1 files changed, 10 insertions, 2 deletions

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 3a3738fe016b..cd4510a63375 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,