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Lines Matching defs:backup

47 	struct vmw_buffer_object *backup = res->backup;
48 	struct rb_node **new = &backup->res_tree.rb_node, *parent = NULL;
50 	dma_resv_assert_held(res->backup->base.base.resv);
67 	rb_insert_color(&res->mob_node, &backup->res_tree);
71 	vmw_bo_prio_add(backup, res->used_prio);
80 	struct vmw_buffer_object *backup = res->backup;
82 	dma_resv_assert_held(backup->base.base.resv);
85 		rb_erase(&res->mob_node, &backup->res_tree);
87 		vmw_bo_prio_del(backup, res->used_prio);
133 	if (res->backup) {
134 		struct ttm_buffer_object *bo = &res->backup->base;
150 			vmw_bo_dirty_release(res->backup);
152 		vmw_bo_unreference(&res->backup);
236 	res->backup = NULL;
359  * vmw_resource_buf_alloc - Allocate a backup buffer for a resource.
361  * @res:            The resource for which to allocate a backup buffer.
370 	struct vmw_buffer_object *backup;
373 	if (likely(res->backup)) {
374 		BUG_ON(res->backup->base.num_pages * PAGE_SIZE < size);
378 	backup = kzalloc(sizeof(*backup), GFP_KERNEL);
379 	if (unlikely(!backup))
382 	ret = vmw_bo_init(res->dev_priv, backup, res->backup_size,
389 	res->backup = backup;
401  *                  containing backup data if a bind operation is needed.
431 	 * Handle the case where the backup mob is marked coherent but
436 		if (res->backup->dirty && !res->dirty) {
440 		} else if (!res->backup->dirty && res->dirty) {
456 			vmw_bo_dirty_unmap(res->backup, start, end);
478  * @switch_backup:     Backup buffer has been switched.
479  * @new_backup:        Pointer to new backup buffer if command submission
481  * @new_backup_offset: New backup offset if @switch_backup is true.
498 	if (switch_backup && new_backup != res->backup) {
499 		if (res->backup) {
502 				vmw_bo_dirty_release(res->backup);
503 			vmw_bo_unreference(&res->backup);
507 			res->backup = vmw_bo_reference(new_backup);
517 			res->backup = NULL;
520 		vmw_bo_dirty_release(res->backup);
539  * vmw_resource_check_buffer - Check whether a backup buffer is needed
544  * @res:            The resource for which to allocate a backup buffer.
548  *                  reserved and validated backup buffer.
561 	if (unlikely(res->backup == NULL)) {
568 	ttm_bo_get(&res->backup->base);
569 	val_buf->bo = &res->backup->base;
580 	ret = ttm_bo_validate(&res->backup->base,
595 		vmw_bo_unreference(&res->backup);
606  * a backup buffer is present for guest-backed resources. However,
620 	if (res->func->needs_backup && res->backup == NULL &&
624 			DRM_ERROR("Failed to allocate a backup buffer "
636  *                                    backup buffer
639  * @val_buf:        Backup buffer information.
659  *                         to a backup buffer.
704  * On succesful return, any backup DMA buffer pointed to by @res->backup will
727 	if (res->backup)
728 		val_buf.bo = &res->backup->base;
750 		/* Trylock backup buffers with a NULL ticket. */
768 	else if (!res->func->needs_backup && res->backup) {
770 		vmw_bo_unreference(&res->backup);
785  * Evicts the Guest Backed hardware resource if the backup
789  * both require the backup buffer to be reserved.
907  * vmw_resource_needs_backup - Return whether a resource needs a backup buffer.
946 		/* Wait lock backup buffers with a ticket. */
1012 		if (res->backup) {
1013 			vbo = res->backup;
1067 	if (--res->pin_count == 0 && res->backup) {
1068 		struct vmw_buffer_object *vbo = res->backup;