[Intel-gfx] [PATCH 05/12] drm/i915: Clear FlipDone semantics change for pageflipping on gen3

[Jesse Barnes]

On Tue, 24 Apr 2012 22:59:45 +0100
Chris Wilson <chris at chris-wilson.co.uk> wrote:

> On later gen3, you are able to select the meaning of the FlipPending
> status bit in IIR and change it to FlipDone. This was sometimes done by
> the BIOS leading to confusion on just how pageflipping worked on gen3.
> Simplify the implementation by using the legacy meaning for all gen3
> machines.
> 
> Note: this makes all gen3 machines equally broken...

Looks ok, of course lots of qa on the final result...

Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>

-- 
Jesse Barnes, Intel Open Source Technology Center