GMBUS_HOLD_EXT     39 drivers/gpu/drm/gma500/psb_intel_reg.h #define   GMBUS_HOLD_EXT	(1<<7) /* 300ns hold time, rsvd on Pineview */
GMBUS_HOLD_EXT   3215 drivers/gpu/drm/i915/i915_reg.h #define   GMBUS_HOLD_EXT	(1 << 7) /* 300ns hold time, rsvd on Pineview */