LSC_CHICKEN_BIT_0_UDW
wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW,
wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, DIS_CHAIN_2XSIMD8);
wa_mcr_write_or(wal, LSC_CHICKEN_BIT_0_UDW, UGM_FRAGMENT_THRESHOLD_TO_3);
wa_mcr_write_clr_set(wal, LSC_CHICKEN_BIT_0_UDW,