linux-kernel - Re: [PATCH v2 01/13] dt-bindings: display/msm: Document DP on QCS615

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Message-ID: <b810f0d9-b1e8-4182-9551-601b248d572d@kernel.org>
Date: Tue, 22 Jul 2025 11:23:05 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
 Xiangxu Yin <xiangxu.yin@....qualcomm.com>,
 Rob Clark <robin.clark@....qualcomm.com>, Dmitry Baryshkov
 <lumag@...nel.org>, Abhinav Kumar <abhinav.kumar@...ux.dev>,
 Jessica Zhang <jessica.zhang@....qualcomm.com>, Sean Paul <sean@...rly.run>,
 Marijn Suijten <marijn.suijten@...ainline.org>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Kuogee Hsieh <quic_khsieh@...cinc.com>,
 Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
 konrad.dybcio@....qualcomm.com, fange.zhang@....qualcomm.com,
 quic_lliu6@...cinc.com, quic_yongmou@...cinc.com
Subject: Re: [PATCH v2 01/13] dt-bindings: display/msm: Document DP on QCS615

On 22/07/2025 11:16, Dmitry Baryshkov wrote:
> On 22/07/2025 12:13, Krzysztof Kozlowski wrote:
>> On 22/07/2025 09:22, Xiangxu Yin wrote:
>>> The QCS615 platform is based on the SM6150 SoC. Since the DP hardware is
>>> shared with SM6150, the compatible string qcom,sm6150-dp is used to
>>> represent the DP controller on QCS615.
>>
>>
>> No, you cannot use other SoC compatible for different one. Look at
>> qcs615.dtsi and board DTS - there is nothing saying that this is the
>> same die.
> 
> Please take another look, we even have renamed qcs615.dtsi to sm6150.dtsi

I checked on recent next, although not latest next-20250716. Commit msg
should explain that. Any qcs615 feel then inappropriate here.

Subject says clearly "on QCS615". Patch does something completely else!

For gods sake how anyone can understand this?

Best regards,
Krzysztof