42 	struct vmw_buffer_object *backup = res->backup;  in vmw_resource_mob_attach()  local
44 	dma_resv_assert_held(res->backup->base.base.resv);  in vmw_resource_mob_attach()
47 	list_add_tail(&res->mob_head, &backup->res_list);  in vmw_resource_mob_attach()
48 	vmw_bo_prio_add(backup, res->used_prio);  in vmw_resource_mob_attach()
57 	struct vmw_buffer_object *backup = res->backup;  in vmw_resource_mob_detach()  local
59 	dma_resv_assert_held(backup->base.base.resv);  in vmw_resource_mob_detach()
62 		vmw_bo_prio_del(backup, res->used_prio);  in vmw_resource_mob_detach()
108 	if (res->backup) {  in vmw_resource_release()
109 		struct ttm_buffer_object *bo = &res->backup->base;  in vmw_resource_release()
123 		vmw_bo_unreference(&res->backup);  in vmw_resource_release()
207 	res->backup = NULL;  in vmw_resource_init()
339 	struct vmw_buffer_object *backup;  in vmw_resource_buf_alloc()  local
342 	if (likely(res->backup)) {  in vmw_resource_buf_alloc()
343 		BUG_ON(res->backup->base.num_pages * PAGE_SIZE < size);  in vmw_resource_buf_alloc()
347 	backup = kzalloc(sizeof(*backup), GFP_KERNEL);  in vmw_resource_buf_alloc()
348 	if (unlikely(!backup))  in vmw_resource_buf_alloc()
351 	ret = vmw_bo_init(res->dev_priv, backup, res->backup_size,  in vmw_resource_buf_alloc()
358 	res->backup = backup;  in vmw_resource_buf_alloc()
433 	if (switch_backup && new_backup != res->backup) {  in vmw_resource_unreserve()
434 		if (res->backup) {  in vmw_resource_unreserve()
436 			vmw_bo_unreference(&res->backup);  in vmw_resource_unreserve()
440 			res->backup = vmw_bo_reference(new_backup);  in vmw_resource_unreserve()
443 			res->backup = NULL;  in vmw_resource_unreserve()
484 	if (unlikely(res->backup == NULL)) {  in vmw_resource_check_buffer()
491 	ttm_bo_get(&res->backup->base);  in vmw_resource_check_buffer()
492 	val_buf->bo = &res->backup->base;  in vmw_resource_check_buffer()
504 	ret = ttm_bo_validate(&res->backup->base,  in vmw_resource_check_buffer()
519 		vmw_bo_unreference(&res->backup);  in vmw_resource_check_buffer()
544 	if (res->func->needs_backup && res->backup == NULL &&  in vmw_resource_reserve()
649 	if (res->backup)  in vmw_resource_validate()
650 		val_buf.bo = &res->backup->base;  in vmw_resource_validate()
690 	else if (!res->func->needs_backup && res->backup) {  in vmw_resource_validate()
692 		vmw_bo_unreference(&res->backup);  in vmw_resource_validate()
933 		if (res->backup) {  in vmw_resource_pin()
934 			vbo = res->backup;  in vmw_resource_pin()
988 	if (--res->pin_count == 0 && res->backup) {  in vmw_resource_unpin()
989 		struct vmw_buffer_object *vbo = res->backup;  in vmw_resource_unpin()