[Mesa-stable] Request for backport of commit 0e9549e2bd57168

[Kenneth Graunke]

On 07/30/2013 11:58 AM, Carl Worth wrote:
> Hi Ken,
>
> My workqueue for 9.1 includes cherry-picking the below revert commit.
>
> Unfortunately, it doesn't cherry-pick trivially, and I'm a bit nervous I
> might botch the conflict resolution. Could you cook up a patch to apply
> this revert to the 9.1 branch?
>
> Thanks,
>
> -Carl

This should only be cherry-picked to 9.2.

In "i965: Delete pre-DRI2.3 viewport hacks.", I removed some code, and 
this revert restores it.  However, the code was never deleted from 
9.1...only master and 9.2.

--Ken