DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK 1474 drivers/gpu/drm/gma500/psb_intel_reg.h #define   DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK    (0x7ff)
DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK 5559 drivers/gpu/drm/i915/i915_reg.h #define   DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK    (0x7ff)