linux-kernel - Re: [PATCH 07/30] drm/bridge/analogix/anx78xx: Add missing drm_dp_aux

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Message-ID: <CAG3jFyt10Z_MVvvXyBfYFrN7_FQCOUywfLNXZbei2c=1DxvqhA@mail.gmail.com>
Date:   Fri, 19 Mar 2021 15:28:15 +0100
From:   Robert Foss <robert.foss@...aro.org>
To:     Lyude Paul <lyude@...hat.com>
Cc:     intel-gfx@...ts.freedesktop.org,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        amd-gfx@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Sam Ravnborg <sam@...nborg.org>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Torsten Duwe <duwe@....de>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 07/30] drm/bridge/analogix/anx78xx: Add missing
 drm_dp_aux_unregister() call

Hey Lyude,

Thanks for the patch, it looks good to me.

Reviewed-by: Robert Foss <robert.foss@...aro.org>

On Fri, 19 Feb 2021 at 22:56, Lyude Paul <lyude@...hat.com> wrote:
>
> Surprisingly, this bridge actually registers it's AUX adapter at the
> correct time already. Nice job! However, it does forget to actually
> unregister the AUX adapter, so let's add a bridge function to handle that.
>
> Signed-off-by: Lyude Paul <lyude@...hat.com>
> ---
>  drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
> index 81debd02c169..ec4607dc01eb 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
> +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
> @@ -942,6 +942,11 @@ static int anx78xx_bridge_attach(struct drm_bridge *bridge,
>         return 0;
>  }
>
> +static void anx78xx_bridge_detach(struct drm_bridge *bridge)
> +{
> +       drm_dp_aux_unregister(&bridge_to_anx78xx(bridge)->aux);
> +}
> +
>  static enum drm_mode_status
>  anx78xx_bridge_mode_valid(struct drm_bridge *bridge,
>                           const struct drm_display_info *info,
> @@ -1013,6 +1018,7 @@ static void anx78xx_bridge_enable(struct drm_bridge *bridge)
>
>  static const struct drm_bridge_funcs anx78xx_bridge_funcs = {
>         .attach = anx78xx_bridge_attach,
> +       .detach = anx78xx_bridge_detach,
>         .mode_valid = anx78xx_bridge_mode_valid,
>         .disable = anx78xx_bridge_disable,
>         .mode_set = anx78xx_bridge_mode_set,
> --
> 2.29.2
>