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drm/i915: Fix IRQ stall issue on Ironlake
authorZou, Nanhai <nanhai.zou@intel.com>
Fri, 6 Nov 2009 02:13:01 +0000 (02:13 +0000)
committerEric Anholt <eric@anholt.net>
Thu, 12 Nov 2009 19:16:33 +0000 (11:16 -0800)
The master irq control in DE must be disabled before irq handling,
and enable after the process. This fixes the irq stall issue on
Ironlake.

Cc: Stable Team <stable@kernel.org>
Signed-off-by: Zou, Nanhai <nanhai.zou@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

No differences found
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