SMU_SCLK_DPM_STATE_0_CNTL_3
value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix);
WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix, value);
value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix);
WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix, value);