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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 8D043C28CF6 for ; Thu, 2 Aug 2018 00:26:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4A5D8208A6 for ; Thu, 2 Aug 2018 00:26:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4A5D8208A6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731904AbeHBCOg (ORCPT ); Wed, 1 Aug 2018 22:14:36 -0400 Received: from mga06.intel.com ([134.134.136.31]:12181 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725889AbeHBCOg (ORCPT ); Wed, 1 Aug 2018 22:14:36 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Aug 2018 17:26:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,434,1526367600"; d="scan'208";a="69370883" Received: from spandruv-desk.jf.intel.com ([10.54.75.31]) by FMSMGA003.fm.intel.com with ESMTP; 01 Aug 2018 17:26:12 -0700 From: Srinivas Pandruvada To: lenb@kernel.org, rjw@rjwysocki.net, viresh.kumar@linaro.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Pandruvada Subject: [PATCH] cpufreq: intel_pstate: Ignore turbo active ratio in HWP Date: Wed, 1 Aug 2018 17:26:06 -0700 Message-Id: <20180802002606.42766-1-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When HWP is active turbo active ratio is not used, so we should allow policy max frequency above turbo activation ratio to be set. When HWP is not active, then any policy max frequency above turbo activation ratio can result upto max one-core turbo frequency. This fix helps better thermal control in turbo region when other methods like "Running Average Power Limit" is not available to use. Signed-off-by: Srinivas Pandruvada --- drivers/cpufreq/intel_pstate.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index efb015a5f7ac..32c10e69241e 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -2020,7 +2020,8 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) static void intel_pstate_adjust_policy_max(struct cpufreq_policy *policy, struct cpudata *cpu) { - if (cpu->pstate.max_pstate_physical > cpu->pstate.max_pstate && + if (!hwp_active && + cpu->pstate.max_pstate_physical > cpu->pstate.max_pstate && policy->max < policy->cpuinfo.max_freq && policy->max > cpu->pstate.max_freq) { pr_debug("policy->max > max non turbo frequency\n"); -- 2.17.1