GEN3_SDVOB
if (intel_de_read(display, GEN3_SDVOB) & SDVO_DETECTED) {
found = intel_sdvo_init(display, GEN3_SDVOB, PORT_B);
if (intel_de_read(display, GEN3_SDVOB) & SDVO_DETECTED) {
#define GEN4_HDMIB GEN3_SDVOB
bval = intel_de_read(display, GEN3_SDVOB);
intel_de_write(display, GEN3_SDVOB, bval);
intel_de_posting_read(display, GEN3_SDVOB);