LOAD_BALANCE_ENABLE
WREG32_FIELD(RLC_LB_CNTL, LOAD_BALANCE_ENABLE, enable ? 1 : 0);
WREG32_FIELD15(GC, 0, RLC_LB_CNTL, LOAD_BALANCE_ENABLE, enable ? 1 : 0);
tmp |= LOAD_BALANCE_ENABLE;
tmp &= ~LOAD_BALANCE_ENABLE;
tmp |= LOAD_BALANCE_ENABLE;
tmp &= ~LOAD_BALANCE_ENABLE;