linux-kernel - Re: [PATCH v2 2/2] arm64: dts: qcom: sa8775p-ride: Enable Display Port

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Message-ID: <e7543055-316e-447e-ab0e-15d2fdd19dca@quicinc.com>
Date: Mon, 28 Oct 2024 14:18:51 +0530
From: Soutrik Mukhopadhyay <quic_mukhopad@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: <andersson@...nel.org>, <konradybcio@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_riteshk@...cinc.com>,
        <quic_vproddut@...cinc.com>, <quic_abhinavk@...cinc.com>
Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: sa8775p-ride: Enable Display
 Port


On 10/8/2024 5:46 PM, Dmitry Baryshkov wrote:
> On Tue, Oct 08, 2024 at 04:55:16PM GMT, Soutrik Mukhopadhyay wrote:
>> Enable DPTX0 and DPTX1 along with their corresponding PHYs for
>> sa8775p-ride platform.
> What is connected to those DP lanes? If they are routed directly to the
> DisplayPort connectors, please add corresponding devices (see
> dp-connector).


We are defining the functionality of gpio101 and gpio102 as "edp0_hot" 
and "edp1_hot"

respectively. This ensures that the hot plug will be directly routed via 
the display interrupt

line "mdss0" to the display port driver and no external dependencies on 
dp-connector is

necessary.


>   
>> Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi | 54 ++++++++++++++++++++++
>>   1 file changed, 54 insertions(+)
>>
>>