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

drm/ttm: always keep BOs on the LRU

Browse Source 
This allows blocking for BOs to become available
in the memory management.

Amdgpu is doing this for quite a while now during CS. Now
apply the new behavior to all drivers using TTM.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/332878/
This commit is contained in:
Christian König
2019-09-19 12:56:15 +02:00
parent 7fb03cc3e0
commit 9165fb879f
15 changed files with 33 additions and 118 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
include/drm/ttm/ttm_bo_api.h
View File

@@ -360,30 +360,6 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
*/
void ttm_bo_put(struct ttm_buffer_object *bo);
/**
* ttm_bo_add_to_lru
*
* @bo: The buffer object.
*
* Add this bo to the relevant mem type lru and, if it's backed by
* system pages (ttms) to the swap list.
* This function must be called with struct ttm_bo_global::lru_lock held, and
* is typically called immediately prior to unreserving a bo.
*/
void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
/**
* ttm_bo_del_from_lru
*
* @bo: The buffer object.
*
* Remove this bo from 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 usually called just immediately after the bo has been reserved to
* avoid recursive reservation from lru lists.
*/
void ttm_bo_del_from_lru(struct ttm_buffer_object *bo);
/**
* ttm_bo_move_to_lru_tail
*