/* enable submodules of IPU to establish the data path. */
void ipu_enable_display(int32_t ipu_index)
/* enable submodules of IPU to establish the data path. */
void ipu_enable_display(int32_t ipu_index)
{
    ipu_write_field(ipu_index, IPU_IPU_CONF__DI0_EN, 1);
    ipu_write_field(ipu_index, IPU_IPU_CONF__DP_EN, 1);
    ipu_write_field(ipu_index, IPU_IPU_CONF__DC_EN, 1);
    ipu_write_field(ipu_index, IPU_IPU_CONF__DMFC_EN, 1);
}