191  * Computes the required size for a surface dma command for backup or
460  * vmw_legacy_srf_dma - Copy backup data to or from a legacy surface.
465  *                  information about the backup buffer.
468  * Transfer backup data to or from a legacy surface as part of the
471  * The backup buffer will be fenced or idle upon successful completion,
472  * and if the surface needs persistent backup storage, the backup buffer
498 	 * Create a fence object and fence the backup buffer.  in vmw_legacy_srf_dma()
519  *                  information about the backup buffer.
521  * This function will copy backup data to the surface if the
522  * backup buffer is dirty.
542  *                  information about the backup buffer.
544  * This function will copy backup data from the surface.
686 	if (base->shareable && res && res->backup)  in vmw_user_surface_base_release()
687 		drm_gem_object_put(&res->backup->base.base);  in vmw_user_surface_base_release()
848 	 * expect a backup buffer to be present.  in vmw_surface_define_ioctl()
857 							&res->backup);  in vmw_surface_define_ioctl()
862 		vmw_bo_reference(res->backup);  in vmw_surface_define_ioctl()
863 		drm_gem_object_get(&res->backup->base.base);  in vmw_surface_define_ioctl()
1199 	if (res->backup->dirty && res->backup_dirty) {  in vmw_gb_surface_bind()
1262 	 * Create a fence object and fence the backup buffer.  in vmw_gb_surface_unbind()
1500 					 &res->backup);  in vmw_gb_surface_define_internal()
1502 			if (res->backup->base.base.size < res->backup_size) {  in vmw_gb_surface_define_internal()
1503 				VMW_DEBUG_USER("Surface backup buffer too small.\n");  in vmw_gb_surface_define_internal()
1504 				vmw_bo_unreference(&res->backup);  in vmw_gb_surface_define_internal()
1517 							&res->backup);  in vmw_gb_surface_define_internal()
1519 			vmw_bo_reference(res->backup);  in vmw_gb_surface_define_internal()
1528 		struct vmw_buffer_object *backup = res->backup;  in vmw_gb_surface_define_internal()  local
1530 		ttm_bo_reserve(&backup->base, false, false, NULL);  in vmw_gb_surface_define_internal()
1534 			ret = vmw_bo_dirty_add(backup);  in vmw_gb_surface_define_internal()
1539 		ttm_bo_unreserve(&backup->base);  in vmw_gb_surface_define_internal()
1562 	if (res->backup) {  in vmw_gb_surface_define_internal()
1564 			drm_vma_node_offset_addr(&res->backup->base.base.vma_node);  in vmw_gb_surface_define_internal()
1565 		rep->buffer_size = res->backup->base.base.size;  in vmw_gb_surface_define_internal()
1568 			drm_gem_object_get(&res->backup->base.base);  in vmw_gb_surface_define_internal()
1610 	if (!srf->res.backup) {  in vmw_gb_surface_reference_internal()
1611 		DRM_ERROR("Shared GB surface is missing a backup buffer.\n");  in vmw_gb_surface_reference_internal()
1616 	mutex_lock(&dev_priv->cmdbuf_mutex); /* Protect res->backup */  in vmw_gb_surface_reference_internal()
1617 	ret = drm_gem_handle_create(file_priv, &srf->res.backup->base.base,  in vmw_gb_surface_reference_internal()
1639 		drm_vma_node_offset_addr(&srf->res.backup->base.base.vma_node);  in vmw_gb_surface_reference_internal()
1640 	rep->crep.buffer_size = srf->res.backup->base.base.size;  in vmw_gb_surface_reference_internal()