[Nouveau] [Bug 42402] New: [NV92] Display not Detected if Connected to HDMI Port

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=42402

             Bug #: 42402
           Summary: [NV92] Display not Detected if Connected to HDMI Port
    Classification: Unclassified
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: insane at fmi.uni-sofia.bg
         QAContact: xorg-team at lists.x.org


Created attachment 52915
  --> https://bugs.freedesktop.org/attachment.cgi?id=52915
dmesg with kernel params drm.debug=0x14 nouveau.reg_debug=0x200 log_buf_len=1M

A DVI display is not detected when connected to the HDMI port of HP Compaq
8710w. The cable and display are working with the nvidia blob and in windows 7.

Card: 01:00.0 VGA compatible controller: nVidia Corporation G92M [Quadro FX
3600M] (rev a2) (prog-if 00 [VGA controller])

Kernel: d8d9b856376637163d7b9c5a22aad4bc9a36742c

This might be duplicate of #39843: "HDMI output not detected on Point of View
R-VGA150904 (nv96, 9500gt)"

Note: after suspend to ram, the display is detected, but there is no signal
after enabling it with xrandr.

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