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

[Krzysztof Kozlowski <krzk@kernel.org>]

On 02/07/2025 13:55, Vikash Garodia wrote:
> 
> 
> On 7/2/2025 5:17 PM, Krzysztof Kozlowski wrote:
>> On 02/07/2025 13:45, Vikash Garodia wrote:
>>>
>>> On 7/2/2025 4:53 PM, Krzysztof Kozlowski wrote:
>>>> On 27/06/2025 17:48, Vikash Garodia wrote:
>>>>> +
>>>>>      video-codec@aa00000 {
>>>>>          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.
>>
>>
>> You changed the order of IOMMUs, so yes it is. Which interface works
>> well - FreeBSD? Or other? You are changing ABI for every user.
> Why do i need to change, when without changing would work as well ?
? I don't understand. I made a statement, not a question. You are doing
this - you are changing the ABI.

Which item was the first IOMMU before and which was second?

Which item is the first IOMMU now?

Best regards,
Krzysztof