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=-11.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 2C09BC55185 for ; Wed, 22 Apr 2020 14:54:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0546E2076E for ; Wed, 22 Apr 2020 14:54:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MQM7awQI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726911AbgDVOy3 (ORCPT ); Wed, 22 Apr 2020 10:54:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726515AbgDVOy3 (ORCPT ); Wed, 22 Apr 2020 10:54:29 -0400 Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C08A8C03C1A9; Wed, 22 Apr 2020 07:54:28 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id n6so2576659ljg.12; Wed, 22 Apr 2020 07:54:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=j4IL19ri7V1Qm+D4j4fO28F9L9bRN2u0iPKVfin1/Rw=; b=MQM7awQI4I8Q7+FDbZ8+5oYMV4mYTyFU7tIcXKIItc38paWyJYiMvDYUQIfuHMuSMZ C/OIKvP4ooNyLGu/BAW/GOC8j57hJ1xor/l+npcNJz/+Zgj8fg2rB5/cPo0E5wi98hoi igU7eLXrmQJxTsmy2Q5RG5anHy6szn4ncvdM3rQEpKG8018kbnuc4zomlLvJvX6/i1dY /u0Osabm0g6LHVUvA8FDNKpqZBiuvQAWTnYMPwOQKBCHjOpSSQvSEzQrYI3fZk0j9av9 xzo9K6psHNRmjE5gS+yDmqjl6yx/X28ogwckVpiFIwRUAKbcqwngQ1MG/6ilwvV0L6QR FIwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=j4IL19ri7V1Qm+D4j4fO28F9L9bRN2u0iPKVfin1/Rw=; b=NBsBoALAsdv8DgNyy5/k7ekLNBd7ak+L80I1WXbbl8Wl2zaAIhte+/XhmUsrOBAC7K d0q53PpgbP1z7SZv1y0g+TlMrdrowzDbXiN/pcb68Px+geZA3x1OhAmgZAB7WwMW7W4j w3p7cLq9+MozYXlM6dTRldTkJynDZXXfDCQtY2TLSSXZs1UzpPBKjaLT0uk3oczWl32o u25+AEryBHRlh+0D++d7R/LjDM2hVoyttYT2rcMw9NMBnCMimdlcZigRna71jWyBH8MU HcSXfrNavwUYbMb39hk9eX5qXyz0f3EUPk3phjrFqADrnScGqPOHn0S6dQJDbEp4OG8T b1oA== X-Gm-Message-State: AGi0PuZf94GnQBXXtzb6QimMTbQeBP7syievs3JhtDS7NA6XTKtX5DY8 S3Vbhwl/bwY9RbLzEQT5sx4= X-Google-Smtp-Source: APiQypLSg8w8M7YXAsS/Bs4hQLKGrRg2Z7PqvsNZ0sH2NFAriwwxv6Ts0Q5ZnxnHB6XTkvqUIMokhQ== X-Received: by 2002:a2e:7301:: with SMTP id o1mr10636181ljc.264.1587567267052; Wed, 22 Apr 2020 07:54:27 -0700 (PDT) Received: from [172.16.20.20] ([87.200.95.144]) by smtp.gmail.com with ESMTPSA id 4sm4302900ljf.79.2020.04.22.07.54.23 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Apr 2020 07:54:26 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.14\)) Subject: Re: [v2] arm64: dts: meson: odroid-n2: extend cpu opp-points From: Christian Hewitt In-Reply-To: <20200418214223.GA4484@imac> Date: Wed, 22 Apr 2020 18:54:21 +0400 Cc: Neil Armstrong , khilman@baylibre.com, joy.cho@hardkernel.com, tobetter@gmail.com, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, mark.rutland@arm.com, robh+dt@kernel.org Content-Transfer-Encoding: quoted-printable Message-Id: <52230ECA-EA47-499D-B71C-FFCD374B75C3@gmail.com> References: <20200418214223.GA4484@imac> To: Tim Lewis X-Mailer: Apple Mail (2.3445.104.14) Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org > On 19 Apr 2020, at 1:42 am, Tim Lewis wrote: >=20 > Odroid N2 has a large heatsink and