[Bug 29026] New: r600: Garbled screen after resuming from suspend (KMS)

[Bug 29026] New: r600: Garbled screen after resuming from suspend (KMS)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29026

           Summary: r600: Garbled screen after resuming from suspend (KMS)
           Product: DRI
           Version: DRI CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: direx@betriebsdirektor.de


Created an attachment (id=36970)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36970)
system log

Using mesa-git, libdrm-git and xf86-video-ati-git I always get a garbled screen
(including framebuffer console) after resume. I took a screenshot, but
obviously it looks normal.

Video card: Radeon HD3870
Kernel: Linux-git (2.6.35-rc4+), KMS enabled by default

There is no crash or lockup, it's just sort of impossible to read anything on
the screen after resuming.

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[Bug 29026] r600: Garbled screen after resuming from suspend (KMS)

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #1 from Jerome Glisse <glisse@freedesktop.org> 2010-07-12 13:11:55 PDT ---
Can you take picture of the screen (no need for high res pic, just something
good enough so we can see the issue). Also could you boot and suspend with
drm.debug=15 option and attach system log with that option (after
suspend/resume cycle)

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[Bug 29026] r600: Garbled screen after resuming from suspend (KMS)

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> 2010-07-12 13:40:07 PDT ---
Is your distro using any vbetool pm quirks?  If so, disable them.

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[Bug 29026] r600: Garbled screen after resuming from suspend (KMS)

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #3 from Alexandre Derumier <aderumier@odiso.com> 2010-07-12 22:03:53 PDT ---
same problem for me, with last drm-radeon-testing kernel on a rv620 (dell
studio 15 laptop).

I'm using archlinux, with last mesa-git, ati-git,libdrm-git.

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[Bug 29026] r600: Garbled screen after resuming from suspend (KMS)

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #4 from Alexandre Derumier <aderumier@odiso.com> 2010-07-12 22:04:47 PDT ---
Created an attachment (id=36985)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36985)
/var/log/message with drm.debug=15

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[Bug 29026] r600: Garbled screen after resuming from suspend (KMS)

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #5 from Rafał Miłecki <zajec5@gmail.com> 2010-07-12 23:03:56 PDT ---
(In reply to comment #3)
> same problem for me, with last drm-radeon-testing kernel on a rv620 (dell
> studio 15 laptop).
> 
> I'm using archlinux, with last mesa-git, ati-git,libdrm-git.

What about pm-utils? Do you use it? If so, try version 1.3.0 which recognizes
KMS.

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[Bug 29026] r600: Garbled screen after resuming from suspend (KMS)

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #6 from Alexandre Derumier <aderumier@odiso.com> 2010-07-13 04:43:38 PDT ---
i'm using pm-utils 1.4 (no problem with drm-radeon-testing around 20 june)

i'll try to dig around pm-utils, i see they are many video quirks in

usr/lib/pm-utils/video-quirks/

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[Bug 29026] r600: Garbled screen after resuming from suspend (KMS)

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #7 from Daniel <direx@betriebsdirektor.de> 2010-07-13 11:38:14 PDT ---
I am using pm-utils 1.4.1 and all of the video quirks are disabled on my
machine.

Picture of X-Server after suspend:
http://yfrog.com/5m20100713001j

Picture of framebuffer after suspend:
http://yfrog.com/4v20100713003j

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[Bug 29026] r600: Garbled screen after resuming from suspend (KMS)

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #8 from Daniel <direx@betriebsdirektor.de> 2010-07-13 11:41:04 PDT ---
Created an attachment (id=36997)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36997)
drm.debug=15 on HD3870, x86_64

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[Bug 29026] r600: Garbled screen after resuming from suspend (KMS)

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #9 from Alex Deucher <agd5f@yahoo.com> 2010-07-13 12:23:09 PDT ---
If s/r used to work, when did it last work, and can you bisect what commit
broke it?

