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| author | Christian König <christian.koenig@amd.com> | 2016-01-11 15:35:20 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-01-13 12:21:21 -0500 |
| commit | ab74961810ba7935b5f9643da10daaa36690f48e (patch) | |
| tree | e821b843633d9869e7a74c56c1ced05170d01acf /include/drm | |
| parent | ed704a43e84cc536081423dcd3491acf2791aaeb (diff) | |
| download | linux-stable-ab74961810ba7935b5f9643da10daaa36690f48e.tar.gz linux-stable-ab74961810ba7935b5f9643da10daaa36690f48e.tar.bz2 linux-stable-ab74961810ba7935b5f9643da10daaa36690f48e.zip | |
drm/ttm: add ttm_bo_move_to_lru_tail function v2
This allows the drivers to move a BO to the end of the LRU
without removing and adding it again.
v2: Make it more robust, handle pinned and swapable BOs as well.
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index c768ddfbe53c..afae2316bd43 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -383,6 +383,16 @@ extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo); */ extern int ttm_bo_del_from_lru(struct ttm_buffer_object *bo); +/** + * ttm_bo_move_to_lru_tail + * + * @bo: The buffer object. + * + * Move this BO to the tail of all lru lists used to lookup and reserve an + * object. This function must be called with struct ttm_bo_global::lru_lock + * held, and is used to make a BO less likely to be considered for eviction. + */ +extern void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo); /** * ttm_bo_lock_delayed_workqueue |