| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 177/191] drm/ttm: fix eviction valuable range check. | Date | Tue, 3 Nov 2020 21:37:49 +0100 |
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From: Dave Airlie <airlied@redhat.com>
commit fea456d82c19d201c21313864105876deabe148b 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>
--- drivers/gpu/drm/ttm/ttm_bo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -671,7 +671,7 @@ bool ttm_bo_eviction_valuable(struct ttm /* 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;
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