From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7E29DCD3427 for ; Fri, 8 May 2026 03:03:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:Cc:To: Content-Transfer-Encoding:Content-Type:Message-Id:Date:Subject:From:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=8t2G01UxdXAvRPENh9S86/Jfg6Czfjig9CvnH+UFl3o=; b=SOkotiXI3u9bsNKAT0xMNfifgF m2DrA6WkPveclzUdAvzj/kTST/cEhDl80rk9l27iwNuwON0Z+kQ6ftqG0uuGb5mu9Q3IQ3UVsuipw qIHPJo0T+vykus1XiKxEJxSRteOGKiJkYXrzbfCXxCNFQimMvWRqx6p3dRQTg7G+0jUa8CdRfzwZS 2WpqXqHL+7uIELaU8AqrI7+5BspkBLkHTsH6bPmaqkTTPv2ZbWxe/SiQZk1yllgjSEsa1zj90QR+9 0vmZqL/Astx93Ep5YFCaa5IMXubWvLuKeca1p0opO+hgyDS4tFCSpx0gdxpIfwAIa7xRIK8EZ1OM+ TTeqPT7g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wLBUp-00000005OdV-3T1u; Fri, 08 May 2026 03:03:23 +0000 Received: from mail-westeuropeazlp170100001.outbound.protection.outlook.com ([2a01:111:f403:c201::1] helo=AM0PR83CU005.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wLBUm-00000005OcV-2a48 for linux-arm-kernel@lists.infradead.org; Fri, 08 May 2026 03:03:21 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=pQZJFjQSCb4OJFC5GiC3GcId6fwl7ueaYb9Bo/zFUQAFb53QOXUnOGdh1RdzYPVNZ4nodbU0aCEX+d1TWdmc3EHfiGr/atdFtmHWBBI0edDAgZimvO+16bJ8XuRpMT3iRWL69KL/9hw2Nwdw0lU/btmFKG0OHITOb1LU+GrQX5OKeKaHvuWmBo0wLZNd/VRkdBjZJ5Ne+A/Bm3kzexnn81U5GetanMwUmsz17pviq9BIg8W/nt0y3ntZ9CkZwrKxQKnvcgIGNbRmssfiRFxqutZHGYr4+ZqrbQMQTqilRATYQ8KFBDtgSCyaU1/uuXvQJRSqdCZ6x6dcYgRQlkEXhQ== 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=8t2G01UxdXAvRPENh9S86/Jfg6Czfjig9CvnH+UFl3o=; b=yVzYEMGz/vIEAKCRfee98YTaSuu4xz2pL8VrYq84B4P96Jqu170AU8c/0e/yLEajMc87kEXbAmYbsPTzjx1M/EUzVuYEHZh4fvFxjTKv9RhLe/h0OTU5KaF4hb1aznJyZMzgySBoVYVTprUyfPt+eyKQu+/n12Hpe2I0vD69wzvcPVDGLTk6SCUhGvhuQ/Wijb8G3gULYFi0RTMVsyxjv2lPeSM3XR+GM2O/a5Ix7w7dJu8bBTNpStVCUCKEmAGmqmSlfFCnUlOAxO1amyxp89zDAy41ALm3Vo2U0ngZgbZrurWLidsuZGBm/mPKo5nhRdJRdZoTjXSMI0iP9F6YJw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector1-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=8t2G01UxdXAvRPENh9S86/Jfg6Czfjig9CvnH+UFl3o=; b=H+MeXB/FFd/gxWy0rpkPI4uuFxeC5X9451ookqjNDUBdG6EKa2+hCfFEO60ByJYl6YokZ8F2FmODteyrhKsmjsetfNmZddCAovyKYs3TunsDn3o25/k205QrjtTxwJXr4838+fp0iimtH7gplHbTOqMkw1DOZpRhQeGQJWceGDQFv2Ed8BTgDkmDsrs1WJ5VFmwQfaOOLpg4hpXSjl6tjKstdf54fNh0VdzK8Z634RIwwYk5zV0B+FvqFY4m1VlLIxqj7eYr+/NTd5WJyh9izRLUwN+iwLt3Vayy9oqf9gfxlvxYAjA1qtkMqL22Tys9O6MPJMI4xFd33c566ZWvxg== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from AS8PR04MB9080.eurprd04.prod.outlook.com (2603:10a6:20b:447::16) by AS8PR04MB8006.eurprd04.prod.outlook.com (2603:10a6:20b:288::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9891.19; Fri, 8 May 2026 03:03:12 +0000 Received: from AS8PR04MB9080.eurprd04.prod.outlook.com ([fe80::92c2:2e03:bf99:68eb]) by AS8PR04MB9080.eurprd04.prod.outlook.com ([fe80::92c2:2e03:bf99:68eb%6]) with mapi id 15.20.9891.019; Fri, 8 May 2026 03:03:12 +0000 From: Guoniu Zhou Subject: [PATCH v4 0/2] media: nxp: imx8-isi: Add virtual channel and frame descriptor support Date: Fri, 08 May 2026 11:05:39 +0800 Message-Id: <20260508-isi_vc-v4-0-feee39c63939@oss.nxp.