[PATCH] Remove XAA

Matthieu Herrb matthieu.herrb at laas.fr
Sun Sep 22 09:27:40 PDT 2013


On Sun, Sep 22, 2013 at 08:59:42AM -0700, Alan Coopersmith wrote:
> On 09/21/13 07:49 AM, devzero at web.de wrote:
> >>Deliberately breaking drivers without giving people a chance to fix them
> >>isn't fair.  Because of the current development model of Xorg people may
> >>not notice that stuff is broken for more than six months.
> >
> >Yes, this sucks big.
> 
> You're replying to a year and a half old e-mail.   People have had plenty of
> chance to fix the drivers they still use now, and most of the ones people use
> have been fixed.

Sorry, but this is only partially true. 

In OpenBSD we're still having a number of issues with drivers that are
used and have not been fully fixed. My limited time and knowledge of
EXA have not allowed to make enough progress to tell that old drivers
are performing as good now with EXA than they were performing with
XAA.

Affected drivers are at least 

- xf86-video-cirrus (no EXA code at all in xf86-video-cirrus)
- xf86-video-mach64 (render acceleration broken in EXA)
- xf86-video-mga (render acceleration broken in EXA, need to be
  disabled to have a working server)
- xf86-video-nv shadowfb broken, no EXA acceleration for older
   chipsets. have to run it completely un-acceleratied. 
- xf86-video-sis (mostly broken for quite a bit of time)
- xf86-video-sunffb only shadowfb "acceleration" after dropping XAA

-- 
Matthieu Herrb


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