Re: [PATCH v4 02/17] dt-bindings: gpu: Add Imagination Technologies PowerVR GPU

From: Krzysztof Kozlowski
Date: Tue Jul 18 2023 - 07:52:51 EST


On 18/07/2023 13:36, Frank Binns wrote:
> Hi Krzysztof,
>
> On Tue, 2023-07-18 at 13:10 +0200, Krzysztof Kozlowski wrote:
>> On 18/07/2023 13:08, Frank Binns wrote:
>>>> And this
>>>> items:
>>>> - const: gpu
>>>> can just be
>>>> const: gpu
>>>>
>>>> Although, if there is only one interrupt this is probably not
>>>> particularly helpful. Are there other implementations of this IP that
>>>> have more interrupts?
>>>
>>> No, all our current GPUs just have a single interrupt. I assume it's more future
>>> proof to keep the name in case that ever changes?
>>
>> Why do you need name in the first place? If there is single entry, the
>> name is pointless, especially if it repeats the name of the IP block.
>>
>>> As in, by having the name now
>>> we can make it a required property, which I guess we won't be able to do at some
>>> later point.
>>
>> Why even making it required?
>
> It seems nicer to look up a resource in the driver based on a name rather than
> an index.

Not really... Slower and confuses people, because then they think order
is flexible.


Best regards,
Krzysztof