EDP_PLL_FREQ_MASK
intel_dp->DP &= ~EDP_PLL_FREQ_MASK;
if ((intel_de_read(display, DP_A) & EDP_PLL_FREQ_MASK) == EDP_PLL_FREQ_162MHZ)
#define EDP_PLL_FREQ_270MHZ REG_FIELD_PREP(EDP_PLL_FREQ_MASK, 0)
#define EDP_PLL_FREQ_162MHZ REG_FIELD_PREP(EDP_PLL_FREQ_MASK, 1)