From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Date: Wed, 4 May 2016 22:07:34 +0000 (-0700)
Subject: cpufreq: intel_pstate: Ignore _PPC processing under HWP
X-Git-Tag: v4.7-rc1~171^2~4^2~11
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=e59a8f7ff4573fd54f1acec0e29280a6556fdde9;p=linux.git

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>
---

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index a0823e84ceca..74453fe546c1 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/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;