From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from BL2PR02CU003.outbound.protection.outlook.com (mail-eastusazon11011025.outbound.protection.outlook.com [52.101.52.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DD5793644CB; Thu, 5 Mar 2026 23:11:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.52.25 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772752290; cv=fail; b=EBTcUgIAPGBd7aqJDfsuzl3wQswH6MF+j1gbm6pQbs5qLcmNWV1nO676Z6f0fjyprM98MWFx3Gu9hbpBeYWFLBlsnHfdRgNMmoGZUtJV2QGfKl2W76iiSmSgy1C+hWj+J7gJXhAP/KM5MHzaBTIQknrubjjfd3T2fYWUB8Pp30c= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772752290; c=relaxed/simple; bh=6qI8p/SM0BSSCKZexB0HFjOkvZQKa5aCJ2+ZsA0NBMc=; h=Message-ID:Date:To:Cc:From:Subject:Content-Type:MIME-Version; b=ieBGPQRSWZNP3jC0zq0QN/goIF6FRgZe6OVTBDsAqB0FA7UL8Puel54Cifv2OUvT2E/vDFgKC/+VPYl6G5eOL6R3IhxPYZwpUyra3RiqHDsaboRQpBWB4yQl7Bz633fbpdlNtKUgq/5ILJ2BW8jk6WdEEaGEta1GgNhr/AGy6QQ= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=Lds+X2Jn; arc=fail smtp.client-ip=52.101.52.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="Lds+X2Jn" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=kxJmipR8mWgIZvPqEckxpfn1UOvOaKMnwOnz6vvofjFogHiMkjGnBhhbup6L4Fi13G+M5+eMOm59kgLp2VhQuzeIZgm5hYJYmwv9EqZpXJWbnPtpk6iUCj7ZVvXP533sPK7borb5BAvPl1LO9/MY9DxhVXg7JzoEVRv0S7T0U283/CHdtmMzCK5H5pIohiiccOl1AJv7L9jfGNMbS2ci38DgrkCJuTfBHqxO1vck1+NA/QqnR1jAMHneikh5+AI9KbUCLXMIjsSq7jZaZFAJHGkGlJj2llPRrgJElCAqe9r/xo7oRRCdpsOMStVIU2pOAl3sqt/LjfJTmOizF/yFLQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=KKkIZhJvZjIdM3iObxSkGqMlhKoaIiQAJ2hGaKb7VNE=; b=Cr6ybFOLd32Slms0G+sqpUsr9mrX+HgMQ92ibCivTyfOIeqIHNcyjPzuK/CoQRNg2rAxvaKfigjK4U96XF+T/DMLFyrbgQhqkdFd8F9W98woE4LZWgZ2AUtQvpWZ6llBzH6G1Za20958ZvleQ1k7VTaEmUBQR8FGTRCzSPyHlloEGBW0jQxsMSZNdPShBUsKvxak23sLNWN7LEI4qkjChyeLL6n6Xb96ShePEgIqcPfsYm9IwHsBkCux+wmrvOKV1MYJPpy1ZCvaAySo/FlBcN7WW/mK1nKfWOgpypfQ+4e/a3/JNpXgZap6/lq2DXKyCgMHxobgEc9JYz+Q0tZDUg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=KKkIZhJvZjIdM3iObxSkGqMlhKoaIiQAJ2hGaKb7VNE=; b=Lds+X2JnFaFhcJ4WdEis5rQl/Af+dIP2Ub1JKoMFJJwiCpYJyhru3M1VTu+Ki6WHfTlDSZ9Y3XZbt8s+h6ICC7Wm2uYal9sUcuqk3qXfA3HPooCnlUsuOY/GRo+IPPb5chMD6avBzIEkP2ndq/7gIyXRn4tI8d8Wy5enEbXM0xo= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from DS7PR12MB9501.namprd12.prod.outlook.com (2603:10b6:8:250::17) by DS0PR12MB7606.namprd12.prod.outlook.com (2603:10b6:8:13c::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9678.18; Thu, 5 Mar 2026 23:11:25 +0000 Received: from DS7PR12MB9501.namprd12.prod.outlook.com ([fe80::4564:457c:524b:6b96]) by DS7PR12MB9501.namprd12.prod.outlook.com ([fe80::4564:457c:524b:6b96%4]) with mapi id 15.20.9654.022; Thu, 5 Mar 2026 23:11:25 +0000 Message-ID: <007e3390-6b2b-457e-83c7-c794c5952018@amd.com> Date: Thu, 5 Mar 2026 18:11:23 -0500 User-Agent: Mozilla Thunderbird Content-Language: en-GB To: rafael@kernel.org Cc: W_Armin@gmx.de, lenb@kernel.org, Mario Limonciello , Bin Du , benjamin.chan@amd.com, king.li@amd.com, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev From: "Nirujogi, Pratap" Subject: [REGRESSION] AMDISP failure with kernel v7.0-rc2 due to Commit: 02c057ddefef5 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: YT4PR01CA0251.