INTEL_DISP_EDP_PLL_FREQ_SHIFT
#define INTEL_DISP_EDP_PLL_FREQ_MASK (3 << INTEL_DISP_EDP_PLL_FREQ_SHIFT)
(read32(INTEL_DISPLAY_PORT_A) & INTEL_DISP_EDP_PLL_FREQ_MASK) >> INTEL_DISP_EDP_PLL_FREQ_SHIFT;