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Thu, 1 Oct 2026 10:37:34 -0500 Message-ID: <9c65d1b2-4c9e-44a4-82ea-4351ff9aa6b2@amd.com> Date: Thu, 1 Oct 2026 21:07:28 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/3] Zen6 client CPPC To: "Mario Limonciello (AMD)" , =?UTF-8?Q?Rafael_J_=2E_Wysocki_=E2=8F=8E?= CC: , , , References: <20260924160052.2858456-1-superm1@kernel.org> Content-Language: en-US From: K Prateek Nayak In-Reply-To: <20260924160052.2858456-1-superm1@kernel.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY1PEPF0001AE1A:EE_|DS0PR12MB8017:EE_ X-MS-Office365-Filtering-Correlation-Id: bbf32d6f-e85e-489a-5ec7-08df1fd1eb8b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|36860700016|23010399003|1800799024|10067099003|56012099006|11063799006|18002099003|22082099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: yZUZCVnOi5QpoUG8R65ZWPHkU3nnwhAXkpH4lLVJOFV1AU9BHKHrllVEDxmDl2lTpFNrQwSHmmGatVL8SpBKI9kwcgTui86UreI9RrzVmt5zLsanf+omc7+m0TjKq9i9N3VdwuH8SqfMTYeMCNsHnjIsEpKacYCZnnoi6YuGIA4nlttULiiWDaobz8OUrWbH6s/8udQpUBsAdtMXLG02JkRFVJOdBFgO4yYLMU8aCrDb5wGXqfx/naXsOk4KiKawJv0yrhBjPn8HO/36pM173hfo6XOpgEXv8o5klrbsm5y9zrerTu/HvPSe6LOl6TDYAkz9BvILD8vDYIb08qUYPPqznifDFUgYrZdBpaNyz8B+3Mr6Bou0HzbUBNhJyEUOhAzm+J+8a5Es3nW91ZwGXRGMeJfjWWc99ge+gZooRctspJ7bx2A3NXpPc5OSc76f X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Oct 2026 15:37:36.9663 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bbf32d6f-e85e-489a-5ec7-08df1fd1eb8b 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: BY1PEPF0001AE1A.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8017 Hello Mario, On 9/24/2026 9:30 PM, Mario Limonciello (AMD) wrote: > From: Mario Limonciello > > 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. For the whole series, feel free to include: Reviewed-by: K Prateek Nayak Tested-by: K Prateek Nayak FWIW, I've been running bleeding-edge branch for a bunch of tests today and everything looks fine. -- Thanks and Regards, Prateek