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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DB22C282C7 for ; Tue, 29 Jan 2019 11:26:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3D4C220880 for ; Tue, 29 Jan 2019 11:26:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728549AbfA2L0S (ORCPT ); Tue, 29 Jan 2019 06:26:18 -0500 Received: from mga02.intel.com ([134.134.136.20]:59692 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725772AbfA2L0R (ORCPT ); Tue, 29 Jan 2019 06:26:17 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Jan 2019 03:26:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,537,1539673200"; d="scan'208";a="134064325" Received: from ipu5-build.bj.intel.com (HELO [10.238.232.171]) ([10.238.232.171]) by orsmga001.jf.intel.com with ESMTP; 29 Jan 2019 03:26:14 -0800 Subject: Re: ipu3-imgu 0000:00:05.0: required queues are disabled To: Kai Heng Feng , Kieran Bingham Cc: sakari.ailus@linux.intel.com, bingbu.cao@intel.com, yong.zhi@intel.com, linux-media@vger.kernel.org, devel@driverdev.osuosl.org, Linux Kernel , LibCamera Devel References: <7F8ED1B6-5070-437A-A745-AE017D8CE0DF@canonical.com> <76CB59A0-D8F2-4C01-A600-60138ED5E785@canonical.com> From: Bingbu Cao Message-ID: <9311dd48-2169-5615-4368-1053a0d47e07@linux.intel.com> Date: Tue, 29 Jan 2019 19:32:12 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <76CB59A0-D8F2-4C01-A600-60138ED5E785@canonical.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/28/2019 11:45 PM, Kai Heng Feng wrote: > Hi Kieran, > >> On Jan 28, 2019, at 4:48 PM, Kieran Bingham wrote: >> >> Hi Kai-Heng, >> >> On 27/01/2019 05:56, Kai-Heng Feng wrote: >>> Hi, >>> >>> We have a bug report [1] that the ipu3 doesn’t work. >>> Does ipu3 need special userspace to work? >> Yes, it will need further userspace support to configure the pipeline, >> and to provide 3A algorithms for white balance, focus, and exposure >> times to the sensor. >> >> We are developing a stack called libcamera [0] to support this, but it's >> still in active development and not yet ready for use. Fortunately >> however, IPU3 is one of our primary initial targets. > Thanks for the info. Hi, Kai-Heng, Like Bingham said, for IPU3 some heavy control from the userspace is needed. libcamera is a very good start. If you just want to verify the driver firstly, you can use script to take a try. >> [0] https://www.libcamera.org/ >> >>> [1] https://bugs.launchpad.net/bugs/1812114 >> I have reported similar information to the launchpad bug entry. >> >> It might help if we can get hold of a Dell 7275 sometime although I >> think Mauro at least has one ? >> >> If this is a priority for Canonical, please contact us directly. > Not really, just raise issues from Launchpad to appropriate mailing list. > > Kai-Heng > >>> Kai-Heng >> -- >> Regards >> >> Kieran >