diff options
Diffstat (limited to 'include/drm/ttm/ttm_bo_driver.h')
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 8145773c582c..6bbd34d25a8d 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -42,7 +42,7 @@ #include <linux/spinlock.h> #include <linux/reservation.h> -#define TTM_MAX_BO_PRIORITY 16U +#define TTM_MAX_BO_PRIORITY 4U struct ttm_backend_func { /** @@ -462,6 +462,15 @@ struct ttm_bo_driver { struct ttm_mem_reg *mem); void (*io_mem_free)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem); + + /** + * Return the pfn for a given page_offset inside the BO. + * + * @bo: the BO to look up the pfn for + * @page_offset: the offset to look up + */ + unsigned long (*io_mem_pfn)(struct ttm_buffer_object *bo, + unsigned long page_offset); }; /** |