linux-kernel - Re: [PATCH v6 1/4] dt-bindings: display: msm: Add SM6150 DisplayPort controller

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <91b0be4d-9e09-49a2-8794-2ec1f191d03e@oss.qualcomm.com>
Date: Wed, 29 Oct 2025 16:51:55 +0800
From: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Rob Herring <robh@...nel.org>, Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar
 <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jesszhan0024@...il.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>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        fange.zhang@....qualcomm.com, yongxing.mou@....qualcomm.com,
        li.liu@....qualcomm.com
Subject: Re: [PATCH v6 1/4] dt-bindings: display: msm: Add SM6150 DisplayPort
 controller


On 10/29/2025 3:57 AM, Dmitry Baryshkov wrote:
> On Tue, Oct 28, 2025 at 01:06:52PM +0800, Xiangxu Yin wrote:
>> On 10/27/2025 11:26 PM, Rob Herring wrote:
>>> On Fri, Oct 24, 2025 at 01:21:01PM +0800, Xiangxu Yin wrote:
>>>> SM6150 uses the same DisplayPort controller as SM8150, which is already
>>>> compatible with SM8350. Add the SM6150-specific compatible string and
>>>> update the binding example accordingly.
>>>>
>>>> Signed-off-by: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
>>>> ---
>>>>  .../devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml      | 10 ++++++++++
>>>>  1 file changed, 10 insertions(+)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
>>>> index 9ac24f99d3ada1c197c9654dc9babebccae972ed..ba0dea2edea98cee0826cf38b3f33361666e004a 100644
>>>> --- a/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
>>>> +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm6150-mdss.yaml
>>>> @@ -51,6 +51,16 @@ patternProperties:
>>>>        compatible:
>>>>          const: qcom,sm6150-dpu
>>>>  
>>>> +  "^displayport-controller@[0-9a-f]+$":
>>>> +    type: object
>>>> +    additionalProperties: true
>>>> +    properties:
>>>> +      compatible:
>>>> +        items:
>>>> +          - const: qcom,sm6150-dp
>>>> +          - const: qcom,sm8150-dp
>>>> +          - const: qcom,sm8350-dp
>>> The actual schema will check the order. Here, just:
>>>
>>> compatible:
>>>   contains:
>>>     const: qcom,sm6150-dp
>>
>> My initial plan was to use only `qcom,sm6150-dp` with `contains` as suggested.
>>
>> But when I tried that, CHECK_DTBS schema check failed:
>> ‘displayport-controller@...0000:compatible: ['qcom,sm6150-dp', 'qcom,sm8150-dp', 'qcom,sm8350-dp'] is too long
>> from schema $id: http://devicetree.org/schemas/display/msm/qcom,sm6150-mdss.yaml’‘
>>
>> So, I have added all.
> Please use properties: compatible: contains: 


Ok, I missed the focus on the 'contains' syntax earlier. will update it in the next version.


>>
>>>> +
>>>>    "^dsi@[0-9a-f]+$":
>>>>      type: object
>>>>      additionalProperties: true
>>>>
>>>> -- 
>>>> 2.34.1
>>>>