diff options
| author | Len Brown <len.brown@intel.com> | 2016-04-06 17:00:58 -0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-04-07 22:11:06 +0200 |
| commit | f9e71657c2c0a8f1c50884ab45794be2854e158e (patch) | |
| tree | 9ee8e1db19e60c3470150c9ba45bea2db29d2caf /drivers | |
| parent | 3e66a9ab53641a0f7a440e56f7b35bf5d77494b3 (diff) | |
| download | linux-f9e71657c2c0a8f1c50884ab45794be2854e158e.tar.bz2 | |
intel_idle: Add SKX support
SKX is similar to BDX
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/idle/intel_idle.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 862346bd053a..4677c3da03a0 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -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), {} }; |