LDBnBSIFR
plane_reg_dump(sdev, splane, LDBnBSIFR);
lcdc_write(sdev, LDBnBSIFR(splane->index), format);
plane_reg_dump(sdev, splane, LDBnBSIFR);
lcdc_write(sdev, LDBnBSIFR(splane->index), 0);
lcdc_write_overlay(ovl, LDBnBSIFR(ovl->index), 0);
lcdc_write_overlay(ovl, LDBnBSIFR(ovl->index), format);