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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111987#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111987">bug 111987</a>
from <span class="vcard"><a class="email" href="mailto:witold.baryluk+freedesktop@gmail.com" title="Witold Baryluk <witold.baryluk+freedesktop@gmail.com>"> <span class="fn">Witold Baryluk</span></a>
</span></b>
<pre>Setting
echo high > power_dpm_force_performance_level
didn't help. It is set to high (verified by reading back from sysfs).
gpu_busy_percent is showing me 100 all the time, and sometimes jumps a little
lower, maybe 87, 95, then back to 100.
Despite all of this the GPU frequency is slowly and gradually dropping down,
until it reaches the lowest frequency and then jumps back to maximum.
It does look like a bug to me...</pre>
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