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>hifive-unleashed-5.1
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3e66a9ab53
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f9e71657c2
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@ -660,6 +660,35 @@ static struct cpuidle_state skl_cstates[] = {
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.enter = NULL }
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.enter = NULL }
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};
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};
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static struct cpuidle_state skx_cstates[] = {
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{
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.name = "C1-SKX",
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.desc = "MWAIT 0x00",
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.flags = MWAIT2flg(0x00),
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.exit_latency = 2,
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.target_residency = 2,
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.enter = &intel_idle,
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.enter_freeze = intel_idle_freeze, },
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{
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.name = "C1E-SKX",
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.desc = "MWAIT 0x01",
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.flags = MWAIT2flg(0x01),
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.exit_latency = 10,
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.target_residency = 20,
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.enter = &intel_idle,
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.enter_freeze = intel_idle_freeze, },
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{
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.name = "C6-SKX",
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.desc = "MWAIT 0x20",
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.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
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.exit_latency = 133,
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.target_residency = 600,
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.enter = &intel_idle,
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.enter_freeze = intel_idle_freeze, },
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{
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.enter = NULL }
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};
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static struct cpuidle_state atom_cstates[] = {
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static struct cpuidle_state atom_cstates[] = {
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{
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{
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.name = "C1E-ATM",
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.name = "C1E-ATM",
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@ -907,6 +936,10 @@ static const struct idle_cpu idle_cpu_skl = {
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.disable_promotion_to_c1e = true,
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.disable_promotion_to_c1e = true,
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};
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};
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static const struct idle_cpu idle_cpu_skx = {
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.state_table = skx_cstates,
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.disable_promotion_to_c1e = true,
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};
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static const struct idle_cpu idle_cpu_avn = {
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static const struct idle_cpu idle_cpu_avn = {
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.state_table = avn_cstates,
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.state_table = avn_cstates,
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@ -948,6 +981,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
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ICPU(0x56, idle_cpu_bdw),
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ICPU(0x56, idle_cpu_bdw),
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ICPU(0x4e, idle_cpu_skl),
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ICPU(0x4e, idle_cpu_skl),
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ICPU(0x5e, idle_cpu_skl),
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ICPU(0x5e, idle_cpu_skl),
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ICPU(0x55, idle_cpu_skx),
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ICPU(0x57, idle_cpu_knl),
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ICPU(0x57, idle_cpu_knl),
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{}
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{}
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};
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};
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