[Powerdevil] [Bug 357288] Setting "Screen Energy Saving" in "Energy Saving" config has no effect

[Jiri Tyr]

https://bugs.kde.org/show_bug.cgi?id=357288

--- Comment #8 from Jiri Tyr <jiri.tyr at gmail.com> ---
I'm suffering from the same issue. The screen power management doesn't work
properly when the screen is locked. This is the log from xset -q:

$ while [ true ]; do echo -n '['$(date +%T)']'; xset -q | grep -A2 Standby |
xargs -I'{}' echo -n ' {};' | sed -r 's/\s+/ /g'; echo -e "\r"; sleep 1; done
# I locked the screen
[13:02:15] Standby: 120 Suspend: 180 Off: 240; DPMS is Enabled; Monitor is On;
...
[13:22:39] Standby: 120 Suspend: 180 Off: 240; DPMS is Enabled; Monitor is On;
[13:22:40] Standby: 120 Suspend: 180 Off: 240; DPMS is Enabled; Monitor is in
Standby;
...
[14:41:52] Standby: 120 Suspend: 180 Off: 240; DPMS is Enabled; Monitor is in
Standby;
# Here I unlocked the screen
[14:41:53] Standby: 120 Suspend: 180 Off: 240; DPMS is Enabled; Monitor is On;
...
[14:42:02] Standby: 120 Suspend: 180 Off: 240; DPMS is Enabled; Monitor is On;
# Flickering between the DPMS is Enabled/Disabled occurs even if the screen is
unlocked
[14:42:03] Standby: 0 Suspend: 0 Off: 0; DPMS is Disabled;
...
[14:42:14] Standby: 0 Suspend: 0 Off: 0; DPMS is Disabled;
[14:42:15] Standby: 120 Suspend: 180 Off: 240; DPMS is Enabled; Monitor is On;
...

It would be really great if this could be fixed.

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