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client-ip=165.204.84.17; helo=satlexmb08.amd.com; pr=C Received: from satlexmb08.amd.com (165.204.84.17) by SN1PEPF000397B5.mail.protection.outlook.com (10.167.248.59) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.406.5 via Frontend Transport; Wed, 9 Sep 2026 03:36:45 +0000 Received: from Satlexmb09.amd.com (10.181.42.218) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.46; Tue, 8 Sep 2026 22:36:43 -0500 Received: from aus0006770c4n-lx01.amd.com (10.180.168.240) by satlexmb09.amd.com (10.181.42.218) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.46; Tue, 8 Sep 2026 22:36:43 -0500 From: Mario Limonciello To: K Prateek Nayak CC: Perry Yuan , "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "open list:CPU FREQUENCY SCALING FRAMEWORK" , Mario Limonciello Subject: [PATCH v3 0/3] Add support for Zen 6 client EPP tunings Date: Tue, 8 Sep 2026 22:36:20 -0500 Message-ID: <20260909033623.454449-1-mario.limonciello@amd.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-pm@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 satlexmb09.amd.com (10.181.42.218) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF000397B5:EE_|DS2PR12MB9640:EE_ X-MS-Office365-Filtering-Correlation-Id: 2297055b-9499-4630-2abe-08df0e239275 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|82310400026|36860700016|1800799024|376014|10067099003|18002099003|56012099006|11063799006; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: zyFhoSLAqowHwZ7n83JvrsaSvAbGEiNJ2JuFU+cQNya7TwxI/tZKECCDjKSzRo34S110cS+2i9C3J2HihxRrehHm5KqOrq4uU95FDDYkQox1PCpCSdM4nxDZz5mnuCHA/6pGWOyuwSxclXk0C+Qg/UskkcIhwUuMpakawCHUUVF+x/6GnTjvWI7SUh7DxhcmrmBxo/tzPehehzpc6yTiCgA86Y5agdb5Mo+dpPfLIsUAf7EurXHQIIVogosTtvGcHnQGy1IjTMMULn39RaWmGmKkq9uW9SdJ4wXtpIaWIP6MgFDLSAw4+om+u6B6KcHyKauo0STInjnl0cT1MU7kuhnOeE9vOd0YDhZJz0/3gd+SCeRkQsNo/hUR6pZoB7NsoBJqAa6SEomAo3b18pVTfeS8XCgEZpAL4I2f1K1s+w14au4L8QRAIYGQMKXwxV6t X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Sep 2026 03:36:45.3077 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2297055b-9499-4630-2abe-08df0e239275 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=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000397B5.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS2PR12MB9640 From: Mario Limonciello (AMD) Zen6 client platform firmware uses EPP values differently than previous platforms. To optimize performance and power consumption tunings are applied that match platform characteristics. v3: * Enhancements suggested by Prateek to patch 1 Mario Limonciello (AMD) (3): cpufreq/amd-pstate: Show a warning if missing EPP tunings cpufreq/amd-pstate: Add per SoC and per core type EPP tuning values cpufreq/amd-pstate: Add EPP tunings for Zen6 client platforms drivers/cpufreq/amd-pstate.c | 213 +++++++++++++++++++++++++++++------ drivers/cpufreq/amd-pstate.h | 2 + 2 files changed, 178 insertions(+), 37 deletions(-) -- 2.43.0