I upgraded from Ubuntu 20.04 to 22.04 and ever since my screen turns off after about 20 seconds of inactivity and turns right back on when I press a key or move the mouse. This doesn't happen if there's a video playing, so it likely has to be something intelligent like a screensaver. All settings in "Power" are turned off, "Screen blanking" set to never, etc. Is there anything else that I could have missed? This does not happen when I boot from an Ubuntu 22.04 USB image.
Or maybe someone could tell me what logs to check to find out what is causing this? I already checked dmesg and there's nothing shown there when it happens.
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