openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/ttm: fix eviction valuable range check. 

This was adding size to start, but pfn and start are in pages,
so it should be using num_pages.

Not sure this fixes anything in the real world, just noticed it
during refactoring.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20201019222257.1684769-2-airlied@gmail.com
This commit is contained in:
Dave Airlie 2020-10-20 08:22:53 +10:00
parent 7e13256dfe
commit fea456d82c
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/ttm/ttm_bo.c
View File

@ -647,7 +647,7 @@ bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
/* Don't evict this BO if it's outside of the
* requested placement range
*/
if (place->fpfn >= (bo->mem.start + bo->mem.size) ||
if (place->fpfn >= (bo->mem.start + bo->mem.num_pages) ||
(place->lpfn && place->lpfn <= bo->mem.start))
return false;