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Commit f9e71657 authored by Len Brown's avatar Len Brown Committed by Rafael J. Wysocki
Browse files

intel_idle: Add SKX support 



SKX is similar to BDX

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 3e66a9ab

drivers/idle/intel_idle.c

+34 −0
Original line number Diff line number Diff line
@@ -660,6 +660,35 @@ static struct cpuidle_state skl_cstates[] = { 
		.enter = NULL }

};



static struct cpuidle_state skx_cstates[] = {

	{

		.name = "C1-SKX",

		.desc = "MWAIT 0x00",

		.flags = MWAIT2flg(0x00),

		.exit_latency = 2,

		.target_residency = 2,

		.enter = &intel_idle,

		.enter_freeze = intel_idle_freeze, },

	{

		.name = "C1E-SKX",

		.desc = "MWAIT 0x01",

		.flags = MWAIT2flg(0x01),

		.exit_latency = 10,

		.target_residency = 20,

		.enter = &intel_idle,

		.enter_freeze = intel_idle_freeze, },

	{

		.name = "C6-SKX",

		.desc = "MWAIT 0x20",

		.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,

		.exit_latency = 133,

		.target_residency = 600,

		.enter = &intel_idle,

		.enter_freeze = intel_idle_freeze, },

	{

		.enter = NULL }

};



static struct cpuidle_state atom_cstates[] = {

	{

		.name = "C1E-ATM",
@@ -907,6 +936,10 @@ static const struct idle_cpu idle_cpu_skl = { 
	.disable_promotion_to_c1e = true,

};



static const struct idle_cpu idle_cpu_skx = {

	.state_table = skx_cstates,

	.disable_promotion_to_c1e = true,

};



static const struct idle_cpu idle_cpu_avn = {

	.state_table = avn_cstates,
@@ -948,6 +981,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = { 
	ICPU(0x56, idle_cpu_bdw),

	ICPU(0x4e, idle_cpu_skl),

	ICPU(0x5e, idle_cpu_skl),

	ICPU(0x55, idle_cpu_skx),

	ICPU(0x57, idle_cpu_knl),

	{}

};