[PATCH v2 2/3] cpufreq/amd-pstate: Add EPP tunings for Zen6 client platforms
From: Mario Limonciello (AMD)
Date: Tue Sep 08 2026 - 00:21:21 EST
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@xxxxxxxxxx>
---
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),
{}
};
--
2.43.0