linux-kernel - Re: [PATCH v6 1/4] arm64: dts: qcom: add data-lanes and link-freuencies into dp

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Message-ID: <64107527-ff02-6743-cfb2-aedb4241d531@linaro.org>
Date:   Thu, 1 Dec 2022 19:36:20 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Kuogee Hsieh <quic_khsieh@...cinc.com>,
        dri-devel@...ts.freedesktop.org, robdclark@...il.com,
        sean@...rly.run, swboyd@...omium.org, dianders@...omium.org,
        vkoul@...nel.org, daniel@...ll.ch, airlied@...ux.ie,
        agross@...nel.org, bjorn.andersson@...aro.org
Cc:     quic_abhinavk@...cinc.com, quic_sbillaka@...cinc.com,
        freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 1/4] arm64: dts: qcom: add data-lanes and
 link-freuencies into dp_out endpoint

On 01/12/2022 19:34, Kuogee Hsieh wrote:
> 
> On 11/30/2022 4:07 PM, Dmitry Baryshkov wrote:
>> On 01/12/2022 01:51, Kuogee Hsieh wrote:
>>> Move data-lanes property from mdss_dp node to dp_out endpoint. Also
>>> add link-frequencies property into dp_out endpoint as well. The last
>>> frequency specified at link-frequencies will be the max link rate
>>> supported by DP.
>>>
>>> Changes in v5:
>>> -- revert changes at sc7180.dtsi and sc7280.dtsi
>>> -- add &dp_out to sc7180-trogdor.dtsi and sc7280-herobrine.dtsi
>>>
>>> Changes in v6:
>>> -- add data-lanes and link-frequencies to yaml
>>>
>>> Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
>>> ---
>>>   .../devicetree/bindings/display/msm/dp-controller.yaml  | 17 
>>> +++++++++++++++++
>>
>> Separate patch. Also you didn't check the get_maintainers output, so 
>> required parties were not included into the distribution.
>>
>> Also as you'd check the get_maintainers output, please fix other email 
>> addresses too.
>>
>>> arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi            |  6 +++++-
>>>   arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi          |  6 +++++-
>>>   3 files changed, 27 insertions(+), 2 deletions(-)
>>>
>>> diff --git 
>>> a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml 
>>> b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
>>> index 94bc6e1..af70343 100644
>>> --- a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
>>> +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml
>>> @@ -90,6 +90,20 @@ properties:
>>>           $ref: /schemas/graph.yaml#/properties/port
>>>           description: Output endpoint of the controller
>>>   +        properties:
>>> +          endpoint:
>>> +            $ref: /schemas/media/video-interfaces.yaml#
>>> +
>>> +          properties:
>>> +            link-frequencies: true
>>> +            data-lanes: true
>>
>> No. Use $ref for both of them.
>>
>>> +
>>> +          required:
>>> +            - link-frequencies
>>> +            - data-lanes
>>
>> No, they are not required.
>>
>>> +
>>> +          additionalProperties: false
>>> +
>>
>> deprecation of old data-lanes property?
> there is no old data-lanes property.

There is one:

$ grep -n data-lanes 
Documentation/devicetree/bindings/display/msm/dp-controller.yaml
82:  data-lanes:


-- 
With best wishes
Dmitry