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 B19D438643E; Wed, 1 Apr 2026 07:47:01 +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=1775029622; cv=none; b=ZjeUUTj+bvm5i/INyc+d/G+gKLaAly4iJvaEWQMYGsJHfOGHCJTAxvMBovaM6WbQb8p5jrtbOcC/ZNujrGCZkE1EuTqTFOFZjcRn5Ut3QYktPxP5djYbI0THp0Hz1guEReivJyUqLEvHmzpQnmMDCYGalsOHgHvs0E2T06y4OWc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775029622; c=relaxed/simple; bh=CrDkIk7DbbkMU8e+EcefKWlrD/MR5brATALzgwfYvRM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=c/yFUOGGh6dBhDe3pAwb//cVI4kqqiAazSSUooYEC/Rs+kMeqduqSoxpJKng8CyjvO4/8ubIZo9FBk/d91tTtva67sfhZBj5cA4FftgC1Acee9/Ny/JCs6tkA0US40Kav3ZR1ooJxHlugOYz8YEKa+drIMzJJ56BP494iWzjB9M= 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=bdwVBTLa; 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="bdwVBTLa" Received: from [192.168.88.20] (91-158-153-178.elisa-laajakaista.fi [91.158.153.178]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 3EFA1F52; Wed, 1 Apr 2026 09:45:29 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1775029530; bh=CrDkIk7DbbkMU8e+EcefKWlrD/MR5brATALzgwfYvRM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=bdwVBTLasCz284lvmDdCrjSKH1rJ89KsklrsyfGR4ShxvzjTd4XqSCLnyz5J/yJt3 nnIilmO8OyCtdvuv97s8o35boZyvjlIhPIebmEi9f0Tr59G8WILbldNG4l0TBWWRc2 ydiGjT9QcWTOstU4DGz22LI4OMXRECHmEFFjWnBQ= Message-ID: <1487bd9d-f514-4a33-9682-1e352edec424@ideasonboard.com> Date: Wed, 1 Apr 2026 10:46:48 +0300 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 00/21] media: i2c: add Maxim GMSL2/3 serializer and deserializer drivers To: Tomi Valkeinen , Ceclan Dumitru , Sakari Ailus , dumitru.ceclan@analog.com Cc: Mauro Carvalho Chehab , Laurent Pinchart , Julien Massot , Rob Herring , =?UTF-8?Q?Niklas_S=C3=B6derlund?= , Greg Kroah-Hartman , Cosmin Tanislav , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-staging@lists.linux.dev, linux-gpio@vger.kernel.org, =?UTF-8?Q?Niklas_S=C3=B6derlund?= , Martin Hecht , Cosmin Tanislav , Cory Keitz References: <20260311-gmsl2-3_serdes-v9-0-41499f09004f@analog.com> <8e924699-e0ab-4e39-a1d1-b218d749672f@ideasonboard.com> From: Tomi Valkeinen Content-Language: en-US Autocrypt: addr=tomi.valkeinen@ideasonboard.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 01/04/2026 09:47, Tomi Valkeinen wrote: > Hi, > > On 30/03/2026 10:15, Ceclan Dumitru wrote: >> >> >> On 3/11/26 9:58 AM, Sakari Ailus wrote: >>> Hi Dumitru, >>> >>> On Wed, Mar 11, 2026 at 09:17:12AM +0200, Dumitru Ceclan via B4 Relay wrote: >> >> ... >> >>> >>> ... >>> >>>> The following v4l2-compliance test still fails: >>>> fail: v4l2-test-subdevs.cpp(371): fmt.code == 0 || fmt.code == ~0U >>>> fail: v4l2-test-subdevs.cpp(418): checkMBusFrameFmt(node, fmt.format) >>>> test Active VIDIOC_SUBDEV_G/S_FMT: FAIL >>> >>> Could you post the full report here, please? >>> > So why do these failures happen? It wasn't obvious to me from the full > report either. I made a quick test with FPD-Link, and I see something similar. It's caused (for fpdlink, at least) by the serializer accepting any format, as it's a pass-through device. As a hack test, can you try adding something like this to the set_fmt op: if (format->format.code == ~0) format->format.code = MEDIA_BUS_FMT_UYVY8_1X16; If all the compliance errors go away, then it's the same case for you. Tomi