From 01434b4bfba17626fe93a602e540f0004694d9df Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Fri, 30 Apr 2010 15:48:23 -0400
Subject: [PATCH] radeon: Use fences to gate entry to reclocking on <r600

GUI idle interrupts don't seem to work terribly well on r500 and earlier,
so let's use a fence instead.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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