Re: [PATCH v4 1/2] media: dt-bindings: mediatek: Rename child node names for decoder

[Krzysztof Kozlowski]

On 24/11/2022 12:05, Hans Verkuil wrote:
> Hi Krzysztof,
> 
> On 05/10/2022 13:58, Allen-KH Cheng (程冠勳) wrote:
>> Hi Krzysztof,
>>
>> On Wed, 2022-10-05 at 09:30 +0200, Krzysztof Kozlowski wrote:
>>> On 05/10/2022 09:21, Allen-KH Cheng (程冠勳) wrote:
>>>> Hi Rob,
>>>>
>>>> On Fri, 2022-09-30 at 17:00 -0500, Rob Herring wrote:
>>>>> On Fri, Sep 30, 2022 at 07:22:36PM +0800, Allen-KH Cheng wrote:
>>>>>> In order to make the names of the child nodes more generic, we
>>>>>> rename
>>>>>> "vcodec" to "video-codec" for decoder in patternProperties and
>>>>>> example.
>>>>>
>>>>> They are either generic or they aren't. Until something generic
>>>>> is 
>>>>> defined, I don't think it's worth the churn to change.
>>>>>
>>>>>
>>>>>> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@xxxxxxxxxxxx>
>>>>>> Reviewed-by: AngeloGioacchino Del Regno <
>>>>>> angelogioacchino.delregno@xxxxxxxxxxxxx>
>>>>>> ---
>>>>>>  .../bindings/media/mediatek,vcodec-subdev-decoder.yaml    | 8
>>>>>> ++++----
>>>>>>  1 file changed, 4 insertions(+), 4 deletions(-)
>>>>>>
>>>>>> diff --git
>>>>>> a/Documentation/devicetree/bindings/media/mediatek,vcodec-
>>>>>> subdev-
>>>>>> decoder.yaml
>>>>>> b/Documentation/devicetree/bindings/media/mediatek,vcodec-
>>>>>> subdev-
>>>>>> decoder.yaml
>>>>>> index c4f20acdc1f8..67fde48f991c 100644
>>>>>> --- a/Documentation/devicetree/bindings/media/mediatek,vcodec-
>>>>>> subdev-decoder.yaml
>>>>>> +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-
>>>>>> subdev-decoder.yaml
>>>>>> @@ -91,7 +91,7 @@ properties:
>>>>>>  
>>>>>>  # Required child node:
>>>>>>  patternProperties:
>>>>>> -  '^vcodec-lat@[0-9a-f]+$':
>>>>>> +  '^video-codec-lat@[0-9a-f]+$':
>>>>>
>>>>> Just 'video-codec' doesn't work?
>>>>>
>>>>
>>>> Thanks for your reply.
>>>>
>>>> hmm, I think 'vidoe-codec' does wrok.
>>>>
>>>> There are two seperate hardwares for the MTK video codec.
>>>> codec-lat and codec-core.
>>>>
>>>> Is it ok to keep two child node names for various hardwares?
>>>>
>>>
>>> Aren't they still codecs?
>>>
>>> Best regards,
>>> Krzysztof
>>
>> Yes, They are both hardware deocders. Lat is responsible for the
>> bitstream and write the outcome to the lat buffer. Core will decode the
>> lat buffer and write the outcome to the output buffer. Each frame will
>> be decoded cyclically by these two hardware deocders.
> 
> So is this patch OK to be merged? Or do you still want changes?

The patch should be changed as Rob pointed out - use "video-codec" name.

Best regards,
Krzysztof