ZYNQMP_DP_INT_VBLANK_START
zynqmp_dp_write(dp, ZYNQMP_DP_INT_EN, ZYNQMP_DP_INT_VBLANK_START);
zynqmp_dp_write(dp, ZYNQMP_DP_INT_DS, ZYNQMP_DP_INT_VBLANK_START);
if (status & ZYNQMP_DP_INT_VBLANK_START)