linux-kernel - Re: [PATCH v2 3/3] dt-bindings: mediatek: add ethdr definition for mt8195

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Message-ID: <85fcdcd0-e7c5-5192-9113-c69f9c3a6385@collabora.com>
Date:   Mon, 9 May 2022 12:50:33 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rex-BC Chen <rex-bc.chen@...iatek.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>
Cc:     "airlied@...ux.ie" <airlied@...ux.ie>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        Jason-JH Lin (林睿祥) 
        <Jason-JH.Lin@...iatek.com>,
        Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v2 3/3] dt-bindings: mediatek: add ethdr definition for
 mt8195

Il 09/05/22 12:44, Krzysztof Kozlowski ha scritto:
> On 09/05/2022 10:54, Rex-BC Chen wrote:
>>>> +    soc {
>>>> +        #address-cells = <2>;
>>>> +        #size-cells = <2>;
>>>> +
>>>> +        disp_ethdr@...14000 {
>>>
>>> No underscores in node name. Generic node names, so display-
>>> controller?
>>>
>>
>> OK, we will change the node name to ethdr like in dts
>> like this:
>> ethdr0: ethdr@...14000 {
>> ...
>> }
> 
> Is "ethdr" a generic name? Is it an abbreviation of "EnergyTrace™ High
> Dynamic Range"? If yes, it also looks specific to Texas Instruments...
> 
> Best regards,
> Krzysztof


That's mediatek-drm, and this refers to the HDR block in the display IP...

Though, I have no idea of what "ET" stands for in "ETHDR", so, it would be
definitely nice if MediaTek can write the meaning in the description, like

description:
   ETHDR (E??? T??? High Dynamic Range) is designed for HDR video and ...blah

Cheers,
Angelo