diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index be0c0a01b929..480d23fa8099 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1405,8 +1405,8 @@ int ttm_bo_create(struct ttm_bo_device *bdev, } EXPORT_SYMBOL(ttm_bo_create); -static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev, - struct ttm_mem_type_manager *man) +int ttm_mem_type_manager_force_list_clean(struct ttm_bo_device *bdev, + struct ttm_mem_type_manager *man) { struct ttm_operation_ctx ctx = { .interruptible = false, @@ -1448,6 +1448,7 @@ static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev, return 0; } +EXPORT_SYMBOL(ttm_mem_type_manager_force_list_clean); int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type) { @@ -1470,13 +1471,14 @@ int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type) ret = 0; if (mem_type > 0) { - ret = ttm_bo_force_list_clean(bdev, man); + ret = ttm_mem_type_manager_force_list_clean(bdev, man); if (ret) { pr_err("Cleanup eviction failed\n"); return ret; } - ret = (*man->func->takedown)(man); + if (man->func->takedown) + ret = (*man->func->takedown)(man); } ttm_mem_type_manager_cleanup(man); @@ -1499,7 +1501,7 @@ int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type) return 0; } - return ttm_bo_force_list_clean(bdev, man); + return ttm_mem_type_manager_force_list_clean(bdev, man); } EXPORT_SYMBOL(ttm_bo_evict_mm); diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c index b56c6961b278..96da22be672b 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_manager.c +++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c @@ -129,7 +129,7 @@ int ttm_range_man_init(struct ttm_bo_device *bdev, } EXPORT_SYMBOL(ttm_range_man_init); -static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man) +static int ttm_bo_man_takedown_private(struct ttm_mem_type_manager *man) { struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; struct drm_mm *mm = &rman->mm; @@ -146,6 +146,23 @@ static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man) return -EBUSY; } +int ttm_range_man_fini(struct ttm_bo_device *bdev, + struct ttm_mem_type_manager *man) +{ + int ret; + + ttm_mem_type_manager_disable(man); + + ret = ttm_mem_type_manager_force_list_clean(bdev, man); + if (ret) + return ret; + + ttm_bo_man_takedown_private(man); + ttm_mem_type_manager_cleanup(man); + return 0; +} +EXPORT_SYMBOL(ttm_range_man_fini); + static void ttm_bo_man_debug(struct ttm_mem_type_manager *man, struct drm_printer *printer) { @@ -157,7 +174,7 @@ static void ttm_bo_man_debug(struct ttm_mem_type_manager *man, } static const struct ttm_mem_type_manager_func ttm_bo_manager_func = { - .takedown = ttm_bo_man_takedown, + .takedown = ttm_bo_man_takedown_private, .get_node = ttm_bo_man_get_node, .put_node = ttm_bo_man_put_node, .debug = ttm_bo_man_debug diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 30dfb9d5f6c9..811ace1416b3 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -717,6 +717,18 @@ static inline void ttm_mem_type_manager_cleanup(struct ttm_mem_type_manager *man man->move = NULL; } +/* + * ttm_mem_type_manager_force_list_clean + * + * @bdev - device to use + * @man - manager to use + * + * Force all the objects out of a memory manager until clean. + * Part of memory manager cleanup sequence. + */ +int ttm_mem_type_manager_force_list_clean(struct ttm_bo_device *bdev, + struct ttm_mem_type_manager *man); + /* * ttm_bo_util.c */ @@ -846,6 +858,17 @@ int ttm_range_man_init(struct ttm_bo_device *bdev, struct ttm_mem_type_manager *man, unsigned long p_size); +/** + * ttm_range_man_fini + * + * @bdev: ttm device + * @type: memory manager type + * + * Remove the generic range manager from a slot and tear it down. + */ +int ttm_range_man_fini(struct ttm_bo_device *bdev, + struct ttm_mem_type_manager *man); + /** * ttm_mem_type_manager_debug * @@ -854,4 +877,5 @@ int ttm_range_man_init(struct ttm_bo_device *bdev, */ void ttm_mem_type_manager_debug(struct ttm_mem_type_manager *man, struct drm_printer *p); + #endif