[PATCH] drm/ttm: fix warning after moving resource to ghost obj

[Christian König]

After we moved the resource to the ghost the bo->resource pointer needs
to be resetted since the owner of the resource is now the ghost.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo_util.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 1b326e70cb02..a2b97cd84d8f 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -603,6 +603,7 @@ static int ttm_bo_move_to_ghost(struct ttm_buffer_object *bo,
 		ghost_obj->ttm = NULL;
 	else
 		bo->ttm = NULL;
+	bo->resource = NULL;
 
 	dma_resv_unlock(&ghost_obj->base._resv);
 	ttm_bo_put(ghost_obj);
-- 
2.25.1