From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751411AbeEaWwa (ORCPT ); Thu, 31 May 2018 18:52:30 -0400 Received: from mga14.intel.com ([192.55.52.115]:6566 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751209AbeEaWvy (ORCPT ); Thu, 31 May 2018 18:51:54 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,464,1520924400"; d="scan'208";a="233413426" From: Srinivas Pandruvada To: lenb@kernel.org, rjw@rjwysocki.net, peterz@infradead.org, mgorman@techsingularity.net Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, juri.lelli@redhat.com, viresh.kumar@linaro.org, Srinivas Pandruvada Subject: [RFC/RFT] [PATCH v3 4/4] cpufreq: intel_pstate: enable boost for SKX Date: Thu, 31 May 2018 15:51:43 -0700 Message-Id: <20180531225143.34270-5-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180531225143.34270-1-srinivas.pandruvada@linux.intel.com> References: <20180531225143.34270-1-srinivas.pandruvada@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enable HWP boost on Skylake server platform. Signed-off-by: Srinivas Pandruvada --- drivers/cpufreq/intel_pstate.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 254e30a6c1e0..75c5a95bc0ac 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1794,6 +1794,11 @@ static const struct x86_cpu_id intel_pstate_cpu_ee_disable_ids[] = { {} }; +static const struct x86_cpu_id intel_pstate_hwp_boost_ids[] __initconst = { + ICPU(INTEL_FAM6_SKYLAKE_X, core_funcs), + {} +}; + static int intel_pstate_init_cpu(unsigned int cpunum) { struct cpudata *cpu; @@ -1824,6 +1829,10 @@ static int intel_pstate_init_cpu(unsigned int cpunum) intel_pstate_disable_ee(cpunum); intel_pstate_hwp_enable(cpu); + + id = x86_match_cpu(intel_pstate_hwp_boost_ids); + if (id) + hwp_boost = true; } intel_pstate_get_cpu_pstates(cpu); -- 2.13.6