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drm/ttm: fix eviction valuable range check.
author
Dave Airlie
<airlied@redhat.com>
Mon, 19 Oct 2020 22:22:53 +0000
(08:22 +1000)
committer
Dave Airlie
<airlied@redhat.com>
Tue, 20 Oct 2020 20:59:07 +0000
(06:59 +1000)
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
drivers/gpu/drm/ttm/ttm_bo.c
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diff --git
a/drivers/gpu/drm/ttm/ttm_bo.c
b/drivers/gpu/drm/ttm/ttm_bo.c
index
70b3bee
..
eb4b7df
100644
(file)
--- a/
drivers/gpu/drm/ttm/ttm_bo.c
+++ b/
drivers/gpu/drm/ttm/ttm_bo.c
@@
-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;