lkml.org 
[lkml]   [2017]   [Dec]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/8] drm/sun4i: Support the Display Engine frontend
Hi Thomas,

On Wed, Dec 13, 2017 at 05:16:22PM +0100, Thomas van Kleef wrote:
> Hi,
>
> On 13-12-17 16:33, Maxime Ripard wrote:
> > Hi,
> >
> > This is a first serie to enable the display engine frontend.
> >
> > This hardware block is found in the first generation Display Engine from
> > Allwinner. Its role is to implement more advanced features that the
> > associated backend, even though the backend alone can be used (and was used
> > so far) for basic composition.
> >
> > Among those features, we will find hardware scaling, that is supported in
> > this serie, colorspace conversions, or more exotic formats support such as
> > the one output by the VPU.
>
> So, if I have read the code correctly. The frontend will be used whenever the
> input size differs from the output size.

Yes :)

My current plan is to extend it as needed when we'll need to deal with
a format not supported by the backend (for the VPU), or anything the
backend cannot support.

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2017-12-14 09:36    [W:0.170 / U:0.336 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site