VLV_PCS23_DW10
val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch));
vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val);
val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch));
vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val);