SCALER_DISPECTRL_DSP2_MUX_MASK
reg &= ~SCALER_DISPECTRL_DSP2_MUX_MASK;
ret = FIELD_GET(SCALER_DISPECTRL_DSP2_MUX_MASK, reg);
(reg & ~SCALER_DISPECTRL_DSP2_MUX_MASK) |