From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 12 Aug 2010 11:07:32 +0000 (+0100)
Subject: drm/i915/overlay: Combine SWITCH_OFF into a single step
X-Git-Tag: v2.6.37-rc1~92^2~28^2~217
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8dfbc3403113bcc51f0350c3471fa1abf664305f;p=pandora-kernel.git

drm/i915/overlay: Combine SWITCH_OFF into a single step

We can program the h/w to first wait on the flip and then switch off
without relying on s/w intervention. This removes the need for a double
step switch off, bringing much rejoicing.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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