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| author | Huang Rui <ray.huang@amd.com> | 2018-08-06 17:28:35 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-08-27 11:11:21 -0500 |
| commit | 7748e2dcdaad901776c0d78e76e066403e95513c (patch) | |
| tree | e8a8ee0313a5c957f2c5a5bf772b171d882f1d7f /include/drm | |
| parent | 9a2779528eddacf0123bfd7308b71141b54cc619 (diff) | |
| download | linux-7748e2dcdaad901776c0d78e76e066403e95513c.tar.gz linux-7748e2dcdaad901776c0d78e76e066403e95513c.tar.bz2 linux-7748e2dcdaad901776c0d78e76e066403e95513c.zip | |
drm/ttm: add bulk move function on LRU
This function allow us to bulk move a group of BOs to the tail of their LRU.
The positions of group of BOs are stored on the (first, last) bulk_move_pos
structure.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Tested-by: Mike Lothian <mike@fireburn.co.uk>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@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 0d4eb81423ee..8c19470785e2 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -417,6 +417,16 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo, struct ttm_lru_bulk_move *bulk); /** + * ttm_bo_bulk_move_lru_tail + * + * @bulk: bulk move structure + * + * Bulk move BOs to the LRU tail, only valid to use when driver makes sure that + * BO order never changes. Should be called with ttm_bo_global::lru_lock held. + */ +void ttm_bo_bulk_move_lru_tail(struct ttm_lru_bulk_move *bulk); + +/** * ttm_bo_lock_delayed_workqueue * * Prevent the delayed workqueue from running. |