[Bug 111214] [CI][BAT] igt at i915_module_load@reload - timeout - Unable to sync register 0x2f8100

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111214

--- Comment #5 from Stanislav Lisovskiy <stanislav.lisovskiy at intel.com> ---
The issue is indeed related to power management and suspend/resume logic. 

I could reproduce it with suspending/resuming the machine, azx_response_timeout
can be reproduced easily by enabling codec while disabling correspondent power
domain. I also discovered that at least in Ubuntu if I have DP audio device
available before suspend, then after suspend it disappears. 

There seems to be some issue/mismatch in
intel_audio_codec_enable/intel_audio_codec_disable calls. I'm now also
investigating it - to check which issues we might need to fix from GFX side.

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