From: Mario Limonciello <mario.limonciello@amd.com>
To: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Perry Yuan <perry.yuan@amd.com>,
"open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
<linux-kernel@vger.kernel.org>,
"open list:CPU FREQUENCY SCALING FRAMEWORK"
<linux-pm@vger.kernel.org>,
"Mario Limonciello (AMD)" <superm1@kernel.org>
Subject: [PATCH v3 2/3] cpufreq/amd-pstate: Add EPP tunings for Zen6 client platforms
Date: Tue, 8 Sep 2026 22:36:22 -0500 [thread overview]
Message-ID: <20260909033623.454449-3-mario.limonciello@amd.com> (raw)
In-Reply-To: <20260909033623.454449-1-mario.limonciello@amd.com>
From: "Mario Limonciello (AMD)" <superm1@kernel.org>
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 60a8b8f220437..380294bb56cd7 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -206,7 +206,33 @@ 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
next prev parent reply other threads:[~2026-09-09 3:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-09 3:36 [PATCH v3 0/3] Add support for Zen 6 client EPP tunings Mario Limonciello
2026-09-09 3:36 ` [PATCH v3 1/3] cpufreq/amd-pstate: Add per SoC and per core type EPP tuning values Mario Limonciello
2026-09-09 3:36 ` Mario Limonciello [this message]
2026-09-09 3:36 ` [PATCH v3 3/3] cpufreq/amd-pstate: Show a warning if missing EPP tunings Mario Limonciello
2026-09-10 7:32 ` [PATCH v3 0/3] Add support for Zen 6 client " K Prateek Nayak
2026-09-10 20:59 ` Mario Limonciello
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