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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3976BC00140 for ; Mon, 15 Aug 2022 07:03:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241296AbiHOHDB (ORCPT ); Mon, 15 Aug 2022 03:03:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241289AbiHOHC6 (ORCPT ); Mon, 15 Aug 2022 03:02:58 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3CF61C130; Mon, 15 Aug 2022 00:02:57 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4D92960D2F; Mon, 15 Aug 2022 07:02:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CF20EC433D6; Mon, 15 Aug 2022 07:02:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660546976; bh=fC/OC0XWgVeUHhUJakLD7xV+hhjBideZsl6F9+8rcKI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XWj2n7SfwVdy7GUnYHcv2vSrdWGaPHPuewcOXs/zIoFgWLhmFJXC1lws7D3qoXBe/ kXnlEC8nT2mo6NN7oxwatXgdTBjgqdlSFNyNmOAZkzidQLr4cF4IG4GikKg3HnSBUP O8qc8EacRL9pX9gpqxE2D4gUaLee/VQtfiR0uxKI= Date: Mon, 15 Aug 2022 09:02:52 +0200 From: Greg KH To: Sergey Senozhatsky Cc: Laurent Pinchart , Paul Menzel , Wang Yating , Christoph Jechlitschek , Hao Yao , Andy Yeh , Sakari Ailus , Bingbu Cao , Tianshu Qiu , linux-media@vger.kernel.org, Mark Pearson , Dell.Client.Kernel@dell.com, linux-kernel@vger.kernel.org, Guenter Roeck , Andy Whitcroft , Kai-Heng Feng , Christian Schaller , Wouter Bolsterlee , Miguel Palhas , it+linux-media@molgen.mpg.de Subject: Re: Missing MIPI IPU6 camera driver for Intel Alder Lake laptops Message-ID: References: <52c87d91-422d-fca0-4dd5-bbaa559c81b6@molgen.mpg.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On Mon, Aug 15, 2022 at 03:43:48PM +0900, Sergey Senozhatsky wrote: > On (22/08/15 08:36), Greg KH wrote: > > On Mon, Aug 15, 2022 at 11:06:39AM +0900, Sergey Senozhatsky wrote: > > > On (22/08/11 17:30), Greg KH wrote: > > > > On Thu, Aug 11, 2022 at 06:08:55PM +0300, Laurent Pinchart wrote: > > > > > On Thu, Aug 11, 2022 at 05:02:40PM +0200, Greg KH wrote: > > > > > > On Thu, Aug 11, 2022 at 04:54:53PM +0300, Laurent Pinchart wrote: > > > > > > > For the time being, I agree with your recommendation to not buy these > > > > > > > devices if you care about camera support. > > > > > > > > > > > > I second this, don't buy these devices if the vendor is not willing to > > > > > > get their drivers upstreamed properly. > > > > > > > > > > "Not willing" may be a bit too harsh here. I wouldn't just blame Intel > > > > > for not upstreaming a driver if it turns out that the V4L2 API isn't a > > > > > good match and we have no proposal to provide an alternative. > > > > > > > > Did they propose an alternative? From what I saw here they didn't even > > > > attempt it, or did I miss that? > > > > > > The plan here is to land CAM kernel API first and then switch IPU > > > (driver and user-space) to it so that upstreaming for Intel will > > > be easier. > > > > And what is the timeframe on the plan? Where will these changes be sent > > to for review? I'm guessing they are already in a shipping device so > > what's the delay? > > We haven't sent out KCAM for upstream review yet. It's open sourced, > as of this moment [1], but we still need some time and wanted to convert > one of the previous generations of IPU drivers (IPU3) to KCAM first to > see if everything is working as we wanted it to. That didn't answer my question on when you were planning to actually submit this :) thanks, greg k-h