[PATCH 1/2] rotate: Unregister damage across modesetting

[Keith Packard]

On Thu, 25 Aug 2011 14:46:07 +0100, Chris Wilson <chris at chris-wilson.co.uk> wrote:

> The driver is at liberty to modify the Screen Pixmap, for example if it
> creates a new ordinary Pixmap for use as a shadow scanout buffer, and so
> the cached registration of the damage may become stale and lead to an
> eventual crash.

Is there some reason ModifyPixmapHeader isn't sufficient for this? We've
strenuously avoided changing the PixmapRec itself.

-- 
keith.packard at intel.com
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