HardKernel supports overclock > through the addition to extra opp points in their official kernel > sources [1]. Add these to the N2 dts only, as other S922X devices > may not have suitable heatsinks. >=20 > [1] = https://github.com/hardkernel/linux/commit/f86cd9487c7483b2a05f448b9ebacf6= bd5a2ad2f > Signed-off-by: Tim Lewis Kodi is not a demanding workload, but the extra opp points are being = used: N2:~ # cat /sys/devices/system/cpu/cpufreq/policy0/stats/trans_table=20 =46rom : To : 100000 250000 500000 667000 1000000 1200000 = 1398000 1512000 1608000 1704000 1896000 1992000=20 100000: 0 20465 294 81 47 0 = 1 0 0 0 0 183=20 250000: 20388 0 161 52 59 0 = 0 0 1 0 1 169=20 500000: 199 256 0 9 47 1 = 2 0 0 0 0 57=20 667000: 177 50 10 0 284 1 = 1 0 0 0 0 136=20 1000000: 230 12 15 284 0 1 = 2 0 0 0 0 285=20 1200000: 0 0 0 1 0 0 = 0 0 0 1 0 2=20 1398000: 1 1 0 2 0 0 = 0 0 1 1 0 3=20 1512000: 0 0 0 0 0 0 = 0 0 0 1 0 2=20 1608000: 0 0 0 0 0 0 = 0 1 0 0 0 2=20 1704000: 0 1 0 0 0 0 = 1 0 0 0 0 2=20 1896000: 0 0 1 0 0 0 = 0 0 0 0 0 1=20 1992000: 76 47 90 230 392 0 = 2 2 1 1 1 0=20 N2:~ # cat /sys/devices/system/cpu/cpufreq/policy2/stats/trans_table=20 =46rom : To : 100000 250000 500000 667000 1000000 1200000 = 1398000 1512000 1608000 1704000 1800000 1908000=20 100000: 0 1698 130 76 87 0 = 0 0 1 0 1 199=20 250000: 1655 0 25 15 357 1 = 2 0 1 0 0 12=20 500000: 258 54 0 50102 30 3 = 1 0 0 0 1 32=20 667000: 267 151 49708 0 77 3 = 0 0 0 0 0 11=20 1000000: 3 5 525 15 0 3 = 2 0 1 1 0 6=20 1200000: 0 2 1 2 2 0 = 3 0 0 0 1 4=20 1398000: 1 0 1 1 4 0 = 0 1 1 0 2 2=20 1512000: 0 0 0 0 0 0 = 1 0 0 0 0 1=20 1608000: 1 0 0 1 0 1 = 0 0 0 0 0 3=20 1704000: 0 0 0 0 0 1 = 0 1 0 0 0 1=20 1800000: 0 0 1 1 0 0 = 1 0 1 0 0 1=20 1908000: 8 158 90 4 3 3 = 3 0 1 2 0 0=20 Board boots in under 4 seconds, Kodi home-screen in about 7 seconds. I = haven=E2=80=99t seen the N2 rise over 44=C2=BAC. I=E2=80=99ve also tested some S922X box devices (moving the change to = meson-g12b-s922x.dtsi) and no obvious issues. Tested-by: Christian Hewitt > --- > .../boot/dts/amlogic/meson-g12b-odroid-n2.dts | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) >=20 > diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts = b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts > index 42f154057..6f32ac83f 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts > +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts > @@ -260,6 +260,25 @@ > }; > }; > }; > + > + cpu_opp_table_0: opp-table-0 { > + opp-1992000000 { > + opp-hz =3D /bits/ 64 <1992000000>; > + opp-microvolt =3D <1001000>; > + }; > + }; > + > + cpub_opp_table_1: opp-table-1 { > + opp-1800000000 { > + opp-hz =3D /bits/ 64 <1800000000>; > + opp-microvolt =3D <981000>; > + }; > + > + opp-1908000000 { > + opp-hz =3D /bits/ 64 <1908000000>; > + opp-microvolt =3D <1022000>; > + }; > + }; > }; >=20 > &arb { > --=20 > 2.17.1 >=20