CHV_CMN_DW5_CH0
val = vlv_dpio_read(display->drm, phy, CHV_CMN_DW5_CH0);
vlv_dpio_write(display->drm, phy, CHV_CMN_DW5_CH0, val);
val = vlv_dpio_read(display->drm, phy, CHV_CMN_DW5_CH0);
vlv_dpio_write(display->drm, phy, CHV_CMN_DW5_CH0, val);