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Wed, 21 Sep 2022 10:25:22 +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 BN8NAM11FT067.mail.protection.outlook.com (10.13.177.159) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5654.14 via Frontend Transport; Wed, 21 Sep 2022 10:25:21 +0000 Received: from jatayu.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 15.1.2375.28; Wed, 21 Sep 2022 05:25:19 -0500 From: Shyam Sundar S K To: , , CC: , , , Shyam Sundar S K Subject: [PATCH v3 0/3] platform/x86/amd/pmf: Introduce CnQF feature for AMD PMF Date: Wed, 21 Sep 2022 15:54:52 +0530 Message-ID: <20220921102455.1792336-1-Shyam-sundar.S-k@amd.com> X-Mailer: git-send-email 2.25.1 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: BN8NAM11FT067:EE_|SA0PR12MB4446:EE_ X-MS-Office365-Filtering-Correlation-Id: 991be1f3-b169-42dc-a16d-08da9bbb96f0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Sep 2022 10:25:21.9263 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 991be1f3-b169-42dc-a16d-08da9bbb96f0 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: BN8NAM11FT067.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4446 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org In this series, support for following features has been added. - "Cool n Quiet Framework (CnQF)" is an extension to the static slider, where the system power can be boosted or throttled independent of the selected slider position. - On the fly, the CnQF can be turned on/off via a sysfs knob. v3: ----------- - use "is_visible" and ".dev_groups" for sysfs registration and handling. - Squash patch 3/4 and 4/4 into one. - update ABI doc with changes as suggested by Mario. - Fix amd_pmf_load_defaults_cnqf() error handling. v2: ----------- - Enable CnQF only when static slider is set to "balanced" and other cases keep it turned off. Signed-off-by: Shyam Sundar S K Shyam Sundar S K (3): platform/x86/amd/pmf: Add support for CnQF platform/x86/amd/pmf: Add sysfs to toggle CnQF Documentation/ABI/testing/sysfs-amd-pmf: Add ABI doc for AMD PMF Documentation/ABI/testing/sysfs-amd-pmf | 12 + MAINTAINERS | 1 + drivers/platform/x86/amd/pmf/Makefile | 2 +- drivers/platform/x86/amd/pmf/acpi.c | 10 + drivers/platform/x86/amd/pmf/cnqf.c | 393 ++++++++++++++++++++++++ drivers/platform/x86/amd/pmf/core.c | 25 +- drivers/platform/x86/amd/pmf/pmf.h | 100 ++++++ 7 files changed, 541 insertions(+), 2 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-amd-pmf create mode 100644 drivers/platform/x86/amd/pmf/cnqf.c