[Intel-gfx] [PATCH] Remove Intel pageflipping support from mesa

[Owain Ainsworth]

Hey,

As a companion to the DDX diff I just sent out, this patch rips all of
the broken i9XX pageflipping code from mesa.

There's one chunk I'm not sure about (whether the for loops in
IntelWindowMoved are still needed), but the rest is definitely good to
die. Jbarnes looked at this, but it needs a bit more review.

Working fine for me on top of 7.3 rc1 on a GM965.

I'd love if this could make it in before 7.3 is cut.

Cheers,

-0-
-- 
Absence makes the heart go wander.
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