50  * @backup_base:    The TTM base object of the backup buffer.
200  * Computes the required size for a surface dma command for backup or
469  * vmw_legacy_srf_dma - Copy backup data to or from a legacy surface.
474  *                  information about the backup buffer.
477  * Transfer backup data to or from a legacy surface as part of the
480  * The backup buffer will be fenced or idle upon successful completion,
481  * and if the surface needs persistent backup storage, the backup buffer
507 	 * Create a fence object and fence the backup buffer.  in vmw_legacy_srf_dma()
528  *                  information about the backup buffer.
530  * This function will copy backup data to the surface if the
531  * backup buffer is dirty.
551  *                  information about the backup buffer.
553  * This function will copy backup data from the surface.
881 	 * expect a backup buffer to be present.  in vmw_surface_define_ioctl()
890 					&res->backup,  in vmw_surface_define_ioctl()
1235 	if (res->backup->dirty && res->backup_dirty) {  in vmw_gb_surface_bind()
1298 	 * Create a fence object and fence the backup buffer.  in vmw_gb_surface_unbind()
1543 					 &res->backup,  in vmw_gb_surface_define_internal()
1546 			if (res->backup->base.base.size < res->backup_size) {  in vmw_gb_surface_define_internal()
1547 				VMW_DEBUG_USER("Surface backup buffer too small.\n");  in vmw_gb_surface_define_internal()
1548 				vmw_bo_unreference(&res->backup);  in vmw_gb_surface_define_internal()
1563 					&res->backup,  in vmw_gb_surface_define_internal()
1572 		struct vmw_buffer_object *backup = res->backup;  in vmw_gb_surface_define_internal()  local
1574 		ttm_bo_reserve(&backup->base, false, false, NULL);  in vmw_gb_surface_define_internal()
1578 			ret = vmw_bo_dirty_add(backup);  in vmw_gb_surface_define_internal()
1583 		ttm_bo_unreserve(&backup->base);  in vmw_gb_surface_define_internal()
1606 	if (res->backup) {  in vmw_gb_surface_define_internal()
1608 			drm_vma_node_offset_addr(&res->backup->base.base.vma_node);  in vmw_gb_surface_define_internal()
1609 		rep->buffer_size = res->backup->base.base.size;  in vmw_gb_surface_define_internal()
1654 	if (!srf->res.backup) {  in vmw_gb_surface_reference_internal()
1655 		DRM_ERROR("Shared GB surface is missing a backup buffer.\n");  in vmw_gb_surface_reference_internal()
1660 	mutex_lock(&dev_priv->cmdbuf_mutex); /* Protect res->backup */  in vmw_gb_surface_reference_internal()
1661 	ret = vmw_user_bo_reference(tfile, srf->res.backup, &backup_handle);  in vmw_gb_surface_reference_internal()
1666 			  "backup buffer.\n");  in vmw_gb_surface_reference_internal()
1685 		drm_vma_node_offset_addr(&srf->res.backup->base.base.vma_node);  in vmw_gb_surface_reference_internal()
1686 	rep->crep.buffer_size = srf->res.backup->base.base.size;  in vmw_gb_surface_reference_internal()