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:10f::19) To DS7PR12MB9501.namprd12.prod.outlook.com (2603:10b6:8:250::17) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS7PR12MB9501:EE_|DS0PR12MB7606:EE_ X-MS-Office365-Filtering-Correlation-Id: 3197040d-dd57-4412-8f0d-08de7b0c8610 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DS7PR12MB9501.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?OXc2RkRjQkk3dWNGZWhCamt5ai9hcFI0dE9rQ2w0ajJRdEJYOS9jNDFxcjNw?= =?utf-8?B?NTBKNlErV2wrVXhwNjdxVTMrcTE0S24vVlVSSVV4MWwxNDFvemI5NTUrOGI2?= =?utf-8?B?Y1BKUGttZkZXZzczaEVEZ3Y2M0pwd0g0WHFiZk1vNXZiR0VPMC9OT2c4clJ3?= =?utf-8?B?TWpFVW42aXpmbXBYK3AxOXdZK0o1cGJsRnZZSFBNeExVQnBucURsNFFrZ1lI?= =?utf-8?B?ME1WU1VaaVplL3B5ZmZObjhGTGh5dUJXUnZhNWt2UGZ5ZjU2N25TZzdiY0lk?= =?utf-8?B?Z1VkYjBlclBWOS9DNWpRNGdlZlJaQ0RDcTR4YmVPeFMvNTh6WG5IZmN0REtj?= =?utf-8?B?Q2pZeTBkaUcwUmR1ZURya3FZdnE3OVhCZjNJUFkza1dHRjc4d283cXRaeGhU?= =?utf-8?B?Q1BNQzdROG0vdjRmRTRNeGs1REpWS0RNTlJEUlNpTXBiUDVnV0VNOGU1SDBk?= =?utf-8?B?OTUybDFyUXRlOTAvbFpOSlVFTjV2bHVtSDU0MFR2K050eTVmeDlxN3Erc2dF?= =?utf-8?B?d3F6MVMrZ3FTSVRQTFVSZ1BIZ0ZHU2VZM3oyS3B4SmgzNTlrUDlFOXFMbFQ1?= =?utf-8?B?UTRTNUZCa1pVQmpvV1dCMU1OMElJbndrWXhWRXdPU2tLYjRoTy9BS3ZndFdM?= =?utf-8?B?d1JZNERkc3hUSUNIRVVpc01rYWphcm5YeFI4a1FJYlhpNjgzdzEwMjF2RGxW?= =?utf-8?B?L0ZTQXlQdGszbzBvUUpXWjhLMVluZGxCNHZLbDBqZDNJdlN0dWFlTmw1dGt0?= =?utf-8?B?VEU0bFg1eHZia1phaWxQRzFWTVlDVkttd0QzdmIvd1JNTklqREJLaXhGOStR?= =?utf-8?B?VGhYL2pXRWxaSDQxMTJ5OEs0L1QyS1hkL3R3eGcrcTAwYjRPNEl1dE02ZFhI?= =?utf-8?B?ZDJ5RG1uMCtSZGdFaGRpZVU2YW5qYklTY1JpVzhyV1Q5N01lTlVObEdSM05F?= =?utf-8?B?UGRnS3BtU0tzSlJJcy9TeXJYQTd1SlhITHZkWmdtcy9rK3Z6cVJpVEd0bEY0?= =?utf-8?B?dkJhbHYrd3RKY0k1WWZ4MmN3Nk96NGtiUGkvUlE3Si9QSkVqYnV1SEZTelJp?= =?utf-8?B?cloyWmg4MVJmNmFKNGhwM082d01CU1NpZlFEQVQva0xUSEFzdmtDOWFiVzZT?= =?utf-8?B?Ykc0RVZycnRSbXVxZEZ2REpNeEpkekR4RXNmMnF3ZUczbFRWdVk0OEI5Z0E3?= =?utf-8?B?cnRaeVhZc0hJbjFmMmZhRlpsWFN1MDBtd2dsYXFWSnUzcElLbjFqRE05SkxO?= =?utf-8?B?ODBYUWtMQXF6S2xVZkRYSnVvMkNjL3RvWW04aTVpcWl4bElCTXVRNitLMHAr?= =?utf-8?B?U1VVTlZQTXlPc21JWHN2YzlDSklucGozT0JST0ZqZFJ4SlBicTdtUjY5Slpj?= =?utf-8?B?d3RYSkNXb2JEeWMzZWJPYUxWRHg4MXQ0c2F1eDdhb1gxSjNmaDc0amtGeC9T?= =?utf-8?B?QUNrVDJlbmQ2UTFaQVNESUxsRmpmWXlwMDhFQWk4SmxIYStyb3dvYm5Danlw?= =?utf-8?B?MUFDSG4vQWp6dFR4WEozc0pCNkJOaTZsRlc2T05rZVpIb3NhSERDb1hnNkNn?= =?utf-8?B?cnJKVjNjMmRhQTd5VDRMdFlnYmI4M1RYQkJlTXRsVVpSVS8zaHhaQmJHYUw2?= =?utf-8?B?cjlEZ3hSanpNdXpEUS96VzVmSlVYRUtRVUpYYmw2MHVaYmtwWmk1VjB4dkVh?= =?utf-8?B?Q1NTN0pkSlVQWGtYejlwb1RQWXUySCtWWDNacGNyc0hpZjJGY0xZOE81akZQ?= =?utf-8?B?WDlIMm1uRHJmZUI4MVlETjR6OEZ0bDdVRmRuM3B1WFhLdkpNdDRFd1BpRGpQ?