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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106175#c88">Comment # 88</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106175">bug 106175</a>
from <span class="vcard"><a class="email" href="mailto:tempel.julian@gmail.com" title="tempel.julian@gmail.com">tempel.julian@gmail.com</a>
</span></b>
<pre>Well, there's no compositor to blame, as the issue also occurs with just
TearFree enabled without any compositor. Then you just have to avoid moving
another window on top of the browser window, as there are no independent window
layers without compositor.
But yes, there are red spikes of the "inter-frame (green/red) right scale" with
amdgpu.dc=1, while there are non with amdgpu.dc=0 (TearFree however doesn't
work well in general without amdgpu.dc=1).
I can also reproduce the issue with mpv playing a video, instead of a
webrowser. It stutters the same when doing the "clicky window moving" described
above.
Attaching recent dmesg and xorg log.</pre>
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