From patchwork Tue Feb 6 04:33:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yuan, Perry" X-Patchwork-Id: 770523 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2061.outbound.protection.outlook.com [40.107.93.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C1D017A736; Tue, 6 Feb 2024 04:35:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.93.61 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707194106; cv=fail; b=fw7uFfcJVTm3/RyjfnnrWB3iHzSWmuOlIqJcEHwLpaj8u521jdUJByL6qAPK0No0Mymo7tiaj6OoOocuJE0ZBzk+D4QbRHScraMP/1Ipx0lUFVIS6D4OdjRl0nPlKUPFMw+tUOY/xdtIeS4IQU1cOzRfiJztpP2LzDD+NEWiCdo= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707194106; c=relaxed/simple; bh=a7HUM9GDkpRgPggDObzXxL1tRHl/EW7CtZAkMKBnLBw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NZOmnia32+PSoxO5oTaAbZHGNsy2Psd10SvJoiWrmaXArNdgphkqnPIOSjm7O2kKptg9lyyDQUWu27hw8sDaPEcHHjttdo3zDYffDJWlr5FhjEUu84SNQUgrEahak1xIjrvztgASXytktYX/YhdLD5Ga1TTU0f1G3UFcubNZa2k= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=XzZx1I3i; arc=fail smtp.client-ip=40.107.93.61 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="XzZx1I3i" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=AaGiQDuOMGWTFYDPI+vBVT/kJKyQXBME+rD6TwjuhA9nYPnH8PI0BkxXy6rm5jwJkJ1rzHezdzXgtjWuhBex0N9Z0RwQzrV4M12X3hI1bcEyGYpx2g8cmmbzMAVcHiD5yqW5D/KjbAJUBkRJ2hF1km5JmxuiM7y3fA1o+ITXoO7m+rEtQ4HlX+vzQaoHnpL8dn4U5O5fNHqeYuNz1SU2zo+PJS4FSmYjDIlp0Aebl/ErO3lRMjq3+F1e8DgqlxMXNOXgoUHZgbbULoQYRABwvkEB82u55kjGTeqol7Jz92Y+j7n8GTMXTq4hF1cMXfhz/Nq3Hj7sL4xpNk4jnV4diw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=wFgA1+hhdAvzSZ0OZkDcArmwSqv0z4KqbobNxKdpI6o=; b=CyUqpA/x30AGKY7JJfL2IwUEVpPvX9+J8ObCftPOeFLA9ILKaVYJClSmEQVzznuszxXKmNw3H/gnxs7IMIDPnm6xMMkn4ahhDiIsGZicF1DZHR7ZRqOsxMwlNM19TlXbx+8M+Cb1kTKtzbqOPvgPjyEEfLdmooiIORkPIoWx1Xjlz7QnsUW/Ty37Ll7xKdb+Vx+EAr9Rr4iKwkQXeB2WZPPS62DNbU6IHiVZGCAUw8rL8YyO0iCC2ZIradGW3ezbIClOK/0WdEMgso0wx8kYHh82S+LkEIXvw5fKCfVh+SurN2mjfXksXSp7qFH9G4XyLsmxf1Ef7xzbmYthzdPiEg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=intel.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=wFgA1+hhdAvzSZ0OZkDcArmwSqv0z4KqbobNxKdpI6o=; b=XzZx1I3iRiyF61wIURd++Q4oWbo4x3Y/tH2yapB5kyntOqM243E4I4jZE3rmjNdpd8a1pDAYaqvhYxLiXgmM4YST+Fc6xf604/LG7RFMraSAt1ub+KVaiUVXzUiR06awjrLGQhJzBU/ywjS/e0yOhh1VU0q/nTsYdy6fNxw1tH4= Received: from BN9PR03CA0280.namprd03.prod.outlook.com (2603:10b6:408:f5::15) by PH8PR12MB7327.namprd12.prod.outlook.com (2603:10b6:510:215::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7270.15; Tue, 6 Feb 2024 04:35:00 +0000 Received: from BN1PEPF0000467F.namprd03.prod.outlook.com (2603:10b6:408:f5:cafe::e5) by BN9PR03CA0280.outlook.office365.com (2603:10b6:408:f5::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7249.36 via Frontend Transport; Tue, 6 Feb 2024 04:35:00 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN1PEPF0000467F.mail.protection.outlook.com (10.167.243.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7249.19 via Frontend Transport; Tue, 6 Feb 2024 04:35:00 +0000 Received: from pyuan-Chachani-VN.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.34; Mon, 5 Feb 2024 22:34:49 -0600 From: Perry Yuan To: , , , , , CC: , , , , , Subject: [PATCH v4 2/6] cpufreq:amd-pstate: fix the nominal freq value set Date: Tue, 6 Feb 2024 12:33:55 +0800 Message-ID: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: BN1PEPF0000467F:EE_|PH8PR12MB7327:EE_ X-MS-Office365-Filtering-Correlation-Id: b8bde978-d09e-4aaf-c7c7-08dc26ccfab9 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:(13230031)(4636009)(376002)(346002)(136003)(39860400002)(396003)(230922051799003)(186009)(451199024)(82310400011)(64100799003)(1800799012)(46966006)(40470700004)(36840700001)(478600001)(16526019)(26005)(426003)(336012)(2906002)(2616005)(82740400003)(356005)(41300700001)(83380400001)(8936002)(54906003)(6666004)(4326008)(36860700001)(8676002)(110136005)(70206006)(6636002)(316002)(81166007)(44832011)(70586007)(7696005)(5660300002)(86362001)(47076005)(40480700001)(40460700003)(36756003)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Feb 2024 04:35:00.0962 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b8bde978-d09e-4aaf-c7c7-08dc26ccfab9 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: BN1PEPF0000467F.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7327 Address an untested error where the nominal_freq was returned in KHz instead of the correct MHz units, this oversight led to a wrong nominal_freq set and resued, it will cause the max frequency of core to be initialized with a wrong frequency value. Cc: stable@vger.kernel.org Fixes: ec437d71db7 ("cpufreq: amd-pstate: Introduce a new AMD P-State driver to support future processors") Reviewed-by: Mario Limonciello Signed-off-by: Perry Yuan --- drivers/cpufreq/amd-pstate.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 08e112444c27..ac7faa98a450 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -640,8 +640,7 @@ static int amd_get_nominal_freq(struct amd_cpudata *cpudata) if (ret) return ret; - /* Switch to khz */ - return cppc_perf.nominal_freq * 1000; + return cppc_perf.nominal_freq; } static int amd_get_lowest_nonlinear_freq(struct amd_cpudata *cpudata)