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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Screen flickering under amdgpu-experimental [buggy auto power profile]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102646#c69">Comment # 69</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Screen flickering under amdgpu-experimental [buggy auto power profile]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102646">bug 102646</a>
from <span class="vcard"><a class="email" href="mailto:brotwurst85@googlemail.com" title="Bastian <brotwurst85@googlemail.com>"> <span class="fn">Bastian</span></a>
</span></b>
<pre>Distro/Kernel: Ubuntu 18.04.2/5.0.2
GPU AMD: Readon RX570 - Mesa 19.0
Display: Iiyama G23530HSU 75hz
Desktop: Gnome
video: <a href="https://www.youtube.com/watch?v=gNJ2kJ8hsHA">https://www.youtube.com/watch?v=gNJ2kJ8hsHA</a>
Have the same problem as the op. The problems started with the 4.20 Kernels.
Had not this problem with 4.19 LTS Kernels. The flickering doesn't appear on
wayland if I choose only 60hz. On xorg it is irrelevant how much hz I use, it
flickers regardless.
sudo -i
echo "manual" > /sys/class/drm/card0/device/power_dpm_force_performance_level
echo "2" > /sys/class/drm/card0/device/pp_dpm_mclk
Fixes the flickering.</pre>
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