Comment # 30
on bug 111482
from Andrew Sheldon
(In reply to Shmerl from comment #29) > Which one exactly did you set it at? > > I have 2560x1440 / 144 Hz monitor (LG 27GL850) and Sapphire Pulse RX 5700 XT > (hardware switch set to higher performance BIOS) and in general I noticed a > similar thing. During normal idle KDE operation, power stays at around 32 W > or so. > > If I suspend and resume, power drops to 11 W and the monitor starts > flickering wildly. I tried to do: > > echo "low" > /sys/class/drm/card0/device/power_dpm_force_performance_level > > But that didn't really help with flickering. You may have to first set it to "high", then back to "low". It will also stop working once a fix that adds "smu->disable_uclk_switch = 0;" in amdgpu_smu.c filters down to the mainline kernels.
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