[Bug 107602] [CI][BAT] igt at pm_rpm@module-reload igt_pm-WARNING: Failed to enable audio runtime PM!

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107602

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
The hope is

commit 38a44003774e35c587c67c8766b35e75dbb993b8 (upstream/master,
origin/master, origin/HEAD)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Aug 16 18:57:47 2018 +0100

    lib: Poll for snd_hda_intel discovery

    Loading the sounds modules is asynchronous with the sysfs device
    hierarchy being instantiated sometime after modprobe returns. As such
    while we are probing for the sound device, poll a few times to
    accommodate the async discovery.

    v2: closedir() after use

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Imre Deak <imre.deak at intel.com>
    Cc: Tvrtko Ursulin <tvrtko.ursulin at linux.intel.com>
    Reviewed-by: Imre Deak <imre.deak at intel.com>

or else we need to be even more determined with our polling.

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