drm/ttm: Add a default BO destructor to simplify code (v2) (420457ac) · Commits · 戴 / test

drivers/gpu/drm/ttm/ttm_bo.c

+8 −5

Original line number	Diff line number	Diff line
		@@ -49,6 +49,12 @@ static struct attribute ttm_bo_count = {
		.mode = S_IRUGO
		};

		/* default destructor */
		static void ttm_bo_default_destroy(struct ttm_buffer_object *bo)
		{
		kfree(bo);
		}

		static inline int ttm_mem_type_from_place(const struct ttm_place *place,
		uint32_t *mem_type)
		{
		@@ -147,10 +153,7 @@ static void ttm_bo_release_list(struct kref *list_kref)
		dma_fence_put(bo->moving);
		reservation_object_fini(&bo->ttm_resv);
		mutex_destroy(&bo->wu_mutex);
		if (bo->destroy)
		bo->destroy(bo);
		else
		kfree(bo);
		ttm_mem_global_free(bdev->glob->mem_glob, acc_size);
		}

		@@ -1176,7 +1179,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
		ttm_mem_global_free(mem_glob, acc_size);
		return -EINVAL;
		}
		bo->destroy = destroy;
		bo->destroy = destroy ? destroy : ttm_bo_default_destroy;

		kref_init(&bo->kref);
		kref_init(&bo->list_kref);