Re: [PATCH v1 00/18] Add HANTRO G2/HEVC decoder support for IMX8MQ

[Paul Kocialkowski]

Hi Benjamin,

On Wed 17 Feb 21, 09:28, Benjamin Gaignard wrote:
> Le 17/02/2021 à 09:08, Greg KH a écrit :
> > On Wed, Feb 17, 2021 at 09:02:48AM +0100, Benjamin Gaignard wrote:
> > > The IMX8MQ got two VPUs but until now only G1 has been enabled.
> > > This series aim to add the second VPU (aka G2) and provide basic
> > > HEVC decoding support.
> > Why are you adding this directly to drivers/staging/media/ and not
> > drivers/media/?  Why can't this just go to the main location and not
> > live in staging?
> 
> G2/HEVC is added inside the already exiting Hantro driver, it is "just"
> an other codec from Hantro driver point of view.
> In addition of that v4l2-hevc uAPI is still unstable.
> One goal of this series is to have one more consumer of this v4l2-hevc
> uAPI so maybe we can claim it to be stable enough to move away from staging
> and then do the same for Hantro driver. That would be a great achievement !

Thanks for working on Hantro G2 support!

As the initial author of the HEVC API, it definitely does not feel ready to
be destaged. The API has lots of issues and limitation and I think significant
work is still needed.

This initial implementation was kind of a proof of concept for simple cases.

Cheers,

Paul

-- 
Paul Kocialkowski, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com

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