[Intel-gfx] Performance regression, please revert commit 441ef916ae6569c88b3d6abaf7fea4d69be49d76

[Chris Wilson]

On Sun, 13 Jan 2013 11:35:51 +0100, Knut Petersen <Knut_Petersen at t-online.de> wrote:
> On 13.01.2013 11:23, Chris Wilson wrote:
> > On Sun, 13 Jan 2013 11:09:38 +0100, Knut Petersen <Knut_Petersen at t-online.de> wrote:
> >> There is a massive performance regression on i915GM hardware,
> >> opening/closing/redrawing looks as if it is done in slow motion.
> > gen2/3 benefits from it after applying the bugfix to libdrm.
> > -Chris
> >
> Which bugfix?

https://patchwork.kernel.org/patch/1963391/

commit fdda97007b1dbf95beb16a0e3510fd36c89e8c33
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Jan 11 00:55:12 2013 +0000

    intel: Remove the fence count contributions when clearing relocs
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre