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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 2AE30C433DB for ; Mon, 21 Dec 2020 07:23:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF67622BF3 for ; Mon, 21 Dec 2020 07:23:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726560AbgLUHXe (ORCPT ); Mon, 21 Dec 2020 02:23:34 -0500 Received: from mga01.intel.com ([192.55.52.88]:8563 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725897AbgLUHXd (ORCPT ); Mon, 21 Dec 2020 02:23:33 -0500 IronPort-SDR: RWk0AZIsmELchpfMd2qrFeHscnirSWlesczcruyIeD2YCkZTExVkp5H3cYNFe92S5sugrdcKeY mNLZc+PzcdBA== X-IronPort-AV: E=McAfee;i="6000,8403,9841"; a="194115523" X-IronPort-AV: E=Sophos;i="5.78,436,1599548400"; d="scan'208";a="194115523" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2020 23:20:26 -0800 IronPort-SDR: m5RGyML1N7IwhI3frjgO1lmm0bnakYODG+jvnV+WZyE3i8y+IyzPKq0U4wfI/S/Cnd8SrMZ32U Zz4cYkLGaTuQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,436,1599548400"; d="scan'208";a="372321453" Received: from spandruv-desk.jf.intel.com ([10.54.75.21]) by orsmga008.jf.intel.com with ESMTP; 20 Dec 2020 23:20:25 -0800 From: Srinivas Pandruvada To: hdegoede@redhat.com, mgross@linux.intel.com Cc: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Pandruvada Subject: [PATCH 2/2] tools/power/x86/intel-speed-select: Set higher of cpuinfo_max_freq or base_frequency Date: Sun, 20 Dec 2020 23:18:59 -0800 Message-Id: <20201221071859.2783957-3-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20201221071859.2783957-1-srinivas.pandruvada@linux.intel.com> References: <20201221071859.2783957-1-srinivas.pandruvada@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In some case when BIOS disabled turbo, cpufreq cpuinfo_max_freq can be lower than base_frequency at higher config level. So, in that case set scaling_min_freq to base_frequency. Signed-off-by: Srinivas Pandruvada --- tools/power/x86/intel-speed-select/isst-config.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c index 9b6f0e6f150d..09cb3a6672f3 100644 --- a/tools/power/x86/intel-speed-select/isst-config.c +++ b/tools/power/x86/intel-speed-select/isst-config.c @@ -1461,6 +1461,16 @@ static void adjust_scaling_max_from_base_freq(int cpu) set_cpufreq_scaling_min_max(cpu, 1, base_freq); } +static void adjust_scaling_min_from_base_freq(int cpu) +{ + int base_freq, scaling_min_freq; + + scaling_min_freq = parse_int_file(0, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu); + base_freq = get_cpufreq_base_freq(cpu); + if (scaling_min_freq < base_freq) + set_cpufreq_scaling_min_max(cpu, 0, base_freq); +} + static int set_clx_pbf_cpufreq_scaling_min_max(int cpu) { struct isst_pkg_ctdp_level_info *ctdp_level; @@ -1558,6 +1568,7 @@ static void set_scaling_min_to_cpuinfo_max(int cpu) continue; set_cpufreq_scaling_min_max_from_cpuinfo(i, 1, 0); + adjust_scaling_min_from_base_freq(i); } } -- 2.29.2