linux-kernel - Re: [PATCH v3 1/5] media: dt-bindings: add non-pixel property in iris schema

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Message-ID: <dc6e82a1-82be-b8b8-31c3-8b85447d4e43@quicinc.com>
Date: Wed, 2 Jul 2025 17:15:17 +0530
From: Vikash Garodia <quic_vgarodia@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
        Dikshita Agarwal
	<quic_dikshita@...cinc.com>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        "Bryan
 O'Donoghue" <bryan.odonoghue@...aro.org>,
        Mauro Carvalho Chehab
	<mchehab@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/5] media: dt-bindings: add non-pixel property in iris
 schema


On 7/2/2025 4:53 PM, Krzysztof Kozlowski wrote:
> On 27/06/2025 17:48, Vikash Garodia wrote:
>> +
>>      video-codec@...0000 {
>>          compatible = "qcom,sm8550-iris";
>>          reg = <0x0aa00000 0xf0000>;
>> @@ -144,12 +176,16 @@ examples:
>>          resets = <&gcc GCC_VIDEO_AXI0_CLK_ARES>;
>>          reset-names = "bus";
>>  
>> -        iommus = <&apps_smmu 0x1940 0x0000>,
>> -                 <&apps_smmu 0x1947 0x0000>;
>> +        iommus = <&apps_smmu 0x1947 0x0000>;
> 
> I missed, that's technically ABI break and nothing in commit msg
> explains that. You need to clearly explain the reasons and impact.
No, it is not. Interface works well with old or new approach.

> 
> Best regards,
> Krzysztof