xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/ttm: revise ttm_bo_move_to_lru_tail to support bulk moves

Browse Source 
When move a BO to the end of LRU, it need remember the BO positions.
Make sure all moved bo in between "first" and "last". And they will be bulk
moving together.

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:
Christian König
2018-08-06 17:05:30 +08:00
committed by Alex Deucher
parent 8c7655a0fd
commit 9a2779528e
3 changed files with 34 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/drm/ttm/ttm_bo_api.h
View File

@@ -51,6 +51,8 @@ struct ttm_placement;
struct ttm_place;
struct ttm_lru_bulk_move;
/**
* struct ttm_bus_placement
*
@@ -405,12 +407,14 @@ void ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
* ttm_bo_move_to_lru_tail
*
* @bo: The buffer object.
* @bulk: optional bulk move structure to remember BO positions
*
* 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.
*/
void ttm_bo_move_to_lru_tail(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_lock_delayed_workqueue