Nouveau - Feb 2010 - [Bug 26797] New: GeForce 6150SE: DVI-connector not detected

http://bugs.freedesktop.org/show_bug.cgi?id=26797

           Summary: GeForce 6150SE: DVI-connector not detected
           Product: xorg
           Version: 7.4
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: fschaefer.oss at googlemail.com
         QAContact: xorg-team at lists.x.org


Nouveau doesn't detect the DVI-connector of my GeForce 6150SE (Asus M2N-VM
DH).
The screen turns black during boot-process immediately after the "[drm]
nouveau ..." messages appeared.

The board has two connectors (DVI + VGA) and I'm using the DVI-connector
only. Everything is fine when I use a VGA-cable instead.

Tested with kernel 2.6.33.


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--- Comment #1 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-02-28 03:10:23 PST ---
Created an attachment (id=33637)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33637)
boot.msg


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--- Comment #2 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-02-28 03:28:56 PST ---
I've sent the requested mmio-trace.


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Marcin Slusarz <marcin.slusarz at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #33637|application/octet-stream    |text/plain
          mime type|                            |




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--- Comment #3 from Francisco Jerez <currojerez at riseup.net>  2010-03-04
07:52:24 PST ---
Created an attachment (id=33758)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33758)
dcb_type_4_hack.patch

Bad news... The TMDS tables in your BIOS are stale and do *not* describe how to
set up this external TMDS encoder (instead they describe an integrated encoder
that doesn't really exist in your card). 

It could still be that the modesetting process is encoded somewhere else using
a different bytecode format but I seriously doubt it, the output from this
command might give us a clearer answer:
# ./vbtracetool -l -d -s 317 2>trace.log

You can get vbtracetool here [1]. If you're very lucky the patch I'm
attaching
will improve things, but probably not: most likely your encoder chip will need
its own stand-alone driver.

[1] http://cgit.freedesktop.org/~stuart/vbtracetool/


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--- Comment #4 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-03-04 11:04:42 PST ---
The patch didn't work. :(

Are you sure the suggested vbtracetool command is right ?
Screen turns black immediately and I get a log of ~2GB !!??


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--- Comment #5 from Francisco Jerez <currojerez at riseup.net>  2010-03-04
14:41:30 PST ---
(In reply to comment #4)
> The patch didn't work. :(
> 
> Are you sure the suggested vbtracetool command is right ?
> Screen turns black immediately and I get a log of ~2GB !!??
> 
That's a bit unexpected but possible, any chance I could have a look at e.g.
the first 100MB? You could use "dd" to cut it, like:
$ dd if=trace.log of=trace1.log bs=1M count=100

Compression should also make it a good deal smaller.


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--- Comment #6 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-03-05 05:56:07 PST ---
Created an attachment (id=33788)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33788)
First 100MB of the vb-trace


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--- Comment #7 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-03-05 06:01:33 PST ---
LZMA compresses the whole 2 GB to 14.1 MB (!).
So I could send it, too.


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--- Comment #8 from Francisco Jerez <currojerez at riseup.net>  2010-03-05
06:14:40 PST ---
(In reply to comment #7)
> LZMA compresses the whole 2 GB to 14.1 MB (!).
> So I could send it, too.
> 
It would be interesting as well. Thanks.


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--- Comment #9 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-03-05 06:21:43 PST ---
As attachment or per mail (like the mmiotrace) ?


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--- Comment #10 from Francisco Jerez <currojerez at riseup.net> 
2010-03-05 06:34:46 PST ---
(In reply to comment #9)
> As attachment or per mail (like the mmiotrace) ?
> 
Per mail, preferably to the mmio.dumps account.


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--- Comment #11 from Francisco Jerez <currojerez at riseup.net> 
2010-03-06 10:04:21 PST ---
(In reply to comment #7)
> LZMA compresses the whole 2 GB to 14.1 MB (!).
> So I could send it, too.
> 
Thanks, that's been useful, but sadly your BIOS does it with a bunch of
ad-hoc
x86 code, as in the old days.

The blob used to let out the names of any external encoders when you gave it a
high enough verbosity level. They often have register-level specs available so
implementing a driver for it would possibly involve little RE-ing, but still a
good deal of work.


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--- Comment #12 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-03-07 06:18:02 PST ---
(In reply to comment #11)
> The blob used to let out the names of any external encoders when you gave
it a
> high enough verbosity level. 
Is there a way to increase the verbosity level ?
Anything else I can do ?


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--- Comment #13 from Francisco Jerez <currojerez at riseup.net> 
2010-03-07 12:46:43 PST ---
(In reply to comment #12)
> (In reply to comment #11)
> > The blob used to let out the names of any external encoders when you
gave it a
> > high enough verbosity level. 
> 
> Is there a way to increase the verbosity level ?
I'd try "Xorg -logverbose 8".
> Anything else I can do ?
> 
I'm not sure, making this work will probably involve too much new code to be
carried out remotely and not go mad at the same time. :)


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--- Comment #14 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-03-08 04:05:33 PST ---
(In reply to comment #13)
> > Anything else I can do ?
> 
> I'm not sure, making this work will probably involve too much new code
to be
> carried out remotely and not go mad at the same time. :)
Well, I can checkout remote repositories/branches for testing ;)

The sh.. is, that this GPU is blacklisted by the nv-driver (screen corruption),
so people are stuck with VESA when the blob is declared as "legacy"
one day
(soon ?)...


