linux-kernel - Re: [PATCH v2 1/2] dt-bindings: display/msm: dsi-controller-main: Fix deprecated QCM2290 compatible

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Message-ID: <76de00dc-f128-e609-7f0c-b53161036b97@linaro.org>
Date:   Fri, 17 Feb 2023 22:16:52 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org
Cc:     marijn.suijten@...ainline.org, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: display/msm: dsi-controller-main: Fix
 deprecated QCM2290 compatible



On 17.02.2023 22:13, Bryan O'Donoghue wrote:
> On 17/02/2023 12:24, Krzysztof Kozlowski wrote:
>> First, it would be nice to know what was the intention of Bryan's commit?
> 
> Sorry I've been grazing this thread but, not responding.
> 
> - qcom,dsi-ctrl-6g-qcm2290
> 
> is non-compliant with qcom,socid-dsi-ctrl which is our desired naming convention, so that's what the deprecation is about i.e. moving this compat to "qcom,qcm2290-dsi-ctrl"
> 
> Actually I have the question why we are deciding to go with "sm6115" instead of "qcm2290" ?
> 
> The stamp on the package you receive from Thundercomm says "qcm2290" not "sm6115"
Correct, but QCM2290 is not supported upstream yet.

SM6115 (a different SoC) however is, but it used the qcm2290 compatible
as it was a convenient hack to get the DSI host ID recognized based on
the (identical-to-qcm2290) base register without additional driver changes.
We're now trying to untangle that mess..

Konrad
> 
> ?
> 
> ---
> bod
> 
>