DP_PRE_EMPHASIS_0 1398 drivers/gpu/drm/gma500/psb_intel_reg.h #define   DP_PRE_EMPHASIS_0		(0 << 22)
DP_PRE_EMPHASIS_0 5445 drivers/gpu/drm/i915/i915_reg.h #define   DP_PRE_EMPHASIS_0		(0 << 22)