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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by MWH0EPF000C6186.mail.protection.outlook.com (10.167.249.118) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.472.14 via Frontend Transport; Mon, 28 Sep 2026 20:35:48 +0000 Received: from airavat.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49; Mon, 28 Sep 2026 15:35:44 -0500 From: Vishal Badole To: , , , , , , , CC: Vishal Badole , Mario Limonciello Subject: [PATCH] cpufreq: amd-pstate: Update Zen6 client EPP tuning values Date: Tue, 29 Sep 2026 02:05:23 +0530 Message-ID: <20260928203523.1290623-1-Vishal.Badole@amd.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000C6186:EE_|FT1PR12MB689230:EE_ X-MS-Office365-Filtering-Correlation-Id: af601de6-3f2a-4b53-f5bc-08df1da01444 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|82310400026|36860700016|23010399003|56012099006|10067099003|11063799006|18002099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: iUtzpgRpP9uWRL6jhbLcTEC7fcQmBluGB9R2WDO2kQbJZCCNA41gv9bIVrxoEMdYWKVUawEWRABy50U23TTiw5iotRXpeclle8/+pCnnHQK1U8/c3ai5UST4oAlpNdxZAa0yNBP7fs7j+fdWBWPwxcdix/RR2P31lyCGr4GkPjhMVVxAzzE0O4fbkio7Z6q2lvzKOva9wsheR88xHrgtZartH4MMmJH3fThSkPCrbTcEjLzcM9Rg452YsPk8aIfkJx3388ihemSUhrgS/BByyTc5/I28Hl4EsRMScvBwJNgo/tS4usu6y5WKOK1z4U5pxiRpB3ieRWXTgfiQCyox0xRLhe879iR0Oxb9DiejeevCm31sYfixU27ekF4/B2RfEsHgyZzFb5mWX8tNzgQ/MocdXdfkHbNtLeRH8tpwuktZSnKf3/fGKrdUsc60SxfV X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Sep 2026 20:35:48.0515 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: af601de6-3f2a-4b53-f5bc-08df1da01444 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000C6186.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: FT1PR12MB689230 The per-CPU-type EPP values for the Zen6 client platform are further tuned based on platform characterization. Adjust the performance and low-power core entries so each core type uses its intended EPP settings. Reviewed-by: Mario Limonciello Signed-off-by: Vishal Badole --- This patch is based on Mario Limonciello's: "cpufreq/amd-pstate: Add EPP tunings for Zen6 client platforms" https://git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git/commit/?id=114a157e8d30601d024b53564a0fe54202f6567f drivers/cpufreq/amd-pstate.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 83960a6336b9..2529cee9a6cc 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -211,7 +211,7 @@ static const struct amd_pstate_epp_soc epp_soc_zen6_client __initconst = { .performance = 25, .balance_performance = 51, .balance_power = 64, - .power = 64, + .power = 115, }, .efficiency_core = { .performance = 25, @@ -221,9 +221,9 @@ static const struct amd_pstate_epp_soc epp_soc_zen6_client __initconst = { }, .low_power_core = { .performance = 25, - .balance_performance = 51, + .balance_performance = 64, .balance_power = 64, - .power = 115, + .power = 64, }, }; -- 2.34.1