & ~BIT(stream_id));  in clear_stream_bw()
1706 	struct drm_dp_tunnel_state *tunnel_state;  in drm_dp_tunnel_atomic_set_stream_bw()  local
1710 			stream_id > BITS_PER_TYPE(tunnel_state->stream_mask)))  in drm_dp_tunnel_atomic_set_stream_bw()
1722 		tunnel_state = get_tunnel_state(new_group_state, tunnel);  in drm_dp_tunnel_atomic_set_stream_bw()
1723 		if (!tunnel_state)  in drm_dp_tunnel_atomic_set_stream_bw()
1726 		return clear_stream_bw(tunnel_state, stream_id);  in drm_dp_tunnel_atomic_set_stream_bw()
1729 	tunnel_state = get_or_add_tunnel_state(new_group_state, tunnel);  in drm_dp_tunnel_atomic_set_stream_bw()
1730 	if (drm_WARN_ON(state->dev, !tunnel_state))  in drm_dp_tunnel_atomic_set_stream_bw()
1733 	err = set_stream_bw(tunnel_state, stream_id, bw);  in drm_dp_tunnel_atomic_set_stream_bw()
1752 int drm_dp_tunnel_atomic_get_required_bw(const struct drm_dp_tunnel_state *tunnel_state)  in drm_dp_tunnel_atomic_get_required_bw()  argument
1757 	if (!tunnel_state || !tunnel_state->stream_mask)  in drm_dp_tunnel_atomic_get_required_bw()
1760 	for (i = 0; i < hweight32(tunnel_state->stream_mask); i++)  in drm_dp_tunnel_atomic_get_required_bw()
1761 		tunnel_bw += tunnel_state->stream_bw[i];  in drm_dp_tunnel_atomic_get_required_bw()
1783 	struct drm_dp_tunnel_state *tunnel_state;  in drm_dp_tunnel_atomic_get_group_streams_in_state()  local
1790 	for_each_tunnel_state(group_state, tunnel_state)  in drm_dp_tunnel_atomic_get_group_streams_in_state()
1791 		*stream_mask |= tunnel_state->stream_mask;  in drm_dp_tunnel_atomic_get_group_streams_in_state()