On Thu, Apr 22, 2021 at 04:37:49PM +0800, Shiwu Zhang wrote:
> Signed-off-by: Shiwu Zhang <shiwu.zh...@amd.com>

Cc: sta...@vger.kernel.org or at least Fixes: tag?

Zero length commit message for something that claims to be a bugfix is
probably too short :-)
-Daniel

> ---
>  drivers/gpu/drm/ttm/ttm_device.c | 2 +-
>  drivers/gpu/drm/ttm/ttm_tt.c     | 2 ++
>  2 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/ttm/ttm_device.c 
> b/drivers/gpu/drm/ttm/ttm_device.c
> index 1f2024164d72..5dc92b056f0a 100644
> --- a/drivers/gpu/drm/ttm/ttm_device.c
> +++ b/drivers/gpu/drm/ttm/ttm_device.c
> @@ -112,7 +112,7 @@ int ttm_global_swapout(struct ttm_operation_ctx *ctx, 
> gfp_t gfp_flags)
>  {
>       struct ttm_global *glob = &ttm_glob;
>       struct ttm_device *bdev;
> -     int ret = -EBUSY;
> +     int ret = 0;
>  
>       mutex_lock(&ttm_global_mutex);
>       list_for_each_entry(bdev, &glob->device_list, device_list) {
> diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
> index 48c407cff112..539e0232cb3b 100644
> --- a/drivers/gpu/drm/ttm/ttm_tt.c
> +++ b/drivers/gpu/drm/ttm/ttm_tt.c
> @@ -329,6 +329,8 @@ int ttm_tt_populate(struct ttm_device *bdev,
>              ttm_dma32_pages_limit) {
>  
>               ret = ttm_global_swapout(ctx, GFP_KERNEL);
> +             if (ret == 0)
> +                     break;
>               if (ret < 0)
>                       goto error;
>       }
> -- 
> 2.17.1
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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