CR11
{IGA1_VER_SYNC_END_REG_NUM, {{CR11,0,3}}}
uni_wr_mask(sc, VIACR, CR11, BIT7, BIT7);
uni_wr_mask(sc, VIACR, CR11, 0, BIT7);
uni_wr_mask(sc, VIACR, CR11, 0x00, BIT4+BIT5+BIT6);