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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [amdgpu] Switching to tty fails with DisplayPort 1.2 monitor going to sleep (REG_WAIT timeout / dce110_stream_encoder_dp_blank)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107978#c28">Comment # 28</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [amdgpu] Switching to tty fails with DisplayPort 1.2 monitor going to sleep (REG_WAIT timeout / dce110_stream_encoder_dp_blank)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107978">bug 107978</a>
from <span class="vcard"><a class="email" href="mailto:shtetldik@gmail.com" title="Shmerl <shtetldik@gmail.com>"> <span class="fn">Shmerl</span></a>
</span></b>
<pre>Not sure if it's related, but with 4.20.0-rc6 the regression when monitor goes
to sleep before reaching sddm is back. It's erratic, i.e. doesn't happen on
every boot. And I do see this REG_WAIT in dmesg when it does.
Turning monitor off and on, then going to tty and restarting sddm works around
it.
Similar bug was fixed in the previous kernels, so I wonder if the fix for this
one somehow brought that issue back.
GPU: Sapphire Pulse Vega 56.</pre>
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