From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srinivas Pandruvada Subject: [RFC/RFT] [PATCH 10/10] cpufreq: intel_pstate: enable boost for SKX Date: Tue, 15 May 2018 21:49:11 -0700 Message-ID: <20180516044911.28797-11-srinivas.pandruvada@linux.intel.com> References: <20180516044911.28797-1-srinivas.pandruvada@linux.intel.com> Return-path: In-Reply-To: <20180516044911.28797-1-srinivas.pandruvada@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: srinivas.pandruvada@linux.intel.com, tglx@linutronix.de, mingo@redhat.com, peterz@infradead.org, bp@suse.de, lenb@kernel.org, rjw@rjwysocki.net, mgorman@techsingularity.net Cc: x86@kernel.org, linux-pm@vger.kernel.org, viresh.kumar@linaro.org, juri.lelli@arm.com, linux-kernel@vger.kernel.org List-Id: linux-pm@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 65d11d2..827c003 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1863,6 +1863,11 @@ 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; @@ -1893,6 +1898,10 @@ 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); -- 2.9.5