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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - slow switching to KD_GRAPHICS (KMS?)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92982#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - slow switching to KD_GRAPHICS (KMS?)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92982">bug 92982</a>
from <span class="vcard"><a class="email" href="mailto:royvandervegt@gmail.com" title="royvandervegt@gmail.com">royvandervegt@gmail.com</a>
</span></b>
<pre>It turns out the problems are caused by DPM. Without DPM (using radeon.dpm=0)
everything works as it should.
I have tried tweaking the DPM parameters using
<a href="https://wiki.archlinux.org/index.php/ATI#Dynamic_power_management">https://wiki.archlinux.org/index.php/ATI#Dynamic_power_management</a>, but changing
dpm_state to `performance` and power_dpm_force_performance_level to `high`
doesn't solve the issues (in fact, changing these parameters seems to have no
effect at all?).
Obviously disabling DPM isn't ideal, so it would be nice if there was a
workaround/fix.</pre>
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