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Mon, 22 May 2023 01:33:43 -0500 From: Wyes Karny To: , , CC: , , , , , Wyes Karny Subject: [PATCH 0/2] amd-pstate: amd_pstate related fixes Date: Mon, 22 May 2023 06:33:23 +0000 Message-ID: <20230522063325.80193-1-wyes.karny@amd.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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: DM6NAM11FT022:EE_|BY5PR12MB4885:EE_ X-MS-Office365-Filtering-Correlation-Id: bff0d857-67a2-4177-6f1d-08db5a8e7f27 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)(396003)(346002)(376002)(39850400004)(136003)(451199021)(36840700001)(46966006)(40470700004)(44832011)(5660300002)(40460700003)(8936002)(8676002)(36860700001)(83380400001)(47076005)(2906002)(4744005)(16526019)(186003)(426003)(336012)(36756003)(2616005)(356005)(82740400003)(81166007)(86362001)(82310400005)(40480700001)(1076003)(26005)(110136005)(54906003)(316002)(6666004)(478600001)(4326008)(70586007)(70206006)(7696005)(41300700001)(2101003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 May 2023 06:33:46.7422 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bff0d857-67a2-4177-6f1d-08db5a8e7f27 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: DM6NAM11FT022.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4885 X-Spam-Status: No, score=-1.9 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=ham 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 This 2 patch series has the following 2 fixes for amd_pstate: - Currently, amd_pstate sets CPPC enable MSR for a single CPU. But ACPI specification recommends driver to set CPPC enable register per-core. Align amd_pstate driver with the spec. - Remove some extra checks for active mode which are not required. Wyes Karny (2): cpufreq/amd-pstate: Write CPPC enable bit for each core cpufreq/amd-pstate: Remove unnecessary active state checks drivers/cpufreq/amd-pstate.c | 64 ++++++++++++++++-------------------- 1 file changed, 28 insertions(+), 36 deletions(-) -- 2.34.1