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=-5.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 72A7DC282DD for ; Wed, 8 Jan 2020 16:38:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 449D320692 for ; Wed, 8 Jan 2020 16:38:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="G4tD0yfY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727148AbgAHQii (ORCPT ); Wed, 8 Jan 2020 11:38:38 -0500 Received: from mail-qt1-f193.google.com ([209.85.160.193]:44360 "EHLO mail-qt1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727127AbgAHQii (ORCPT ); Wed, 8 Jan 2020 11:38:38 -0500 Received: by mail-qt1-f193.google.com with SMTP id t3so3249683qtr.11 for ; Wed, 08 Jan 2020 08:38:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=jdl/Zsr0GR9wBuZ25Y72IklTzgLcGojCcmTZU2xpvSg=; b=G4tD0yfYdDnfrLq6TvTy2oWfqDssiATWAjnbai2Baiw/Quy5iNNW4Wb0jpKPkKCHp8 bKgaCZWpKQBK2EXito5CHHhUVMbGGsyhUVwAy+Z5WmDXcpoSFgU5RUCsVL8HZdYdIskQ enww8n54r/Cr3zRuLMNxyjg/Voc1UBfl+nW3iBbuVO8+19RRH2sB0mVrROSidCk4stAB rNskIBBoPNw+JT65vN2St1iVJY40mJIcnMW8lv8AGwBQ+zGElhw5xqHiNyjwVDIJHQ2n et9YXENki5a9zFTTDZHtvwfUlZZsN2J29OE3p84aIlneYKpaFp2h0S6Kk+RRkrYwGaBa d0Pw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=jdl/Zsr0GR9wBuZ25Y72IklTzgLcGojCcmTZU2xpvSg=; b=mfYRrwk79oCrCulZ0OcyMsGJ9j0mv/EPQpsI1r3r2gtw5TsEGdD44x88e7I4yARodI 0cmidC8GV0JWgfyFEo4+G9l16t00jDLj+t5/pkQqXuyt22QmvIcnQU2wJPKI3K/Nr/NG OM70uVY7ZSEvGbUgb2brzUI0YkXbHheO/8msHKDwekrMS9UuFvm4PLO4TkG2Dp7EI9fC ZH3eOn5ti7iYYvyl/qzLxWoGHmiCYjvsL9OK9oOwjpoaz0GQLXV0i5gRliCKKntwRNGH C8zCdFQWEWh9EzAKX4lxQz64DQZyhLltS5rDcuHkE53dQAaU3rVruZ4LS5vJyN03Abbl uOxg== X-Gm-Message-State: APjAAAWzGEsoCzWZLZP3l5xSMkRZRQTCr7Y1LVDTgyLP3DZDlXvV24aF mUnp0SkJ1bV32EQQ3k/nRkpPfl+Sw2SV0DtKwj0= X-Google-Smtp-Source: APXvYqyf8ZmS/Vrjl6yL8Ikem4yqs1zjEZKOgvwH7KEFK407Kx1Ytf+6kPZx0dXkcS9x/BJ6H4WWaHdPjSKOMkHL7y8= X-Received: by 2002:ac8:5241:: with SMTP id y1mr4256795qtn.373.1578501517734; Wed, 08 Jan 2020 08:38:37 -0800 (PST) MIME-Version: 1.0 References: <20200108042018.571251-1-anarsoul@gmail.com> <20200108160402.u44odtfsuhiuytfl@gilmour.lan> In-Reply-To: <20200108160402.u44odtfsuhiuytfl@gilmour.lan> From: Vasily Khoruzhick Date: Wed, 8 Jan 2020 08:38:10 -0800 Message-ID: Subject: Re: [PATCH v2 0/4] arm64: allwinner: a64: Enable DVFS on A64 To: Maxime Ripard Cc: Chen-Yu Tsai , Rob Herring , Mark Rutland , arm-linux , devicetree Content-Type: text/plain; charset="UTF-8" Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, Jan 8, 2020 at 8:04 AM Maxime Ripard wrote: > > Hi, > > On Tue, Jan 07, 2020 at 08:20:14PM -0800, Vasily Khoruzhick wrote: > > This series introduces new DTSI with operating points for A64, > > adds cooling maps and thermal tripping points and enables DVFS > > on all the supported A64-based boards > > Thanks for that new series. > > I'm not sure I've seen the answer, but how did you test that the OPPs > were stable? I've been using them for close to 2 years and haven't seen any issues so far. > So far, the only method that proved to be reliable was to run > https://github.com/ssvb/cpuburn-arm/blob/master/cpufreq-ljt-stress-test > > Could you paste the result (one board should be enough) ? Here is a run on Pine64-LTS: https://gist.github.com/anarsoul/23c361b42bcdf4f2e23624f74c4c94bc Regards, Vasily > Thanks > Maxime