From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (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 157B13BE155; Thu, 11 Jun 2026 09:24:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781169873; cv=none; b=vCRxODAMqY7uJ2GYyfl3eVV5g18zEnln8E7RaTQrcfrK+1vFvNajmpBJdNCqPwsrsVze6XhT/xgpJrx1yneDJKq8gQc51/28fDHWS68wlSKOqvYu16VEC8pPRI4cG40joWm3HAXV+Mf8p7NXEw4cpFlZPtkX1dMqwmDJ7wQwv8k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781169873; c=relaxed/simple; bh=Vpoeq9CJeJAl/f0rQtCJJSZHV8AdYDemmm15xmmUZEY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DHEqlVxdu+AxDrWQMRMth9dEY4zZsfUr+bXPKpbQUl2ahBqWk3YbtFzKGWSSBIXnzH99jd2d3ek9qQEBNC+esr6wJ8NrP9JpUrtRWgwATvdRtK/Bh9tUUu4UzvZCSjAEql97BakrB7esjBU/4yfPWB+Hymv2hQER0VfD7AqYLOI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dsY1RBHm; arc=none smtp.client-ip=198.175.65.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dsY1RBHm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1781169870; x=1812705870; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Vpoeq9CJeJAl/f0rQtCJJSZHV8AdYDemmm15xmmUZEY=; b=dsY1RBHmYzwS+JywZnGZnJ2cvFTC/44pt2Iq9jrGX25gKwfY6WTXQVKr dLDXh38EgiyQDdv2JRQmRh77VTP7pAPeIh3/SxkMnxkjsFD1R9asGnzSH G3gxEz53aMWCU4IP6naSMfXk3GUbxeHtX8kH2XYPZ8Sxf47hf4nEMhont tZUC7C5JAWTgt0XbmWkH3T8IG4cMjrNm4XiqkMsiL0PCl12Xa5jOxs2OQ YQbRnOzW4HD/VTnZ7A7cqd06lBYfYzHDwJNhyYETCXLqUp4A3NL3lB8/M sSGwxMuEiMy7KuH7hyYRxurr65bxjLBqBcAlk53MSTvZdPmAViA2xI8sw Q==; X-CSE-ConnectionGUID: rcN2iVk2SCGrneGZ5Zq7Xw== X-CSE-MsgGUID: Sc3XV/fBRXmebPWp6GHr7A== X-IronPort-AV: E=McAfee;i="6800,10657,11813"; a="85607234" X-IronPort-AV: E=Sophos;i="6.24,198,1774335600"; d="scan'208";a="85607234" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jun 2026 02:24:29 -0700 X-CSE-ConnectionGUID: aeYXjMlKQTyfUn2WuHWlAw== X-CSE-MsgGUID: HyU1BRt/T1yNMlk4YUoxAA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,198,1774335600"; d="scan'208";a="246453708" Received: from abityuts-desk.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.244.136]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jun 2026 02:24:28 -0700 Received: from kekkonen.localdomain (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with SMTP id E24E1120835; Thu, 11 Jun 2026 12:24:23 +0300 (EEST) Date: Thu, 11 Jun 2026 12:24:23 +0300 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo From: Sakari Ailus To: Tomi Valkeinen Cc: Dave Stevenson , Mauro Carvalho Chehab , Laurent Pinchart , Jacopo Mondi , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] media: imx219: Report streams using frame descriptors Message-ID: References: <20260611-imx219-frame-desc-v1-1-fe7e975bca6e@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260611-imx219-frame-desc-v1-1-fe7e975bca6e@ideasonboard.com> Moi, On Thu, Jun 11, 2026 at 12:13:02PM +0300, Tomi Valkeinen wrote: > From: Laurent Pinchart > > Implement the .get_frame_desc() subdev operation to report information > about streams to the connected CSI-2 receiver. This is required to let > the CSI-2 receiver driver know about virtual channels and data types for > each stream. > > Signed-off-by: Laurent Pinchart > Reviewed-by: Jacopo Mondi > [tomi.valkeinen: picked from "Generic line based metadata support, internal pads" series] > Signed-off-by: Tomi Valkeinen > --- > This patch that adds .get_frame_desc() support to imx219 driver has been > circulating for a few years, and is currently posted in "[PATCH v12 > 00/86] Generic line based metadata support, internal pads" series. > > However, as some bridge drivers require modern drivers that support > .get_frame_desc, specifically ds90ub960.c, let's pick the patch and > queue it separately from the huge metadata series. I've been recently working on . In other words, drivers that have a single stream don't need this. We could probably extend that further by making use of the routing information but I think that should be left for later. -- Terveisin, Sakari Ailus