Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 077a671d authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

Merge branch 'pm-cpuidle'

* pm-cpuidle:
  intel_idle: Support Intel Atom Processor C2000 Product Family
parents 9a04d08b fab04b22
Loading
Loading
Loading
Loading
+23 −1
Original line number Diff line number Diff line
/*
 * intel_idle.c - native hardware idle loop for modern Intel processors
 *
 * Copyright (c) 2010, Intel Corporation.
 * Copyright (c) 2013, Intel Corporation.
 * Len Brown <len.brown@intel.com>
 *
 * This program is free software; you can redistribute it and/or modify it
@@ -329,6 +329,22 @@ static struct cpuidle_state atom_cstates[] __initdata = {
	{
		.enter = NULL }
};
static struct cpuidle_state avn_cstates[CPUIDLE_STATE_MAX] = {
	{
		.name = "C1-AVN",
		.desc = "MWAIT 0x00",
		.flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_TIME_VALID,
		.exit_latency = 2,
		.target_residency = 2,
		.enter = &intel_idle },
	{
		.name = "C6-AVN",
		.desc = "MWAIT 0x51",
		.flags = MWAIT2flg(0x58) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
		.exit_latency = 15,
		.target_residency = 45,
		.enter = &intel_idle },
};

/**
 * intel_idle
@@ -462,6 +478,11 @@ static const struct idle_cpu idle_cpu_hsw = {
	.disable_promotion_to_c1e = true,
};

static const struct idle_cpu idle_cpu_avn = {
	.state_table = avn_cstates,
	.disable_promotion_to_c1e = true,
};

#define ICPU(model, cpu) \
	{ X86_VENDOR_INTEL, 6, model, X86_FEATURE_MWAIT, (unsigned long)&cpu }

@@ -483,6 +504,7 @@ static const struct x86_cpu_id intel_idle_ids[] = {
	ICPU(0x3f, idle_cpu_hsw),
	ICPU(0x45, idle_cpu_hsw),
	ICPU(0x46, idle_cpu_hsw),
	ICPU(0x4D, idle_cpu_avn),
	{}
};
MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids);