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drm/ttm: add bulk move function on LRU

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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>
This commit is contained in:
Huang Rui
2018-08-06 17:28:35 +08:00
committed by Alex Deucher
parent 9a2779528e
commit 7748e2dcda
2 changed files with 62 additions and 0 deletions
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10
include/drm/ttm/ttm_bo_api.h
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@@ -416,6 +416,16 @@ void ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
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
*