linux-kernel - Re: [PATCH drm/hisilicon 3/3] drm/hisilicon: Releasing Resources in the Destroy callback Function

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Message-ID: <8dffa9f6-40ba-4d6b-a754-e6fbe59b84dc@suse.de>
Date:   Mon, 21 Sep 2020 09:26:19 +0200
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Tian Tao <tiantao6@...ilicon.com>, airlied@...ux.ie,
        daniel@...ll.ch, kraxel@...hat.com, alexander.deucher@....com,
        tglx@...utronix.de, dri-devel@...ts.freedesktop.org,
        xinliang.liu@...aro.org, linux-kernel@...r.kernel.org
Cc:     linuxarm@...wei.com
Subject: Re: [PATCH drm/hisilicon 3/3] drm/hisilicon: Releasing Resources in
 the Destroy callback Function

Hi

The code looks correcet, but I think this patch should be merged into
patch 2. Anyone who initializes the i2c adapter certainly wants it
cleaned up as well :)

Best regards
Thomas


Am 21.09.20 um 05:25 schrieb Tian Tao:
> Rewrite the desrtoy callback function to release resources.
> 
> Signed-off-by: Tian Tao <tiantao6@...ilicon.com>
> ---
>  drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> index e84d381..f1541ff 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
> @@ -47,6 +47,14 @@ static enum drm_mode_status hibmc_connector_mode_valid(struct drm_connector *con
>  	return MODE_OK;
>  }
>  
> +static void hibmc_connector_destroy(struct drm_connector *connector)
> +{
> +	struct hibmc_connector *hibmc_connector = to_hibmc_connector(connector);
> +
> +	i2c_del_adapter(&hibmc_connector->adapter);
> +	drm_connector_cleanup(connector);
> +}
> +
>  static const struct drm_connector_helper_funcs
>  	hibmc_connector_helper_funcs = {
>  	.get_modes = hibmc_connector_get_modes,
> @@ -55,7 +63,7 @@ static const struct drm_connector_helper_funcs
>  
>  static const struct drm_connector_funcs hibmc_connector_funcs = {
>  	.fill_modes = drm_helper_probe_single_connector_modes,
> -	.destroy = drm_connector_cleanup,
> +	.destroy = hibmc_connector_destroy,
>  	.reset = drm_atomic_helper_connector_reset,
>  	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
>  	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer



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