On Thu, Apr 22, 2021 at 04:37:49PM +0800, Shiwu Zhang wrote:
> Signed-off-by: Shiwu Zhang <shiwu.zhang@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx 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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