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Wysocki" CC: , , , K Prateek Nayak , , Vishal Badole , Mario Limonciello Subject: [PATCH 0/3] Zen6 client CPPC Date: Mon, 31 Aug 2026 14:44:25 -0500 Message-ID: <20260831194428.2287055-1-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 satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY1PEPF0001AE16:EE_|BY5PR12MB4116:EE_ X-MS-Office365-Filtering-Correlation-Id: 92dd9ba2-776b-4f40-e5fc-08df079861b7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|1800799024|82310400026|376014|36860700016|56012099006|18002099003|11063799006|10067099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(23010399003)(1800799024)(82310400026)(376014)(36860700016)(56012099006)(18002099003)(11063799006)(10067099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: emOuLWY1krN1g4N4ZT/65ISDhG8D5tGMi2fyvy2xffoe1Xa8Pu+BSysPSw/AS5xkYRyLV5ouofAMN5B2zdGMvpHVFdQhNfHqTSkDkipLElnB+B37ayoJmw6OsWPPtOfx7PyZNfEDzfy6JMuHsfQJww2WGF8T7GurHZj/RdtkYZ+JFYsZvxs9mUFkv3VQwhZg6Sif9wY3LDOglYCd2o82qPwZ+Wf17qgmpPNEoTlBJ+OEVaspq3tLGTHU3h8zZBJb5ORxotQWXJdPv3hLSrgb26zJJ98ZztZwpjOBQa30cHNarvYsUtzLuMJYgmiSHhmPRMf4rP3z70shUzf4X/J7dgqFOOKAvGu4mqJZ27gdFCrDLr3AeiVlMdwKS8d/ZJwVgoGke3mKO9t2EXqoJGRW8WVvQmAAzwAsjVcCVNMQv85qv36tK756nJ6eaP6YYuFx X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Aug 2026 19:45:16.4504 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 92dd9ba2-776b-4f40-e5fc-08df079861b7 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: BY1PEPF0001AE16.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4116 Zen6 client platforms use CPPC differently than previous platforms and knowing maximum frequency for a core type is needed for capacity calculations. Newer versions of the ACPI will introduce a proper interface for getting this information, but for now hardcode values so that these systems perform as intended and to unblock future scheduler work while we continue to wait. Mario Limonciello (3): ACPI: CPPC: Refactor boost ratio handling cpufreq/acpi-cpufreq: Use amd_get_boost_ratio() cpufreq/amd-pstate: Get Highest Freq for a CPU arch/x86/kernel/acpi/cppc.c | 174 ++++++++++++++++++++++----------- drivers/cpufreq/acpi-cpufreq.c | 17 ++-- drivers/cpufreq/amd-pstate.c | 22 +++-- include/acpi/cppc_acpi.h | 14 ++- 4 files changed, 154 insertions(+), 73 deletions(-) -- 2.43.0