[Bug 212373] New: Dual monitors does not sleep when inactive
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Sun Mar 21 18:19:17 UTC 2021
https://bugzilla.kernel.org/show_bug.cgi?id=212373
Bug ID: 212373
Summary: Dual monitors does not sleep when inactive
Product: Drivers
Version: 2.5
Kernel Version: 5.8.0-45
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri at kernel-bugs.osdl.org
Reporter: edouard at the-redunicorn.fr
Regression: No
Hi,
Recently I noticed an issue with my dual monitors configuration. I used to have
my monitors sleeping after 5 minutes of inactivity, as setup in gnome control
center.
When I changed them, the behavior was not that described anymore. It is not
related to the monitors as far as this sleeping feature works with an other OS.
The difference between the new ones and the old ones *may* be the DPMS feature.
The new behavior observed is:
- after X minutes of inactivity, monitors go black
- instead of having a "no signal" popup, monitors re-up after few seconds
- after X minutes again of inactivity, monitors go black again
- etc
I get the same by typing xset dpms force off.
When I try this with only one monitor connected, it goes to sleep as expected.
The fact is, after seeking for hours in forums, I found that :
https://askubuntu.com/questions/1047182/dual-monitors-on-18-04-with-radeon-rx-580-gpu.
And for an unknown reason, despite the fact the issue described there does not
seem to be related to mine, disabling the DC layer of amdgpu works! In other
words, after X minutes of inactivity both monitors go to sleep as expected.
I hope this is not to confusing.. it is quite hard to describe as a non-english
native person.
Cheers.
PS: my 'uname -a' returns Linux XXXX 5.8.0-45-generic #51~20.04.1-Ubuntu SMP
Tue Feb 23 13:46:31 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
--
You may reply to this email to add a comment.
You are receiving this mail because:
You are watching the assignee of the bug.
More information about the dri-devel
mailing list