[PATCH v2 2/3] cpufreq/amd-pstate: Add EPP tunings for Zen6 client platforms
From: "Mario Limonciello (AMD)" <superm1@kernel.org>
Date: 2026-09-08 04:19:42
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Subsystem:
amd pstate driver, cpu frequency scaling framework, the rest · Maintainers:
Huang Rui, Mario Limonciello, "Rafael J. Wysocki", Viresh Kumar, Linus Torvalds
Zen6 client platforms perform better with individual tunings for different core types. Add initial EPP tuning values for those platforms. Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org> --- drivers/cpufreq/amd-pstate.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 960db977cc8ca..543ec143efc94 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c@@ -222,7 +222,33 @@ struct amd_pstate_epp_soc { * Per-CPU-type EPP overrides for hybrid systems. Only hybrid SoCs should be * listed here; non-hybrid systems always use the legacy defaults. */ +static const struct amd_pstate_epp_soc epp_soc_zen6_client __initconst = { + .performance_core = { + .performance = 25, + .balance_performance = 51, + .balance_power = 64, + .power = 64, + }, + .efficiency_core = { + .performance = 25, + .balance_performance = 51, + .balance_power = 64, + .power = 115, + }, + .low_power_core = { + .performance = 25, + .balance_performance = 51, + .balance_power = 64, + .power = 115, + }, +}; + static const struct x86_cpu_id amd_pstate_epp_soc_ids[] __initconst = { + X86_MATCH_VENDOR_FAM_MODEL(AMD, 0x1A, 0x80, &epp_soc_zen6_client), + X86_MATCH_VENDOR_FAM_MODEL(AMD, 0x1A, 0x81, &epp_soc_zen6_client), + X86_MATCH_VENDOR_FAM_MODEL(AMD, 0x1A, 0x84, &epp_soc_zen6_client), + X86_MATCH_VENDOR_FAM_MODEL(AMD, 0x1A, 0x85, &epp_soc_zen6_client), + X86_MATCH_VENDOR_FAM_MODEL(AMD, 0x1A, 0xe0, &epp_soc_zen6_client), {} };
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2.43.0