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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - amdgpu kernel 5.2 blank display after resume from suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111244#c22">Comment # 22</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - amdgpu kernel 5.2 blank display after resume from suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111244">bug 111244</a>
from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
<pre>(In reply to cspack from <a href="show_bug.cgi?id=111244#c21">comment #21</a>)
<span class="quote">> The default is -1 according to the docs and
> /sys/module/amdgpu/parameters/dc.</span >
What I meant is it's enabled by default for you, so amdgpu.dc=1 has no effect.
<span class="quote">> I assume it should effectively be the same but it seems to result in different
> behavior vs. setting it to 1.</span >
The different behaviour is just luck, which is why you had trouble bisecting
initially, not related to amdgpu.dc=1.</pre>
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