From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 E06BC36A03F for ; Tue, 21 Jul 2026 00:32:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784593965; cv=none; b=KD6RksIczm3bBzDnEEAMBO3gdtaEPYBTNGq/6qFEV/H+/qvqlKSSNlPXwtMYfIBKv0S48L5nzy/fZ6qebJL56l1MZTPUkpNGt7qfw07uBrxYv+n7BlRRfno38lnes3O61/78OUnWcoo/hkOWQHNyNHRmHUJMTJyiPCq7Oqlx7EQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784593965; c=relaxed/simple; bh=3MboHrVOsKcCxNyFW5WNOLgmyyAmd5/jySUoTioNwPY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GLrlN74cSSqEOiiSlFrH8o279RkLr6kes7CXIfRq9B57hZmisS8Q51/xgnqvLw2InMzchjVWbL2gsLWJYE82cRmC8ZkPqk4S+huElnZLhOVaRNP3snoruoNYbX0foMibv0OAbQN6Q+MYJh9I3lotRlcsSKYdfnODOWDD+XA56gA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=u0iDjsZ4; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="u0iDjsZ4" Received: from killaraus.ideasonboard.com (2001-14ba-70f3-e800--a06.rev.dnainternet.fi [IPv6:2001:14ba:70f3:e800::a06]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 84A83517; Tue, 21 Jul 2026 02:31:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1784593902; bh=3MboHrVOsKcCxNyFW5WNOLgmyyAmd5/jySUoTioNwPY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=u0iDjsZ4S0QxQAKdsLSHEzMp/H+VXr2KsJKJyXDm9QKd7R6x/Ge9GCGEmNW4LLn0o 1IqdKAKZhGK1m2fQN4UMvQIVDb3cIzTFBogOzz7RXUlbx1vwbIPIzZ1WE39F+5osK+ Xb8zidBY8rTv95zKKkezkjPaRLHS2CNxO1oxeAR8= Date: Tue, 21 Jul 2026 03:32:40 +0300 From: Laurent Pinchart To: Guoniu Zhou Cc: Mauro Carvalho Chehab , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Christian Hemp , Stefan Riedmueller , Jacopo Mondi , Loic Poulain , Bryan O'Donoghue , Dong Aisheng , Guoniu Zhou , linux-media@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Laurentiu Palcu , Robert Chiras Subject: Re: [PATCH v2 0/6] imx8-isi: Bug fixes and format support enhancements Message-ID: <20260721003240.GG50424@killaraus.ideasonboard.com> References: <20260720-isi-v2-0-45845bc5d4fa@oss.nxp.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260720-isi-v2-0-45845bc5d4fa@oss.nxp.com> On Mon, Jul 20, 2026 at 11:34:02AM +0800, Guoniu Zhou wrote: > This series addresses critical bugs in the imx8-isi driver and extends > format support for high-end sensors and Android requirements. > > Patch 1 fixes a critical stream ID validation bug in the crossbar routing > where the validation loop iterates over the wrong routing table, allowing > userspace to bypass validation entirely and configure invalid routes. > > Patch 2 adds additional stream ID validation to enforce hardware constraints > (SOURCE stream must be 0). > > Patch 3 fixes a stream reference counting bug in the crossbar that prevents > multiple streams from different virtual channels on the same input pad from > being enabled correctly. Only the first stream gets enabled in hardware, > subsequent streams are silently ignored. > > Patch 4 adds support for 16-bit raw Bayer formats (SBGGR16, SGBRG16, > SGRBG16, SRGGB16) commonly used by high-end image sensors. > > Patch 5 fixes incorrect color mapping for XBGR32 format in memory-to-memory > mode (marked for stable backport). > > Patch 6 extends RGB format support by adding BGRA32, RGBA32, BGRX32, RGBX32, > and ARGB2101010 formats with full M2M capabilities to meet Android > requirements. > > Signed-off-by: Guoniu Zhou I have taken patches 1, 2 and 5 in my tree already ([1]). The CI pipeline is running ([2]). Once it completes successfully, I will send a pull request. You can base the next version of this series (patches 3, 4 and 6) on top of [1]. [1] https://gitlab.freedesktop.org/linux-media/users/pinchartl/-/commit/db30b841e534f6b97008583f6e63c93473f14afc [2] https://gitlab.freedesktop.org/linux-media/users/pinchartl/-/pipelines/1710408 > --- > Changes in v2: > - [1/6] Split v1 patch 1/5 into two patches: this patch fixes the core > for_each_active_route() bug, next patch adds additional stream > validation (Frank Li) > - [2/6] New patch split from v1 1/5: adds stream ID validation on top of > for_each_active_route() fix (Frank Li) > - [2/6] Remove incorrect sink_stream validation > - [3/6] Use fixed-size array for enabled_count instead of dynamic allocation > - [3/6] Use BIT_ULL() macro for u64 bitmask operations > - [3/6] Use MXC_ISI_MAX_STREAMS (64) as loop boundary instead of num_sources > - [3/6] Remove mxc_isi_stream_counters_alloc/free functions > - [4/6] Add Reviewed-by tag from Frank Li > - [5/6] Reword commit description for clarity (Frank Li) > - [6/6] Add Reviewed-by tag from Frank Li > - Link to v1: https://lore.kernel.org/r/20260629-isi-v1-0-deebfdb1b07b@oss.nxp.com > > --- > Guoniu Zhou (5): > media: nxp: imx8-isi: Fix stream ID validation bypass in crossbar routing > media: nxp: imx8-isi: Add stream ID validation for crossbar routing > media: nxp: imx8-isi: Fix per-stream reference counting for multiplexed streams > media: nxp: imx8-isi: Correct color map between V4L2 and ISI > media: nxp: imx8-isi: Add additional 32-bit RGB format support > > Laurentiu Palcu (1): > media: nxp: imx8-isi: Add 16-bit raw Bayer format support > > .../media/platform/nxp/imx8-isi/imx8-isi-core.h | 7 +- > .../platform/nxp/imx8-isi/imx8-isi-crossbar.c | 92 +++++++++++++++----- > .../media/platform/nxp/imx8-isi/imx8-isi-pipe.c | 24 ++++++ > .../media/platform/nxp/imx8-isi/imx8-isi-video.c | 97 +++++++++++++++++++++- > 4 files changed, 196 insertions(+), 24 deletions(-) > --- > base-commit: 06cb687a5132fcffe624c0070576ab852ac6b568 > change-id: 20260626-isi-00f05b044ac9 -- Regards, Laurent Pinchart