287 	return ttm_bo_mmap(filp, vma, &drm->ttm.bdev);  in nouveau_ttm_mmap()
308 	global_ref = &drm->ttm.mem_global_ref;  in nouveau_ttm_global_init()
317 		drm->ttm.mem_global_ref.release = NULL;  in nouveau_ttm_global_init()
321 	drm->ttm.bo_global_ref.mem_glob = global_ref->object;  in nouveau_ttm_global_init()
322 	global_ref = &drm->ttm.bo_global_ref.ref;  in nouveau_ttm_global_init()
331 		drm_global_item_unref(&drm->ttm.mem_global_ref);  in nouveau_ttm_global_init()
332 		drm->ttm.mem_global_ref.release = NULL;  in nouveau_ttm_global_init()
342 	if (drm->ttm.mem_global_ref.release == NULL)  in nouveau_ttm_global_release()
345 	drm_global_item_unref(&drm->ttm.bo_global_ref.ref);  in nouveau_ttm_global_release()
346 	drm_global_item_unref(&drm->ttm.mem_global_ref);  in nouveau_ttm_global_release()
347 	drm->ttm.mem_global_ref.release = NULL;  in nouveau_ttm_global_release()
378 	ret = ttm_bo_device_init(&drm->ttm.bdev,  in nouveau_ttm_init()
379 				  drm->ttm.bo_global_ref.ref.object,  in nouveau_ttm_init()
392 	ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM,  in nouveau_ttm_init()
399 	drm->ttm.mtrr = arch_phys_wc_add(nv_device_resource_start(nvkm_device(&drm->device), 1),  in nouveau_ttm_init()
409 	ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT,  in nouveau_ttm_init()
425 	ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM);  in nouveau_ttm_fini()
426 	ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT);  in nouveau_ttm_fini()
429 	ttm_bo_device_release(&drm->ttm.bdev);  in nouveau_ttm_fini()
433 	arch_phys_wc_del(drm->ttm.mtrr);  in nouveau_ttm_fini()
434 	drm->ttm.mtrr = 0;  in nouveau_ttm_fini()