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authorChristian König <christian.koenig@amd.com>2018-08-06 17:05:30 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-08-27 11:11:21 -0500
commit9a2779528eddacf0123bfd7308b71141b54cc619 (patch)
treeefb7596bcfa08db39c788758c1402d27898598cc /include/drm/ttm
parentdrm/ttm: add helper structures for bulk moves on lru list (diff)
downloadwireguard-linux-9a2779528eddacf0123bfd7308b71141b54cc619.tar.xz
wireguard-linux-9a2779528eddacf0123bfd7308b71141b54cc619.zip
drm/ttm: revise ttm_bo_move_to_lru_tail to support bulk moves
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>
Diffstat (limited to 'include/drm/ttm')
-rw-r--r--include/drm/ttm/ttm_bo_api.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index a01ba2032f0e..0d4eb81423ee 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -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