From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 3 Mar 2015 01:41:31 +0000 (-0500)
Subject: drm/radeon: do a posting read in r600_set_irq
X-Git-Tag: omap-for-v4.1/wl12xx-dt~53^2~3^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d1393f23d5656cdd5f368efd60694d4aeed81d3;p=pandora-kernel.git

drm/radeon: do a posting read in r600_set_irq

To make sure the writes go through the pci bridge.

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=90741

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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