diff options
| author | Dave Airlie <airlied@redhat.com> | 2020-09-08 06:46:18 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-09-09 08:28:53 +1000 |
| commit | ecfe6953fa00115414a6fefe49023a1ebc187a98 (patch) | |
| tree | 3e52dbe04e22a22facc8586721a8cd0ed79a605f /include | |
| parent | 884e5cc1dd119d1761f6ea19e904a1492a81f9ee (diff) | |
drm/ttm: introduce ttm_bo_move_null
This pattern is cut-n-pasted across 4 drivers, switch it to
a WARN_ON instead, as BUG_ON is considered a bad idea usually.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200907204630.1406528-2-airlied@gmail.com
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index a694388f7b13..ebba282667ba 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -521,6 +521,23 @@ static inline void ttm_bo_move_to_lru_tail_unlocked(struct ttm_buffer_object *bo } /** + * ttm_bo_move_null = assign memory for a buffer object. + * @bo: The bo to assign the memory to + * @new_mem: The memory to be assigned. + * + * Assign the memory from new_mem to the memory of the buffer object bo. + */ +static inline void ttm_bo_move_null(struct ttm_buffer_object *bo, + struct ttm_resource *new_mem) +{ + struct ttm_resource *old_mem = &bo->mem; + + WARN_ON(old_mem->mm_node != NULL); + *old_mem = *new_mem; + new_mem->mm_node = NULL; +} + +/** * ttm_bo_unreserve * * @bo: A pointer to a struct ttm_buffer_object. |