struct ttm_bo_device *bdev = bo->bdev;
        struct ttm_mem_type_manager *man;
 
-       lockdep_assert_held(&bo->resv->lock.base);
+       reservation_object_assert_held(bo->resv);
 
        if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {
 
 
 void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo)
 {
-       lockdep_assert_held(&bo->resv->lock.base);
+       reservation_object_assert_held(bo->resv);
 
        ttm_bo_del_from_lru(bo);
        ttm_bo_add_to_lru(bo);
        struct ttm_placement placement;
        int ret = 0;
 
-       lockdep_assert_held(&bo->resv->lock.base);
+       reservation_object_assert_held(bo->resv);
 
        evict_mem = bo->mem;
        evict_mem.mm_node = NULL;
        int ret = 0;
        struct ttm_mem_reg mem;
 
-       lockdep_assert_held(&bo->resv->lock.base);
+       reservation_object_assert_held(bo->resv);
 
        mem.num_pages = bo->num_pages;
        mem.size = mem.num_pages << PAGE_SHIFT;
        int ret;
        uint32_t new_flags;
 
-       lockdep_assert_held(&bo->resv->lock.base);
+       reservation_object_assert_held(bo->resv);
        /*
         * Check whether we need to move buffer.
         */
        bo->sg = sg;
        if (resv) {
                bo->resv = resv;
-               lockdep_assert_held(&bo->resv->lock.base);
+               reservation_object_assert_held(bo->resv);
        } else {
                bo->resv = &bo->ttm_resv;
        }
         * since otherwise lockdep will be angered in radeon.
         */
        if (!resv) {
-               locked = ww_mutex_trylock(&bo->resv->lock);
+               locked = reservation_object_trylock(bo->resv);
                WARN_ON(!locked);
        }