From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srinivas Pandruvada Subject: [PATCH 4/4] cpufreq: intel_pstate: enable boost for Skylake Xeon Date: Tue, 5 Jun 2018 14:42:42 -0700 Message-ID: <20180605214242.62156-5-srinivas.pandruvada@linux.intel.com> References: <20180605214242.62156-1-srinivas.pandruvada@linux.intel.com> Return-path: In-Reply-To: <20180605214242.62156-1-srinivas.pandruvada@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: lenb@kernel.org, rjw@rjwysocki.net, mgorman@techsingularity.net Cc: peterz@infradead.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, juri.lelli@redhat.com, viresh.kumar@linaro.org, ggherdovich@suse.cz, Srinivas Pandruvada List-Id: linux-pm@vger.kernel.org Enable HWP boost on Skylake server and workstations. Reported-by: Mel Gorman Tested-by: Giovanni Gherdovich Signed-off-by: Srinivas Pandruvada --- drivers/cpufreq/intel_pstate.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 70bf63bb4e0e..01c8da1f99db 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1794,6 +1794,12 @@ 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), + ICPU(INTEL_FAM6_SKYLAKE_DESKTOP, core_funcs), + {} +}; + static int intel_pstate_init_cpu(unsigned int cpunum) { struct cpudata *cpu; @@ -1824,6 +1830,10 @@ 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