Blank screen after wakeup from sleep until backlight turns off
Not sure whether this is an issue with Nvidia, KDE Powerdevil, or some combination of the two, but after waking up my laptop the screen remains blank. Everything's running properly in the background. I can hear sounds when I plug and unplug my AC adapter, and notifications for stuff like Discord and Slack can be heard.
What I've discovered is that in order for there to be a display output again, my backlight for the laptop has to turn off, and then any activity like moving the mouse or typing will turn the screen back on again and I get a display. AFAIK looking at the journal logs Nvidia's suspend and wake activities are working properly, and what's getting things fixed is the
DDCA_EVENT_DPMS_AWAKE event for org_kde_powerdevil and it redetecting all the displays. Relevant journal logs attached and my device info can be found at (https://paste.centos.org/view/81499be1)0 Replies