DP_PRE_EMPHASIS_6 1400 drivers/gpu/drm/gma500/psb_intel_reg.h #define   DP_PRE_EMPHASIS_6		(2 << 22)
DP_PRE_EMPHASIS_6 5447 drivers/gpu/drm/i915/i915_reg.h #define   DP_PRE_EMPHASIS_6		(2 << 22)