BIT_DPU_INT_VSYNC
int_mask |= BIT_DPU_INT_VSYNC;
dpu_reg_set(&dpu->ctx, REG_DPU_INT_EN, BIT_DPU_INT_VSYNC);
dpu_reg_clr(&dpu->ctx, REG_DPU_INT_EN, BIT_DPU_INT_VSYNC);
if (reg_val & BIT_DPU_INT_VSYNC)