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Commit 36beb0e4 authored by Dave Airlie's avatar Dave Airlie Committed by Greg Kroah-Hartman
Browse files

drm/ttm: fix eviction valuable range check. 



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: default avatarDave Airlie <airlied@redhat.com>
Reviewed-by: default avatarChristian 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: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7b971492

drivers/gpu/drm/ttm/ttm_bo.c

+1 −1
Original line number Diff line number Diff line
@@ -671,7 +671,7 @@ 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;