https://bugzilla.kernel.org/show_bug.cgi?id=204559
--- Comment #6 from Maxim Sheviakov (shoegaze@tutanota.com) --- Created attachment 284345 --> https://bugzilla.kernel.org/attachment.cgi?id=284345&action=edit dmesg -w with runpm=0 parameter
I have left my laptop with a video playing for about half an hour and it seems like no GPU-related warnings have been produced so far, only RTL8821CE spam. Seems like the root cause of the problem is somewhere in the runtime power management and/or GPU switching stuff as far as I can see.