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

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Message-ID: <a4eaccfd-34ba-15f3-033f-165b46c43317@linaro.org>
Date:   Fri, 17 Feb 2023 12:32:21 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     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>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        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 12:30, Krzysztof Kozlowski wrote:
> On 17/02/2023 12:13, Konrad Dybcio wrote:
>> SM6115 previously erroneously added just "qcom,dsi-ctrl-6g-qcm2290",
>> without the generic fallback. Fix the deprecated binding to reflect
>> that.
>>
>> Fixes: 0c0f65c6dd44 ("dt-bindings: msm: dsi-controller-main: Add compatible strings for every current SoC")
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>> ---
>> Depends on (and should have been a part of):
>>
>> https://lore.kernel.org/linux-arm-msm/20230213121012.1768296-1-konrad.dybcio@linaro.org/
>>
>> v1 -> v2:
>> New patch
>>
>>  .../devicetree/bindings/display/msm/dsi-controller-main.yaml     | 1 -
>>  1 file changed, 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
>> index 41cdb631d305..ee19d780dea8 100644
>> --- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
>> +++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
>> @@ -37,7 +37,6 @@ properties:
>>        - items:
> 
> If this way stays, drop the items as it is just an enum.
> 
>>            - enum:
>>                - qcom,dsi-ctrl-6g-qcm2290
>> -          - const: qcom,mdss-dsi-ctrl
> 
> Wasn't then intention to deprecate both - qcm2290 and mdss - when used
> alone?
"qcom,dsi-ctrl-6g-qcm2290", "qcom,mdss-dsi-ctrl"

was never used. The only upstream usage of the 2290 compat
is in sm6115.dtsi:

compatible = "qcom,dsi-ctrl-6g-qcm2290";
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm64/boot/dts/qcom/sm6115.dtsi?h=next-20230217#n1221

Konrad
> 
> 
> Best regards,
> Krzysztof
>