From: Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
Date: Wed, 27 Apr 2011 06:10:57 +0000 (+1000)
Subject: drm: Send pending vblank events before disabling vblank.
X-Git-Tag: v2.6.39-rc6~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=498548ec69c6897fe4376b2ca90758762fa0b817;p=pandora-kernel.git

drm: Send pending vblank events before disabling vblank.

This is the least-bad behaviour.  It means that we signal the
vblank event before it actually happens, but since we're disabling
vblanks there's no guarantee that it will *ever* happen otherwise.

This prevents GL applications which use WaitMSC from hanging
indefinitely.

Signed-off-by: Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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