Re: [PATCH v7 1/6] drm/client: Export drm_client_dev_unregister()

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On Fri, Mar 01, 2024 at 02:42:54PM +0100, Thomas Zimmermann wrote:
> Export drm_client_dev_unregister() for use by the i915 driver. The
> driver does not use drm_dev_unregister(),

Perhaps we should make i915 to call for the drm_dev_unregister since it calls
for drm_dev_register?

> so it has to clean up the
> in-kernel DRM clients by itself.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> ---
>  drivers/gpu/drm/drm_client.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c
> index 9403b3f576f7b..3d4f8b77d0789 100644
> --- a/drivers/gpu/drm/drm_client.c
> +++ b/drivers/gpu/drm/drm_client.c
> @@ -172,6 +172,18 @@ void drm_client_release(struct drm_client_dev *client)
>  }
>  EXPORT_SYMBOL(drm_client_release);
>  
> +/**
> + * drm_client_dev_unregister - Unregister clients
> + * @dev: DRM device
> + *
> + * This function releases all clients by calling each client's
> + * &drm_client_funcs.unregister callback. The callback function
> + * is responsibe for releaseing all resources including the client
> + * itself.
> + *
> + * The helper drm_dev_unregister() calls this function. Drivers
> + * that use it don't need to call this function themselves.
> + */
>  void drm_client_dev_unregister(struct drm_device *dev)
>  {
>  	struct drm_client_dev *client, *tmp;
> @@ -191,6 +203,7 @@ void drm_client_dev_unregister(struct drm_device *dev)
>  	}
>  	mutex_unlock(&dev->clientlist_mutex);
>  }
> +EXPORT_SYMBOL(drm_client_dev_unregister);
>  
>  /**
>   * drm_client_dev_hotplug - Send hotplug event to clients
> -- 
> 2.43.2
> 



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