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-rw-r--r--drivers/idle/intel_idle.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 3e01a6b23e75..bcf1198e8991 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -918,6 +918,35 @@ static struct cpuidle_state adl_l_cstates[] __initdata = {
.enter = NULL }
};
+static struct cpuidle_state mtl_l_cstates[] __initdata = {
+ {
+ .name = "C1E",
+ .desc = "MWAIT 0x01",
+ .flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_ALWAYS_ENABLE,
+ .exit_latency = 1,
+ .target_residency = 1,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C6",
+ .desc = "MWAIT 0x20",
+ .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 140,
+ .target_residency = 420,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C10",
+ .desc = "MWAIT 0x60",
+ .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 310,
+ .target_residency = 930,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .enter = NULL }
+};
+
static struct cpuidle_state gmt_cstates[] __initdata = {
{
.name = "C1",
@@ -1237,6 +1266,72 @@ static struct cpuidle_state snr_cstates[] __initdata = {
.enter = NULL }
};
+static struct cpuidle_state grr_cstates[] __initdata = {
+ {
+ .name = "C1",
+ .desc = "MWAIT 0x00",
+ .flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_ALWAYS_ENABLE,
+ .exit_latency = 1,
+ .target_residency = 1,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C1E",
+ .desc = "MWAIT 0x01",
+ .flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_ALWAYS_ENABLE,
+ .exit_latency = 2,
+ .target_residency = 10,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C6S",
+ .desc = "MWAIT 0x22",
+ .flags = MWAIT2flg(0x22) | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 140,
+ .target_residency = 500,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .enter = NULL }
+};
+
+static struct cpuidle_state srf_cstates[] __initdata = {
+ {
+ .name = "C1",
+ .desc = "MWAIT 0x00",
+ .flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_ALWAYS_ENABLE,
+ .exit_latency = 1,
+ .target_residency = 1,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C1E",
+ .desc = "MWAIT 0x01",
+ .flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_ALWAYS_ENABLE,
+ .exit_latency = 2,
+ .target_residency = 10,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C6S",
+ .desc = "MWAIT 0x22",
+ .flags = MWAIT2flg(0x22) | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 270,
+ .target_residency = 700,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .name = "C6SP",
+ .desc = "MWAIT 0x23",
+ .flags = MWAIT2flg(0x23) | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 310,
+ .target_residency = 900,
+ .enter = &intel_idle,
+ .enter_s2idle = intel_idle_s2idle, },
+ {
+ .enter = NULL }
+};
+
static const struct idle_cpu idle_cpu_nehalem __initconst = {
.state_table = nehalem_cstates,
.auto_demotion_disable_flags = NHM_C1_AUTO_DEMOTE | NHM_C3_AUTO_DEMOTE,
@@ -1344,6 +1439,10 @@ static const struct idle_cpu idle_cpu_adl_l __initconst = {
.state_table = adl_l_cstates,
};
+static const struct idle_cpu idle_cpu_mtl_l __initconst = {
+ .state_table = mtl_l_cstates,
+};
+
static const struct idle_cpu idle_cpu_gmt __initconst = {
.state_table = gmt_cstates,
};
@@ -1382,6 +1481,18 @@ static const struct idle_cpu idle_cpu_snr __initconst = {
.use_acpi = true,
};
+static const struct idle_cpu idle_cpu_grr __initconst = {
+ .state_table = grr_cstates,
+ .disable_promotion_to_c1e = true,
+ .use_acpi = true,
+};
+
+static const struct idle_cpu idle_cpu_srf __initconst = {
+ .state_table = srf_cstates,
+ .disable_promotion_to_c1e = true,
+ .use_acpi = true,
+};
+
static const struct x86_cpu_id intel_idle_ids[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(NEHALEM_EP, &idle_cpu_nhx),
X86_MATCH_INTEL_FAM6_MODEL(NEHALEM, &idle_cpu_nehalem),
@@ -1418,6 +1529,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_D, &idle_cpu_icx),
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, &idle_cpu_adl),
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &idle_cpu_adl_l),
+ X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE_L, &idle_cpu_mtl_l),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GRACEMONT, &idle_cpu_gmt),
X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &idle_cpu_spr),
X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, &idle_cpu_spr),
@@ -1427,6 +1539,8 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_PLUS, &idle_cpu_bxt),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_D, &idle_cpu_dnv),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, &idle_cpu_snr),
+ X86_MATCH_INTEL_FAM6_MODEL(ATOM_CRESTMONT, &idle_cpu_grr),
+ X86_MATCH_INTEL_FAM6_MODEL(ATOM_CRESTMONT_X, &idle_cpu_srf),
{}
};