mmRLC_PG_DELAY_2
data = RREG32(mmRLC_PG_DELAY_2);
WREG32(mmRLC_PG_DELAY_2, data);
data = RREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_DELAY_2));
WREG32(SOC15_REG_OFFSET(GC, 0, mmRLC_PG_DELAY_2), data);