regRLC_SRM_CNTL
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, regRLC_SRM_CNTL));
WREG32(SOC15_REG_OFFSET(GC, 0, regRLC_SRM_CNTL), tmp);
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, regRLC_SRM_CNTL));
WREG32(SOC15_REG_OFFSET(GC, 0, regRLC_SRM_CNTL), tmp);