SCALER_DISPEOLN_DSP4_MUX_MASK
reg &= ~SCALER_DISPEOLN_DSP4_MUX_MASK;
ret = FIELD_GET(SCALER_DISPEOLN_DSP4_MUX_MASK, reg);
(reg & ~SCALER_DISPEOLN_DSP4_MUX_MASK) |