Nouveau - Nov 2007 - [Bug 13373] New: Nouveau does will not display DVI-A-1

http://bugs.freedesktop.org/show_bug.cgi?id=13373

           Summary: Nouveau does will not display DVI-A-1
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: adam at tpetaccia.com
         QAContact: xorg-team at lists.x.org


stillunknown asked me if starting up nouveau on DVI-A-1 worked (from cold
start).  It doesn't.  Curiously enough, DVI-D-1 works, as well as DVI-A-0
(DVI-D-0 works as well).  This could explain a lot concerning why dual-head
wasn't working for me.


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------- Comment #1 from adam at tpetaccia.com  2007-11-23 18:36 PST -------
Created an attachment (id=12707)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=12707&action=view)
Xorg-DVIA1 20071123

This is from a cold start.  Replacing DVI-D-1 with DVI-A-1 doesn't work. 
Interestingly enough, the monitor does indicate that it's getting a signal,
but
nothing is displayed.  This is from the latest git.


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------- Comment #2 from madman2003 at gmail.com  2007-11-24 04:17 PST -------
I took out a potentional problem, please try again.


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adam at tpetaccia.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #12707|0                           |1
        is obsolete|                            |




------- Comment #3 from adam at tpetaccia.com  2007-11-24 05:51 PST -------
Created an attachment (id=12708)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=12708&action=view)
Xorg DVI-A-1 20071124

Xorg comes up now.  Running xrandr --auto when I plug the second monitor in
gives me "Input not supported", but thankfully I can still VT switch
and kill
the X server.


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adam at tpetaccia.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Nouveau does will not       |Nouveau will not display
                   |display DVI-A-1             |DVI-A-1




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------- Comment #4 from madman2003 at gmail.com  2007-11-24 06:24 PST -------
I have a vague idea what may be causing this, i'm working on it, but i need
to
make sure i introduce no holes into the system.


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------- Comment #5 from madman2003 at gmail.com  2007-11-24 06:48 PST -------
Give it another spin.


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adam at tpetaccia.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #12708|0                           |1
        is obsolete|                            |




------- Comment #6 from adam at tpetaccia.com  2007-11-26 05:10 PST -------
Created an attachment (id=12722)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=12722&action=view)
Xorg log 2007 11 26

DVI-A-1 comes up fine, but when I run xrandr --auto, my monitor just shows
"Input Not Supported", and pulling the cable reveals that there is no
signal to
DVI-D-0.


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------- Comment #7 from madman2003 at gmail.com  2007-11-26 10:31 PST -------
Please try again, i fixed something important (for your situation).


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adam at tpetaccia.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #12722|0                           |1
        is obsolete|                            |




------- Comment #8 from adam at tpetaccia.com  2007-11-26 11:13 PST -------
Created an attachment (id=12727)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=12727&action=view)
Xorg 2007 11 26 (2nd attempt)

Exact same results as last time.


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------- Comment #9 from madman2003 at gmail.com  2007-11-26 11:44 PST -------
I spotted an even bigger bug, will have to think about how i fix this.


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------- Comment #10 from madman2003 at gmail.com  2007-11-26 13:13 PST -------
It should now set the vpll properly, which means your analog output should at
least stay alive (i hope ;-)).


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adam at tpetaccia.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #12727|0                           |1
        is obsolete|                            |




------- Comment #11 from adam at tpetaccia.com  2007-11-27 05:20 PST -------
Created an attachment (id=12736)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=12736&action=view)
2007 11 27 Attempt

Exact same result.  However, I did switch to a console and try to run xrandr. 
I'll attach that to see if its helpful.


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------- Comment #12 from adam at tpetaccia.com  2007-11-27 05:20 PST -------
Created an attachment (id=12737)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=12737&action=view)
xrandr output

I had to run this by switching to VT1 and running DISPLAY=:0 xrandr.  Don't
know if this is helpful at all.


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------- Comment #13 from madman2003 at gmail.com  2007-11-27 08:35 PST -------
Maybe i "fixed" that first thing incorrectly, it still seems like your
getting
the wrong clock. So it's a wrong sel_clk or the order of clocks is the other
way around.


