EDP_PREEMPHASIS_9_5dB  438 drivers/gpu/drm/gma500/intel_bios.h #define EDP_PREEMPHASIS_9_5dB	3
EDP_PREEMPHASIS_9_5dB  627 drivers/gpu/drm/i915/display/intel_vbt_defs.h #define EDP_PREEMPHASIS_9_5dB	3