Alex Deucher 54acf107e4 drm/radeon: do a posting read in rs600_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

2015-03-03 17:28:27 -05:00

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