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 2712CF8DFE9 for ; Fri, 17 Apr 2026 08:38:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ltFXTW39AuvbycVL5++OmNK05mWl4h+eZuI0Xlt6WlI=; b=vJrVJLKD6FhOFP kxErWxiQxDyrcUnWN2kSjlG5BUdnVNb9NWCqpmgotQ4vIFjr4dLI9M0tph9P5X2Id2ABigH7Yy0qF szNQBd+Kpu519c/5qR22sS3R5aR2TO8ZoCi+ymI89itM2OdRmKQquCVb9DHFGH5yKdQXNeZzC2h33 fDN+SPOXTa3Y3ZLP/SmqE5YkGpDDUAb6bCdi1DhAkhvva0pBfQypXqp0Jwu+hWEIz3HkQqkCtqxNp q+MRME+EDD8wG/oAmiMte959QGdj6ngIorycpNBMpu4MlOPNy8PDL+QBt1L8dtrPPhoCGUE/UuCP0 z3qKvOvVWco+WvdxQ6ww==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wDeie-00000003gQ0-2BVo; Fri, 17 Apr 2026 08:38:32 +0000 Received: from mail-westeuropeazon11010068.outbound.protection.outlook.com ([52.101.69.68] helo=AM0PR83CU005.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wDeia-00000003gPV-199j; Fri, 17 Apr 2026 08:38:30 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=o6FMobXTrqjh60C5r2XeLVfxpDwYxjNzPFjyGzrSYyLOryKhOmR13t0VghKQXk05LWoBixwn5T/4IVDR5Y08ywyCyVY/pwKOGtYl43WhH1VDZ265sDT8/Wt6JSNmNfmFLvzFaIajXyYkl82ZUKmGslHLIC/aRACiM3yrbTsGV94B1DW01vojp6KCt+AsdFy5TRjpjhvB43E1/8D7rkaCxHPr3gN8t6Rfk8cbM+eZbdCQXq8Qs7r1Gv+T47Ccc6wb1/ZgnHEsjcs2inBsEqo3ikAipQybhPQ41VDx4QBn63s3rO4LcF6CZodmgKygriqQm/emV/k8rCSODNbPZSyj/w== 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=YFEDu02q44MLsx8oQGkhtf/ys1giJJR+YZDFWnzGUSk=; b=obSTH1jx92WAsHJ9B0HWYNkSrVv5jIo6L71tdbMKok2kXRawfAuiqNjFutGGFKdJ/xpgEJ/c0B3MleJTsWBV0ioF6D+TgntcWL8ne+yWMhjzBr8DjZ3t4oijPOLaNpleq8I82sFxTHI4KbYPTowq2kxmGJndldRvOgcC+YvR+wsq0FLJ3aEmdvDXVTctRFB1wJB2ng2p/kXPT5WudYZ6Nug/jOCGhk/65jlvKojPsFhTQqxYnbFyptplwCPfKDljVkfKEnSZSYgwJMphUHMAnZcE8Fyyk6BXbBcEq58Yz93NH0oo9808MazdfJliPNP98KSle35Y+Td23bGFS5rD7w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=YFEDu02q44MLsx8oQGkhtf/ys1giJJR+YZDFWnzGUSk=; b=FrwMq52ckcXHY+n44y4FNJZzH4Xes7bkfTYLzIHdL9WQ7a3ZoCO6efDerfV6Wv38bEAoZiC0X2DoT7XWVy/nMnpOzHe47CdZ4suh3BCMG8TIraq6QALghS9g/5NhEcvPSNt+6xcgyKcAkG1tDb87mINpPqe4qJJe0IDPZYDRmMXv95MjWJvIiTKWIc3KsvJOp1dYxoC1VtutVtxetEp/bzNLUYLJLQefbnPcLM9d+lqtfcnUIwn9XOuJ3+qfuO1D/bmHm40c8OMrYOr69Br+doL7c5S/y+agc8izhX0PcvaUZQstd0Fea1hs3cfCzTuTcGyqV6SwrXDtEgzBxkT5BA== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from PA4PR04MB9366.eurprd04.prod.outlook.com (2603:10a6:102:2a9::8) by DBBPR04MB7753.eurprd04.prod.outlook.com (2603:10a6:10:1e1::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9818.25; Fri, 17 Apr 2026 08:38:22 +0000 Received: from PA4PR04MB9366.eurprd04.prod.outlook.com ([fe80::75e4:8143:ddbc:6588]) by PA4PR04MB9366.eurprd04.prod.outlook.com ([fe80::75e4:8143:ddbc:6588%6]) with mapi id 15.20.9818.023; Fri, 17 Apr 2026 08:38:22 +0000 Date: Fri, 17 Apr 2026 04:38:16 -0400 From: Frank Li To: Guoniu Zhou Cc: