drm/i915: Protect force_bit with gmbus_mutex

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Extend the protection of gmbus_mutex around the force_bit
RMW in intel_gmbus_force_bit(), in case someone gets the
idea of calling it from a separate thread while there's
other stuff happening on the same bus.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1457366220-29409-3-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

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Ville Syrjälä 2016-03-07 17:56:58 +02:00

parent f470b19095

commit ade754ec11

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/i915/intel_i2c.c

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