linux-kernel - Re: [PATCH] arm64: dts: rockchip: Disable CDN DP on Pinebook Pro

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Message-ID: <YXRVrY9LYU9aD3Vp@think.localdomain>
Date:   Sat, 23 Oct 2021 14:34:21 -0400
From:   Siva Mahadevan <me@...hdvn.name>
To:     Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>,
        "matthias.bgg@...nel.org" <matthias.bgg@...nel.org>
Cc:     devicetree@...r.kernel.org, Simon South <simon@...onsouth.net>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Guillaume Gardet <guillaume.gardet@....com>,
        linux-rockchip@...ts.infradead.org,
        Matthias Brugger <mbrugger@...e.com>
Subject: Re: [PATCH] arm64: dts: rockchip: Disable CDN DP on Pinebook Pro

Heiko Stuebner wrote:
> On Thu, 15 Jul 2021 18:41:01 +0200, matthias.bgg@...nel.org wrote:
> > The CDN DP needs a PHY and a extcon to work correctly. But no extcon is
> > provided by the device-tree, which leads to an error:
> > cdn-dp fec00000.dp: [drm:cdn_dp_probe [rockchipdrm]] *ERROR* missing extcon or phy
> > cdn-dp: probe of fec00000.dp failed with error -22
> > 
> > Disable the CDN DP to make graphic work on the Pinebook Pro.
> 
> Applied, thanks!
> 
> [1/1] arm64: dts: rockchip: Disable CDN DP on Pinebook Pro
>       commit: 714b35da2b6eace13bfe23ae02330e3b6a2ea4e7
> 
> Best regards,
> -- 
> Heiko Stuebner <heiko@...ech.de>

Will this patch be submitted to mainline? I can confirm on my pinebook
pro that this solves the issue.