drm/ttm: Do not add non-system domain BO into swap list

BO would be added into swap list if it is validated into system domain.
If BO is validated again into non-system domain, say, VRAM domain. It
actually should not be in the swap list.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210224032808.150465-1-xinhui.pan@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 101a68d..799ec7a 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -153,6 +153,8 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
 
                swap = &ttm_bo_glob.swap_lru[bo->priority];
                list_move_tail(&bo->swap, swap);
+       } else {
+               list_del_init(&bo->swap);
        }
 
        if (bdev->driver->del_from_lru_notify)