Nouveau - Apr 2017 - [Bug 100676] New: gp104 - messy(random green and/or missing pixel lines) then no output at and after boot

https://bugs.freedesktop.org/show_bug.cgi?id=100676

            Bug ID: 100676
           Summary: gp104 - messy(random green and/or missing pixel lines)
                    then no output at and after boot
           Product: xorg
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: nvbugs at nym.hush.com
        QA Contact: xorg-team at lists.x.org

Created attachment 130836
  --> https://bugs.freedesktop.org/attachment.cgi?id=130836&action=edit
extracted journalctl log

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--- Comment #1 from Ben Skeggs <skeggsb at gmail.com> ---
Can you boot your kernel with "log_buf_len=8M drm.debug=0x14
nouveau.debug=disp=trace,i2c=trace,bios=trace" and post an updated log?

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xen <nvbugs at nym.hush.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #130836|0                           |1
        is obsolete|                            |

--- Comment #2 from xen <nvbugs at nym.hush.com> ---
Created attachment 130841
  --> https://bugs.freedesktop.org/attachment.cgi?id=130841&action=edit
extracted journalctl log #2

kernel log with "log_buf_len=8M drm.debug=0x14
nouveau.debug=disp=trace,i2c=trace,bios=trace"

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--- Comment #3 from xen <nvbugs at nym.hush.com> ---
Created attachment 130842
  --> https://bugs.freedesktop.org/attachment.cgi?id=130842&action=edit
photo taken from primary output during boot

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--- Comment #4 from Ben Skeggs <skeggsb at gmail.com> ---
(In reply to xen from comment #3)
> Created attachment 130842 [details]
> photo taken from primary output during boot
Ah, thank you.  I know what's going on here, it relates to some as of yet
unimplemented display architecture changes that GM20x requires.

I shall fix it, but it might take me a little while to figure out how exactly
to go about it.

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--- Comment #5 from Ben Skeggs <skeggsb at gmail.com> ---
If you build the kernel module from my tree[1], I believe your issues will be
resolved now.

[1] https://github.com/skeggsb/nouveau/commits/master

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Martin Peres <martin.peres at free.fr> changed:

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

--- Comment #6 from Martin Peres <martin.peres at free.fr> ---
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