GEN3_SDVOC
#define GEN4_HDMIC GEN3_SDVOC
found = intel_sdvo_init(dev_priv, GEN3_SDVOC, PORT_C);
if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) {
cval = I915_READ(GEN3_SDVOC);
I915_WRITE(GEN3_SDVOC, cval);
POSTING_READ(GEN3_SDVOC);