Re: [Intel-gfx] Intel 915GM MCHBAR bug

[Jesse Barnes]

On Sat, 6 Jun 2009 21:27:59 +0100
Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> wrote:

> On Sat, 06 Jun 2009 09:37:00 +0300
> Pekka Enberg <penberg@xxxxxxxxxxxxxx> wrote:
> 
> > Hi Andrew,
> > 
> > On Sat, 06 Jun 2009 09:14:41 +0300 Pekka Enberg
> > <penberg@xxxxxxxxxxxxxx> wrote:
> > >>>> Wanna show us the patch?
> > >>>>
> > >>>> Because the world could certainly do with more i915 bugfixes :(
> > >>>   
> > >>> Here is Jesse's patch from 
> > >>> http://lists.freedesktop.org/archives/intel-gfx/2009-January/001186.html 
> > >>> adopted for 2.6.30-rc8... (needed to redo hunk #3 for
> > >>> i915_gem_tile.c)
> > >> Yup. I took the two patches from here:
> > >>
> > >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/349314
> > >>
> > >> and did the same rediffing on top of 2.6.30-rc8 for the first
> > >> one.
> > >>
> > >> Andrew, do you want me to forward you the (tested) patches or
> > >> should we wait for Jesse et al to take care of it?
> > > 
> > > Yes, please send them out.
> > 
> > OK, I did that. I am bit unhappy that I had to do it, though. The
> > patch dates back to January (!) and Ubuntu folks have been carrying
> > it for a while now.
> > 
> > Looking at the amount of reports out in the wild (on Ubuntu forums, 
> > etc.), I really don't understand why this wasn't submitted earlier. 
> > Instead, the bug was flagged with low priority because it's "just a 
> > performance problem." Considering the system is more or less
> > unusable for me, I obviously think it's a critical bug fix.
> > 
> > Andrew Morton wrote:
> > > These might end up being 2.6.30.1 material.
> > 
> > Yes, agreed completely. We probably want ACK from Jesse and Bjorn,
> > though.
> 
> I'm ok with it being 2.6.30.1 stuff, but given the significance of the
> change we were worried about putting it into 2.6.30 late in the cycle.
> But as you say, it's a very important performance fix for many
> machines...
> 
> Anyway, Eric may already have it merged.  Eric?
> 

It's merged now into the drm-intel-next tree, and therefore queued for
the merge window.

Jeses
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