diff options
Diffstat (limited to 'include/drm/ttm/ttm_bo.h')
| -rw-r--r-- | include/drm/ttm/ttm_bo.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_bo.h b/include/drm/ttm/ttm_bo.h index 1509268849c0..903cd1030110 100644 --- a/include/drm/ttm/ttm_bo.h +++ b/include/drm/ttm/ttm_bo.h @@ -226,6 +226,27 @@ s64 ttm_lru_walk_for_evict(struct ttm_lru_walk *walk, struct ttm_device *bdev, struct ttm_resource_manager *man, s64 target); /** + * struct ttm_bo_shrink_flags - flags to govern the bo shrinking behaviour + * @purge: Purge the content rather than backing it up. + * @writeback: Attempt to immediately write content to swap space. + * @allow_move: Allow moving to system before shrinking. This is typically + * not desired for zombie- or ghost objects (with zombie object meaning + * objects with a zero gem object refcount) + */ +struct ttm_bo_shrink_flags { + u32 purge : 1; + u32 writeback : 1; + u32 allow_move : 1; +}; + +long ttm_bo_shrink(struct ttm_operation_ctx *ctx, struct ttm_buffer_object *bo, + const struct ttm_bo_shrink_flags flags); + +bool ttm_bo_shrink_suitable(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx); + +bool ttm_bo_shrink_avoid_wait(void); + +/** * ttm_bo_get - reference a struct ttm_buffer_object * * @bo: The buffer object. |