linux-kernel - Re: [PATCH v1 7/8] dt-bindings: media: Add MT8189 mediatek,vcodec-encoder

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Message-ID: <31e72f14-bb61-411a-86c8-19c7212d2d31@kernel.org>
Date: Tue, 22 Jul 2025 13:09:09 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Kyrie Wu (吴晗) <Kyrie.Wu@...iatek.com>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
 George Sun (孙林) <George.Sun@...iatek.com>,
 Tiffany Lin (林慧珊) <tiffany.lin@...iatek.com>,
 "andrzejtp2010@...il.com" <andrzejtp2010@...il.com>,
 "nhebert@...omium.org" <nhebert@...omium.org>,
 "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
 "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 "mchehab@...nel.org" <mchehab@...nel.org>,
 "hverkuil@...all.nl" <hverkuil@...all.nl>,
 "nicolas.dufresne@...labora.com" <nicolas.dufresne@...labora.com>,
 Yunfei Dong (董云飞) <Yunfei.Dong@...iatek.com>,
 "conor+dt@...nel.org" <conor+dt@...nel.org>,
 Irui Wang (王瑞) <Irui.Wang@...iatek.com>,
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 <linux-arm-kernel@...ts.infradead.org>,
 "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
 "christophe.jaillet@...adoo.fr" <christophe.jaillet@...adoo.fr>,
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 Andrew-CT Chen (陳智迪)
 <Andrew-CT.Chen@...iatek.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 "neil.armstrong@...aro.org" <neil.armstrong@...aro.org>
Subject: Re: [PATCH v1 7/8] dt-bindings: media: Add MT8189
 mediatek,vcodec-encoder

On 22/07/2025 10:16, Kyrie Wu (吴晗) wrote:
> On Tue, 2025-07-22 at 09:26 +0200, Krzysztof Kozlowski wrote:
>> External email : Please do not click links or open attachments until
>> you have verified the sender or the content.
>>
>>
>> On Mon, Jul 21, 2025 at 06:55:19PM +0800, Kyrie Wu wrote:
>>> Add MT8189 encoder compatible string, which will reference SCP
>>> device.
>>
>> And the device is not compatible or is different because of what?
>>
>> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>>
>> Best regards,
>> Krzysztof
>>
> Dear Krzysztof,
> 
> The reason, adding a new compatible strings for the MT8189 encoder, is
> same as for decoder, to use different of_device_id data and to
> distinguish the chip name.

You speak about drivers, this is not relevant. Explain the hardware -
WHY it is not compatible, what is the difference

Best regards,
Krzysztof