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drm/i915: workaround IGD i2c bus issue in kernel side (v2)
authorShaohua Li <shaohua.li@intel.com>
Tue, 7 Apr 2009 03:02:28 +0000 (11:02 +0800)
committerEric Anholt <eric@anholt.net>
Thu, 14 May 2009 23:00:26 +0000 (16:00 -0700)
In IGD, DPCUNIT_CLOCK_GATE_DISABLE bit should be set, otherwise i2c
access will be wrong.

v2: Disable CLOCK_GATE_DISABLE bit after bit bashing as suggested by Eric.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

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