drm/radeon: remove gui_idle interrupt infrastructure
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 10 Aug 2012 17:26:24 +0000 (13:26 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 20 Sep 2012 17:10:33 +0000 (13:10 -0400)
It was only used for dynpm, but has been replaced with
a better implementation using fences.  Remove it.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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