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Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH V1 0/2] Get real time power input via AMD PMF Content-Language: en-US To: Mario Limonciello , , , , , CC: , , , , , , References: <20251211175802.1760860-1-lizhi.hou@amd.com> From: Lizhi Hou In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000971E9:EE_|MN0PR12MB6127:EE_ X-MS-Office365-Filtering-Correlation-Id: 5b1c075f-f2ff-4270-ac6a-08de38e9ca8d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|376014|1800799024|13003099007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?Ris4RjYxY1BPWkhGQXQvajhuTXN6dy9LLzRZYnRHTnBGaStTKys3aHhackxv?= =?utf-8?B?TkJqMTlWTGRIZTJ0eVNlYmRXdHdaaVFSTVRzL25JOC9TV25vcEdpd2dxb0FR?= =?utf-8?B?T3ROUDh5K0N0bld5RHRSZjRTa0NIT1hhMFU5NmlOUWVIYmdrYTJ6UlFwM1dD?= =?utf-8?B?MnZlODFRYXNpQ0hvcVh6dHkyUG96b2QvQUJNODdjRTRKTkhlS2NrZE1rTjVV?= =?utf-8?B?MEFId1RjQkVWeUlkNUxkMVlmTzJEM1d0UVc0dVo2UmgyQlJCTHBWRVlVMSt1?= =?utf-8?B?d1NCUlkyWmdxMThneHZQSC9UL2VIcjhJb3ZxbENyVndpUlNzYTNVZFp4U1dI?= =?utf-8?B?UHZuVEU5ZTN5dzBhZUQwSW9UN2wxaUt5WTFsd1VOQ1hMYVVocTFlNTJGcVVC?= =?utf-8?B?ZVBRZ1RSTGdmSUFvODg5OHozMTE2L2tpZTBUZG9mdVlIc2ErMUNqVWszTWRL?= =?utf-8?B?SzliWVh2Q0xMSTNENS9oSTBLNGlWYzVkQ0NqeE95eTZKN2FOUlE2V0laeXZT?= =?utf-8?B?bU54dXpuQjR1eHlGL215RlFuOUVMOHkrVytsb1p1S1RXNGpySkxZOFBtaVVQ?= =?utf-8?B?YW5xS2VYeEJVcTVVM2N1SzZFU3VMaUlnUWUxeUtTVkd1WldIV1FnYlNvSTNB?= =?utf-8?B?MmFSc1pKY0xUT3VRb0t0bUdWb2ZwcGRtc2p1OTN3WEJ0Mk1ucDF0Y0d6VUtJ?= =?utf-8?B?N1FXZThxa1lZa3BiMno4Yk9JNkhscTVlQlMya044dkNxbUNWSW9uNHc2Q2kr?= =?utf-8?B?M3lCZGk4T1RITzZ0Vi9rMzJaR09BdEM2RXpPNWQxYUthSDhDZ3NqNnpLdjBO?= =?utf-8?B?Q1NPcW9pRkJqQ3hPejAyRU52NE4vL0JPQkg4WGJPcnJyNFdYNHhoZDFnM3Av?= =?utf-8?B?MXp2TG5jVGlZc2FyUWw0aytaSHA0c1htemc1NEFMbDFiU0xBbzBMV0lJTHZL?= =?utf-8?B?WGpXQ2U1RWNtVnBIbGl5cnBYb0VXNjRmOTYvaU8vTDNESk90VjU1T1E4c3NY?= =?utf-8?B?MjVMNkl0Tmt4OHdSTTIwbHVzTjRNNmZaQ2VTV0dsdGVBUCtLd0ZGTnBwRDNo?= =?utf-8?B?VmZTS2FvMGFqaFoyRUVKZW56Yk9leDZNemRLdzA2dXZhOXhWVXZEbTQwdmJp?= =?utf-8?B?RmlsTi8wNi9LenQzOGN2bXhMUTRvcWV3aHdMMDdmWjkvRk5razVnZWdIZWVW?= =?utf-8?B?QWNOaWNZYWdrTHdvYzhrL3BXU3A1Ung0eU1vamVmMTR1NWJmSEgycGp2YTN5?= =?utf-8?B?WE9Xb0ZMb1Q0RHVKWXFJZlZkdVU5dkEyYnpNYVlORmRwQ2tQV2VoY21Nc1oy?= =?utf-8?B?Z3dhTEtpWm52dXpnNGtqbUtJZ2tNLytQdWtuaDVVQnY0NFVMTk1DaWYvb0Fp?= =?utf-8?B?a2lPYWY5dWgzWUdhdEtLRkVMNWp6YVRRZEMrVzBWRWZ0U3A5RHMrNjJxNm1F?= =?utf-8?B?dUhmSHFQNjl3ejVrenFBVjlNZkxhc2RWMDU1d0ZKVU81WHRFYkl3SjVIdTRE?= =?utf-8?B?N002dHJKTmJxb1Y0V213dkFiOEpjS1lHRFVHbUc2ektZcHN4R1FDL2RESE9l?