Michael Riesch , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Laurent Pinchart , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH 2/5] media: synopsys: Add support for multiple streams Message-ID: References: <20260415-csi2_imx95-v1-0-7d63f3508719@oss.nxp.com> <20260415-csi2_imx95-v1-2-7d63f3508719@oss.nxp.com> Content-Disposition: inline In-Reply-To: <20260415-csi2_imx95-v1-2-7d63f3508719@oss.nxp.com> X-ClientProxiedBy: SN7PR04CA0229.namprd04.prod.outlook.com (2603:10b6:806:127::24) To PA4PR04MB9366.eurprd04.prod.outlook.com (2603:10a6:102:2a9::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PA4PR04MB9366:EE_|DBBPR04MB7753:EE_ X-MS-Office365-Filtering-Correlation-Id: d519725f-d2a4-458a-1a32-08de9c5caf13 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|366016|376014|7416014|52116014|19092799006|1800799024|18002099003|22082099003|56012099003|38350700014; X-Microsoft-Antispam-Message-Info: ivG5WEzSQdjNOyIkUsBjTJH2rvgHWtaELYBHVvdKt2pkARg58Y7SfZI3KfhjJLUzi7j3JcbNnis9/2W3O8SBP+FZ2kTzHYJ/+U86dYS9uURMJEhfwrvHiuZ3gT+41CB9U0hGEL1uJHneo2zNbcC2LFQ3SvadQLYlW+pBEgR6P5aywr48CawWs/mymqkNtQCZJ2dZQxcP4rltzOEpcCcG+l84UHDe+olGfp9XISFeUWa5K9rwnKrPK1k8gOM45TP4He6Bsk+I0SQOR5qQSBddNjw0bo6WC3OX/GYcncSRJXAyvQBXsP6NW5fyfeoAdNbOKGLjFQybEbVWeP8Eg4a2VIKuPCre9YtVqKgTAW2r1WNRSaIGQL/Q82b7vWxmJe6RjZM9R9UlvjAQNI3hVg+kPgJvO5RfM78tmqJAzYC8UeV87G/ln2JMSOIPLjkiz53uwRYffXvwbE/CO45WzlI+xjJsgwBAQRvM0M82b+rRPMyvDuwDRvBGi1GD3UM4T9JDkiA53Fo73uBTgeZ6xxd2e90N4vrZZOPvi+LfGdqQ96RqlNxPon6VMVKXEyLruti5DZbFCqwKZgG/lC+zmABnLXGpKEvJDRiPzvhY4yRyZvJx7LOhALxApiHmoDwOLz5rtvX6qyBRoU0et9LqSs83wxtSxP4W2a5A7AFk+ADrZGoNAhlt0/H0FduYh2thnrrnN7v7ulzEGrR2NfVYs7rM2/0atKhDCXzUiwjXY7UuMdkNnGEJu2UGjpedHMO/nHRYqe3LIb/OXgM51jnOZMJo3NYrOSpn6opktuVcKJoIXEQ= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PA4PR04MB9366.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(376014)(7416014)(52116014)(19092799006)(1800799024)(18002099003)(22082099003)(56012099003)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?TH68uuZrwjq9h3SLwnIWaGf9+Yv5qehRaBZPSEO9jR7R+Sp4Z/CPQ1K1mCTr?= =?us-ascii?Q?fTljGDnmAg9GJLlIPhPmtFCkv9NqtOHJyb0aIhEKYqexODYAGo0C/aHv8KaI?= =?us-ascii?Q?g1ZSW9NzveIycn+blCncUQAdcO8htJdIr9SDiWK80K7qwbejyHoMaUPR44B+?= =?us-ascii?Q?aCXOODqBxLvl4GWIJmHxfbKSSS7G1VkT80xEdQMROVOgvysDhZCFwiDOvSNy?= =?us-ascii?Q?0qNDRMHOfm5w88r6GqMDN9Hw/hLE/wjS2nFVSat9FoiCzjQ9B074EF2scy1T?= =?us-ascii?Q?VoqyRtZgX/liK3nqvwqBoQmVEjtYP5zTx2doARYuc3QkEp9BaplZUg4yNohq?= =?us-ascii?Q?70jkreYvq3bSdHXJq36H5e2jP8FmX98K3OROShnXIvaN9c7HQ+RcYhula7Z/?= =?us-ascii?Q?D3rCZau3rTp2hmHfQcNUjVj0r5f4bYvk4ZayaMQXPdD+n2GkGKt3CmXCjy9P?= =?us-ascii?Q?IvllZ/azRXQKDknW2WxXNoxf/JjBBoDRotrxtzdEwCufDM9TwF5cAMg3NtzP?= =?us-ascii?Q?Oyiy+x079ygmKjdpGtGZGCOg33A4I5EpFfSLcEbsNblzx2Yej04EpryLfvCg?