lgtm
Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>
On Mon, 2019-04-22 at 19:56 -0400, sunpeng.li@xxxxxxx wrote:
> From: Leo Li <sunpeng.li@xxxxxxx>
>
> In preparation for adding aux devices for DP MST, make the IDR
> non-cyclic. That way, hotplug cycling MST devices won't needlessly
> increment the minor version index.
>
> Signed-off-by: Leo Li <sunpeng.li@xxxxxxx>
> ---
> drivers/gpu/drm/drm_dp_aux_dev.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_dp_aux_dev.c
> b/drivers/gpu/drm/drm_dp_aux_dev.c
> index 0e4f25d..6d84611 100644
> --- a/drivers/gpu/drm/drm_dp_aux_dev.c
> +++ b/drivers/gpu/drm/drm_dp_aux_dev.c
> @@ -80,8 +80,7 @@ static struct drm_dp_aux_dev *alloc_drm_dp_aux_dev(struct
> drm_dp_aux *aux)
> kref_init(&aux_dev->refcount);
>
> mutex_lock(&aux_idr_mutex);
> - index = idr_alloc_cyclic(&aux_idr, aux_dev, 0, DRM_AUX_MINORS,
> - GFP_KERNEL);
> + index = idr_alloc(&aux_idr, aux_dev, 0, DRM_AUX_MINORS, GFP_KERNEL);
> mutex_unlock(&aux_idr_mutex);
> if (index < 0) {
> kfree(aux_dev);
--
Cheers,
Lyude Paul
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