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

[Bingbu Cao]

On 01/28/2019 11:45 PM, Kai Heng Feng wrote:
> Hi Kieran,
>
> > On Jan 28, 2019, at 4:48 PM, Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx> 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