= =?utf-8?B?bWdnNGkxcDFMYjh0UEpBWHE2QTNSVzBxaFdhckZPRVljbU1rUnFhSjU5N0JJ?= =?utf-8?B?TGJwM3VSU2ZaU25RV3lQWmZhVGU0cmI5OE56OUQycHFwd0NNK04vZTFlSncy?= =?utf-8?B?cWtOdnpIS2xVMmhIQkI4ZTU0VTZXSWVHWnM2ZW9oeUNoL1ZWR3VUL1l5RG9B?= =?utf-8?B?YXFtQ3hpWWU0azI3cEsxc1ZBY2JyRFcyQTZKcE9PYVQzMmpBVWRwQS9pS2dG?= =?utf-8?B?OHVoWS9ZVmV3RGVvTGp4bHhwd1BRSWdyb0czdXNNdWFzUEQzNHIvWmpwZjJu?= =?utf-8?B?MWdUZWFwVEdZNm5lWVZhbFA3bDU1V0M5aEZJR3hCRmxBcXl1YklwVDVRbjBI?= =?utf-8?B?TnBEVFk0WUNsZmF5RHJXSVQvZUlHcGJwZ0lPTlhWN2pMZmpUak9lbjZZS2F1?= =?utf-8?B?Mld2WFBLY3c3RDRXdDNxZjNNREtsWEg0SzIzNy95S0o2SC9Sc2I0TVYzVVZs?= =?utf-8?B?WVdDWWV1NFZDLzU0R3BxZHFsczVrOW9MVVdPWTIrNWRLLzdVZ3UzYm1tTm1E?= =?utf-8?Q?R6lE=3D?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(82310400026)(376014)(1800799024)(13003099007);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Dec 2025 19:16:30.8664 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5b1c075f-f2ff-4270-ac6a-08de38e9ca8d 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000971E9.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6127 On 12/11/25 10:22, Mario Limonciello wrote: > On 12/11/25 11:58 AM, Lizhi Hou wrote: >> Adding new NPU metrics API to AMD PMF driver is pending because of >> lacking real case. >> https://lore.kernel.org/all/d344b850-f68d-f9a5-f0dc-55af4b48b714@linux.intel.com/ >> >> Create xdna driver patch to fetch real time power input via PMF API. >> Here is an example output with xrt-smi(1) tool. >> >> # xrt-smi examine -r all | grep Power >>    Power Mode             : Default >> Estimated Power          : 0.563 Watts >> >> Lizhi Hou (1): >>    accel/amdxdna: Add IOCTL to retrieve realtime NPU power estimate >> >> Shyam Sundar S K (1): >>    platform/x86/amd/pmf: Introduce new interface to export NPU metrics >> >>   drivers/accel/amdxdna/aie2_pci.c        | 29 ++++++++++ >>   drivers/accel/amdxdna/aie2_pci.h        | 18 ++++++ >>   drivers/accel/amdxdna/amdxdna_pci_drv.c |  3 +- >>   drivers/platform/x86/amd/pmf/core.c     | 75 +++++++++++++++++++++++++ >>   drivers/platform/x86/amd/pmf/pmf.h      |  2 + >>   include/linux/amd-pmf-io.h              | 21 +++++++ >>   6 files changed, 147 insertions(+), 1 deletion(-) >> > > Do you have a preference on how this gets merged ? Should it go > through drm-next or platform-x86-next? > > I suppose whoever is going to have more development layering on top > the next cycle it would be preferable to put in that tree. I do not have preference. :) And this depends on Shyam's previous patch which is not in drm-next yet? Thanks, Lizhi