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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU runtime suspend broken since 4.17"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106957#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU runtime suspend broken since 4.17"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106957">bug 106957</a>
from <span class="vcard"><a class="email" href="mailto:lukas@wunner.de" title="Lukas Wunner <lukas@wunner.de>"> <span class="fn">Lukas Wunner</span></a>
</span></b>
<pre>I'm having a déjà vu here :-)
[ 7.840122] snd_hda_intel 0000:02:00.1: azx_runtime_idle:
!power_save_controller = 0, !azx_has_pm_runtime(chip) = 0,
azx_bus(chip)->codec_powered = 0x1, !chip->running = 0
The single codec on this HDA controller is considered powered on, hence the HDA
controller refuses to runtime suspend. Same problem as in #106597.
What does the following show:
grep . /sys/bus/hdaudio/devices/hdaudioC1D0/widgets/*/power_caps
And could you try this debug patch (in lieu of the other one) to narrow down
the root cause further:
<a href="https://bugs.freedesktop.org/attachment.cgi?id=139735&action=edit">https://bugs.freedesktop.org/attachment.cgi?id=139735&action=edit</a>
Thanks!</pre>
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