linux-kernel - Re: [PATCH v4 2/4] arm64: dts: qcom: sc8280xp-crd: Introduce pmic

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Date:   Wed, 15 Feb 2023 09:23:47 -0800
From:   Bjorn Andersson <quic_bjorande@...cinc.com>
To:     Johan Hovold <johan@...nel.org>
CC:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 2/4] arm64: dts: qcom: sc8280xp-crd: Introduce
 pmic_glink

On Wed, Feb 15, 2023 at 10:47:40AM +0100, Johan Hovold wrote:
> On Mon, Feb 13, 2023 at 01:56:17PM -0800, Bjorn Andersson wrote:
[..]
> > +&mdss0_dp0_out {
> > +	data-lanes = <0 1>;
> 
> This does not work as the drm driver expects 'data-lanes' to be defined
> in the controller node where you had it in the previous versions:
> 
> 	[    6.669325] [drm] Invalid property "data-lanes", default max DP lanes = 4
> 
> Moving it to the endpoint nodes would require updating both binding and
> driver it seems.
> 

I will go back and double-check, but this should be taken care of in
d25cfeeec064 ("drm/msm/dp: parse data-lanes as property of dp_out
endpoint").

Regards,
Bjorn