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Subject[RFC/RFT] [PATCH v2 6/6] cpufreq: intel_pstate: enable boost for SKX
Date
Enable HWP boost on Skylake server platform.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
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 b2613c9775d5..6f8214a40764 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1801,6 +1801,11 @@ 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;
@@ -1831,6 +1836,10 @@ 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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