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-B4-Tracking: v=1; b=H4sIAANT/WkC/12P0W7DIAxFfyXieVS2gYT0qf8xTVMAs/LQpIMs6 lTl38dSKer2eK17ju27KJwTF3Fs7iLzkkqaxhr0SyP8eRg/WKZQsyCgFhT0sjbeFy/JmhgsGtT AopavmWO6baLXt0fO/PlV2/NjKNxQWPrpcknzsSFvI2NETRpCZyIBEGPryLW9N54CdRw0evHrO qcyT/l7u3HBTfb/nAUlyhjAWVAmoA+n8XY91G2bYKEnCGGHqEKDd7HrgrPcxr+QeoLI7pCSIAd Qrh/a+gJ2p6mUww6u6/oD7KaCWlQBAAA= To: Laurent Pinchart , Mauro Carvalho Chehab , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Aisheng Dong , linux-media@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Guoniu Zhou X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778209560; l=2686; i=guoniu.zhou@oss.nxp.com; s=20250815; h=from:subject:message-id; bh=YOTDio0Kknms79aIuGxjnSEKO62Y63EeVptQII60ASg=; b=37V7BIQ/9PL42pwwmb6T+YR4uNO07m+XZTc0MdbDrzqsKbWN0YX2MMYNILAJfT4Vp+zmtxbvl 3vbdb1NQiRqAgt0G3JR8She/uuUCFy5Xwvj5zSGMWRbPz87ffytnqqh X-Developer-Key: i=guoniu.zhou@oss.nxp.com; a=ed25519; pk=MM+/XICg5S78/gs+f9wtGP6yIvkyjTdZwfaxXeu5rlo= X-ClientProxiedBy: SI2PR02CA0007.apcprd02.prod.outlook.com (2603:1096:4:194::23) To DU2PR04MB9081.eurprd04.prod.outlook.com (2603:10a6:10:2f0::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB9080:EE_|AS8PR04MB8006:EE_ X-MS-Office365-Filtering-Correlation-Id: eed1cb8f-7180-49d9-6d17-08deacae573b X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-LD-Processed: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|19092799006|52116014|376014|1800799024|366016|18002099003|38350700014|56012099003; 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:AS8PR04MB9080.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(19092799006)(52116014)(376014)(1800799024)(366016)(18002099003)(38350700014)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?cEMwZytUOXk1Z3dOYlJCV3pJQlNGaUdPVDdrNDlVZFhMK01lcFJ4bzJmNFJG?= =?utf-8?B?YTdjKzBlNGljdThuYzgyMjd6czgvV2dOYzVnRi9QdVIxaUZocXYvSVlnT1hS?= =?utf-8?B?NGF3UnMyeU9vV2FGeEUzWGVyVVdIcEU0VVZtYmkxOUpwdnNlV2JUYkFjeU9X?= =?utf-8?B?U3RyY2QvY09CY0lvckx0TkYwNmNZRERaWWJJTU5JYkJVK3JQT3JLNjdwTm1v?= =?utf-8?B?WE0xclUzZEVPQXpLT24rendHbGd3a0tZVHlvVG9oWGJSclhyZGNTTWEyb09F?= =?utf-8?B?WDFRVnpCd1dRd08vYXhlRWpONUl1WkJmakFyeks0QUttcVlPZ1ZweVRXYzBX?= =?utf-8?B?MmFHd3lGWlJQZXd6cTRVbndIcjdRTURIVEdGYWdkNlAxbUhrSzZKUVpEK3M5?= =?utf-8?B?U2I5RGJwOGtFYUVpUDdIMHRYZmRzV3BXR0Y5ckk2NnVDY3ovZmI5MTJMbUYy?= =?utf-8?B?d2MyZ1N1VEkyYjR0eklOZE9lU1dHUEFhWkdiYTlKWUNpc254Y1p1NGNFMzZE?= =?utf-8?B?amo2UTRCUnRpYm9LK01WMUs1eWFjYkpORXprL3RlV1VQWjROS1pkQUY4Skow?= =?utf-8?B?M3lNclJ3QVNMNHU5YkVldWw4Qm1lcUJxeWh2QmlqTXBZL2Vsai9OZkhvWXZW?= =?utf-8?B?T2cwRTFNU2cvUlNmb2gyb1k4RnZRQWhkT0RXUTl4K0piWE5kTnpqT3RseVBW?= =?utf-8?B?YzVxWlhycStZZVVvcWZQYWVMcjArVHJ1Y0ZaZG42d1FLT3ZEZ25jbnhiaTdP?= =?utf-8?B?U2xEUXJrY1Q4bkY3S2lpa3dONVBid05OV2FCWm1udTI4L1EwNnV0bFBOV2xD?= =?utf-8?B?dStnVTVEQktWaVNTV1MxM3A0MUxrbk9WMjljMUg3WHJFRm1pM0pLd2RDclNX?= =?utf-8?B?UFlUZHBMMmtTSkJpN0ZZLzNscFp4VjRYeXh3V2ZVYkFvYmloV2UxZjZuYkNa?= =?utf-8?B?OXllK3c0MFVXOXgyenRWa1kzc2gyQkhDRzlYVVladjFOc2t6RzdUcG1GU1VX?= =?utf-8?B?OG50azk4eFZLd0FQSHYyUG1NcU5LYjRtRW50Q0Zqd29pSDR4YkpBcG8vcy9l?= =?utf-8?B?ZW5DeGVDbGVUTmlVYmJuUXdUMktnVW1weEsydFBZNDNjWmZIYk9BVHhsSEFR?= =?utf-8?B?cWFQN3FLeEZ0TE50M1ZpaFlMdjFRRzBHdnpqQ2IzM0p3ZVBpSU5ZNERPZnBw?= =?utf-8?B?L01BQ1Vaa2NXVDltS1JiRUtwTVBQY05rNm4ycUFzb0IxQTZaVmFGdEYweFpO?= =?utf-8?B?OTNTK0Y4b0pJUUlpYVFFamZ0TVhXOFZ3TFlIUHAwUldEU1g0NlNtRDYyMmtP?= =?utf-8?B?WGFvdEJzYTBnSTc5L1Z2cXBDVGVtNWd1T1ZrMnBNT0lCbVF1ZjM1Vk01ZUJq?= =?utf-8?B?ZkpsQWd6LzFwSDlEelJ2REdGbXJ3VDArWkxjMDFmajkwekpkbk5nZzA5UDlx?= =?utf-8?B?SUlYZkh1TWQ4emNRQmp6eXMvUFJDcWlhcGlicGZ3QU92bW13MEJJaHZZVkRs?= =?utf-8?B?M0ViZGpvckRYQkppY1BTMTZTLzl2NHdOOXc3SHIvbEZQdks0QURYZlcwRTl3?= =?utf-8?B?d204QmUwZnhNemd5NHJ5MkxYbDZrVUZaYS9BOE9rZ0pIT2JhMy90TW83WEJo?= =?utf-8?B?WmEvSVBKQUtOY3lRNVo1ckVacUpxSEN1NXpTTzJKeGlkUXpiamVWOUZDZktR?= =?utf-8?B?cHpYSWZBYmN4ZFB4bnpPSnBLSUFJdDZwbWE4WTE4WU9zOWk0cVBFU2Y2TGdj?= =?utf-8?B?QXBFRkw0RUpHd01QMi92RW5OL1BqY2dIQStXbDd1b05xS3lMSm91Zzkxazk1?= =?utf-8?B?T3R4K3lMMU9CWGZtZjUrOENuQUF4RVRwTnNFcW8rV29XNDE0ZEtLa1hDUml6?= =?utf-8?B?Y0FEQVJ4dVc2M3VZQzl5K053Y0E3eGNjaUdhbUtCQ3VwVDM0ckRKZnVNbllY?= =?utf-8?B?N3MwR0dtRmozRVZsUXV4aE1FZW1RZlZUN3JLUVNxTnhMdkZPbmVVTCsrMW9v?= =?utf-8?B?ell4MDE0L0s5bjFDdS9RU09wQWM1NWM2c2YyVG5RWkppaEhXQVRrTEVCY1hi?= =?utf-8?B?cE1LRnVrZXVjMmhEM3dIRTBZYU4yU29ab1hySUN0Q1pMRDJDVVVVSlBTbDdN?= =?utf-8?B?UG5GdGNveU45QkdkeTJLZlRXTzhzVjk3RDFvVTZIZksvNGIvT1F6Nk96aW1Y?= =?utf-8?B?UVRzcGcyeDlLTnJZcVYwRVRhdWRva2tNRHl4aVFFYXRLMFJ5aWhmTUtKMWcy?= =?utf-8?B?WkpDd2ZhNjl5aHkvS0FqTTRIa2xxaVJzLzJNMk5LTCtNSDZwUmh1STlpYWY1?= =?utf-8?B?aUorREFYdEtJQUx1WUpuTU13NFhUQzVJVE8rSHZQZ0d2d1lwTlNXUT09?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: eed1cb8f-7180-49d9-6d17-08deacae573b X-MS-Exchange-CrossTenant-AuthSource: DU2PR04MB9081.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 May 2026 03:03:12.5651 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: WvSOcJ35MDHNQ8GZeraVBo+Hs5acp2tF0JdyKmZQm5djFr0AXnW1rf3XH31dHna0jEn/NIuxAz2JqZgTDrEkYg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB8006 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260507_200320_678982_91F6E560 X-CRM114-Status: GOOD ( 10.