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[Bug 29026] r600: Garbled screen after resuming from suspend (KMS)

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #10 from Daniel <direx@betriebsdirektor.de> 2010-10-12 15:45:01 PDT ---
(In reply to comment #9)
> If s/r used to work, when did it last work, and can you bisect what commit
> broke it?
Sorry for the late reply. I cannot find the commit which broke it, however this
is still an issue.

I figured out that using xrandr after resuming fixes the garbled screen
(setting a different resolution and restoring the original one afterwards).

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[Bug 29026] [RADEON:KMS:RV670:MODESET] garbled screen after resuming from suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

Jerome Glisse <glisse@freedesktop.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|r600: Garbled screen after  |[RADEON:KMS:RV670:MODESET]
                   |resuming from suspend (KMS) |garbled screen after
                   |                            |resuming from suspend

--- Comment #11 from Jerome Glisse <glisse@freedesktop.org> 2011-02-09 07:20:48 PST ---
Still an issue with recent kernel ?

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[Bug 29026] [RADEON:KMS:RV670:MODESET] garbled screen after resuming from suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #12 from Daniel <direx@betriebsdirektor.de> 2011-02-10 02:02:36 PST ---
(In reply to comment #11)
> Still an issue with recent kernel ?
Yes. The exact same thing is still happening to me on 2.6.38-rc4 and
xf86-video-ati git.

As I already mentioned the garbled screen issue goes away when using xrandr
after resume. I personally fixed this for me by executing the following *dirty*
quirk-script on resume:

> export DISPLAY=:0
> export XAUTHORITY="/home/$USER/.Xauthority"
> xrandr --output DVI-0 --mode 1920x1080
> xrandr --output DVI-0 --mode 1680x1050


But obviously this cannot be a permanent solution.

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[Bug 29026] [RADEON:KMS:RV670:MODESET] garbled screen after resuming from suspend

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #13 from Alex Deucher <agd5f@yahoo.com> 2011-02-10 08:50:04 PST ---
(In reply to comment #12)
> As I already mentioned the garbled screen issue goes away when using xrandr
> after resume. I personally fixed this for me by executing the following *dirty*
> quirk-script on resume:
>

Can you dump your regs before and after calling xrandr? using radeonreg
available here (http://cgit.freedesktop.org/~airlied/radeontool/)

(as root after resume):
radeonreg regs all > broken.regs
(run xrandr)
radeonreg regs all > fixed.regs

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[Bug 29026] [RADEON:KMS:RV670:MODESET] garbled screen after resuming from suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #14 from Daniel Klaffenbach <danielklaffenbach@gmail.com> 2011-02-11 00:16:34 PST ---
Created an attachment (id=43235)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43235)
register dump

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[Bug 29026] [RADEON:KMS:RV670:MODESET] garbled screen after resuming from suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #15 from Alex Deucher <agd5f@yahoo.com> 2011-02-13 22:44:51 PST ---
Are you using an analog or digital connection for the monitor?

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[Bug 29026] [RADEON:KMS:RV670:MODESET] garbled screen after resuming from suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

--- Comment #16 from Daniel Klaffenbach <danielklaffenbach@gmail.com> 2011-02-14 00:50:44 PST ---
(In reply to comment #15)
> Are you using an analog or digital connection for the monitor?
I am only using digital connections.

The card has three ports:
DVI-0: My primary monitor (through DVI)
DVI-1: My AV receiver (using the DVI2HDMI adaptor that came with the card),
usually turned off
DIN: Not used (radeon.tv=0).


And I just noticed a very interesting thing:
The TV connected to my AV receiver (DVI-1) works just fine after resuming -
only the primary screen on DVI-0 is garbled.

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[Bug 29026] [RADEON:KMS:RV670:MODESET] garbled screen after resuming from suspend

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https://bugs.freedesktop.org/show_bug.cgi?id=29026

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

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

--- Comment #17 from Martin Peres <martin.peres@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/drm/amd/issues/140.

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