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-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 8697abd7b173..0ac0a88860a4 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -498,9 +498,11 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
moved:
if (bo->evicted) {
- ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement);
- if (ret)
- pr_err("Can not flush read caches\n");
+ if (bdev->driver->invalidate_caches) {
+ ret = bdev->driver->invalidate_caches(bdev, bo->mem.placement);
+ if (ret)
+ pr_err("Can not flush read caches\n");
+ }
bo->evicted = false;
}