[PATCH] Remove XAA

[Alan Coopersmith]

On 09/22/13 09:27 AM, Matthieu Herrb wrote:
> 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

I was referring to "runs without XAA" as being fixed, not necessarily adding
EXA support.

And since the maintainers of -nv advised people to stop using it and move
to -vesa 3 or 4 years ago now, I'm not sure that one's worth the effort.

-- 
	-Alan Coopersmith-              alan.coopersmith at oracle.com
	 Oracle Solaris Engineering - http://blogs.oracle.com/alanc