linux-kernel - Re: [PATCH] MAINTAINERS: Add Helge as fbdev maintainer

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Date:   Tue, 18 Jan 2022 13:07:59 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     Daniel Vetter <daniel@...ll.ch>
Cc:     Pekka Paalanen <ppaalanen@...il.com>, linux-fbdev@...r.kernel.org,
        Helge Deller <deller@....de>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Sven Schnelle <svens@...ckframe.org>
Subject: Re: [PATCH] MAINTAINERS: Add Helge as fbdev maintainer

  Hi,

> > fbcon could do the same, i.e. render to fbdev in a 60Hz timer instead of
> > doing it synchronously.
> 
> Yeah, and if you use the shadow fb support in drm fbdev helpers,
> that's what you get. Maybe we should just make that the default, since
> that would also greatly simply stuff like modesetting support for
> fbdev.

Yep, that helps of course.  I was thinking more about the chars + attrs
+ font -> framebuffer step in the fbcon rendering pipeline though where
one could do something simliar to save even more cpu cycles.

take care,
  Gerd