[Bug 105188] Monitors don't always wake up after sleep

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105188

Martin Peres  changed:

   What|Removed |Added

 Resolution|--- |MOVED
 Status|NEW |RESOLVED

--- Comment #4 from Martin Peres  ---
-- 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/310.

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[Bug 105188] Monitors don't always wake up after sleep

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105188

--- Comment #3 from Michał Bartoszkiewicz  ---
The monitors are set to DP input, auto-scan is disabled.

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[Bug 105188] Monitors don't always wake up after sleep

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105188

--- Comment #2 from Harry Wentland  ---
Are the monitors set to DP input or to auto-scan the inputs?

We've seen similar issues with some monitors that auto-scan inputs and
disappear on us when we try to enable them.

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[Bug 105188] Monitors don't always wake up after sleep

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105188

--- Comment #1 from Michał Bartoszkiewicz  ---
Created attachment 137498
  --> https://bugs.freedesktop.org/attachment.cgi?id=137498=edit
Kernel configuration

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[Bug 105188] Monitors don't always wake up after sleep

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=105188

Bug ID: 105188
   Summary: Monitors don't always wake up after sleep
   Product: DRI
   Version: unspecified
  Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
  Severity: normal
  Priority: medium
 Component: DRM/AMDgpu
  Assignee: dri-devel@lists.freedesktop.org
  Reporter: mbartoszkiew...@gmail.com

Created attachment 137497
  --> https://bugs.freedesktop.org/attachment.cgi?id=137497=edit
Kernel log

Hardware:
 GPU: Gigabyte Radeon RX 480 G1 Gaming 8GB
 Monitors: 3× Eizo FlexScan S2243W, connected using DP
Software:
 Distribution: Gentoo
 Kernel: 4.15.4
 x11-drivers/xf86-video-amdgpu-1.4.0
 x11-base/xorg-server-1.19.6
 media-libs/mesa-18.0.0_rc4
 x11-libs/libdrm-2.4.89

The monitors do not always correctly wake up from sleep.
E.g. after locking the session, the monitors go to sleep.
After pressing a key, only some wake up – the rest are still sleeping.
It does not seem to be deterministic – sometimes a monitor will wake up
correctly, sometimes not.

The kernel log attached is after running the following script:
for i in {1..5}; do echo "XXX before suspend $i" | sudo tee /dev/kmsg; xset
dpms force suspend; sleep 10; echo "XXX before on $i" | sudo tee /dev/kmsg;
xset dpms force on; sleep 10; echo "XXX status $i:" $(cat
/sys/devices/pci:00/:00:03.0/:03:00.0/drm/card0/card0-DP-*/status)
| sudo tee /dev/kmsg; done

I am not sure if it is directly related to this issue, but the kernel log
contains two refcount_t warnings in amdgpu code.

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