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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EAF3CC0502A for ; Tue, 30 Aug 2022 09:13:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231175AbiH3JN1 (ORCPT ); Tue, 30 Aug 2022 05:13:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231189AbiH3JNZ (ORCPT ); Tue, 30 Aug 2022 05:13:25 -0400 Received: from mail-lf1-x12f.google.com (mail-lf1-x12f.google.com [IPv6:2a00:1450:4864:20::12f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85D11CE333 for ; Tue, 30 Aug 2022 02:13:22 -0700 (PDT) Received: by mail-lf1-x12f.google.com with SMTP id q7so14624057lfu.5 for ; Tue, 30 Aug 2022 02:13:21 -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; bh=85ddw98iKNFdMuScvqYcAwOPIMZilnqs6BhTFJ5fmQo=; b=RxXyqq8+0Sxkf95IUpCyHZevRPKgc/uV5kRhgHRSayzKqoncb1jP95k6uoqpB+Q7Ih XbDvlK7PdYc4wBljUVJm4e7bC6hgCSPMsCRiqAQT5lD/IYU2O6yQR6uF29h0OwYG5Jft lW+dJJNbBhSClZ4dtreIM5qESkCbodSoEsmYEC0Jt0OghwP+Au7FMDroyDf9vY38R105 jANwEVyNnrniE9bcocSlxFMaPHqTTp+j+S5uXy9c/c7zsy9JKWQK2j1uet5Td2os0RoZ hWLBySci78bEdowzZO29kvGhhxBSGFoGJHHxxIFzHWfj9GK78HFt/hsI9rADW/JLcgVD Iilw== 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; bh=85ddw98iKNFdMuScvqYcAwOPIMZilnqs6BhTFJ5fmQo=; b=FVwhumTQ+06MYN7NMi1WP+rMunbaAYiFnwX7TqWneYf9LC4gXeihklHZCfEEG/TAgJ 2D/GSApcZMlnaU8LpdCx/MCxz2zhQMan2Ei2C+ccZ+Za7Z7jxXZJYKdojMSy6Mx+/odt KCTMSe6vQCNr8HPyVRTN3rw8A7oioaX3Xe7dsCwqbXYzV79wP+T5lXj2+s3Ia0QP0Y1v EXYMCpL3smv2HFVb2cEbwWs2obB/uxkfjM0c6n5Xxsdo1ta0iSlhFVelF+YmkzmfSg9c gAZ5cdbJZlY7S7SgZFfklFOhwusc4y0kC+LdikOUpqNkxpWG93tcCtS1uBhSBVvuxsf9 xjeQ== X-Gm-Message-State: ACgBeo02c1HAZjR+psahLOkJQGvv4zZToQGIRvFpLVafV2odzZlXU/Tg BqF7UN7llSfPVGz7JU3d3D2fNw== X-Google-Smtp-Source: AA6agR6Epke9TZidjS+t7TVXu/nI8IDXuv2Zcj4qF33M58gVrL9aocLEX9bOQfB3mw2k5CxN4EZ2zg== X-Received: by 2002:a05:6512:4012:b0:492:c667:c899 with SMTP id br18-20020a056512401200b00492c667c899mr7177797lfb.48.1661850799778; Tue, 30 Aug 2022 02:13:19 -0700 (PDT) Received: from [192.168.28.124] (balticom-73-99-134.balticom.lv. [109.73.99.134]) by smtp.gmail.com with ESMTPSA id v1-20020a05651203a100b0049482adb3basm11931lfp.63.2022.08.30.02.13.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Aug 2022 02:13:19 -0700 (PDT) Message-ID: Date: Tue, 30 Aug 2022 12:13:18 +0300 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 v2 3/3] arm64: dts: Modify gamma compatible for mt8195 Content-Language: en-US To: "zheng-yan.chen" , Chun-Kuang Hu , Rob Herring , Krzysztof Kozlowski , Matthias Brugger Cc: 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, "Jason-JH . Lin" , Singo Chang , Project_Global_Chrome_Upstream_Group@mediatek.com References: <20220830063929.13390-1-zheng-yan.chen@mediatek.com> <20220830063929.13390-4-zheng-yan.chen@mediatek.com> From: Krzysztof Kozlowski In-Reply-To: <20220830063929.13390-4-zheng-yan.chen@mediatek.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 30/08/2022 09:39, zheng-yan.chen wrote: > Modify gamma compatible for mt8195. Commit should explain why. "What" we all can easily see. > > Fixes: 16590e634f1d ("arm64: dts: mt8195: Add display node for vdosys0") Your patchset is not bisectable and might cause ABI break. I doubt that it matches the criteria of backports, especially that you did not describe here bug being fixed. Drop the tag and explain reasons for ABI break. > Signed-off-by: zheng-yan.chen > --- > arch/arm64/boot/dts/mediatek/mt8195.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi > index a50ebb5d145f..d4110f6fac62 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi > @@ -2022,7 +2022,7 @@ > }; > > gamma0: gamma@1c006000 { > - compatible = "mediatek,mt8195-disp-gamma", "mediatek,mt8183-disp-gamma"; > + compatible = "mediatek,mt8195-disp-gamma"; > reg = <0 0x1c006000 0 0x1000>; > interrupts = ; > power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>; Best regards, Krzysztof