https://bugs.kde.org/show_bug.cgi?id=460329
--- Comment #7 from dfo...@gmail.com --- (In reply to wokim from comment #6) > (In reply to dfodre from comment #5) > > (In reply to Ash from comment #2) > > > (In reply to Bug Janitor Service from comment #1) > > > > Thank you for the bug report! > > > > > > > > Please note that Plasma 5.25.5 is not supported for much longer by KDE; > > > > supported versions are 5.24, and 5.26 or newer. > > > > > > > > If at all possible please upgrade to a supported version and verify > > > > that the > > > > bug is still happening there. > > > > > > I will try out 5.26 soon. I had tried 5.25.5 last week alongside my GNOME > > > install of EndeavourOS before the new release to see if the issue had > > > resolved since earlier versions. I may add Plasma alongside my current > > > install again. If a fresh install is recommended I may make a fresh > > > install > > > or resize my main partition, as I don't want to nuke my main install. I > > > could also try a different distro to test further. > > > > I think I found a correlation. Games that limit their framerates (for > > example, Sonic Frontiers or NFS Hot Pursuit Remastered being engine locked > > to 60fps) somehow make the display's refresh rate vary. Severity depends on > > the game, varies between a hitch every second to constant variation in > > display refresh rate. Locking the display's refresh rate to 60 for these > > games fixes the issue, but it's tedious. > > > > I am using Arch Linux, Mesa RADV driver version 22.3.2-3 on an RX 5700, KDE > > Plasma 5.26.5. This happens both on Wayland and X11. VRR is set to > > automatically apply on Wayland. > > > > Not only does this cause display brightness flicker, but also extremely > > uneven frame pacing. > > Have you tried forcing the shader and memory clocks to be constant? E.g. by > doing as root: `echo profile_standard > > /sys/class/drm/card0/device/power_dpm_force_performance_level`. You could > also try `profile_peak` for max clocks. It seems that the dynamic reclocking > (to save power) causes uneven frame delivery, which causes (brightness) > flickering and stuttering with VRR. Both profile_standard and profile_peak fix the issue for me. I have a 6950XT, so that means idle power consumption of 90W and 220W respectively, according to `sensors` and `radeon-profile`. That's a lot of power, even with profile_standard. Ideally, power management should be solved somehow so that I don't waste power on the desktop. -- You are receiving this mail because: You are watching all bug changes.
