[libcamera-devel] [RFC PATCH v3 12/16] pipeline: ipu3: Set MaxLatency ControlInfo

[Jacopo Mondi]

Hi Laurent,

On Mon, Jul 12, 2021 at 01:39:29AM +0300, Laurent Pinchart wrote:
> Hi Jacopo,
>
> On Mon, Jul 05, 2021 at 05:56:11PM +0200, Jacopo Mondi wrote:
> > On Fri, Jul 02, 2021 at 07:37:56PM +0900, Paul Elder wrote:
> > > We want the IPU3 IPA to support setting MaxLatency, so initialize the
> > > MaxLatency ControlInfo in the IPU3 pipeline handler.
> > >
> > > Bug: https://bugs.libcamera.org/show_bug.cgi?id=50
> > > Signed-off-by: Paul Elder <paul.elder at ideasonboard.com>
> > > Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> >
> > I wish... isn't it a bie early to claim so ? :)
>
> Let's say that the patch itself is fine, but more changes are needed if
> we don't want to lie :-)
>
> Do you think we should delay merging this ?

As long as FULL is not enabled this should make a difference, so it
can go in earlier.

Thanks
  j

>
> > > ---
> > > No change in v3
> > > ---
> > >  src/libcamera/pipeline/ipu3/ipu3.cpp | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
> > > index 76c3bb3d..d3dafd98 100644
> > > --- a/src/libcamera/pipeline/ipu3/ipu3.cpp
> > > +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
> > > @@ -49,6 +49,7 @@ static constexpr unsigned int IMGU_OUTPUT_HEIGHT_MARGIN = 32;
> > >  static constexpr Size IPU3ViewfinderSize(1280, 720);
> > >
> > >  static const ControlInfoMap::Map IPU3Controls = {
> > > +	{ &controls::draft::MaxLatency, ControlInfo(0, 0, 0) },
> > >  	{ &controls::draft::PipelineDepth, ControlInfo(2, 3) },
> > >  };
> > >
>
> --
> Regards,
>
> Laurent Pinchart