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------- Comment #14 from madman2003 at gmail.com  2007-11-30 08:00 PST -------
There were a few significant bugs, please try again.

And yes, it did take this long :-(


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------- Comment #15 from adam at tpetaccia.com  2007-12-02 06:27 PST -------
Just recording that DVI-D-0 doesn't work now.
Here's a little chart of functionality:

? Cold Plugging
   ? ./ DVI-A-0+DVID1
   ? DVI-D-0
      ? No Signal
   ? ./ DVI-A-0
   ? ./ DVI-D-1
? Hot Plug
   ? DVI-D-1 hotplug DVI-A-0
      ? DVI-A-0 is corrupted
   ? DVI-A-0 hotplug DVI-D-0
      ? DVI-D-0: No Signal
   ? DVI-A-1 hotplug DVI-D-1
      ? DVI-D-1: No Signal


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------- Comment #16 from madman2003 at gmail.com  2007-12-02 10:25 PST -------
This was with todays version?


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------- Comment #17 from adam at tpetaccia.com  2007-12-02 13:39 PST -------
~ 8 AM Eastern Time.


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------- Comment #18 from madman2003 at gmail.com  2007-12-05 09:27 PST -------
There were some changes to tmds modesetting, so please try again.


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------- Comment #19 from adam at tpetaccia.com  2007-12-06 06:13 PST -------
Cold Plug
  ? ./ DVI-A-0+DVI-D-1 (RandR works, too)
  ? ./DVI-A-1
  ? X DVI-D-0
    ? Weird signal
  ? X DVI-D-1
    ? No Signal
Hot Plug
  ? DVI-D0 hotplug DVI-A-1
    ? weirder colors
  ? DVI-A-0 hotplug DVI-D-1
    ? No Signal
  ? DVI-A-1 hotplug DVI-D-0
    ? No Signal

Note that these results aren't consistant.  I've gotten DVI-D-0 to have
a very
odd looking output, or none.


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------- Comment #20 from madman2003 at gmail.com  2007-12-06 09:52 PST -------
Please post xlogs of at least the problematic output too.


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------- Comment #21 from madman2003 at gmail.com  2007-12-06 12:32 PST -------
I have discovered that a 7600gt only has one dual link transmitter, explaining
why DVI-D-1 is less problematic.


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------- Comment #22 from madman2003 at gmail.com  2007-12-06 14:42 PST -------
I was wrong about that, the 7600gt actually has two dual link outputs.
But a new xorg log will reveal what is actually happening ;-)


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------- Comment #23 from madman2003 at gmail.com  2007-12-08 09:42 PST -------
There's been a slew of fixes, and i've had positive feedback about dual
link
dvi on a 7600gs. So give it another shot.


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------- Comment #24 from madman2003 at gmail.com  2007-12-17 10:49 PST -------
Please try again.


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adam at tpetaccia.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #12736|0                           |1
        is obsolete|                            |




------- Comment #25 from adam at tpetaccia.com  2007-12-18 08:32 PST -------
Created an attachment (id=13184)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13184&action=view)
2007 12 18

Still wrong colors; this is a log before a VT switch.


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------- Comment #26 from adam at tpetaccia.com  2007-12-18 08:32 PST -------
Created an attachment (id=13185)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13185&action=view)
2007 12 18 - VT Switch

Log after the VT switch, with colors fixed.


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------- Comment #27 from madman2003 at gmail.com  2007-12-23 03:03 PST -------
You have a reasonable chance now, we were not setting the default color palette
on a modeset. So let me know if that works.


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adam at tpetaccia.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #13184|0                           |1
        is obsolete|                            |
  Attachment #13185|0                           |1
        is obsolete|                            |




------- Comment #28 from adam at tpetaccia.com  2007-12-24 13:34 PST -------
Created an attachment (id=13346)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13346&action=view)
Successful attempt 2007 12 24

It works now, with latest git.  No VT switch required. 


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------- Comment #29 from madman2003 at gmail.com  2007-12-24 13:39 PST -------
Does this cover the known bugs for you (=can i close this bug)?


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madman2003 at gmail.com changed:

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




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