[Bug 30330] No DisplayPort signal in UMS mode

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30330

--- Comment #6 from Alex Deucher <agd5f at yahoo.com> 2010-10-22 16:37:53 PDT ---
Better to just use DVI if we don't know and avoid all the additional mess. 
Although DVI vs. HDMI shouldn't really matter as far as the monitor is
concerned as they are both TMDS.  Does this patch work?

--- a/src/atombios_output.c
+++ b/src/atombios_output.c
@@ -410,7 +410,7 @@ atombios_maybe_hdmi_mode(xf86OutputPtr output)
 {
 #ifndef EDID_COMPLETE_RAWDATA
     /* there's no getting this right unless we have complete EDID */
-    return ATOM_ENCODER_MODE_HDMI;
+    return ATOM_ENCODER_MODE_DVI;
 #else
     if (output && xf86MonitorIsHDMI(output->MonInfo))
        return ATOM_ENCODER_MODE_HDMI;

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