From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH v9 0/9] Cedrus driver for the Allwinner Video Engine, using media requests Date: Tue, 11 Sep 2018 10:53:55 +0200 Message-ID: <20180911085355.bmd6gm24tkuxzdst@flea> References: <20180906222442.14825-1-contact@paulk.fr> Reply-To: maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="tnxohcee4xz5pskx" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: <20180906222442.14825-1-contact-W9ppeneeCTY@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Paul Kocialkowski Cc: linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devel-gWbeCf7V1WCQmaza687I9mD2FQJk+8+b@public.gmane.org, Mauro Carvalho Chehab , Rob Herring , Mark Rutland , Chen-Yu Tsai , Greg Kroah-Hartman , Paul Kocialkowski , Thomas Petazzoni , linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Randy Li , Hans Verkuil , Ezequiel Garcia , Tomasz Figa , Alexandre Courbot , Philipp Zabel , Laurent Pinchart , Sakari Ailus List-Id: devicetree@vger.kernel.org --tnxohcee4xz5pskx Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline On Fri, Sep 07, 2018 at 12:24:33AM +0200, Paul Kocialkowski wrote: > This is the ninth iteration of the updated Cedrus driver, > that supports the Video Engine found on most Allwinner SoCs, starting > with the A10. It was tested on the A13, A20, A33 and H3. > > The initial version of this driver[0] was originally written and > submitted by Florent Revest using a previous version of the request API > that is necessary to provide coherency between controls and the buffers > they apply to. > > The driver was adapted to use the latest version of the media request > API[1], as submitted by Hans Verkuil. Media request API support is a > hard requirement for the Cedrus driver. > > The driver itself currently only supports MPEG2 and more codecs will be > added eventually. The default output frame format provided by the Video > Engine is a multi-planar tiled YUV format (based on NV12). A specific > format is introduced in the V4L2 API to describe it. Starting with the > A33, the Video Engine can also output untiled YUV formats. Applied the DTS patches, thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --tnxohcee4xz5pskx--