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

[Knut Petersen]

On 13.01.2013 11:50, Chris Wilson wrote:
> 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
>
Thanks, that indeed helps.

cu,
  Knut