= =?us-ascii?Q?tQ12Z/8sO5nsl244nzdkUmBeSdHarSyO30AeRIpjhiIJ3py2oZal90JK58g/?= =?us-ascii?Q?5j28jIKGJm4t6zV+R7k6Jh6vqjF1JDukqdT1NMhAC05IVKjoMmkC3SIFXE7m?= =?us-ascii?Q?UwVLJs6nzwzv1DJtUeBjauvuSut+mYNPUeBMuYm9b1J6+gbk5FqtD/GpCJtJ?= =?us-ascii?Q?LgTlWY7vCVZF/LZ6Nd9dJIDkakjzn8Pfq8vv3mM5LsCXHrBNnHPsFSbH3QOs?= =?us-ascii?Q?Vk4ixLFpS52wVKGFSYYi89+J92KTYMynPlSr68sWC4EbOLIGKJSk7in9jMQM?= =?us-ascii?Q?66eoAR8QMwGOgO3SCsNnZUEcVo56nji7VlISgW3hPiOdLS6FDPQ2EdFEKtYI?= =?us-ascii?Q?CZ9xSAfPb51ZX3TsmaJnBeukMtm3ffChf353NTmRJqJTDoCr9gJKi6Xq7csC?= =?us-ascii?Q?gc+TXktYudiJ+35tDVB9MmlZ029piY6vkaGJRgGMkkCwU8IyL+qDhu2Xzb/t?= =?us-ascii?Q?ZvmNXth9+EbdFdp63aMZA6cv6oLynOTb7SgxRG7eglYGRh05fwHY30aErSWC?= =?us-ascii?Q?QqUWh/qr4twKj2vVQ+T1vOYGtxB1Rg8Sv7BOq615gBfk22lnr61MWIk5CF1Q?= =?us-ascii?Q?fA/JMGtDY/aOLEEKyRCRFtwvXRi0ZeG1WPGGpq7vB0Ii5/0t6L1jX8OUwzt5?= =?us-ascii?Q?OwmZYgmRhZWif0E9RvILPyE0/wMBRz2b7pOecM/uPE8dUCVzLXvjk0oo3vuB?= =?us-ascii?Q?hXfkUb2ieeokh1vbd5lT13QjsNA0/HtefKDG+s/0+8J8iT6UOQKXj2DUOtJF?= =?us-ascii?Q?1bS16IppNSDSUKsWsXlQR/ysEKfmc5lm86Uail8as7RsRxxTt12YMIRDUcX8?= =?us-ascii?Q?mC7KmlM2KgGivootVe+zZlv6+85dV1qr78mJ5Je4Mf6f/3MfPJSXdXanOeWn?= =?us-ascii?Q?e5MoA8U7yhPhCc+AcEcD4MiQwuIqMqQK8zaRWO33DtqRyphEDre7HSARYDvH?= =?us-ascii?Q?IjDz6XEvGHpySx39cg24naWW6mVkX0SX88SKOHolDu8KzxKAp85mo/Md8xnw?= =?us-ascii?Q?wNd/EU6+IZyEDV6CVHHCf7QPEyJ9ei2Is0+xvTPk2w02jYRcv3gyHAcXX+r4?= =?us-ascii?Q?soObH/KuEiA9A0zlPl9jnwSrDnp2Hx4tyCC26VjpoqoOL9r51wMlcvyIXxWR?= =?us-ascii?Q?Sx+E7lWLZA=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: d519725f-d2a4-458a-1a32-08de9c5caf13 X-MS-Exchange-CrossTenant-AuthSource: PA4PR04MB9366.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Apr 2026 08:38:22.2858 (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: 4QrORUYSJE3CS2F5F9OCeFrmHFfBxNTzsEWsQ/2GFa2OcVnBXjq/b3xRLddTOhO0uzPuW2iGcYusvWwWLTOsNA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBBPR04MB7753 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260417_013828_343411_8F90A289 X-CRM114-Status: GOOD ( 12.59 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On Wed, Apr 15, 2026 at 11:46:53AM +0800, Guoniu Zhou wrote: > The current driver only supports single stream operation. Add support > for multiple concurrent streams by tracking enabled streams with a > bitmask and only initializing the hardware once for the first stream. > > This enables use cases such as surround view systems where multiple > camera streams need to be processed simultaneously through the same > CSI-2 receiver interface. Look like this driver only one sink and one source pad, how to implement multiple stream. Frank > > Signed-off-by: Guoniu Zhou > --- > 2.34.1 > _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip