Nouveau - Sep 2014 - [Bug 83550] New: [NVA5] Monitor not restored after resume [regression]

https://bugs.freedesktop.org/show_bug.cgi?id=83550

          Priority: medium
            Bug ID: 83550
          Assignee: nouveau at lists.freedesktop.org
           Summary: [NVA5] Monitor not restored after resume [regression]
        QA Contact: xorg-team at lists.x.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: anka.213.bacn+freedesktop at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 105823
  --> https://bugs.freedesktop.org/attachment.cgi?id=105823&action=edit
vbios.rom

I have a GT216 [GeForce 210] (rev a2). I have two monitors, one connected with
DVI, the other with VGA. In revisions after 415f12efc1b only the one connected
to VGA will restore after suspend.

I need to apply
[ba5e01b0d0146c2d2bb5475cf1d6efec51bf2669] drm/nv50/disp: fix a potential oops
in supervisor handling
to make it restore at all in 415f12efc1b..ba5e01b0d^. Otherwise the computer
completely fails to resume. (The computer wakes up but is completely
unresponsive. Both monitors are off. Pressing the keyboard makes the num-lock
key blink once and nothing more. This is the same behaviour it has when the
computer is suspended. The only difference is that the power light is not
blinking.)

xrandr seems to think that the screen was restored properly.

> lspci
01:00.0 VGA compatible controller: NVIDIA Corporation GT216 [GeForce 210] (rev
a2)
> git bisect log
# first bad commit: [415f12efc1b2308411b2cbc3e82666b3db8a7758] drm/nv50/disp:
start removing direct vbios parsing from supervisor

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--- Comment #1 from Hjulle <anka.213.bacn+freedesktop at gmail.com> ---
Created attachment 105824
  --> https://bugs.freedesktop.org/attachment.cgi?id=105824&action=edit
dmesg log

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--- Comment #2 from Hjulle <anka.213.bacn+freedesktop at gmail.com> ---
Here is the output of xrandr after the failed resume. DVI-I-1 is not restored.
> xrandr
Screen 0: minimum 320 x 200, current 2560 x 1024, maximum 8192 x 8192
DVI-I-1 connected primary 1280x1024+0+0 (normal left inverted right x axis y
axis) 376mm x 301mm
   1280x1024     60.02*+  75.02  
   1280x960      60.00  
   1152x864      75.00  
   1024x768      75.08    70.07    60.00  
   832x624       74.55  
   800x600       72.19    75.00    60.32    56.25  
   640x480       75.00    72.81    66.67    60.00  
   720x400       70.08  
VGA-1 connected 1280x1024+1280+0 (normal left inverted right x axis y axis)
337mm x 270mm
   1280x1024     60.02*+  75.02  
   1152x864      75.00  
   1024x768      75.08    70.07    60.00  
   832x624       74.55  
   800x600       72.19    75.00    60.32  
   640x480       75.00    72.81    60.00  
   720x400       70.08  
HDMI-1 disconnected (normal left inverted right x axis y axis)

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Hjulle <anka.213.bacn+freedesktop at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[NVA5] Monitor not restored |[NVA5] Monitor not restored
                   |after resume [regression]   |after resume [regression]
                   |                            |[bisected]

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--- Comment #3 from Adam Williamson <adamw at happyassassin.net> ---
https://bugs.freedesktop.org/show_bug.cgi?id=80506 could very well be a case of
this.

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--- Comment #4 from poma <pomidorabelisima at gmail.com> ---
Created attachment 106333
  --> https://bugs.freedesktop.org/attachment.cgi?id=106333&action=edit
vbios.rom


cat /sys/kernel/debug/dri/0/vbios.rom > vbios.rom
http://nouveau.freedesktop.org/wiki/DumpingVideoBios

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--- Comment #5 from Ortwin Gl?ck <odi at odi.ch> ---
Created attachment 106559
  --> https://bugs.freedesktop.org/attachment.cgi?id=106559&action=edit
log from last good commit

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--- Comment #6 from Ortwin Gl?ck <odi at odi.ch> ---
Created attachment 106560
  --> https://bugs.freedesktop.org/attachment.cgi?id=106560&action=edit
log from first bad commit

This is the debug output of a boot/suspend/resume cycle of first bad commit
415f12efc1b2308411b2cbc3e82666b3db8a7758 with nouveau.debug=trace,PDISP=spam

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Ortwin Gl?ck <odi at odi.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #106559|0                           |1
        is obsolete|                            |

--- Comment #7 from Ortwin Gl?ck <odi at odi.ch> ---
Created attachment 106662
  --> https://bugs.freedesktop.org/attachment.cgi?id=106662&action=edit
log of last good commit

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Ortwin Gl?ck <odi at odi.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #106560|0                           |1
        is obsolete|                            |

--- Comment #8 from Ortwin Gl?ck <odi at odi.ch> ---
Created attachment 106663
  --> https://bugs.freedesktop.org/attachment.cgi?id=106663&action=edit
log of first bad commit

Here the complete versions of the log files. gzip'ed due to size
Bugzilla's
restrictions.

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Ortwin Gl?ck <odi at odi.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #106663|0                           |1
        is obsolete|                            |

--- Comment #9 from Ortwin Gl?ck <odi at odi.ch> ---
Created attachment 106664
  --> https://bugs.freedesktop.org/attachment.cgi?id=106664&action=edit
log of first bad commit

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--- Comment #10 from Ben Skeggs <skeggsb at gmail.com> ---
Can you give it a try with
http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=a68e95365a4248d3f58c8663e4513c79273ac704
applied?

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--- Comment #11 from poma <pomidorabelisima at gmail.com> ---

3.17.0-0.rc7.git0.2.fc21.x86_64  PASSED
  i.e.
3.17.0-0.rc7.git0.1.fc22.x86_64
  patched with 
  "disp/nv50: fix dpms regression on certain boards"
  http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=a68e953

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poma <pomidorabelisima at gmail.com> changed:

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

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--- Comment #12 from poma <pomidorabelisima at gmail.com> ---
Tested with:
Chipset: G98 (NV98)
Chipset: MCP79/MCP7A (NVAC)
Family : NV50

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--- Comment #13 from poma <pomidorabelisima at gmail.com> ---
Ben, if it's late for 3.17, please push it downstream to land in Fedora 21.

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poma <pomidorabelisima at gmail.com> changed:

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

--- Comment #14 from poma <pomidorabelisima at gmail.com> ---
Hjulle, this is your report so you close it when you're done with testing.

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--- Comment #15 from Ortwin Gl?ck <odi at odi.ch> ---
I confirm that the patch fixes the issue also for me.

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--- Comment #16 from Ortwin Gl?ck <odi at odi.ch> ---
(In reply to Ortwin Gl?ck from comment #15)
> I confirm that the patch fixes the issue also for me.
Chipset: GT215 (NVA3)
Family : NV50

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

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

--- Comment #17 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Later testers indicate that the issue is fixed. OP hasn't replied, marking
fixed anyways.

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