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[78.11.189.27]) by smtp.gmail.com with ESMTPSA id be12-20020a056512250c00b00492ea54beeasm385297lfb.306.2022.09.28.00.04.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 28 Sep 2022 00:04:16 -0700 (PDT) Message-ID: <172e10ee-22fd-ccec-1a5a-7bd0a29dbfc4@linaro.org> Date: Wed, 28 Sep 2022 09:04:15 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: [PATCH v2] arm64: dts: mt8192: Add vcodec lat and core nodes Content-Language: en-US To: AngeloGioacchino Del Regno , =?UTF-8?B?QWxsZW4tS0ggQ2hlbmcgKOeoi+WGoOWLsyk=?= , "matthias.bgg@gmail.com" , "robh+dt@kernel.org" Cc: "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-mediatek@lists.infradead.org" , Project_Global_Chrome_Upstream_Group , "devicetree@vger.kernel.org" References: <20220926105047.19419-1-allen-kh.cheng@mediatek.com> <4d1e8600-f73d-8d2b-2e7a-1b75be7624bd@collabora.com> <05ed341b-2db3-620f-7a70-dcebfaa66f1a@collabora.com> From: Krzysztof Kozlowski In-Reply-To: <05ed341b-2db3-620f-7a70-dcebfaa66f1a@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220928_000421_050469_241DA782 X-CRM114-Status: GOOD ( 15.39 ) 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 27/09/2022 12:17, AngeloGioacchino Del Regno wrote: >>> >> >> Sorry, my bad. I alsways run `make dtbs_check` to confirm dtb with >> bindings. I just think we didn't limit node names in mtk-vodec >> bindings. I will pay attention next time. >> >> >> Since currently the vcodec lat and core nodes are absent from the mtk >> dts, do you think the child node name should be changed to something >> more general (ex: video-codec) in mediatek,vcodec-subdev-decoder >> bindings? > > The video codec is mt8192-vcodec-dec, while the other nodes are describing > the VPU instances (and/or vpu cores)... I'm not sure. > > Krzysztof, please, can you give your opinion on that? > What's the difference between them? I understand parent device is entire block of consisting of multiple processing units? If so, video-codec actually could fit in both places. But feel free to call it a bit different (video-codec-core, video-codec-lat, processing-unit, even something less generic). Sometimes it's tricky to find nice name, so I wouldn't worry too much in that case. Just not "mt8192-vcodec" :) Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel