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Merge branch 'cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux into pm-cpuidle 

Pull intel_idle material for v4.1 from Len Brown.

* 'cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  intel_idle: Add support for the Airmont Core in the Cherrytrail and Braswell SOCs
  intel_idle: Update support for Silvermont Core in Baytrail SOC
This commit is contained in:
Rafael J. Wysocki 2015-04-11 02:28:00 +02:00
parent d5cdc3c4c2 cab07a5652
commit baa9a93a44
1 changed files with 55 additions and 11 deletions
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66
drivers/idle/intel_idle.c
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@ -217,19 +217,11 @@ static struct cpuidle_state byt_cstates[] = {
.target_residency = 1,
.enter = &intel_idle,
.enter_freeze = intel_idle_freeze, },
{
.name = "C1E-BYT",
.desc = "MWAIT 0x01",
.flags = MWAIT2flg(0x01),
.exit_latency = 15,
.target_residency = 30,
.enter = &intel_idle,
.enter_freeze = intel_idle_freeze, },
{
.name = "C6N-BYT",
.desc = "MWAIT 0x58",
.flags = MWAIT2flg(0x58) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 40,
.exit_latency = 300,
.target_residency = 275,
.enter = &intel_idle,
.enter_freeze = intel_idle_freeze, },
@ -237,7 +229,7 @@ static struct cpuidle_state byt_cstates[] = {
.name = "C6S-BYT",
.desc = "MWAIT 0x52",
.flags = MWAIT2flg(0x52) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 140,
.exit_latency = 500,
.target_residency = 560,
.enter = &intel_idle,
.enter_freeze = intel_idle_freeze, },
@ -246,7 +238,7 @@ static struct cpuidle_state byt_cstates[] = {
.desc = "MWAIT 0x60",
.flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 1200,
.target_residency = 1500,
.target_residency = 4000,
.enter = &intel_idle,
.enter_freeze = intel_idle_freeze, },
{
@ -261,6 +253,51 @@ static struct cpuidle_state byt_cstates[] = {
.enter = NULL }
};
static struct cpuidle_state cht_cstates[] = {
{
.name = "C1-CHT",
.desc = "MWAIT 0x00",
.flags = MWAIT2flg(0x00),
.exit_latency = 1,
.target_residency = 1,
.enter = &intel_idle,
.enter_freeze = intel_idle_freeze, },
{
.name = "C6N-CHT",
.desc = "MWAIT 0x58",
.flags = MWAIT2flg(0x58) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 80,
.target_residency = 275,
.enter = &intel_idle,
.enter_freeze = intel_idle_freeze, },
{
.name = "C6S-CHT",
.desc = "MWAIT 0x52",
.flags = MWAIT2flg(0x52) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 200,
.target_residency = 560,
.enter = &intel_idle,
.enter_freeze = intel_idle_freeze, },
{
.name = "C7-CHT",
.desc = "MWAIT 0x60",
.flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 1200,
.target_residency = 4000,
.enter = &intel_idle,
.enter_freeze = intel_idle_freeze, },
{
.name = "C7S-CHT",
.desc = "MWAIT 0x64",
.flags = MWAIT2flg(0x64) | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 10000,
.target_residency = 20000,
.enter = &intel_idle,
.enter_freeze = intel_idle_freeze, },
{
.enter = NULL }
};
static struct cpuidle_state ivb_cstates[] = {
{
.name = "C1-IVB",
@ -748,6 +785,12 @@ static const struct idle_cpu idle_cpu_byt = {
.byt_auto_demotion_disable_flag = true,
};
static const struct idle_cpu idle_cpu_cht = {
.state_table = cht_cstates,
.disable_promotion_to_c1e = true,
.byt_auto_demotion_disable_flag = true,
};
static const struct idle_cpu idle_cpu_ivb = {
.state_table = ivb_cstates,
.disable_promotion_to_c1e = true,
@ -790,6 +833,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
ICPU(0x2d, idle_cpu_snb),
ICPU(0x36, idle_cpu_atom),
ICPU(0x37, idle_cpu_byt),
ICPU(0x4c, idle_cpu_cht),
ICPU(0x3a, idle_cpu_ivb),
ICPU(0x3e, idle_cpu_ivt),
ICPU(0x3c, idle_cpu_hsw),