[Intel-gfx] Performance regression using Firefox between 2.14 and 2.15

[Daniel Vetter]

On Thu, Sep 29, 2011 at 04:42:39PM +0200, Clemens Eisserer wrote:
> I was able to bisect the performance regression, the commit which
> introduced it was:
> 
> commit 686018f283f1d131073ef5917213e6a8ac013f26
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Tue Apr 12 08:23:04 2011 +0100
> 
>     Turn relaxed-fencing off by default for older (pre-G33) chipset
> 
> Are there plans to re-enable relaxed fencing again?

Probably not, relaxed fencing on pre-g33 turned out to be a minefield.

But if it works for you, you can override the default with
	Option "RelaxedFencing" "true"
in your xorg.conf, see man intel.

Cheers, Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48