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 2F70AC433EF for ; Wed, 13 Jul 2022 05:29:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230094AbiGMF3Z (ORCPT ); Wed, 13 Jul 2022 01:29:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233227AbiGMF3X (ORCPT ); Wed, 13 Jul 2022 01:29:23 -0400 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47BCA37F90 for ; Tue, 12 Jul 2022 22:29:21 -0700 (PDT) Received: by mail-pj1-x102e.google.com with SMTP id fz10so10505012pjb.2 for ; Tue, 12 Jul 2022 22:29:21 -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=HUozti81beYC0cvGR7fZyzvI+p1k+KO29s0kn2+X7Ik=; b=TguzphT4cR7VycMxRRdXsReDeFJExFdOLjtiCxkPMAYimQ0CJkhpNuWAigCN9bRqO6 T7DNLJxZS8tuRgkKlMIcCDRsO3de/oV90tujevpYh7SfwdREpTYFcnisXkfvbIQA1mAo 9FPgZLmp4eR47c1Gb9m9kqjbrtjo/E0MhvYVXiDCQkNtr+c+JmCjW7Jenj70Ml6R/93a cjmg2dmIgDCETss2lKW7LA/lSh2FhBbdy/oEyppp090Anz79HqyWfJ8skujXKztJzjPi pXFVtspWT1tiaXw7bLAkBCQX45gL0VlLLZlpXm83K+sYHCLg+G8M04CI076J6amMsZHR aMDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=HUozti81beYC0cvGR7fZyzvI+p1k+KO29s0kn2+X7Ik=; b=XzZl8ACMMJgrYG2Qsqbfd3x3kAaJ/QeDER5sscAhHOKEuwugVfrauVklfF3I0xXo5m mxqN5L0yNl9Dgu+1rz4vtBzmWMH1+Z6sjgTo/eIcMOUEEafpHqeySlx6YdGcTJqspGuV 9vBkcoWLRvUuFG/ZJzvshENe4n1N4p5q6KUeEKZwcGyXCRqPCuyoZuR2AzTIrt7riA8N vKBEdy7yR7c9HBQ2ECN+9h7SvdD3qKfocNWMDAQT+7VEDuG8uEELcIEcXWrVfuQNQer4 HC9Oo4pzrDRkniZXtn6HjJbrzmI47jkg/ERYhPlR1Zuv/C6K2eBf+TiRUp1HDRzat3q4 jCIg== X-Gm-Message-State: AJIora+8CywgrVYD0usKQXREc3r+TIlDa+QFkHcHoxS7zVwzqIDIe5U2 0pcW6ZppRFJzFCZUQaHkLiBkbA== X-Google-Smtp-Source: AGRyM1vk//Bn0hPLeFseIw8PUc72qLKwUYnGHzfcZfKtszc5nnb4Lt+qtKKj9lo4dD/pukW2odiuVQ== X-Received: by 2002:a17:90b:247:b0:1f0:1192:7c22 with SMTP id fz7-20020a17090b024700b001f011927c22mr1995490pjb.232.1657690160833; Tue, 12 Jul 2022 22:29:20 -0700 (PDT) Received: from localhost ([122.171.18.80]) by smtp.gmail.com with ESMTPSA id s5-20020a170902ea0500b0016a058b7547sm7931507plg.294.2022.07.12.22.29.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Jul 2022 22:29:19 -0700 (PDT) Date: Wed, 13 Jul 2022 10:59:15 +0530 From: Viresh Kumar To: Perry Yuan Cc: rafael.j.wysocki@intel.com, Ray.Huang@amd.com, Deepak.Sharma@amd.com, Mario.Limonciello@amd.com, Nathan.Fontenot@amd.com, Alexander.Deucher@amd.com, Jinzhou.Su@amd.com, Xinmei.Huang@amd.com, Xiaojian.Du@amd.com, Li.Meng@amd.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, "Rafael J. Wysocki" Subject: Re: [PATCH v3 11/13] cpufreq: amd_pstate: update transition delay time to 1ms Message-ID: <20220713052915.fehpq5bearsof6ad@vireshk-i7> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On 12-07-22, 11:42, Perry Yuan wrote: > Update transition delay time to 1ms, in the AMD CPU autonomous mode and > non-autonomous mode, CPPC firmware will decide frequency at 1ms timescale > based on the workload utilization. > > Signed-off-by: Perry Yuan > Signed-off-by: Su Jinzhou > --- > drivers/cpufreq/amd-pstate.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c > index a9918728948a..83570acecc78 100644 > --- a/drivers/cpufreq/amd-pstate.c > +++ b/drivers/cpufreq/amd-pstate.c > @@ -42,7 +42,7 @@ > #include "amd-pstate-trace.h" > > #define AMD_PSTATE_TRANSITION_LATENCY 20000 > -#define AMD_PSTATE_TRANSITION_DELAY 500 > +#define AMD_PSTATE_TRANSITION_DELAY 1000 > > /* > * TODO: We need more time to fine tune processors with shared memory solution Acked-by: Viresh Kumar -- viresh