GEN3_SDVOC
found = intel_sdvo_init(display, GEN3_SDVOC, PORT_C);
if (!found && (intel_de_read(display, GEN3_SDVOC) & SDVO_DETECTED)) {
#define GEN4_HDMIC GEN3_SDVOC
cval = intel_de_read(display, GEN3_SDVOC);
intel_de_write(display, GEN3_SDVOC, cval);
intel_de_posting_read(display, GEN3_SDVOC);