Re: [PATCH v2 07/10] media: platform: Add Sunxi-Cedrus VPU decoder driver

2018-05-04 Thread Paul Kocialkowski
Hi,

On Tue, 2018-04-24 at 12:13 +0300, Sakari Ailus wrote:
> Hi Paul
> 
> On Thu, Apr 19, 2018 at 05:45:33PM +0200, Paul Kocialkowski wrote:
> > This introduces the Sunxi-Cedrus VPU driver that supports the VPU
> > found
> > in Allwinner SoCs, also known as Video Engine. It is implemented
> > through
> > a v4l2 m2m decoder device and a media device (used for media
> > requests).
> > So far, it only supports MPEG2 decoding.
> > 
> > Since this VPU is stateless, synchronization with media requests is
> > required in order to ensure consistency between frame headers that
> > contain metadata about the frame to process and the raw slice data
> > that
> > is used to generate the frame.
> > 
> > This driver was made possible thanks to the long-standing effort
> > carried out by the linux-sunxi community in the interest of reverse
> > engineering, documenting and implementing support for Allwinner VPU.
> 
> No code review yet, but DT bindings precede the driver. Please also
> add the appropriate MAINTAINERS entries.

Thanks for the indication, will do in the next version(s).

Cheers,

-- 
Paul Kocialkowski, Bootlin (formerly Free Electrons)
Embedded Linux and kernel engineering
https://bootlin.com

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Re: [PATCH v2 07/10] media: platform: Add Sunxi-Cedrus VPU decoder driver

2018-04-24 Thread Sakari Ailus
Hi Paul

On Thu, Apr 19, 2018 at 05:45:33PM +0200, Paul Kocialkowski wrote:
> This introduces the Sunxi-Cedrus VPU driver that supports the VPU found
> in Allwinner SoCs, also known as Video Engine. It is implemented through
> a v4l2 m2m decoder device and a media device (used for media requests).
> So far, it only supports MPEG2 decoding.
> 
> Since this VPU is stateless, synchronization with media requests is
> required in order to ensure consistency between frame headers that
> contain metadata about the frame to process and the raw slice data that
> is used to generate the frame.
> 
> This driver was made possible thanks to the long-standing effort
> carried out by the linux-sunxi community in the interest of reverse
> engineering, documenting and implementing support for Allwinner VPU.

No code review yet, but DT bindings precede the driver. Please also add
the appropriate MAINTAINERS entries.

-- 
Sakari Ailus
sakari.ai...@linux.intel.com