mutex_lock(&dev_priv->binding_mutex);
/* If BO is being moved from MOB to system memory */
- if (new_mem->mem_type == TTM_PL_SYSTEM &&
+ if (old_mem &&
+ new_mem->mem_type == TTM_PL_SYSTEM &&
old_mem->mem_type == VMW_PL_MOB) {
struct vmw_fence_obj *fence;
struct ttm_resource *new_mem,
struct ttm_place *hop)
{
- struct ttm_resource_manager *old_man = ttm_manager_type(bo->bdev, bo->resource->mem_type);
- struct ttm_resource_manager *new_man = ttm_manager_type(bo->bdev, new_mem->mem_type);
- int ret;
+ struct ttm_resource_manager *new_man;
+ struct ttm_resource_manager *old_man = NULL;
+ int ret = 0;
+
+ new_man = ttm_manager_type(bo->bdev, new_mem->mem_type);
+ if (bo->resource)
+ old_man = ttm_manager_type(bo->bdev, bo->resource->mem_type);
if (new_man->use_tt && !vmw_memtype_is_system(new_mem->mem_type)) {
ret = vmw_ttm_bind(bo->bdev, bo->ttm, new_mem);
return ret;
}
+ if (!bo->resource || (bo->resource->mem_type == TTM_PL_SYSTEM &&
+ bo->ttm == NULL)) {
+ ttm_bo_move_null(bo, new_mem);
+ return 0;
+ }
+
vmw_move_notify(bo, bo->resource, new_mem);
- if (old_man->use_tt && new_man->use_tt) {
+ if (old_man && old_man->use_tt && new_man->use_tt) {
if (vmw_memtype_is_system(bo->resource->mem_type)) {
ttm_bo_move_null(bo, new_mem);
return 0;