INTEL_DISP_PORT_WIDTH_MASK
uint32 lanes = ((read32(_PortRegister()) & INTEL_DISP_PORT_WIDTH_MASK) >> INTEL_DISP_PORT_WIDTH_SHIFT) + 1;
((read32(INTEL_DISPLAY_PORT_A) & INTEL_DISP_PORT_WIDTH_MASK) >> INTEL_DISP_PORT_WIDTH_SHIFT) + 1;