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Tue, 10 Oct 2023 13:00:27 +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 DS2PEPF0000343E.mail.protection.outlook.com (10.167.18.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6838.22 via Frontend Transport; Tue, 10 Oct 2023 13:00:27 +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 15.1.2507.27; Tue, 10 Oct 2023 08:00:22 -0500 From: Shyam Sundar S K To: , , , , , , , , , , CC: , , , , , , "Shyam Sundar S K" Subject: [PATCH v3 07/16] platform/x86/amd/pmf: Add support update p3t limit Date: Tue, 10 Oct 2023 18:29:08 +0530 Message-ID: <20231010125917.138225-8-Shyam-sundar.S-k@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231010125917.138225-1-Shyam-sundar.S-k@amd.com> References: <20231010125917.138225-1-Shyam-sundar.S-k@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] 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: DS2PEPF0000343E:EE_|CO6PR12MB5491:EE_ X-MS-Office365-Filtering-Correlation-Id: 264650c0-7474-4c57-f179-08dbc990e027 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: 10 Oct 2023 13:00:27.5463 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 264650c0-7474-4c57-f179-08dbc990e027 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: DS2PEPF0000343E.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO6PR12MB5491 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org P3T (Peak Package Power Limit) is a metric within the SMU controller that can influence the power limits. Add support from the driver to update P3T limits accordingly. Reviewed-by: Mario Limonciello Signed-off-by: Shyam Sundar S K --- drivers/platform/x86/amd/pmf/pmf.h | 3 +++ drivers/platform/x86/amd/pmf/tee-if.c | 8 ++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index 88ee3c705913..20f3e16b0a32 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -49,6 +49,7 @@ #define GET_STT_MIN_LIMIT 0x1F #define GET_STT_LIMIT_APU 0x20 #define GET_STT_LIMIT_HS2 0x21 +#define SET_P3T 0x23 /* P3T: Peak Package Power Limit */ /* OS slider update notification */ #define DC_BEST_PERF 0 @@ -72,6 +73,7 @@ #define PMF_POLICY_STT_MIN 6 #define PMF_POLICY_STT_SKINTEMP_APU 7 #define PMF_POLICY_STT_SKINTEMP_HS2 8 +#define PMF_POLICY_P3T 38 /* TA macros */ #define PMF_TA_IF_VERSION_MAJOR 1 @@ -476,6 +478,7 @@ struct pmf_action_table { u32 stt_minlimit; /* in mW */ u32 stt_skintemp_apu; /* in C */ u32 stt_skintemp_hs2; /* in C */ + u32 p3t_limit; /* in mW */ }; /* Input conditions */ diff --git a/drivers/platform/x86/amd/pmf/tee-if.c b/drivers/platform/x86/amd/pmf/tee-if.c index 277103e4346d..92879ae4f8f0 100644 --- a/drivers/platform/x86/amd/pmf/tee-if.c +++ b/drivers/platform/x86/amd/pmf/tee-if.c @@ -105,6 +105,14 @@ static void amd_pmf_apply_policies(struct amd_pmf_dev *dev, struct ta_pmf_enact_ dev->prev_data->stt_skintemp_hs2 = val; } break; + + case PMF_POLICY_P3T: + if (dev->prev_data->p3t_limit != val) { + amd_pmf_send_cmd(dev, SET_P3T, false, val, NULL); + dev_dbg(dev->dev, "update P3T : %u\n", val); + dev->prev_data->p3t_limit = val; + } + break; } } }