47 	struct vmw_buffer_object *backup = res->backup;  in vmw_resource_mob_attach()  local
48 	struct rb_node **new = &backup->res_tree.rb_node, *parent = NULL;  in vmw_resource_mob_attach()
50 	dma_resv_assert_held(res->backup->base.base.resv);  in vmw_resource_mob_attach()
67 	rb_insert_color(&res->mob_node, &backup->res_tree);  in vmw_resource_mob_attach()
71 	vmw_bo_prio_add(backup, res->used_prio);  in vmw_resource_mob_attach()
80 	struct vmw_buffer_object *backup = res->backup;  in vmw_resource_mob_detach()  local
82 	dma_resv_assert_held(backup->base.base.resv);  in vmw_resource_mob_detach()
85 		rb_erase(&res->mob_node, &backup->res_tree);  in vmw_resource_mob_detach()
87 		vmw_bo_prio_del(backup, res->used_prio);  in vmw_resource_mob_detach()
133 	if (res->backup) {  in vmw_resource_release()
134 		struct ttm_buffer_object *bo = &res->backup->base;  in vmw_resource_release()
150 			vmw_bo_dirty_release(res->backup);  in vmw_resource_release()
152 		vmw_bo_unreference(&res->backup);  in vmw_resource_release()
236 	res->backup = NULL;  in vmw_resource_init()
370 	struct vmw_buffer_object *backup;  in vmw_resource_buf_alloc()  local
373 	if (likely(res->backup)) {  in vmw_resource_buf_alloc()
374 		BUG_ON(res->backup->base.num_pages * PAGE_SIZE < size);  in vmw_resource_buf_alloc()
378 	backup = kzalloc(sizeof(*backup), GFP_KERNEL);  in vmw_resource_buf_alloc()
379 	if (unlikely(!backup))  in vmw_resource_buf_alloc()
382 	ret = vmw_bo_init(res->dev_priv, backup, res->backup_size,  in vmw_resource_buf_alloc()
389 	res->backup = backup;  in vmw_resource_buf_alloc()
436 		if (res->backup->dirty && !res->dirty) {  in vmw_resource_do_validate()
440 		} else if (!res->backup->dirty && res->dirty) {  in vmw_resource_do_validate()
456 			vmw_bo_dirty_unmap(res->backup, start, end);  in vmw_resource_do_validate()
498 	if (switch_backup && new_backup != res->backup) {  in vmw_resource_unreserve()
499 		if (res->backup) {  in vmw_resource_unreserve()
502 				vmw_bo_dirty_release(res->backup);  in vmw_resource_unreserve()
503 			vmw_bo_unreference(&res->backup);  in vmw_resource_unreserve()
507 			res->backup = vmw_bo_reference(new_backup);  in vmw_resource_unreserve()
517 			res->backup = NULL;  in vmw_resource_unreserve()
520 		vmw_bo_dirty_release(res->backup);  in vmw_resource_unreserve()
561 	if (unlikely(res->backup == NULL)) {  in vmw_resource_check_buffer()
568 	ttm_bo_get(&res->backup->base);  in vmw_resource_check_buffer()
569 	val_buf->bo = &res->backup->base;  in vmw_resource_check_buffer()
580 	ret = ttm_bo_validate(&res->backup->base,  in vmw_resource_check_buffer()
595 		vmw_bo_unreference(&res->backup);  in vmw_resource_check_buffer()
620 	if (res->func->needs_backup && res->backup == NULL &&  in vmw_resource_reserve()
727 	if (res->backup)  in vmw_resource_validate()
728 		val_buf.bo = &res->backup->base;  in vmw_resource_validate()
768 	else if (!res->func->needs_backup && res->backup) {  in vmw_resource_validate()
770 		vmw_bo_unreference(&res->backup);  in vmw_resource_validate()
1012 		if (res->backup) {  in vmw_resource_pin()
1013 			vbo = res->backup;  in vmw_resource_pin()
1067 	if (--res->pin_count == 0 && res->backup) {  in vmw_resource_unpin()
1068 		struct vmw_buffer_object *vbo = res->backup;  in vmw_resource_unpin()