From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Kocialkowski Subject: Re: [PATCH v2 07/10] media: platform: Add Sunxi-Cedrus VPU decoder driver Date: Fri, 04 May 2018 09:57:20 +0200 Message-ID: <35411894a87b65865eb8b43e5f50829db336a323.camel@bootlin.com> References: <20180419154124.17512-1-paul.kocialkowski@bootlin.com> <20180419154536.17846-3-paul.kocialkowski@bootlin.com> <20180424091328.jsqp36nxekuj23am@paasikivi.fi.intel.com> Reply-To: paul.kocialkowski-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-hmK8lEk1M6anlVahez65" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org In-Reply-To: <20180424091328.jsqp36nxekuj23am-z7MJbOB4PBP+e+fPlCVrcFDQ4js95KgL@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Sakari Ailus Cc: linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Mauro Carvalho Chehab , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Pawel Osciak , Marek Szyprowski , Kyungmin Park , Hans Verkuil , Philipp Zabel , Arnd Bergmann , Alexandre Courbot , Tomasz Figa List-Id: devicetree@vger.kernel.org --=-hmK8lEk1M6anlVahez65 Content-Type: text/plain; charset="UTF-8" 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 --=-hmK8lEk1M6anlVahez65--