| From fea456d82c19d201c21313864105876deabe148b Mon Sep 17 00:00:00 2001 |
| From: Dave Airlie <airlied@redhat.com> |
| Date: Tue, 20 Oct 2020 08:22:53 +1000 |
| Subject: drm/ttm: fix eviction valuable range check. |
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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 Kรถnig <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 |
| @@ -694,7 +694,7 @@ 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; |
| |
