linux-kernel - Re: [PATCH] drm: bridge: adv7511: Add missing bridge type

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Date:   Fri, 24 Jul 2020 04:30:24 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Sam Ravnborg <sam@...nborg.org>, linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Bogdan Togorean <bogdan.togorean@...log.com>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Rob Clark <robdclark@...omium.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm: bridge: adv7511: Add missing bridge type

Hi Vinod,

Thank you for the patch.

On Thu, Jul 23, 2020 at 04:15:23PM +0530, Vinod Koul wrote:
> Add bridge type as DRM_MODE_CONNECTOR_HDMIA
> 
> Signed-off-by: Vinod Koul <vkoul@...nel.org>

This has already been submitted: https://lore.kernel.org/dri-devel/20200720124228.12552-1-laurentiu.palcu@oss.nxp.com/

> ---
> 
> I found this when testing Dragon-board 410c which uses this bridge
> [    6.671913] msm 1a00000.mdss: [drm:msm_dsi_manager_ext_bridge_init [msm]] *ERROR* drm_bridge_connector_init failed: -22
> [    6.678879] msm 1a00000.mdss: [drm:msm_dsi_modeset_init [msm]] *ERROR* failed to create dsi connector: -19
> 
>  drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> index f45cdca9cce5..a0d392c338da 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> @@ -1283,6 +1283,7 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
>  	adv7511->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID
>  			    | DRM_BRIDGE_OP_HPD;
>  	adv7511->bridge.of_node = dev->of_node;
> +	adv7511->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
>  
>  	drm_bridge_add(&adv7511->bridge);
>  

-- 
Regards,

Laurent Pinchart