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Mon, 19 Jun 2023 14:05:17 -0500 From: Wyes Karny To: , CC: , , , , , , , Wyes Karny Subject: [PATCH v3 0/5] cpupower: Add various feature control support for amd_pstate Date: Mon, 19 Jun 2023 19:04:58 +0000 Message-ID: <20230619190503.4061-1-wyes.karny@amd.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00001507:EE_|PH0PR12MB7095:EE_ X-MS-Office365-Filtering-Correlation-Id: a60e0303-9c32-407e-f5fe-08db70f82149 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)(136003)(346002)(376002)(396003)(39860400002)(451199021)(36840700001)(46966006)(40470700004)(5660300002)(44832011)(8676002)(8936002)(82310400005)(4326008)(70206006)(316002)(70586007)(41300700001)(40480700001)(86362001)(40460700003)(2906002)(36756003)(7696005)(6666004)(336012)(426003)(186003)(16526019)(1076003)(26005)(2616005)(356005)(81166007)(36860700001)(83380400001)(110136005)(54906003)(478600001)(82740400003)(47076005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jun 2023 19:05:21.4502 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a60e0303-9c32-407e-f5fe-08db70f82149 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: SA2PEPF00001507.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB7095 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1769161601379238498?= X-GMAIL-MSGID: =?utf-8?q?1769161601379238498?= In this series, three feature control support for amd_pstate has been added. 1. EPP: User can control Energy Performance Preference (EPP) value, which conveys user's performance vs energy preference to platform. This feature is present on amd_pstate and intel_pstate active mode. 2. amd_pstate mode switch: amd_pstate has various working modes such as 'active', 'passive' and 'guided', which can be changed dynamically. 3. Turbo boost: Turbo boost feature is present in amd_pstate as well as acpi-cpufreq. By default this is enabled, but user can control this feature dynamically. These features can be controlled with `cpupower set` command. The options are respectively --epp, --amd-pstate-mode, --turbo-boost Also, make cpupower recognise amd-pstate-epp driver. Changelog: v2->v3: - Use common prefix to recognise amd-pstate-epp driver. - Picked up review tag from Mario. v1->v2: - Drop patch 1, which was amd-pstate-epp driver rename change. - Picked ACKs from Ray. Wyes Karny (5): cpupower: Recognise amd-pstate active mode driver cpupower: Add is_valid_path API cpupower: Add EPP value change support cpupower: Add support for amd_pstate mode change cpupower: Add turbo-boost support in cpupower tools/power/cpupower/lib/cpupower.c | 7 +++ tools/power/cpupower/lib/cpupower_intern.h | 1 + tools/power/cpupower/utils/cpupower-set.c | 65 +++++++++++++++++++- tools/power/cpupower/utils/helpers/helpers.h | 11 ++++ tools/power/cpupower/utils/helpers/misc.c | 57 ++++++++++++++++- 5 files changed, 138 insertions(+), 3 deletions(-)