From patchwork Tue Apr 23 07:58:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Perry Yuan X-Patchwork-Id: 791861 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2081.outbound.protection.outlook.com [40.107.93.81]) (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 49E6954645; Tue, 23 Apr 2024 07:58:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.93.81 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713859130; cv=fail; b=kNa1j/BJ1f/xcZkxH2LKq8YGmnBRS0DiovTPyxhdd603lrxZFKHxTjnVU55+a28+CXw5pLjc2TSrd8VGXXeYgAYHhb6uwLWndsRmSZGDbvrAsK7AuB3ru8oS+OyeebjP1mm17hBNQ4li8J9kgvWRgvgFu8+UVbpVNIftqHZVexc= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713859130; c=relaxed/simple; bh=7qVpJHN69a+YM7VR5sMzFULPFNuxFuQfsn4vU1YeY4c=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=iupX7H06aL4D/zvlzMl3E80MuAEeRQ3aXJnGdzMqPAGZL4vQpgrSl2qzrJ9oq/AuMwMeoGkKXMmZ3akXRi5nMHcD05Ny22Qq7BG1hWp8xYREMnOW2XvGO9FDmWnzJ51XvtQpTQS35UOmumoUA+5UN68c7ex3/gkuNZ2/DW+k+YA= 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=SHMubgXB; arc=fail smtp.client-ip=40.107.93.81 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="SHMubgXB" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=F81n6tzL0IAksGZ8JOrEYUkwa5mJTIfpWIxQHuH2a9J9ey0CX7/S0mlOA5j9otXi4r52PT7ejYKjRbOXmXRJcjr2P08Gmjln5XnqvGSvAYaht8DLBaAhK6o1WsddlFIkEuJSzXEOgpVXPd9lhRLCwpC6vXCzYNnmhYJTwn03dDeV7EKyvd7wuKj4djZoha8P7o7MXWv3Jlm4pArRmbdZB4l+4d2/9WwdyanN7GsfgZJ1HKoUvl60DGNhDxnJQcYCsOcolARMZgPfFnao3G73j3TwJF8MzsZJBjjxYGxxvy+Xqn68bVPbwgsubuvOUe1etJSSfptyqm5p9w1kiFCQAg== 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=7HXeCwDP1hShOrQ2Q2cbuT0Gosp0Fwy3kjqWF577x4k=; b=QGoUCcB6Kw9SCdRybkUgOFK72c96oGDgpk/jyP3DYJllQLXFfCE6oBoOlqJX55ptruoC4xZq5wAIS8jZyIVTER6irUH9YZB5wO3OI8xY8lvPjzmrCkMw07/OaGnSuRmOqT4L7vfO9pcqZ+HLDtNTJwqrPjopd4AVU5e6djZ7s8oMxH1u8Dzy5OU56CBE0sbd6rNn4vORURu8SgUlaWlmwR9n2JrOmU67pOmmysD52RQXSgyq3x4aymRZwvEQUHUfto7E8vcMZC66ZskWN+PeBjQDiME6gc6GCEy8xLt+gOdYjCo/ZOD152NL3WqU4QKKG2gZeNAfVxcuiN4FM7nUxw== 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=7HXeCwDP1hShOrQ2Q2cbuT0Gosp0Fwy3kjqWF577x4k=; b=SHMubgXBFyEpem8R78tbMVBPAQ+839spSuCM4NcrapO66nSysSrXLjRuStXIMIW82UEPmCcY4p+PFI2o5Z5A48UZs5lk2YJD2hqRvtlfZ23VDB1XzoE1q5gYtbtOCgYDH1yZk4Jrr/pt5hPLYNNBYbItDLyqvQvvQE4u/I6gIbc= Received: from CH2PR03CA0020.namprd03.prod.outlook.com (2603:10b6:610:59::30) by SJ2PR12MB8829.namprd12.prod.outlook.com (2603:10b6:a03:4d0::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7472.44; Tue, 23 Apr 2024 07:58:45 +0000 Received: from CH2PEPF0000013E.namprd02.prod.outlook.com (2603:10b6:610:59:cafe::a0) by CH2PR03CA0020.outlook.office365.com (2603:10b6:610:59::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7495.34 via Frontend Transport; Tue, 23 Apr 2024 07:58:45 +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 CH2PEPF0000013E.mail.protection.outlook.com (10.167.244.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7519.19 via Frontend Transport; Tue, 23 Apr 2024 07:58:45 +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 15.1.2507.35; Tue, 23 Apr 2024 02:58:41 -0500 From: Perry Yuan To: , , , , , , CC: , , , , , Subject: [PATCH v11 1/8] cpufreq: amd-pstate: Document *_limit_* fields in struct amd_cpudata Date: Tue, 23 Apr 2024 15:58:17 +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: CH2PEPF0000013E:EE_|SJ2PR12MB8829:EE_ X-MS-Office365-Filtering-Correlation-Id: e361bc8b-6b1d-4f79-8f28-08dc636b336b 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)(376005)(82310400014)(1800799015)(36860700004); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Apr 2024 07:58:45.4480 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e361bc8b-6b1d-4f79-8f28-08dc636b336b 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: CH2PEPF0000013E.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB8829 From: "Gautham R. Shenoy" The four fields of struct cpudata namely min_limit_perf, max_limit_perf, min_limit_freq, max_limit_freq introduced in the commit febab20caeba("cpufreq/amd-pstate: Fix scaling_min_freq and scaling_max_freq update") are currently undocumented Add comments describing these fields Acked-by: Huang Rui Fixes: febab20caeba("cpufreq/amd-pstate: Fix scaling_min_freq and scaling_max_freq update") Reviewed-by: Li Meng Tested-by: Dhananjay Ugwekar Signed-off-by: Gautham R. Shenoy Signed-off-by: Perry Yuan --- include/linux/amd-pstate.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/amd-pstate.h b/include/linux/amd-pstate.h index d21838835abd..212f377d615b 100644 --- a/include/linux/amd-pstate.h +++ b/include/linux/amd-pstate.h @@ -49,6 +49,10 @@ struct amd_aperf_mperf { * @lowest_perf: the absolute lowest performance level of the processor * @prefcore_ranking: the preferred core ranking, the higher value indicates a higher * priority. + * @min_limit_perf: Cached value of the perf corresponding to policy->min + * @max_limit_perf: Cached value of the perf corresponding to policy->max + * @min_limit_freq: Cached value of policy->min + * @max_limit_freq: Cached value of policy->max * @max_freq: the frequency that mapped to highest_perf * @min_freq: the frequency that mapped to lowest_perf * @nominal_freq: the frequency that mapped to nominal_perf