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Shenoy" , "Mario Limonciello" , Perry Yuan , , , , , "Shyam Sundar S K" Subject: [PATCH v5 12/13] platform/x86/amd: hfi: Set ITMT priority from ranking data Date: Sun, 27 Oct 2024 21:02:50 -0500 Message-ID: <20241028020251.8085-13-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241028020251.8085-1-mario.limonciello@amd.com> References: <20241028020251.8085-1-mario.limonciello@amd.com> 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: BL02EPF00021F69:EE_|PH0PR12MB8774:EE_ X-MS-Office365-Filtering-Correlation-Id: ad50181d-bb6b-46c5-8775-08dcf6f4b59c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|1800799024|82310400026|36860700013; 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)(376014)(1800799024)(82310400026)(36860700013); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Oct 2024 02:03:25.8530 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ad50181d-bb6b-46c5-8775-08dcf6f4b59c 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: BL02EPF00021F69.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB8774 The static ranking data that is read at module load should be used to set up the priorities for the cores relative to the performance values. Signed-off-by: Mario Limonciello --- drivers/platform/x86/amd/hfi/Kconfig | 1 + drivers/platform/x86/amd/hfi/hfi.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/platform/x86/amd/hfi/Kconfig b/drivers/platform/x86/amd/hfi/Kconfig index 08051cd4f74db..4dfa7641b35bf 100644 --- a/drivers/platform/x86/amd/hfi/Kconfig +++ b/drivers/platform/x86/amd/hfi/Kconfig @@ -7,6 +7,7 @@ config AMD_HFI bool "AMD Hetero Core Hardware Feedback Driver" depends on ACPI depends on CPU_SUP_AMD + depends on SCHED_MC_PRIO help Select this option to enable the AMD Heterogeneous Core Hardware Feedback Interface. If selected, hardware provides runtime thread classification guidance to the operating system diff --git a/drivers/platform/x86/amd/hfi/hfi.c b/drivers/platform/x86/amd/hfi/hfi.c index c8fe03d0c9ccd..50407ab805169 100644 --- a/drivers/platform/x86/amd/hfi/hfi.c +++ b/drivers/platform/x86/amd/hfi/hfi.c @@ -116,6 +116,12 @@ static DEFINE_PER_CPU(struct amd_hfi_cpuinfo, amd_hfi_cpuinfo) = {.class_index = static DEFINE_MUTEX(hfi_cpuinfo_lock); +static void amd_hfi_sched_itmt_work(struct work_struct *work) +{ + sched_set_itmt_support(); +} +static DECLARE_WORK(sched_amd_hfi_itmt_work, amd_hfi_sched_itmt_work); + static int find_cpu_index_by_apicid(unsigned int target_apicid) { int cpu_index; @@ -242,6 +248,8 @@ static int amd_set_hfi_ipcc_score(struct amd_hfi_cpuinfo *hfi_cpuinfo, int cpu) WRITE_ONCE(hfi_cpuinfo->ipcc_scores[i], hfi_cpuinfo->amd_hfi_classes[i].perf); + sched_set_itmt_core_prio(hfi_cpuinfo->ipcc_scores[0], cpu); + return 0; } @@ -459,6 +467,8 @@ static int amd_hfi_probe(struct platform_device *pdev) if (ret < 0) return ret; + schedule_work(&sched_amd_hfi_itmt_work); + return 0; }