linux-kernel - Re: [PATCH 08/11] arm64: dts: qcom: sa8775p-ride: enable Display serial interface

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Message-ID: <42fe61c5-4552-406d-b698-aa766f57cfb3@quicinc.com>
Date: Tue, 4 Mar 2025 15:43:35 +0530
From: Ayushi Makhija <quic_amakhija@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.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>, <robdclark@...il.com>,
        <sean@...rly.run>, <marijn.suijten@...ainline.org>,
        <andersson@...nel.org>, <robh@...nel.org>, <robh+dt@...nel.org>,
        <krzk+dt@...nel.org>, <konradybcio@...nel.org>, <conor+dt@...nel.org>,
        <andrzej.hajda@...el.com>, <neil.armstrong@...aro.org>,
        <rfoss@...nel.org>, <Laurent.pinchart@...asonboard.com>,
        <jonas@...boo.se>, <jernej.skrabec@...il.com>,
        <quic_abhinavk@...cinc.com>, <quic_rajeevny@...cinc.com>,
        <quic_vproddut@...cinc.com>, <quic_jesszhan@...cinc.com>
Subject: Re: [PATCH 08/11] arm64: dts: qcom: sa8775p-ride: enable Display
 serial interface

On 3/4/2025 3:18 PM, Dmitry Baryshkov wrote:
> On Tue, 4 Mar 2025 at 10:45, Ayushi Makhija <quic_amakhija@...cinc.com> wrote:
>>
>> On 2/25/2025 11:25 PM, Dmitry Baryshkov wrote:
>>> On Tue, Feb 25, 2025 at 05:48:21PM +0530, Ayushi Makhija wrote:
>>>> Enable both DSI to DP bridge ports on SA8775P Ride plaftrom.
>>>>
>>>> Signed-off-by: Ayushi Makhija <quic_amakhija@...cinc.com>
>>>> ---
>>>>  arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi | 66 +++++++++++++++++++++-
>>>>  1 file changed, 64 insertions(+), 2 deletions(-)
>>>
>>> Please squash into the previous patch. It doesn't make a lot of sense separately.
>>>
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi b/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi
>>>> index 151f66512303..02d8a9c2c909 100644
>>>> --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi
>>>> +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi
>>>> @@ -128,6 +128,30 @@ dp1_connector_in: endpoint {
>>>>                      };
>>>>              };
>>>>      };
>>>> +
>>>> +    dsi0-connector {
>>>
>>> dpN-connector. It is not DSI.
>>
>> Hi Dmitry, Konrad
>>
>> Thanks, for the review.
>>
>> I will change dsi0-connector -> dp2-connector and dsi1-connector -> dp3-connector respectively.
> 
> Why? It's then dp-dsi0-connector. I think the board has DP2 and DP3
> (please correct me if I'm wrong). How would you name those if you use
> those indices for DSI connectors?
> 

Hi Dmitry,

Thanks, for the review.

yes, you are correct there are total 4 DP connectors and 2 DSI to DP connectors on the device, better to keep the node name as
dp-dsi0-connector and dp-dsi1-connector respectively.

Thanks,
Ayushi