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[188.155.176.92]) by smtp.gmail.com with ESMTPSA id c21-20020aa7c995000000b0042617ba63d2sm7391578edt.92.2022.05.10.04.19.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 May 2022 04:19:44 -0700 (PDT) Message-ID: Date: Tue, 10 May 2022 13:19:42 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [PATCH v2 3/3] dt-bindings: mediatek: add ethdr definition for mt8195 Content-Language: en-US To: Rex-BC Chen , AngeloGioacchino Del Regno , "robh+dt@kernel.org" , "krzysztof.kozlowski+dt@linaro.org" , "chunkuang.hu@kernel.org" , "p.zabel@pengutronix.de" Cc: "airlied@linux.ie" , "matthias.bgg@gmail.com" , =?UTF-8?B?SmFzb24tSkggTGluICjmnpfnnb/npaUp?= , =?UTF-8?B?TmFuY3kgTGluICjmnpfmrKPonqIp?= , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "linux-mediatek@lists.infradead.org" , "linux-arm-kernel@lists.infradead.org" , Project_Global_Chrome_Upstream_Group References: <20220509044302.27878-1-rex-bc.chen@mediatek.com> <20220509044302.27878-4-rex-bc.chen@mediatek.com> <46bc32df-e4e8-ac47-426d-8056714f0d5c@linaro.org> <5462209c5afb0a638ed777ec1829bb2717c8d76e.camel@mediatek.com> <98505974-afad-9639-d4f2-814097b0523b@linaro.org> <85fcdcd0-e7c5-5192-9113-c69f9c3a6385@collabora.com> <2a480ca0cf640e59a12d55435d02cb3892035a35.camel@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <2a480ca0cf640e59a12d55435d02cb3892035a35.camel@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220510_041946_380588_6974AE4F X-CRM114-Status: GOOD ( 13.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 10/05/2022 03:46, Rex-BC Chen wrote: >> >> >> 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 > > Hello Krzysztof and Angelo, > > "ET" is actually meaningless. > ET is one of mediatek departments and it's where the engine from. > Therefore, I think we will add description like this: >> ETHDR (ET High Dynamic Range) is a MediaTek internal HDR engine and >> designed for HDR video... Sure, sounds good, but then the node name should not have it. Please try to find some more generic name (DT spec gives examples). Could be display-controller, "hdr-engine", "isp". Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel