Messages in this thread Patch in this message | | | From | Srinivas Pandruvada <> | Subject | [PATCH 4/4] cpufreq: intel_pstate: enable boost for Skylake Xeon | Date | Tue, 5 Jun 2018 14:42:42 -0700 |
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Enable HWP boost on Skylake server and workstations.
Reported-by: Mel Gorman <mgorman@techsingularity.net> Tested-by: Giovanni Gherdovich <ggherdovich@suse.cz> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> --- 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
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