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Wysocki" CC: Len Brown , Huang Rui , , , , Gautham Ranjal Shenoy , Wyes Karny , Perry Yuan , "Mario Limonciello" Subject: [PATCH v3 0/3] Enable amd-pstate active mode by default Date: Tue, 20 Jun 2023 12:24:30 -0500 Message-ID: <20230620172433.21325-1-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF000015C6:EE_|IA0PR12MB7529:EE_ X-MS-Office365-Filtering-Correlation-Id: 6fbcae36-4e6b-4ca8-7858-08db71b3a241 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(376002)(346002)(396003)(136003)(39860400002)(451199021)(40470700004)(46966006)(36840700001)(8676002)(8936002)(478600001)(40480700001)(41300700001)(5660300002)(4744005)(2906002)(44832011)(316002)(70206006)(4326008)(6916009)(70586007)(40460700003)(186003)(1076003)(26005)(16526019)(36756003)(54906003)(36860700001)(86362001)(82740400003)(2616005)(336012)(356005)(7696005)(426003)(83380400001)(81166007)(82310400005)(47076005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jun 2023 17:27:33.7560 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6fbcae36-4e6b-4ca8-7858-08db71b3a241 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF000015C6.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB7529 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Active mode for amd-pstate has shown enough success now that it makes sense to enable it by default on client systems. This series introduces a new kernel configuration option to set the default policy for amd-pstate modes for a kernel. Server systems will by identified by the PM preferred profile and still be set as disabled by default for now. v2->v3: * Drop patch 4; Intel intentionally doesn't want intel-pstate on SOHO server * Move symbols from patch 1 into patch 2 * Add tags Mario Limonciello (3): ACPI: CPPC: Add definition for undefined FADT preferred PM profile value cpufreq: amd-pstate: Set a fallback policy based on preferred_profile cpufreq: amd-pstate: Add a kernel config option to set default mode drivers/cpufreq/Kconfig.x86 | 17 ++++++ drivers/cpufreq/amd-pstate.c | 101 +++++++++++++++++++++++++---------- include/acpi/actbl.h | 3 +- include/linux/amd-pstate.h | 4 +- 4 files changed, 96 insertions(+), 29 deletions(-)