linux-kernel - Re: ipu3-imgu 0000:00:05.0: required queues are disabled

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Message-Id: <76CB59A0-D8F2-4C01-A600-60138ED5E785@canonical.com>
Date:   Mon, 28 Jan 2019 23:45:52 +0800
From:   Kai Heng Feng <kai.heng.feng@...onical.com>
To:     Kieran Bingham <kieran.bingham@...asonboard.com>
Cc:     sakari.ailus@...ux.intel.com, bingbu.cao@...el.com,
        yong.zhi@...el.com, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        LibCamera Devel <libcamera-devel@...ts.libcamera.org>
Subject: Re: ipu3-imgu 0000:00:05.0: required queues are disabled

Hi Kieran,

> On Jan 28, 2019, at 4:48 PM, Kieran Bingham <kieran.bingham@...asonboard.com> 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.

> 
> [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