https://bugs.kde.org/show_bug.cgi?id=496631
--- Comment #13 from Evert Vorster <evors...@protonmail.com> ---
Thanks for looking into this. Unfortunately, it looks like it will need more
investigation.
I tested with
> KWIN_DRM_PREFER_COLOR_DEPTH=24
in /etc/environment and rebooted.
No change in behavior when the monitor is at 120Hz. ie: It does to sleep, and
on wakeup I have exactly the same simptoms as before.
With
> POWERDEVIL_NO_DDCUTIL=1
The sypmtoms are exactly the same too.
So, let's dig.
[code]
[evert@Evert ~]$ ddcutil detect
Invalid display
I2C bus: /dev/i2c-7
DRM connector: card1-eDP-1
EDID synopsis:
Mfg id: BOE - BOE
Model: NE173QHM-NZ2
Product code: 2921 (0x0b69)
Serial number:
Binary serial number: 0 (0x00000000)
Manufacture year: 2022, Week: 24
This is a laptop display. Laptop displays do not support DDC/CI
Invalid display
I2C bus: /dev/i2c-17
DRM connector: card0-HDMI-A-1
EDID synopsis:
Mfg id: BNQ - UNK
Model: BenQ EX3210U
Product code: 32678 (0x7fa6)
Serial number: ETW5N05026SL0
Binary serial number: 16843009 (0x01010101)
Manufacture year: 2022, Week: 21
DDC communication failed. (getvcp of feature x10 returned Error_Info[EIO in
ddc_write_read_with_retry, causes: EIO])
[/code]
This is with > POWERDEVIL_NO_DDCUTIL=1 still active. I'll remove it, and
re-test with this command.
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