[Jaunty SRU] LP#349992 Allow to disable GEM on i915 chipset

[Tim Gardner]

Andy Whitcroft wrote:
> On Wed, May 06, 2009 at 09:16:15AM -0600, Tim Gardner wrote:
> 
>> NACK - lets wait and see how Andy's proposed MCHBAR and MTRR aperture
>> patches affect performance. Please ask bug responders to test once
>> Stefan gets a new kernel uploaded.
> 
> As I understand the spread of Intel performance issues this GEM disable
> patch is primarily aimed at performance issues triggered by the A17
> swizzle preventing Tiling from being enabled.  Neither of the two patche
> sets I have submitted in this area would help there and the 'correct'
> fix is a pretty huge patch.  I note that the patch as submitted doesn't
> tell you that its aimed at the A17 issue however.
> 
> -apw

So you are advocating to include the patch? I've no real problem with it
since it has no default behavior change.

rtg
-- 
Tim Gardner tim.gardner at canonical.com