Browse Source

cpufreq: intel_pstate: Ignore _PPC processing under HWP

When HWP (hardware P states) feature is active, the ACPI _PSS and _PPC
is not used. So ignore processing for _PPC limits.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Srinivas Pandruvada 9 years ago
parent
commit
e59a8f7ff4
1 changed files with 3 additions and 0 deletions
  1. 3 0
      drivers/cpufreq/intel_pstate.c

+ 3 - 0
drivers/cpufreq/intel_pstate.c

@@ -380,6 +380,9 @@ static void intel_pstate_init_acpi_perf_limits(struct cpufreq_policy *policy)
 	int ret;
 	int i;
 
+	if (hwp_active)
+		return;
+
 	if (!intel_pstate_get_ppc_enable_status())
 		return;