From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BDF89ECAAD8 for ; Tue, 20 Sep 2022 15:26:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=kNlM2ZNPf5kWc6Jvi1Au/3KgZGZ0lx2/hti33E4ut/8=; b=dHXSTlKWF4LRdc kNHgIiWnGdu/xWGdxRUtSGfFBNsCT5uPeymG1yEKKZ5fEmzzHh/neLuQ9uVdPmhJ3Lr/3wMzV0Ttx T7XWKNWBCoro/Ptp1hEz1+YYCqB9Ir3RfwR3/fhiym4c6AgortFj0qtep24/hT1hTtH1VD6w973X9 OqtBRYo+DTD+D4tuGmXUNSTUt2lif328QcVv1LrrVLAQwphzvCq95WCXnIJwTeFGYJ8hYi0Z4o5M6 fSW9eC+sUzQWhhTxWS/iXCRWqzho9jsOhjoKY3cO4uyJDiz5zw+yuaxSkpI8DVAm4qbSX4g45bRXy tfaGZWeYPjuoaFWTE8YQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oaf7e-004r40-I0; Tue, 20 Sep 2022 15:25:18 +0000 Received: from mail-lj1-x231.google.com ([2a00:1450:4864:20::231]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oaf7T-004r0Y-P6 for linux-arm-kernel@lists.infradead.org; Tue, 20 Sep 2022 15:25:15 +0000 Received: by mail-lj1-x231.google.com with SMTP id s10so3433778ljp.5 for ; Tue, 20 Sep 2022 08:25:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date; bh=DhU36xf+kkHEB9Z3O8FzZRfYoFwRwILvA55dsayFWs8=; b=a9N0xBcJWqgFz3GGJcXD8noE97lXy7QNax86oqqGfMegWL/Dh2tp9gz2Z3Ikqlukzv 3e+4GE+r5E07iK9mF5PrtLSQCkKDewNzSaZLdic4FZ672ohjn3Z4xIqIuNgP3zihMtet vB6027D4Y+e4Y3aLvPV4tJNYvNEG9s3Y4g3fUP6EmVfdChD8jr46ymBXbn6sD5PYwMSW 2QiCsGRFiCKAP3iaDo7gmf1+1bN3vhn9BPFkROD+laaz+nPyltaD3cDBhAbfrm0spB7Z bwKxuCE9boCqnhmqHhPQ4MyVzhUCkLoPeCKRbIba2oTAUI0ToIs39vvXjNMSbdHb3rP4 6PXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date; bh=DhU36xf+kkHEB9Z3O8FzZRfYoFwRwILvA55dsayFWs8=; b=HvlSd6NLQEk2ue/cgrCo79hXHetTE7yGPT2fDTce8fR5o6UxEWRUNQiTkjzBzw8jrE TOPm+8Dpsew6fR8qwK0VyGgBtj4LHjdgVgnBCT9t5R/zcT1mNOCl5+erOI4D11OVQLVx TjULEmqNxwlyMtW2RjUIPRqMyLHAwEVs0uMWxzWwZxjlBF0D7zQgSlspustoaoWy1e/Y F5dwApYB7B7xbrldyYPBaevT5uRVR2MgaxTsRo4FAQwoijUz7KqxHOY9K4EIu6/UaG5C uPnnphp+E8K88mVHc3qfNqVQCZxnP4BkrbDDBCbuFVJrl6Z0YVyKaqGvCKpSn6rY5S8E /Jkw== X-Gm-Message-State: ACrzQf3f7rJCFaVExbCcRtuMXbKtLKPk+4IBEcNWlgCclQJSgRM+g52Y 1vyBI6L555pjsUbwqLh2iQ3IGg== X-Google-Smtp-Source: AMsMyM6Cgpbl2F9f16R5noJsi+2UR6Jgk4PA7Ag+UQOv1ct+XWi4TWMoVvX8yvs6ZaX+q3DNo8e0LQ== X-Received: by 2002:a05:651c:10a7:b0:26c:5d3e:d040 with SMTP id k7-20020a05651c10a700b0026c5d3ed040mr900959ljn.182.1663687505132; Tue, 20 Sep 2022 08:25:05 -0700 (PDT) Received: from [192.168.0.21] (78-11-189-27.static.ip.netia.com.pl. [78.11.189.27]) by smtp.gmail.com with ESMTPSA id s30-20020a05651c201e00b0026c453c51b7sm7459ljo.68.2022.09.20.08.25.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 20 Sep 2022 08:25:04 -0700 (PDT) Message-ID: <65c93c5d-941a-267b-408d-95be83dc2454@linaro.org> Date: Tue, 20 Sep 2022 17:25:03 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.13.0 Subject: Re: [PATCH v3 1/6] dt-bindings: arm: mediatek: mmsys: change compatible for MT8195 Content-Language: en-US To: "Jason-JH.Lin" , Matthias Brugger , Chun-Kuang Hu , Rob Herring , Krzysztof Kozlowski , AngeloGioacchino Del Regno Cc: CK Hu , Rex-BC Chen , Singo Chang , Nancy Lin , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20220920140145.19973-1-jason-jh.lin@mediatek.com> <20220920140145.19973-2-jason-jh.lin@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <20220920140145.19973-2-jason-jh.lin@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220920_082513_514746_187F80B7 X-CRM114-Status: GOOD ( 21.24 ) 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 20/09/2022 16:01, Jason-JH.Lin wrote: > For previous MediaTek SoCs, such as MT8173, there are 2 display HW > pipelines binding to 1 mmsys with the same power domain, the same > clock driver and the same mediatek-drm driver. > > For MT8195, VDOSYS0 and VDOSYS1 are 2 display HW pipelines binding to > 2 different power domains, different clock drivers and different > mediatek-drm drivers. > > Moreover, Hardware pipeline of VDOSYS0 has these components: COLOR, > CCORR, AAL, GAMMA, DITHER. They are related to the PQ (Picture Quality) > and they makes VDOSYS0 supports PQ function while they are not > including in VDOSYS1. > > Hardware pipeline of VDOSYS1 has the component ETHDR (HDR related > component). It makes VDOSYS1 supports the HDR function while it's not > including in VDOSYS0. > > To summarize0: > Only VDOSYS0 can support PQ adjustment. > Only VDOSYS1 can support HDR adjustment. > > Therefore, we need to separate these two different mmsys hardwares to > 2 different compatibles for MT8195. > > Fixes: 81c5a41d10b9 ("dt-bindings: arm: mediatek: mmsys: add mt8195 SoC binding") > Signed-off-by: Jason-JH.Lin > Signed-off-by: Bo-Chen Chen > --- > .../devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml > index 6ad023eec193..df9184b6772c 100644 > --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml > +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml > @@ -38,6 +38,10 @@ properties: > - const: mediatek,mt7623-mmsys > - const: mediatek,mt2701-mmsys > - const: syscon > + - items: > + - const: mediatek,mt8195-vdosys0 > + - const: mediatek,mt8195-mmsys > + - const: syscon and why mediatek,mt8195-mmsys is kept as non-deprecated? Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel