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drm/i915: Shut down PCH interrupts during irq_uninstall
authorKeith Packard <keithp@keithp.com>
Tue, 20 Sep 2011 17:12:44 +0000 (10:12 -0700)
committerKeith Packard <keithp@keithp.com>
Fri, 30 Sep 2011 22:30:41 +0000 (15:30 -0700)
This masks out all interrupts and ack's any pending ones at IRQ
uninstall time to make sure we don't receive any unexpected interrupts
later on.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

No differences found
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