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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 5DA0AC433B4 for ; Mon, 19 Apr 2021 19:19:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C73961360 for ; Mon, 19 Apr 2021 19:19:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241564AbhDSTU1 (ORCPT ); Mon, 19 Apr 2021 15:20:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239503AbhDSTU0 (ORCPT ); Mon, 19 Apr 2021 15:20:26 -0400 Received: from mail-oi1-x233.google.com (mail-oi1-x233.google.com [IPv6:2607:f8b0:4864:20::233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 797D9C06138A for ; Mon, 19 Apr 2021 12:19:55 -0700 (PDT) Received: by mail-oi1-x233.google.com with SMTP id e25so6598609oii.2 for ; Mon, 19 Apr 2021 12:19:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=ZbzeWV6GVD6eWJkyDTEOnuhwhKdeOlP9Hjos10f4Wck=; b=AG3GCPgSzQKPV5Ik9GoFJN6AeK5tu97CW+dY7p6heFhaMlgqS0SJclid86ifZoMha5 0D8IPMlfe1al7QHNtkOiYQK/APGpIbVTqdh+tMZXuvJmrOu1iuF1rdsfifpLdv28VzrP COMRHTOrn0kBhXvxtyJ/CtOG9DcbtzFD++l8kr0USzbDz3ADs2Py+4SsJqMqVfgiNuVt 7WLjUNU/gqrqMg4rpBi6dVaIYiATEW5QWj+c/nscurTwn4mb9lGKKJYQgz3lzuOa5Q7D 2J9hLk8QlADVj2KBTqiOVz2wEd+1I2g2GiwqFnOR3BAeGArlbCgBQxrnV8cOwzVjIdti IYHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=ZbzeWV6GVD6eWJkyDTEOnuhwhKdeOlP9Hjos10f4Wck=; b=dAEwCUKAVBveP9xxk7BSOy5i8O+/VGHLlvmKhg4jSjJ9rHF5b7AYBJiw0cfMKA8tem l6EepNx6q/1QkjWbfnWkztSnRbGRgDvd1ttlY+yrIEgIV97oXtzqw08FvUZSF2GNC6l2 7uz0dPI8Cr3MvXsQRBXd77mZc7npSJqqoqOygqyILa3u8dgsNL9OgDO2TiFCddtrZqSu viCzsvxwH1/jD9AYkftc61nNgAgv1g4rUQUqWmNkurtq7jaTVFQWBv1gTsJAuSkAKFeU jhWraqXHkTST8o46UNlEivsRG2nXYL0hIhh/vtUXKu8z6GxGsP2E1PnBjNNanZC8jkUk cftQ== X-Gm-Message-State: AOAM531mJ7EnM9+dYeIhqp5JjqZ6z5FPSuSX4sFSKhZBWBu6qTkvFo4+ dE5qqFtJnZsgMoygnbdGm2Gnog== X-Google-Smtp-Source: ABdhPJwkvLH1F188hbMXxG6v9qePRDH2A18GDCuL3t8TOIiiuq+kiy/JK1hmoTuAES8KAqW8cByPDQ== X-Received: by 2002:aca:e057:: with SMTP id x84mr427362oig.5.1618859994764; Mon, 19 Apr 2021 12:19:54 -0700 (PDT) Received: from yoga (104-57-184-186.lightspeed.austtx.sbcglobal.net. [104.57.184.186]) by smtp.gmail.com with ESMTPSA id p11sm3709901oti.53.2021.04.19.12.19.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Apr 2021 12:19:54 -0700 (PDT) Date: Mon, 19 Apr 2021 14:19:52 -0500 From: Bjorn Andersson To: AngeloGioacchino Del Regno Cc: viresh.kumar@linaro.org, agross@kernel.org, rjw@rjwysocki.net, devicetree@vger.kernel.org, robh+dt@kernel.org, amit.kucheria@linaro.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org, konrad.dybcio@somainline.org, marijn.suijten@somainline.org, martin.botka@somainline.org, jeffrey.l.hugo@gmail.com Subject: Re: [PATCH v4 6/7] cpufreq: qcom-hw: Allow getting the maximum transition latency for OPPs Message-ID: <20210419191952.GV1538589@yoga> References: <20210119174557.227318-1-angelogioacchino.delregno@somainline.org> <20210119174557.227318-7-angelogioacchino.delregno@somainline.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210119174557.227318-7-angelogioacchino.delregno@somainline.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 19 Jan 11:45 CST 2021, AngeloGioacchino Del Regno wrote: > In order to fine-tune the frequency scaling from various governors, > allow to set a maximum transition latency from OPPs, which may be > different depending on the SoC. > Acked-by: Bjorn Andersson Regards, Bjorn > Signed-off-by: AngeloGioacchino Del Regno > --- > drivers/cpufreq/qcom-cpufreq-hw.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c > index a92959bb7b50..5f67da796f6c 100644 > --- a/drivers/cpufreq/qcom-cpufreq-hw.c > +++ b/drivers/cpufreq/qcom-cpufreq-hw.c > @@ -1401,6 +1401,7 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy) > void __iomem *base; > struct qcom_cpufreq_data *data; > const char *fdom_resname; > + unsigned int transition_latency; > int cpu_count, index, ret; > > cpu_dev = get_cpu_device(policy->cpu); > @@ -1478,6 +1479,12 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy) > goto error; > } > > + transition_latency = dev_pm_opp_get_max_transition_latency(cpu_dev); > + if (!transition_latency) > + transition_latency = CPUFREQ_ETERNAL; > + > + policy->cpuinfo.transition_latency = transition_latency; > + > dev_pm_opp_of_register_em(cpu_dev, policy->cpus); > > if (policy_has_boost_freq(policy)) { > -- > 2.30.0 >