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 X-Spam-Level: X-Spam-Status: No, score=-11.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97343C433EA for ; Fri, 10 Jul 2020 13:34:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7563320578 for ; Fri, 10 Jul 2020 13:34:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Q53oHFKs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727935AbgGJNed (ORCPT ); Fri, 10 Jul 2020 09:34:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727031AbgGJNec (ORCPT ); Fri, 10 Jul 2020 09:34:32 -0400 Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7036DC08C5CE; Fri, 10 Jul 2020 06:34:32 -0700 (PDT) Received: by mail-wm1-x344.google.com with SMTP id l2so5948889wmf.0; Fri, 10 Jul 2020 06:34:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=RNU/6302rcOODFLCEwANfmyQpoUQ2vOd8B0eKLChpSE=; b=Q53oHFKsaw4OCYx49+iBVCsst7Y23PSx8gEhnEI2UKg0iwX6IkQ0CBC6B0RDNn5s4d DK2QjnkLusfxi72FE6JTvMdjJ87VRBrt/0YbjVaWHPPx8YuwhYTkdQbYSP71h6RbKf6a 4lGKKX+4tqrHetgXHFWXML1Oub7m6pxY/GYXBIM6HBsbZsOlcQ71S+GucXslavCvZpvM RE750aTeLEev9RNXORjzl6/cRUCbh0g3Un2CFnxBLPcu8ez3dEp9IRDXRvRVEsi9YwgK E8+2ZZph3FZs0VJgREz+venk9okouoeUCh1cEh67QCjs5Fru0XTjiyJPZtkOub9rTFUY ELCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=RNU/6302rcOODFLCEwANfmyQpoUQ2vOd8B0eKLChpSE=; b=hCfAOdaTfhuTuZUxMRWN31e9miNnuLTRi+3j0Atge85m4kxh1bEB5ckIfpUcDZ3VUH EVdBrIVgiVx1CKHAhZ3DK8bcd9+Sg4l8K+wutdJ77IOW0gsQR3jwDqFPSWs0hneqipe2 VQCFtVjW3aHM30l6S7Dc9fo5Zf3fqBwn8TSh3r7o0nvMd3PC0AYxRJ7bnvT0vUfAk1oQ cxuPtoGq3AsvJtNxiY1DqY+FtuJBkOeDtiCAN49Fmi5Dhyw3WiHz/96Skz3sx+yUp9Qa T07emHwSNFiMwBRnqpTo4rwGNyXVSZm5oogIvdFQwq3UPjWVK5EBQSIEpWQ3FzJBt//k mPWA== X-Gm-Message-State: AOAM532pv/sf5pouT9LGTbPkVwivgZ+J/PFPjiVE6q4TyXKaq4bZ58DO dJWArZengAWsntC6PuCQBMw= X-Google-Smtp-Source: ABdhPJxwuzAwkiVu4PKL02+ytwiGtWwViRpoEp4epFrba7W8NasX5QwhcrD97o5Wahrp3YlAFpJopQ== X-Received: by 2002:a1c:96ce:: with SMTP id y197mr5118147wmd.86.1594388071128; Fri, 10 Jul 2020 06:34:31 -0700 (PDT) Received: from ziggy.stardust ([213.195.114.245]) by smtp.gmail.com with ESMTPSA id l3sm9911568wrx.22.2020.07.10.06.34.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Jul 2020 06:34:30 -0700 (PDT) Subject: Re: [PATCH] arm64: dts: mt8173: Re-measure capacity-dmips-mhz To: Hsin-Yi Wang Cc: "moderated list:ARM/Mediatek SoC support" , Rob Herring , Devicetree List , lkml , Enric Balletbo i Serra , Ikjoon Jang References: <20200706083705.2343150-1-hsinyi@chromium.org> <71bc5fa2-0869-5d91-6bb8-e8d59176e19c@gmail.com> From: Matthias Brugger Message-ID: Date: Fri, 10 Jul 2020 15:34:29 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 08/07/2020 20:55, Hsin-Yi Wang wrote: > On Thu, Jul 9, 2020 at 1:01 AM Matthias Brugger wrote: >> >> >> >> On 06/07/2020 10:37, Hsin-Yi Wang wrote: >>> Re measure capacity-dmips-mhz on elm and hana: >>> >>> cpu 1: 9502 DMIPS @ 1703 Mhz >>> cpu 3: 16250 DMIPS @ 2106 Mhz >>> >>> ==> 740 : 1024 >> >> I have some trouble to match the commit message to the actual patch. Commit >> message talks about cpu 1 but patch changes cpu0. Where are the values of the >> other CPUs? > > Small cpu on 8173 is cpu0 & cpu1, while big cpu is cpu2 & cpu3. > Small cpu: 9502 DMIPS @ 1703 Mhz > Big cpu: 16250 DMIPS @ 2106 Mhz > > 9502/1703 : 16250/2106 = 740 : 1024 (scale big cpu to 1024), and this patch > changes the small cpu value to 740. > > applied to v5.8-next/dts64 Thanks! > >> >> Regards, >> Matthias >> >>> >>> Signed-off-by: Hsin-Yi Wang >>> --- >>> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 4 ++-- >>> 1 file changed, 2 insertions(+), 2 deletions(-) >>> >>> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi >>> index 70b1ffcab7f0..5e046f9d48ce 100644 >>> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi >>> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi >>> @@ -167,7 +167,7 @@ cpu0: cpu@0 { >>> <&apmixedsys CLK_APMIXED_MAINPLL>; >>> clock-names = "cpu", "intermediate"; >>> operating-points-v2 = <&cluster0_opp>; >>> - capacity-dmips-mhz = <526>; >>> + capacity-dmips-mhz = <740>; >>> }; >>> >>> cpu1: cpu@1 { >>> @@ -182,7 +182,7 @@ cpu1: cpu@1 { >>> <&apmixedsys CLK_APMIXED_MAINPLL>; >>> clock-names = "cpu", "intermediate"; >>> operating-points-v2 = <&cluster0_opp>; >>> - capacity-dmips-mhz = <526>; >>> + capacity-dmips-mhz = <740>; >>> }; >>> >>> cpu2: cpu@100 { >>>