mmRLC_LB_CNTL
WREG32(mmRLC_LB_CNTL, 0);
tmp = RREG32(mmRLC_LB_CNTL);
WREG32(mmRLC_LB_CNTL, tmp);
WREG32(mmRLC_LB_CNTL, 0x80000004);
WREG32_SOC15(GC, 0, mmRLC_LB_CNTL, data);
WREG32_SOC15(GC, 0, mmRLC_LB_CNTL, data);
mmRLC_LB_CNTL, 0xffffffff, 0x800000f4,
mmRLC_LB_CNTL, 0xffffffff, 0x800000a4,
mmRLC_LB_CNTL, 0xffffffff, 0x80010014,
mmRLC_LB_CNTL, 0xffffffff, 0x800000f4,