BO might sit in a wrong lru list as there is a small period of memory
moving and lru list updating.
Lets skip eviction if we hit such mismatch.
Suggested-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: xinhui pan <xinhui.pan@xxxxxxx>
---
drivers/gpu/drm/ttm/ttm_bo.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index e307004f0b28..0137a302f261 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -594,7 +594,8 @@ static bool ttm_bo_evict_swapout_allowable(struct ttm_buffer_object *bo,
*busy = !ret;
}
- if (ret && place && !bo->bdev->funcs->eviction_valuable(bo, place)) {
+ if (ret && place && (bo->resource->mem_type != place->mem_type ||
+ !bo->bdev->funcs->eviction_valuable(bo, place))) {
ret = false;
if (*locked) {
dma_resv_unlock(bo->base.resv);
--
2.25.1
