drm/ttm/ttm_device.c

132 	struct ttm_device *bdev;
136 	list_for_each_entry(bdev, &glob->device_list, device_list) {
137 		ret = ttm_device_swapout(bdev, ctx, gfp_flags);
139 			list_move_tail(&bdev->device_list, &glob->device_list);
147 int ttm_device_swapout(struct ttm_device *bdev, struct ttm_operation_ctx *ctx,
156 	spin_lock(&bdev->lru_lock);
158 		man = ttm_manager_type(bdev, i);
178 	spin_unlock(&bdev->lru_lock);
186  * @bdev: A pointer to a struct ttm_device to initialize.
198 int ttm_device_init(struct ttm_device *bdev, const struct ttm_device_funcs *funcs,
213 	bdev->wq = alloc_workqueue("ttm",
215 	if (!bdev->wq) {
220 	bdev->funcs = funcs;
222 	ttm_sys_man_init(bdev);
229 	ttm_pool_init(&bdev->pool, dev, nid, use_dma_alloc, use_dma32);
231 	bdev->vma_manager = vma_manager;
232 	spin_lock_init(&bdev->lru_lock);
233 	INIT_LIST_HEAD(&bdev->pinned);
234 	bdev->dev_mapping = mapping;
236 	list_add_tail(&bdev->device_list, &glob->device_list);
243 void ttm_device_fini(struct ttm_device *bdev)
249 	list_del(&bdev->device_list);
252 	drain_workqueue(bdev->wq);
253 	destroy_workqueue(bdev->wq);
255 	man = ttm_manager_type(bdev, TTM_PL_SYSTEM);
257 	ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, NULL);
259 	spin_lock(&bdev->lru_lock);
263 	spin_unlock(&bdev->lru_lock);
265 	ttm_pool_fini(&bdev->pool);
270 static void ttm_device_clear_lru_dma_mappings(struct ttm_device *bdev,
275 	spin_lock(&bdev->lru_lock);
284 		spin_unlock(&bdev->lru_lock);
287 			ttm_tt_unpopulate(bo->bdev, bo->ttm);
290 		spin_lock(&bdev->lru_lock);
292 	spin_unlock(&bdev->lru_lock);
295 void ttm_device_clear_dma_mappings(struct ttm_device *bdev)
300 	ttm_device_clear_lru_dma_mappings(bdev, &bdev->pinned);
303 		man = ttm_manager_type(bdev, i);
308 			ttm_device_clear_lru_dma_mappings(bdev, &man->lru[j]);