diff options
Diffstat (limited to 'include/drm/ttm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 4 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 49b43c23636..5afa5b52063 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -247,9 +247,11 @@ struct ttm_buffer_object { atomic_t reserved; - /** * Members protected by the bo::lock + * In addition, setting sync_obj to anything else + * than NULL requires bo::reserved to be held. This allows for + * checking NULL while reserved but not holding bo::lock. */ void *sync_obj_arg; diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index e3371dbe6a1..d0ff529fedd 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -214,6 +214,8 @@ struct ttm_mem_type_manager_func { struct ttm_mem_reg *mem); void (*put_node)(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem); + void (*put_node_locked)(struct ttm_mem_type_manager *man, + struct ttm_mem_reg *mem); void (*debug)(struct ttm_mem_type_manager *man, const char *prefix); }; @@ -667,6 +669,8 @@ extern int ttm_bo_mem_space(struct ttm_buffer_object *bo, extern void ttm_bo_mem_put(struct ttm_buffer_object *bo, struct ttm_mem_reg *mem); +extern void ttm_bo_mem_put_locked(struct ttm_buffer_object *bo, + struct ttm_mem_reg *mem); /** * ttm_bo_wait_for_cpu |