diff options
| -rw-r--r-- | drivers/idle/intel_idle.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 008e943d224d..3a3738fe016b 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -591,6 +591,67 @@ static struct cpuidle_state bdw_cstates[] = { .enter = NULL } }; +static struct cpuidle_state skl_cstates[] = { + { + .name = "C1-SKL", + .desc = "MWAIT 0x00", + .flags = MWAIT2flg(0x00), + .exit_latency = 2, + .target_residency = 2, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C1E-SKL", + .desc = "MWAIT 0x01", + .flags = MWAIT2flg(0x01), + .exit_latency = 10, + .target_residency = 20, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C3-SKL", + .desc = "MWAIT 0x10", + .flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 70, + .target_residency = 100, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C6-SKL", + .desc = "MWAIT 0x20", + .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 75, + .target_residency = 200, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C7s-SKL", + .desc = "MWAIT 0x33", + .flags = MWAIT2flg(0x33) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 124, + .target_residency = 800, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C8-SKL", + .desc = "MWAIT 0x40", + .flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 174, + .target_residency = 800, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C10-SKL", + .desc = "MWAIT 0x60", + .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 890, + .target_residency = 5000, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .enter = NULL } +}; + static struct cpuidle_state atom_cstates[] = { { .name = "C1E-ATM", @@ -810,6 +871,12 @@ static const struct idle_cpu idle_cpu_bdw = { .disable_promotion_to_c1e = true, }; +static const struct idle_cpu idle_cpu_skl = { + .state_table = skl_cstates, + .disable_promotion_to_c1e = true, +}; + + static const struct idle_cpu idle_cpu_avn = { .state_table = avn_cstates, .disable_promotion_to_c1e = true, @@ -844,6 +911,8 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = { ICPU(0x47, idle_cpu_bdw), ICPU(0x4f, idle_cpu_bdw), ICPU(0x56, idle_cpu_bdw), + ICPU(0x4e, idle_cpu_skl), + ICPU(0x5e, idle_cpu_skl), {} }; MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids); |