linux-kernel - Re: [PATCH v2 05/13] arm64: dts: qcom: sdm845-lg-judyln: Add display panel

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Message-ID: <fd8bf93e-f6e5-45a3-8e7c-7e63a918809a@oss.qualcomm.com>
Date: Tue, 7 Oct 2025 15:53:46 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Paul Sajna <sajattack@...tmarketos.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, David Heidelberg <david@...t.cz>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
        Amir Dahan <system64fumo@...tonmail.com>,
        Christopher Brown <crispybrown@...il.com>
Subject: Re: [PATCH v2 05/13] arm64: dts: qcom: sdm845-lg-judyln: Add display
 panel

On 9/18/25 3:38 AM, Paul Sajna wrote:
> September 17, 2025 at 1:50 PM, "Konrad Dybcio" <konrad.dybcio@....qualcomm.com mailto:konrad.dybcio@....qualcomm.com?to=%22Konrad%20Dybcio%22%20%3Ckonrad.dybcio%40oss.qualcomm.com%3E > wrote
> 
> 
>>
>> The vendor kernel (for Sony phones at least) does pull-down on both
>> active and sleep, making them the same
>>
>> Konrad
>>
>>>
>>> + };
>>>  +
>>>  + sde_te_sleep: sde-te-sleep-state {
>>>  + pins = "gpio10";
>>>  + function = "mdp_vsync";
>>>  + drive-strength = <2>;
>>>  + bias-pull-down;
>>>  + };
>>>  };
>>>  
>>>  &uart6 {
>>>
>>
> 
> https://github.com/LineageOS/android_kernel_lge_sdm845/blob/lineage-22.2/arch/arm64/boot/dts/lge/sdm845-judy/sdm845-judy_common/sdm845-judy_common-pinctrl.dtsi#L109-L148

Take a look at these lines instead

https://github.com/LineageOS/android_kernel_lge_sdm845/blob/lineage-22.2/arch/arm64/boot/dts/lge/sdm845-judy/sdm845-judy_common/sdm845-judy_common-pinctrl.dtsi#L137-L161

Konrad