= =?utf-8?B?SnRyazNTdXR3ajdhaldxeS93MTE4WjVLMFZiTDNhcFpZNDFZY0thWlNLNnpt?= =?utf-8?B?bFRvRjlaYXJRekw3eWVNZGpKQ1ltcFlsVUxtU0hPT0R4QUczUEtHVXRzcVJJ?= =?utf-8?B?RktYWXhiOUFBM1orbThRMTRTWXpGRGd3L2ttaGwwaDdCdTF6VlRRZ0xRS0Fu?= =?utf-8?B?TEJjNXVqaGczUEN4b2hrdFRvbmpndUxLZUR4cFZBYnEwaG5GOThpckRxandh?= =?utf-8?B?WmZoUVgramNNeS83OWVWN21SQzRBOStwTFJWclRZNmR4dnBKL2JkbXREVUZ4?= =?utf-8?B?azdKclhhOE5SV2k0bnZKVDg3aFFOUVl3bkFEcmhxaDMxNUJ2SUxGMWJZZW1J?= =?utf-8?B?QVJFTVFvNWU3SExaSWh3VUs5Wm81Y1BvREZLQWF2dUtkNVV3c0lWTytWQ3A5?= =?utf-8?B?YXJ1VlZLT2ZwUEVXR0F4emFDNWtUU0xOelY4WGJMVkdQcmJ0MVdNWEVTVnph?= =?utf-8?B?OTh3bUV2UTFuU3ZSVFA3aS93ZGxlSExrMHZMNGtlUlBZa0ZodEdKdz09?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3197040d-dd57-4412-8f0d-08de7b0c8610 X-MS-Exchange-CrossTenant-AuthSource: DS7PR12MB9501.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Mar 2026 23:11:25.3981 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: +eYF7fW01aIyHD+AWcoRrsXFYLZAOVL1NjQZzmTtFIjcTlYqhAJrSfNzDmPX58V6Tptm0Ty1+qW8op+Qxe5dxg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB7606 Hi Rafael, In kernel version 7.0-rc2, the AMDISP device reports the following errors when created via mfd_add_hotplug_devices. [ 5.236645] ACPI: video: Video Device [GFX0] (multi-head: yes rom: no post: no) [ 5.236744] input: Video Bus as /devices/pci0000:00/0000:00:08.1/0000:c3:00.0/amd_isp_capture.1.auto/input/input21 [ 5.236779] acpi device:14: Error installing notify handler [ 5.236782] acpi device:15: Error installing notify handler [ 5.236783] acpi device:16: Error installing notify handler [ 5.236784] acpi device:17: Error installing notify handler [ 5.236785] acpi device:18: Error installing notify handler [ 5.236786] acpi device:19: Error installing notify handler [ 5.236786] acpi device:1a: Error installing notify handler [ 5.236787] acpi device:1b: Error installing notify handler [ 5.236788] acpi device:1c: Error installing notify handler These failures indicate AMDISP device is incorrectly detected as ACPI Video device while it is not. The seems like a regression caused by the change that converts the ACPI video device to a platform device (commit: 02c057ddefef5). Issue is not observed in 6.19-rc6, and also when this change is reverted in 7.0-rc2. I really appreciate your inputs on addressing this issue and helping us make progress on 7.0 rc2. Steps followed to reproduce the issue: 1. Apply AMDISP v9 patch series [1] on top of kernel v7.0-rc2 2. Add NULL check for “dev->type” in isp_genpd_add_device() [2] (to avoid kernel panic found in v7.0-rc2) 3. Build kernel with: - CONFIG_AMD_ISP_PLATFORM=y - CONFIG_VIDEO_AMD_ISP4_CAPTURE=m 4. Install kernel on AMDISP supported system (HP ZBook Ultra G1a) 5. Boot system to see the failures [1] https://lore.kernel.org/all/20260302073020.148277-1-Bin.Du@amd.com/ [2] https://github.com/torvalds/linux/blob/master/drivers/gpu/drm/amd/amdgpu/isp_v4_1_1.c#L132 Thanks, Pratap