DP_SYNC_HS_HIGH  1431 drivers/gpu/drm/gma500/psb_intel_reg.h #define   DP_SYNC_HS_HIGH		(1 << 3)
DP_SYNC_HS_HIGH  5485 drivers/gpu/drm/i915/i915_reg.h #define   DP_SYNC_HS_HIGH		(1 << 3)