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[PATCH 1/4] intel_idle: Skylake Client Support - updated

From Len Brown <lenb@kernel.org>
Newsgroups linux.kernel
Subject [PATCH 1/4] intel_idle: Skylake Client Support - updated
Date 2015-09-26 07:10 +0200
Message-ID <qcPUf-6X6-11@gated-at.bofh.it> (permalink)
References <qcPUe-6X6-1@gated-at.bofh.it>
Organization Intel Open Source Technology Center

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From: Len Brown <len.brown@intel.com>

Addition of PC9 state, and minor tweaks to existing PC6 and PC8 states.

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/idle/intel_idle.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 3a3738f..cd4510a 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -620,7 +620,7 @@ static struct cpuidle_state skl_cstates[] = {
 		.name = "C6-SKL",
 		.desc = "MWAIT 0x20",
 		.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
-		.exit_latency = 75,
+		.exit_latency = 85,
 		.target_residency = 200,
 		.enter = &intel_idle,
 		.enter_freeze = intel_idle_freeze, },
@@ -636,11 +636,19 @@ static struct cpuidle_state skl_cstates[] = {
 		.name = "C8-SKL",
 		.desc = "MWAIT 0x40",
 		.flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TLB_FLUSHED,
-		.exit_latency = 174,
+		.exit_latency = 200,
 		.target_residency = 800,
 		.enter = &intel_idle,
 		.enter_freeze = intel_idle_freeze, },
 	{
+		.name = "C9-SKL",
+		.desc = "MWAIT 0x50",
+		.flags = MWAIT2flg(0x50) | CPUIDLE_FLAG_TLB_FLUSHED,
+		.exit_latency = 480,
+		.target_residency = 5000,
+		.enter = &intel_idle,
+		.enter_freeze = intel_idle_freeze, },
+	{
 		.name = "C10-SKL",
 		.desc = "MWAIT 0x60",
 		.flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
-- 
2.6.0.rc1

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Thread

intel_idle and turbostat patches for Linux-4.3 Len Brown <lenb@kernel.org> - 2015-09-26 07:10 +0200
  [PATCH 3/4] tools/power turbostat: KNL workaround for %Busy and Avg_MHz Len Brown <lenb@kernel.org> - 2015-09-26 07:10 +0200
  [PATCH 1/4] intel_idle: Skylake Client Support - updated Len Brown <lenb@kernel.org> - 2015-09-26 07:10 +0200
  [PATCH 4/4] tools/power turbostat: SKL: Adjust for TSC difference from base frequency Len Brown <lenb@kernel.org> - 2015-09-26 07:10 +0200
  [PATCH 2/4] tools/power turbostat: IVB Xeon: fix --debug regression Len Brown <lenb@kernel.org> - 2015-09-26 07:10 +0200
  Re: intel_idle and turbostat patches for Linux-4.3 "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-09-27 15:30 +0200

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