https://bugs.kde.org/show_bug.cgi?id=492319
fabian+...@blaese.de changed:
What |Removed |Added
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CC| |fabian+...@blaese.de
--- Comment #1 from fabian+...@blaese.de ---
I am observing similar problems with stutter.
To me, it looks like this problem is caused solely by the high VRAM
consumption, and (possibly) the resulting usage of GTT memory: With multiple
monitors connected to my 7840U Laptop, I am observing the stutter regardless of
kwins triple buffering settings. Connecting multiple external monitors causes
VRAM usage to pretty much always get beyond the 512 MiB of VRAM the firmware of
my Laptop has allocated, even with only a few open applications.
I can work around this issue by enabling a gaming option in the UEFI of the
laptop, so 4 GiB of VRAM are reserved. In this case, the stutter is not
observable, even with triple buffering enabled.
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