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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - vega56 undervolting/overclocking voltage issues"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109887#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - vega56 undervolting/overclocking voltage issues"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109887">bug 109887</a>
from <span class="vcard"><a class="email" href="mailto:asheldon55@gmail.com" title="Andrew Sheldon <asheldon55@gmail.com>"> <span class="fn">Andrew Sheldon</span></a>
</span></b>
<pre>I also can confirm the problem, and it seems to have gotten worse since
5.3.0-rcX.
In past kernels, you could kind of work around it by setting slightly less
conservative undervolts and it would work. If you go past a certain point (a
point that works fine if the pp table is overridden), it would wrap around to
1.2V. For reference this around 950mv at state 6/7.
Now with 5.3, even that same relatively conservative undervolt would
immediately jump to 1.2V under load.
As hagar-dunor suggested, manually overriding the entire PP table, works around
the problem.</pre>
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