42 	struct vmw_buffer_object *backup = res->backup;  in vmw_resource_mob_attach()  local
43 	struct rb_node **new = &backup->res_tree.rb_node, *parent = NULL;  in vmw_resource_mob_attach()
45 	dma_resv_assert_held(res->backup->base.base.resv);  in vmw_resource_mob_attach()
59 	rb_insert_color(&res->mob_node, &backup->res_tree);  in vmw_resource_mob_attach()
61 	vmw_bo_prio_add(backup, res->used_prio);  in vmw_resource_mob_attach()
70 	struct vmw_buffer_object *backup = res->backup;  in vmw_resource_mob_detach()  local
72 	dma_resv_assert_held(backup->base.base.resv);  in vmw_resource_mob_detach()
74 		rb_erase(&res->mob_node, &backup->res_tree);  in vmw_resource_mob_detach()
76 		vmw_bo_prio_del(backup, res->used_prio);  in vmw_resource_mob_detach()
123 	if (res->backup) {  in vmw_resource_release()
124 		struct ttm_buffer_object *bo = &res->backup->base;  in vmw_resource_release()
141 			vmw_bo_dirty_release(res->backup);  in vmw_resource_release()
143 		vmw_bo_unreference(&res->backup);  in vmw_resource_release()
226 	res->backup = NULL;  in vmw_resource_init()
357 	struct vmw_buffer_object *backup;  in vmw_resource_buf_alloc()  local
360 	if (likely(res->backup)) {  in vmw_resource_buf_alloc()
361 		BUG_ON(res->backup->base.base.size < size);  in vmw_resource_buf_alloc()
365 	backup = kzalloc(sizeof(*backup), GFP_KERNEL);  in vmw_resource_buf_alloc()
366 	if (unlikely(!backup))  in vmw_resource_buf_alloc()
369 	ret = vmw_bo_init(res->dev_priv, backup, res->backup_size,  in vmw_resource_buf_alloc()
376 	res->backup = backup;  in vmw_resource_buf_alloc()
424 		if (res->backup->dirty && !res->dirty) {  in vmw_resource_do_validate()
428 		} else if (!res->backup->dirty && res->dirty) {  in vmw_resource_do_validate()
444 			vmw_bo_dirty_unmap(res->backup, start, end);  in vmw_resource_do_validate()
486 	if (switch_backup && new_backup != res->backup) {  in vmw_resource_unreserve()
487 		if (res->backup) {  in vmw_resource_unreserve()
490 				vmw_bo_dirty_release(res->backup);  in vmw_resource_unreserve()
491 			vmw_bo_unreference(&res->backup);  in vmw_resource_unreserve()
495 			res->backup = vmw_bo_reference(new_backup);  in vmw_resource_unreserve()
505 			res->backup = NULL;  in vmw_resource_unreserve()
508 		vmw_bo_dirty_release(res->backup);  in vmw_resource_unreserve()
549 	if (unlikely(res->backup == NULL)) {  in vmw_resource_check_buffer()
556 	ttm_bo_get(&res->backup->base);  in vmw_resource_check_buffer()
557 	val_buf->bo = &res->backup->base;  in vmw_resource_check_buffer()
568 	ret = ttm_bo_validate(&res->backup->base,  in vmw_resource_check_buffer()
583 		vmw_bo_unreference(&res->backup);  in vmw_resource_check_buffer()
608 	if (res->func->needs_backup && res->backup == NULL &&  in vmw_resource_reserve()
715 	if (res->backup)  in vmw_resource_validate()
716 		val_buf.bo = &res->backup->base;  in vmw_resource_validate()
756 	else if (!res->func->needs_backup && res->backup) {  in vmw_resource_validate()
758 		vmw_bo_unreference(&res->backup);  in vmw_resource_validate()
1002 		if (res->backup) {  in vmw_resource_pin()
1003 			vbo = res->backup;  in vmw_resource_pin()
1057 	if (--res->pin_count == 0 && res->backup) {  in vmw_resource_unpin()
1058 		struct vmw_buffer_object *vbo = res->backup;  in vmw_resource_unpin()