| Message ID | 20221225163442.2205660-12-perry.yuan@amd.com |
|---|---|
| State | Superseded |
| Headers | show
Return-Path: <linux-pm-owner@vger.kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
by smtp.lore.kernel.org (Postfix) with ESMTP id CB54FC3DA7A
for <linux-pm@archiver.kernel.org>; Sun, 25 Dec 2022 16:36:45 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
id S231562AbiLYQgn (ORCPT <rfc822;linux-pm@archiver.kernel.org>);
Sun, 25 Dec 2022 11:36:43 -0500
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56498 "EHLO
lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
with ESMTP id S231504AbiLYQgC (ORCPT
<rfc822;linux-pm@vger.kernel.org>); Sun, 25 Dec 2022 11:36:02 -0500
Received: from NAM12-MW2-obe.outbound.protection.outlook.com
(mail-mw2nam12on2050.outbound.protection.outlook.com [40.107.244.50])
by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A016392;
Sun, 25 Dec 2022 08:35:46 -0800 (PST)
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none;
b=ak4N05bC0f1suIYn3S0SoTKaBgLpNKlfxKqRcVo+GRzBvr3QLDinpGMoqnhA1SNz0QQpxwBkm2LKcrFmWjsFnseVD8mvzmlqXh7aLWSWeCZpNuwopTfDDZk75dgjf0AQ3+faOLUOM5Gzp+MdBGoHn89Slr+Tx6Kppb+pe2jXHM21y+srHBG2ZSnT36xpIALtATdn9xC+bL6WSjcwHiRe1nrlUAeS57LxDOXZcdR3Mu0nELhjVFkCSPBPWTXVIShj27TT5vOXgLIjanJLjvQHWkTBuDgpGLyH9D7A0xsSvj+YWXYZ3RgcQnMAUrbkX6xGVYdeCD7Uw2ORgLnhoL51Ig==
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=Fj0Sw6ImPImF5dKyf7qz6SM78Z547bVC8FKFub9x/Xc=;
b=LnjLGeIQmxBEPVB8w1QhfaaVabWE6xgCxKmlIg9/SyPzJpfsfQwKyc21OwuEyrqPi6Q+2hms1OdT8JHlSWc0QemkHmdQON9pE7k3N04hMTWLV8QjlwGdbtHhV02HYEXpgxz1ECNPcnwU97z0HTDt6s078w1EcZe073sDElIvLXquvLIUHZtuTRrzQKXyVOn8RpWiVc36RzY0QxUFAuMDEikaCuIe3hZSt9Z6bw3EwJrSZnJUqqY9t28Pi1Ap2WaXGwWhPivcv0Y4L3Jjjaw2QzvBCbiUFuj/Sij7ehFk1xGQ+Z8+vWd/hoSiNYur9HTpl0kZBf3SlqU6DvqhMtIVgg==
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
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=Fj0Sw6ImPImF5dKyf7qz6SM78Z547bVC8FKFub9x/Xc=;
b=WxX8uXD/ln+tj2+OahdZ4mSptWvD06TDlkqcKObwjNUQoaPo/Nl3WOQXSit7HxJoNJVr4VQmwV9zM3cQsyN0Czr57vE5PIROJGQnx0FR2RT/hCS/xaOwgeGl2zrBzlwF3ZyEjdhXhsMvS2Cl0W8VyamOdNpiJ/9RRFwh3e2zYlA=
Received: from MW4PR04CA0267.namprd04.prod.outlook.com (2603:10b6:303:88::32)
by BL1PR12MB5077.namprd12.prod.outlook.com (2603:10b6:208:310::17) with
Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5944.16; Sun, 25 Dec
2022 16:35:38 +0000
Received: from CO1NAM11FT102.eop-nam11.prod.protection.outlook.com
(2603:10b6:303:88:cafe::17) by MW4PR04CA0267.outlook.office365.com
(2603:10b6:303:88::32) with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5944.16 via Frontend
Transport; Sun, 25 Dec 2022 16:35:38 +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
CO1NAM11FT102.mail.protection.outlook.com (10.13.175.87) with Microsoft SMTP
Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id
15.20.5944.16 via Frontend Transport; Sun, 25 Dec 2022 16:35:37 +0000
Received: from pyuan-Cloudripper.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
15.1.2375.34; Sun, 25 Dec 2022 10:35:33 -0600
From: Perry Yuan <perry.yuan@amd.com>
To: <rafael.j.wysocki@intel.com>, <Mario.Limonciello@amd.com>,
<ray.huang@amd.com>, <viresh.kumar@linaro.org>
CC: <Deepak.Sharma@amd.com>, <Nathan.Fontenot@amd.com>,
<Alexander.Deucher@amd.com>, <Shimmer.Huang@amd.com>,
<Xiaojian.Du@amd.com>, <Li.Meng@amd.com>, <wyes.karny@amd.com>,
<linux-pm@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v9 11/13] Documentation: introduce amd pstate active mode
kernel command line options
Date: Mon, 26 Dec 2022 00:34:40 +0800
Message-ID: <20221225163442.2205660-12-perry.yuan@amd.com>
X-Mailer: git-send-email 2.34.1
In-Reply-To: <20221225163442.2205660-1-perry.yuan@amd.com>
References: <20221225163442.2205660-1-perry.yuan@amd.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
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: CO1NAM11FT102:EE_|BL1PR12MB5077:EE_
X-MS-Office365-Filtering-Correlation-Id: 40bf84c1-71c5-41e6-29cf-08dae6960dff
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:(13230022)(4636009)(396003)(136003)(376002)(346002)(39860400002)(451199015)(36840700001)(46966006)(40470700004)(36860700001)(426003)(47076005)(336012)(83380400001)(86362001)(82740400003)(356005)(81166007)(2906002)(44832011)(8936002)(41300700001)(5660300002)(40460700003)(40480700001)(70206006)(82310400005)(478600001)(6666004)(7696005)(1076003)(2616005)(26005)(16526019)(186003)(4326008)(70586007)(8676002)(316002)(54906003)(110136005)(36756003)(36900700001);DIR:OUT;SFP:1101;
X-OriginatorOrg: amd.com
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Dec 2022 16:35:37.8936
(UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id:
40bf84c1-71c5-41e6-29cf-08dae6960dff
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:
CO1NAM11FT102.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5077
Precedence: bulk
List-ID: <linux-pm.vger.kernel.org>
X-Mailing-List: linux-pm@vger.kernel.org
|
| Series |
Implement AMD Pstate EPP Driver
|
expand
|
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 42af9ca0127e..73a02816f6f8 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -6970,3 +6970,10 @@ management firmware translates the requests into actual hardware states (core frequency, data fabric and memory clocks etc.) + active + Use amd_pstate_epp driver instance as the scaling driver, + driver provides a hint to the hardware if software wants + to bias toward performance (0x0) or energy efficiency (0xff) + to the CPPC firmware. then CPPC power algorithm will + calculate the runtime workload and adjust the realtime cores + frequency.