VTOTAL
VACTIVE(vactive - 1) | VTOTAL(vtotal - 1));
VTOTAL(crtc_vtotal - 1));
VTOTAL(crtc_vtotal - 1));
VTOTAL(crtc_vtotal - 1));
VACTIVE(480 - 1) | VTOTAL(525 - 1));
regmap_write(fg->reg, VTCFG1, VACT(vact) | VTOTAL(vtotal));