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intel_idle: add Emerald Rapids Xeon support
[ Upstream commit 74528edfbc
]
Emerald Rapids (EMR) is the next Intel Xeon processor after Sapphire
Rapids (SPR).
EMR C-states are the same as SPR C-states, and we expect that EMR
C-state characteristics (latency and target residency) will be the
same as in SPR. Therefore, add EMR support by using SPR C-states table.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -1430,6 +1430,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = {
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X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &idle_cpu_adl_l),
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X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, &idle_cpu_adl_n),
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X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &idle_cpu_spr),
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X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, &idle_cpu_spr),
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X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNL, &idle_cpu_knl),
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X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNM, &idle_cpu_knl),
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X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT, &idle_cpu_bxt),
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@ -1862,6 +1863,7 @@ static void __init intel_idle_init_cstates_icpu(struct cpuidle_driver *drv)
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skx_idle_state_table_update();
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break;
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case INTEL_FAM6_SAPPHIRERAPIDS_X:
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case INTEL_FAM6_EMERALDRAPIDS_X:
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spr_idle_state_table_update();
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break;
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case INTEL_FAM6_ALDERLAKE:
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