drm/ttm: wait for BO idle in ttm_bo_move_memcpy

When we want to pipeline accelerated moves we need to wait in the fallback path.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 0f4bcb0..434f239 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -320,7 +320,8 @@
 }
 
 int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
-		       bool evict, bool no_wait_gpu,
+		       bool evict, bool interruptible,
+		       bool no_wait_gpu,
 		       struct ttm_mem_reg *new_mem)
 {
 	struct ttm_bo_device *bdev = bo->bdev;
@@ -336,6 +337,10 @@
 	unsigned long add = 0;
 	int dir;
 
+	ret = ttm_bo_wait(bo, interruptible, no_wait_gpu);
+	if (ret)
+		return ret;
+
 	ret = ttm_mem_reg_ioremap(bdev, old_mem, &old_iomap);
 	if (ret)
 		return ret;