linux-kernel - Re: [PATCH v5 18/24] drm/ast: Provide ddc symlink in connector sysfs directory

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Message-ID: <f4c0432e-9223-54bc-c995-e0704555fc6e@suse.de>
Date:   Wed, 24 Jul 2019 19:17:33 +0200
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Andrzej Pietrasiewicz <andrzej.p@...labora.com>,
        dri-devel@...ts.freedesktop.org
Cc:     Sam Ravnborg <sam@...nborg.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        David Airlie <airlied@...ux.ie>,
        Douglas Anderson <dianders@...omium.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        kernel@...labora.com, linux-samsung-soc@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        Vincent Abriou <vincent.abriou@...com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>, Kukjin Kim <kgene@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Dave Airlie <airlied@...hat.com>,
        intel-gfx@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-tegra@...r.kernel.org, Jonas Karlman <jonas@...boo.se>,
        linux-arm-msm@...r.kernel.org,
        Mamta Shukla <mamtashukla555@...il.com>,
        linux-mediatek@...ts.infradead.org, Jyri Sarha <jsarha@...com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sean Paul <sean@...rly.run>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Allison Randal <allison@...utok.net>,
        linux-arm-kernel@...ts.infradead.org,
        Enrico Weigelt <info@...ux.net>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        amd-gfx@...ts.freedesktop.org,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Seung-Woo Kim <sw0312.kim@...sung.com>,
        linux-kernel@...r.kernel.org, Todor Tomov <todor.tomov@...aro.org>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Huang Rui <ray.huang@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alex Deucher <alexander.deucher@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Christian König <christian.koenig@....com>,
        Gerd Hoffmann <kraxel@...hat.com>
Subject: Re: [PATCH v5 18/24] drm/ast: Provide ddc symlink in connector sysfs
 directory



Am 24.07.19 um 15:59 schrieb Andrzej Pietrasiewicz:
> Use the ddc pointer provided by the generic connector.
> 
> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@...labora.com>
> ---
>  drivers/gpu/drm/ast/ast_mode.c | 13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
> index c792362024a5..1c899a6e87b7 100644
> --- a/drivers/gpu/drm/ast/ast_mode.c
> +++ b/drivers/gpu/drm/ast/ast_mode.c
> @@ -867,7 +867,14 @@ static int ast_connector_init(struct drm_device *dev)
>  		return -ENOMEM;
>  
>  	connector = &ast_connector->base;
> -	drm_connector_init(dev, connector, &ast_connector_funcs, DRM_MODE_CONNECTOR_VGA);
> +	ast_connector->i2c = ast_i2c_create(dev);
> +	if (!ast_connector->i2c)
> +		DRM_ERROR("failed to add ddc bus for connector\n");
> +
> +	drm_connector_init_with_ddc(dev, connector,
> +				    &ast_connector_funcs,
> +				    DRM_MODE_CONNECTOR_VGA,
> +				    &ast_connector->i2c->adapter);
>  
>  	drm_connector_helper_add(connector, &ast_connector_helper_funcs);
>  
> @@ -881,10 +888,6 @@ static int ast_connector_init(struct drm_device *dev)
>  	encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head);
>  	drm_connector_attach_encoder(connector, encoder);
>  
> -	ast_connector->i2c = ast_i2c_create(dev);
> -	if (!ast_connector->i2c)
> -		DRM_ERROR("failed to add ddc bus for connector\n");
> -
>  	return 0;
>  }
>  
> 

Reviewed-by: Thomas Zimmermann <tzimmermann@...e.de>

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Linux GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany
GF: Felix Imendörffer, Mary Higgins, Sri Rasiah
HRB 21284 (AG Nürnberg)



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