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--- Comment #15 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-03-08 04:08:17 PST ---
Created an attachment (id=33861)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33861)
Xorg.0.log with "-logverbose 8" (Nvida driver 195.36.08)


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--- Comment #16 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-03-08 04:13:37 PST ---
The TDMS is a

Silicon Image
TMDS PanelLink
Sil1364ACTU
Q6?844.1-1 (? is D/O/0)
0611
AD??KD2 (? is D/O/0)


Can't find a datasheet, maybe you have more luck / better connections ;)

For reference: the MB is a ASUS M2N-VM DH


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--- Comment #17 from Francisco Jerez <currojerez at riseup.net> 
2010-03-08 05:32:05 PST ---
(In reply to comment #16)
> The TDMS is a
> 
> Silicon Image
> TMDS PanelLink
> Sil1364ACTU
> Q6?844.1-1 (? is D/O/0)
> 0611
> AD??KD2 (? is D/O/0)
> 
> 
> Can't find a datasheet, maybe you have more luck / better connections
;)
> 
> For reference: the MB is a ASUS M2N-VM DH
> 
That's interesting, it's an sDVO TMDS transmitter, the intel driver has
code
[1] for a similar piece of hardware.

[1]
http://cgit.freedesktop.org/nouveau/linux-2.6/tree/drivers/gpu/drm/i915/dvo_sil164.c


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--- Comment #18 from Frank Schaefer <fschaefer.oss at googlemail.com> 
2010-03-09 05:24:59 PST ---
According to [1]+[2], sDVO is used by

nForce430 + Geforce 6150SE
nForce430 + Geforce 6100

[1] http://www.nvidia.de/page/legacy_gpu_mobo_tech_specs.html
[2] http://www.nvidia.de/page/gpu_mobo_tech_specs.html


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

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

--- Comment #19 from Ilia Mirkin <imirkin at alum.mit.edu> ---
It appears that this bug report has laid dormant for quite a while. Sorry we
haven't gotten to it. Since we fix bugs all the time, chances are pretty
good
that your issue has been fixed with the latest software. Please give it a shot.
(Linux kernel 3.10.7, xf86-video-nouveau 1.0.9, mesa 9.1.6, or their git
versions.) If upgrading to the latest isn't an option for you, your
distro's
bugzilla is probably the right destination for your bug report.

In an effort to clean up our bug list, we're pre-emptively closing all bugs
that haven't seen updates since 2011. If the original issue remains, please
make sure to provide fresh info, see http://nouveau.freedesktop.org/wiki/Bugs/
for what we need to see, and re-open this one.

Thanks,

The Nouveau Team

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Frank Schaefer <fschaefer.oss at googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|INVALID                     |---

--- Comment #20 from Frank Schaefer <fschaefer.oss at googlemail.com> ---
This bug report still applies to the latest kernel.
A driver for the Sil1364 is missing.

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|GeForce 6150SE:             |[NV4C] GeForce 6150SE:
                   |DVI-connector not detected  |DVI-connector not detected

--- Comment #21 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Which kernel is the latest kernel? Could you put up a dmesg from it? Also,
could you supply your VBIOS? (/sys/kernel/debug/dri/0/vbios.rom)

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--- Comment #22 from Frank Schaefer <fschaefer.oss at googlemail.com> ---
(In reply to comment #21)
> Which kernel is the latest kernel?
3.10
I'm on Radeon hardware since then and I can't switch back easily.
> Could you put up a dmesg from it? 
Nothing has changed, DCB type 4 is still unknown.
> Also, could you supply your VBIOS? (/sys/kernel/debug/dri/0/vbios.rom)
Already sent 3 1/2 years ago. See comments #6-11


Please read the the whole bug report.
The reason why the connector doesn't work, is that the DVI connector is
realized with a Sil1364 sDVO and there is no driver for it yet.
I don't have access to datasheets of the Sil1364.
If we have a driver for this device one day, I'll be glad to test it.

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--- Comment #23 from Ilia Mirkin <imirkin at alum.mit.edu> ---
I did read the whole bug report. What you attached was not the vbios. The vbios
should be ~50-60K. There was support added semi-recently for external encoders
(in 3.9), but I just checked and it was only on nv50+.

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[NV4C] GeForce 6150SE:      |[NV4C] GeForce 6150SE:
                   |DVI-connector not detected  |external DVI encoder not
                   |                            |supported (Sil1364)

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexander.stein at informatik.
                   |                            |tu-chemnitz.de

--- Comment #24 from Ilia Mirkin <imirkin at alum.mit.edu> ---
*** Bug 40138 has been marked as a duplicate of this bug. ***

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

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

--- Comment #25 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/6.

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