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

[Alex Deucher]

On Tue, Feb 23, 2021 at 10:28 PM xinhui pan <xinhui.pan at amd.com> wrote:
>
> 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.
>
> Signed-off-by: xinhui pan <xinhui.pan at amd.com>

Acked-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/ttm/ttm_bo.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> index a97d41f4ce3c..3a10bebb75d6 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -111,6 +111,8 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
>
>                 swap = &ttm_glob.swap_lru[bo->priority];
>                 list_move_tail(&bo->swap, swap);
> +       } else {
> +               list_del_init(&bo->swap);
>         }
>
>         if (bdev->funcs->del_from_lru_notify)
> --
> 2.25.1
>
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