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Message-ID: <1cb2b1d0-86d4-3f8f-d4cc-73d29c454619@quicinc.com>
Date:   Wed, 28 Jun 2023 13:27:55 -0700
From:   Abhinav Kumar <quic_abhinavk@...cinc.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        "Bjorn Andersson" <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        "Stephen Boyd" <sboyd@...nel.org>, Rob Clark <robdclark@...il.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        Taniya Das <quic_tdas@...cinc.com>
CC:     <devicetree@...r.kernel.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>,
        "Krzysztof Kozlowski" <krzk@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        "Lux Aliaga" <they@...t.lgbt>,
        Martin Botka <martin.botka@...ainline.org>,
        <~postmarketos/upstreaming@...ts.sr.ht>,
        <freedreno@...ts.freedesktop.org>, <linux-clk@...r.kernel.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: Re: [Freedreno] [PATCH 06/15] dt-bindings: display/msm: sc7180-dpu:
 Describe SM6125



On 6/26/2023 7:04 AM, Dmitry Baryshkov wrote:
> On 24/06/2023 03:41, Marijn Suijten wrote:
>> SM6125 is identical to SM6375 except that while downstream also defines
>> a throttle clock, its presence results in timeouts whereas SM6375
>> requires it to not observe any timeouts.
> 
> I see that the vendor DTS still references this clock.
> 
> Abhinav, Tanya, do possibly know what can be wrong here?
> 

 From display side, we just enable it without any specific vote. Seeing 
timeouts without it makes sense but not with it.

I dont have experience with this family of chipsets and this clock is 
specific to this family of chipsets.

Will reach out to folks who might have a better idea about this clock 
and update with possible suggestions.

Unless ... tanya has more suggestions.

>>
>> Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
>> ---
>>   Documentation/devicetree/bindings/display/msm/qcom,sc7180-dpu.yaml | 
>> 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git 
>> a/Documentation/devicetree/bindings/display/msm/qcom,sc7180-dpu.yaml 
>> b/Documentation/devicetree/bindings/display/msm/qcom,sc7180-dpu.yaml
>> index 630b11480496..6d2ba9a1cca1 100644
>> --- a/Documentation/devicetree/bindings/display/msm/qcom,sc7180-dpu.yaml
>> +++ b/Documentation/devicetree/bindings/display/msm/qcom,sc7180-dpu.yaml
>> @@ -15,6 +15,7 @@ properties:
>>     compatible:
>>       enum:
>>         - qcom,sc7180-dpu
>> +      - qcom,sm6125-dpu
>>         - qcom,sm6350-dpu
>>         - qcom,sm6375-dpu
>>
> 

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