[Intel-gfx] ironlake wierdness bisection result

[Dave Airlie]

On Tue, Sep 18, 2012 at 4:43 PM, Dave Airlie <airlied at gmail.com> wrote:
> Okay I spent today bisecting this and although I'm not 100% sure I got
> it right the whole way down, I think where I landed seems sane, so I
> said I'd share
>
> This seems to cause the blank rendering zones people have been reporting.

Though I'm of course having trouble reproducing the pain now, so it
might all be lies,

but hey its a better starting point than none, any way it could make
sense to be this commit?

I'll do another round of bisecton tomorrow and see if I can find a better test.

Dave.