From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 22 Apr 2010 16:39:58 +0000 (-0400)
Subject: drm/radeon/kms: add gui_idle callback
X-Git-Tag: v2.6.35-rc1~451^2~52
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=def9ba9cf6a8266ee1ffd72556db002c3a2663db;p=pandora-kernel.git

drm/radeon/kms: add gui_idle callback

Check to see if the GUI engine and related blocks
(2D, 3D, CP, etc) are idle or not.  There are a number
of cases when we need to know if the drawing engine
is busy.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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