DP_C
if (REG_READ(DP_C) & DP_DETECTED)
cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_C);
if ((output_reg == DP_C) && cdv_intel_dpc_is_edp(dev))
case DP_C:
g4x_dp_init(display, DP_C, PORT_C);