intel_idle: Skylake Client Support - updated

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

Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 3a3738fe016b3af0a2e0b723396822b786e2c20f..cd4510a6337548d26344b8ccc5cb427ab13dd4ef 100644 (file)
--- 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, },
@@ -636,10 +636,18 @@ 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",