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Shenoy" , "Mario Limonciello" , Perry Yuan , , , , , "Shyam Sundar S K" , Perry Yuan Subject: [PATCH v7 06/12] platform/x86: hfi: init per-cpu scores for each class Date: Sat, 30 Nov 2024 09:20:17 -0600 Message-ID: <20241130152023.684-7-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241130152023.684-1-mario.limonciello@amd.com> References: <20241130152023.684-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: platform-driver-x86@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: DS3PEPF0000C37B:EE_|SA1PR12MB6846:EE_ X-MS-Office365-Filtering-Correlation-Id: 85b387bf-d457-48bc-bde2-08dd115294bd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|376014|1800799024|82310400026; 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:(13230040)(36860700013)(376014)(1800799024)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Nov 2024 15:20:53.5994 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 85b387bf-d457-48bc-bde2-08dd115294bd 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: DS3PEPF0000C37B.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB6846 From: Perry Yuan Initialize per cpu score `amd_hfi_ipcc_scores` which store energy score and performance score data for each class. `Classic core` and `Dense core` are ranked according to those values as energy efficiency capability or performance capability. OS scheduler will pick cores from the ranking list on each class ID for the thread which provide the class id got from hardware feedback interface. Reviewed-by: Gautham R. Shenoy Signed-off-by: Perry Yuan Co-developed-by: Mario Limonciello Signed-off-by: Mario Limonciello --- v7: * Drop mutex, move to proper patch --- drivers/platform/x86/amd/hfi/hfi.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/platform/x86/amd/hfi/hfi.c b/drivers/platform/x86/amd/hfi/hfi.c index 3c90e93fd192c..9671f07c76390 100644 --- a/drivers/platform/x86/amd/hfi/hfi.c +++ b/drivers/platform/x86/amd/hfi/hfi.c @@ -226,6 +226,31 @@ static int amd_hfi_alloc_class_data(struct platform_device *pdev) return 0; } +static int amd_set_hfi_ipcc_score(struct amd_hfi_cpuinfo *hfi_cpuinfo, int cpu) +{ + for (int i = 0; i < hfi_cpuinfo->nr_class; i++) + WRITE_ONCE(hfi_cpuinfo->ipcc_scores[i], + hfi_cpuinfo->amd_hfi_classes[i].perf); + + return 0; +} + +static int update_hfi_ipcc_scores(void) +{ + int cpu; + int ret; + + for_each_present_cpu(cpu) { + struct amd_hfi_cpuinfo *hfi_cpuinfo = per_cpu_ptr(&amd_hfi_cpuinfo, cpu); + + ret = amd_set_hfi_ipcc_score(hfi_cpuinfo, cpu); + if (ret) + return ret; + } + + return 0; +} + static int amd_hfi_metadata_parser(struct platform_device *pdev, struct amd_hfi_data *amd_hfi_data) { @@ -311,6 +336,10 @@ static int amd_hfi_probe(struct platform_device *pdev) if (ret) return ret; + ret = update_hfi_ipcc_scores(); + if (ret) + return ret; + return 0; }