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Wed, 1 Mar 2023 09:08:43 -0600 From: Mario Limonciello To: Shyam Sundar S K CC: Mario Limonciello , Hans de Goede , Mark Gross , , Subject: [PATCH 2/2] platform/x86/amd: pmc: Add a check for PMFW version on PS platform Date: Wed, 1 Mar 2023 09:08:20 -0600 Message-ID: <20230301150821.9791-2-mario.limonciello@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230301150821.9791-1-mario.limonciello@amd.com> References: <20230301150821.9791-1-mario.limonciello@amd.com> 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: BN8NAM11FT111:EE_|PH0PR12MB5420:EE_ X-MS-Office365-Filtering-Correlation-Id: 668f608d-6c27-4877-93fd-08db1a66d9b7 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:(13230025)(4636009)(136003)(39860400002)(396003)(346002)(376002)(451199018)(36840700001)(46966006)(40470700004)(83380400001)(82310400005)(336012)(54906003)(6636002)(2906002)(2616005)(426003)(316002)(37006003)(47076005)(16526019)(6666004)(7696005)(26005)(4744005)(36860700001)(81166007)(82740400003)(86362001)(36756003)(5660300002)(8936002)(186003)(44832011)(6862004)(478600001)(40460700003)(356005)(1076003)(41300700001)(40480700001)(4326008)(8676002)(70586007)(70206006)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Mar 2023 15:08:44.4261 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 668f608d-6c27-4877-93fd-08db1a66d9b7 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: BN8NAM11FT111.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB5420 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 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?1759179415962269326?= X-GMAIL-MSGID: =?utf-8?q?1759179415962269326?= When running s2idle on PS if using PMFW older than 76.49.0 we will trip up some bugs that will lead to freezes outside of the control of Linux. Set a guard that we only can enter HW sleep on 76.49.0 or newer for PS. Signed-off-by: Mario Limonciello --- drivers/platform/x86/amd/pmc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c index c42fa47381c3..e7c6c06b2ccd 100644 --- a/drivers/platform/x86/amd/pmc.c +++ b/drivers/platform/x86/amd/pmc.c @@ -778,6 +778,14 @@ static void amd_pmc_s2idle_prepare(void) return; } break; + case AMD_CPU_ID_PS: + if (!amd_pmc_verify_min_version(pdev, 76, 49)) { + dev_warn(pdev->dev, + "hardware sleep unsupported with firmware %u.%u.%u\n", + pdev->major, pdev->minor, pdev->rev); + return; + } + break; } msg = amd_pmc_get_os_hint(pdev);