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch series enhances the i.MX ISI driver's with virtual channel support and adds frame descriptor capabilities to the crossbar subdevice. Signed-off-by: Guoniu Zhou --- Changes in v4: - Rebase to latest media/next(previous dependency now in mainline) - Fix VC boundary check: use num_vc (virtual channels count) instead of num_channels (ISI pipelines count) - Set VC to 0 when frame descriptor has no entries - Move platform-specific comments to block style to fix line length warnings - Use %d instead of %u for ret variable in error messages - Fix potential -ENOIOCTLCMD leak by resetting ret to 0 on continue - See each patch's changelog for details - Link to v3: https://lore.kernel.org/r/20260328-isi_vc-v3-0-a03b9a6fe117@oss.nxp.com Changes in v3: - Rebased on latest media/next - Add num_vc field to platform data to indicate VC support - Clear VC_ID_1 bit after reading CHNL_CTRL for proper VC switching - Set VC_ID_1 only on platforms with num_vc > 4 - Improve mxc_isi_get_vc() error handling - Add back CHNL_CTRL_BLANK_PXL and document platform-specific register fields - Add xbar get_frame_desc() implementation (feedback from Laurent Pinchart) - Link to v2: https://lore.kernel.org/r/20260310-isi_vc-v2-1-acbf77db8e6f@nxp.com Changes in v2: - Add Rb tag from Frank Li - Fix typo in comment(s/support/supports/) - Update commit log to include more details about ISI virtual channel support on different platform - Include bitfield.h file to fix following build error drivers/media/platform/nxp/imx8-isi/imx8-isi-regs.h:23:65: error: implicit declaration of function ‘FIELD_PREP’ [-Wimplicit-function-declaration] - Link to v1: https://lore.kernel.org/r/20260309-isi_vc-v1-1-fd0b8035d1cd@nxp.com Changes in v1: - Depends on https://lore.kernel.org/linux-media/20251105-isi_imx95-v3-2-3987533cca1c@nxp.com/ --- Guoniu Zhou (1): media: nxp: imx8-isi: Add virtual channel support Guoniu.zhou (1): media: nxp: imx8-isi: Implement get_frame_desc for crossbar subdev .../media/platform/nxp/imx8-isi/imx8-isi-core.c | 3 + .../media/platform/nxp/imx8-isi/imx8-isi-core.h | 4 + .../platform/nxp/imx8-isi/imx8-isi-crossbar.c | 98 ++++++++++++++++++++++ drivers/media/platform/nxp/imx8-isi/imx8-isi-hw.c | 14 +++- .../media/platform/nxp/imx8-isi/imx8-isi-pipe.c | 59 +++++++++++++ .../media/platform/nxp/imx8-isi/imx8-isi-regs.h | 12 ++- 6 files changed, 186 insertions(+), 4 deletions(-) --- base-commit: 2c8fe1f14240d75f2002e16b2b69c5c2d27ed41c change-id: 20260309-isi_vc-285fd815140e Best regards, -- Guoniu Zhou