Enable HWP boost on Skylake server and workstations.
Reported-by: Mel Gorman <[email protected]>
Tested-by: Giovanni Gherdovich <[email protected]>
Signed-off-by: Srinivas Pandruvada <[email protected]>
---
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
