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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - glmark2 random blank or background only screen freeze over amdgpu rx550 AMD POLARIS12 due to dpm"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101976#c13">Comment # 13</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - glmark2 random blank or background only screen freeze over amdgpu rx550 AMD POLARIS12 due to dpm"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101976">bug 101976</a>
from <span class="vcard"><a class="email" href="mailto:pablodav@gmail.com" title="Pablo Estigarribia <pablodav@gmail.com>"> <span class="fn">Pablo Estigarribia</span></a>
</span></b>
<pre>(In reply to Marcelo "Marc" Ranolfi from <a href="show_bug.cgi?id=101976#c12">comment #12</a>)
<span class="quote">> Kudos for your findings, Pablo Estigarribia.
>
> I made a workaround available in the form of setting DPM to "Low" on system
> start and calling a script when you need to set it to "High". They can be
> found at <a href="https://gitlab.com/snippets/1709853">https://gitlab.com/snippets/1709853</a> and
> <a href="https://gitlab.com/snippets/1709854">https://gitlab.com/snippets/1709854</a>.
>
> I'm against disabling DPM altogether from the kernel driver code. That'd be
> far from ideal.</span >
Thanks Marc!
Is great to have some feedback now.
After looking again into the files of the card0, I have noticed that dpm is
enabled by default! (I have been confused because the file changed its place).
Now it is here:
cat /sys/class/drm/card0/power/control
auto
uname -a
Linux powers11 4.16.1-300.fc28.x86_64 #1 SMP Mon Apr 9 15:29:05 UTC 2018 x86_64
x86_64 x86_64 GNU/Linux
Also their outpus have same files:
/sys/class/drm/card0/
card0-DP-1/ card0-HDMI-A-1/ device/ subsystem/
card0-DVI-D-1/ dev power/ uevent
So it is really fixed for fedora 28!! (kernel 4.16.x)
I have been using this for weeks and not noticed this bug!
Also tested glmark2 and some game just to see if something crashes.</pre>
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