VSDC_TOP_IRQ_VSYNC
regmap_set_bits(dc->regs, VSDC_TOP_IRQ_EN, VSDC_TOP_IRQ_VSYNC(vcrtc->id));
regmap_clear_bits(dc->regs, VSDC_TOP_IRQ_EN, VSDC_TOP_IRQ_VSYNC(vcrtc->id));
if (irqs & VSDC_TOP_IRQ_VSYNC(i)) {
irqs &= ~VSDC_TOP_IRQ_VSYNC(i);