LSDC_INT_REG
lsdc_ureg32_set(ldev, LSDC_INT_REG, INT_CRTC0_VSYNC_EN);
lsdc_ureg32_clr(ldev, LSDC_INT_REG, INT_CRTC0_VSYNC_EN);
lsdc_ureg32_set(ldev, LSDC_INT_REG, INT_CRTC1_VSYNC_EN);
lsdc_ureg32_clr(ldev, LSDC_INT_REG, INT_CRTC1_VSYNC_EN);
val = lsdc_rreg32(ldev, LSDC_INT_REG);
lsdc_wreg32(ldev, LSDC_INT_REG, val);
val = lsdc_rreg32(ldev, LSDC_INT_REG);
lsdc_wreg32(ldev, LSDC_INT_REG, val);