Nouveau - Aug 2011 - [Bug 40138] New: nouveau doesn't show screen on DVI on ALiveNF6G-DVI with DVI Graphics-SI Card

https://bugs.freedesktop.org/show_bug.cgi?id=40138

           Summary: nouveau doesn't show screen on DVI on ALiveNF6G-DVI
                    with DVI Graphics-SI Card
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: alexander.stein at informatik.tu-chemnitz.de
         QAContact: xorg-team at lists.x.org


I installed x11-base/nouveau-drm-99999999 on my Gentoo linux (which should be
git HEAD) to get a more recent kernel module for my 3.0.0 kernel.
The kernel starts fine showing the kernel log messages on the DVI connector.
But (I guess) after loading the nouveau kernel module the screen gets blank and
I have to use the VGA connector, which works fine nevertheless. Also X11 starts
fine using the nouveau driver.
Before I used nv driver which supported the DVI output, both VT and X11.
I'll attach the dmesg.

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--- Comment #1 from Alexander Stein <alexander.stein at
informatik.tu-chemnitz.de> 2011-08-16 05:13:14 PDT ---
Created an attachment (id=50264)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50264)
dmesg output

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--- Comment #2 from Alexander Stein <alexander.stein at
informatik.tu-chemnitz.de> 2011-08-23 01:13:55 PDT ---
Created an attachment (id=50473)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50473)
VBIOS dump

As suggested on IRC I added the VBIOS read from
/sys/kernel/debug/dri/0/vbios.rom

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--- Comment #3 from Marcin Slusarz <marcin.slusarz at gmail.com>
2011-09-08 07:55:30 PDT ---
Created an attachment (id=50978)
 View: https://bugs.freedesktop.org/attachment.cgi?id=50978
 Review: https://bugs.freedesktop.org/review?bug=40138&attachment=50978

quirk

Does it work with this patch?

If it works please attach output of lspci -vvn and test VGA output.

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--- Comment #4 from Alexander Stein <alexander.stein at
informatik.tu-chemnitz.de> 2011-09-12 23:34:07 PDT ---
(In reply to comment #3)
> Created an attachment (id=50978)
 View: https://bugs.freedesktop.org/attachment.cgi?id=50978
 Review: https://bugs.freedesktop.org/review?bug=40138&attachment=50978
> quirk
> 
> Does it work with this patch?
> 
> If it works please attach output of lspci -vvn and test VGA output.
No, this doesn't work. DVI is used when in BIOS and GRUB. It is also used
when
starting the kernel in VESA(?) mode and DVI is disabled when the nouveau module
is loaded.

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--- Comment #5 from Marcin Slusarz <marcin.slusarz at gmail.com>
2011-09-13 04:50:42 PDT ---
Please attach dmesg with this patch applied and drm.debug=6 in kernel command
line.

Does Nvidia blob work with this card?

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--- Comment #6 from Alexander Stein <alexander.stein at
informatik.tu-chemnitz.de> 2011-09-28 09:11:40 PDT ---
Created an attachment (id=51721)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51721)
dmesg with drm.debug=6

For nvidia blob the video output stays on DVI until X11 gets started, then it
switched to D-SUB.

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--- Comment #7 from Alexander Stein <alexander.stein at
informatik.tu-chemnitz.de> 2012-02-20 00:50:44 PST ---
Created attachment 57301
  --> https://bugs.freedesktop.org/attachment.cgi?id=57301
dmesg with drm.debug=6

This is the dmesg from git kernel with commit
2d44ad2a2a70c3f3a8edf8a4680dd3e15cddbde3 where only DVI is connected.
I'm wondering if these entries are related to the extension card:
[    8.982259] [drm] nouveau 0000:00:0d.0: DCB type 4 not known
[    8.982264] [drm] nouveau 0000:00:0d.0: Unknown-1 has no encoders, removing

To me it seems the DVI connector type is unknown.

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #8 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Would be nice if you could confirm that you also have a Sil1364 encoder (I'm
guessing the chip is somewhere near the DVI connector), but I'm guessing
it's
the same situation.

*** This bug has been marked as a duplicate of bug 26797 ***

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