linux-kernel - Re: [RESEND v3 02/13] arm64: dts: mediatek: mt8195: add MDP3 nodes

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Message-ID: <ea718cd4-db3c-12a8-aac6-688d7189fbf9@linaro.org>
Date:   Mon, 16 Jan 2023 10:17:43 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Moudy Ho (何宗原) <Moudy.Ho@...iatek.com>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>
Cc:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [RESEND v3 02/13] arm64: dts: mediatek: mt8195: add MDP3 nodes

On 16/01/2023 10:14, Moudy Ho (何宗原) wrote:
>>> +		mdp3-fg0@...02000 {
>>
>> Node names should be generic.
>>
> https://urldefense.com/v3/__https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html*generic-names-recommendation__;Iw!!CTRNKA9wMg0ARbw!gmuIIk9pHTEGcVTtOXNeP3a8XUucoiTd5vTmxNK8lCHtytRDc3R8Eh44WOWNEUkJlv_pPCtg_DvPCHsCHNscg6_0cfJe$ 
>>  
>>
>> "0" suffix is definitely nothing generic. Drop such suffixes
>> everywhere.
>> Drop also "mdp3" prefix everywhere.
>>
>>
>> Best regards,
>> Krzysztof
>>
> 
> Hi Krzysztof,
> 
> May I uniformly name all MediaTek's media data path ver.3(MDP3) nodes
> as "mdp3@xxx"?

No, because it does not describe generic class of a device. Some nodes
are probably quite specific, thus we do not have generic names for them,
but then any prefixes are also not neeeded. If node is image-scaler, it
is just image-scaler, not "mdp3-image-scaler". If node is video-codec it
is not mdp3-video-codec. etc.

Best regards,
Krzysztof