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drm/ttm: fix eviction valuable range check. 

commit fea456d82c upstream.

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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Dave Airlie 2020-10-20 08:22:53 +10:00 committed by Greg Kroah-Hartman
parent b60edf37d5
commit b7e1a637ea
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/ttm/ttm_bo.c
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@ -761,7 +761,7 @@ 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;