DC_CMD_INT_V_BLANK
if (status & DC_CMD_INT_V_BLANK) {
DC_WRITE(tegra_crtc, DC_CMD_INT_STATUS_REG, DC_CMD_INT_V_BLANK);
DC_SET_CLEAR(tegra_crtc, DC_CMD_INT_MASK_REG, DC_CMD_INT_V_BLANK, 0);
DC_SET_CLEAR(tegra_crtc, DC_CMD_INT_MASK_REG, 0, DC_CMD_INT_V_BLANK);
DC_WRITE(tegra_crtc, DC_CMD_INT_STATUS_REG, DC_CMD_INT_V_BLANK);
DC_WRITE(crtc, DC_CMD_INT_ENABLE_REG, DC_CMD_INT_V_BLANK);