Bug 107602

Summary: [CI][BAT] igt@pm_rpm@module-reload igt_pm-WARNING: Failed to enable audio runtime PM!
Product: DRI Reporter: Tomi Sarvela <tomi.p.sarvela>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED WORKSFORME QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: medium CC: intel-gfx-bugs
Version: DRI git   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard: ReadyForDev
i915 platform: ALL i915 features: power/runtime PM

Description Tomi Sarvela 2018-08-17 09:21:56 UTC 
IGT test change comes with new warning on igt@pm_rpm@module-reload:

(pm_rpm:4222) igt_pm-WARNING: Failed to enable audio runtime PM! (3)

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4605/fi-kbl-guc/igt@pm_rpm@module-reload.html
Comment 1 Chris Wilson 2018-08-17 09:27:07 UTC 
The hope is

commit 38a44003774e35c587c67c8766b35e75dbb993b8 (upstream/master, origin/master, origin/HEAD)
Author: Chris Wilson <chris@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@chris-wilson.co.uk>
    Cc: Imre Deak <imre.deak@intel.com>
    Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
    Reviewed-by: Imre Deak <imre.deak@intel.com>

or else we need to be even more determined with our polling.
Comment 2 Chris Wilson 2018-09-06 08:19:43 UTC 
Timeout increased and warning is now suppressed.

commit 4fea665b29622baf1692e7f949fcfb8ed993fa36
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Aug 31 14:56:48 2018 +0100

    lib/pm: Squelch warning for failing to enable audio powermanagement
Comment 3 Martin Peres 2018-09-07 15:39:54 UTC 
(In reply to Chris Wilson from comment #2)
> Timeout increased and warning is now suppressed.
> 
> commit 4fea665b29622baf1692e7f949fcfb8ed993fa36
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date:   Fri Aug 31 14:56:48 2018 +0100
> 
>     lib/pm: Squelch warning for failing to enable audio powermanagement

Thanks, that fixed it!

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