[Bug 101314] [DP] [SKL] [BDW] Auido process is lost after hotplug event through MST dongle

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101314

--- Comment #9 from Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com> ---
(In reply to Ricardo Madrigal from comment #7)
> This issue is happening in BDW too:
> This is my configuration 
> --------------------------------------------------
> ======================================
>              Hardware
> ======================================
> platform                   : BDW
> motherboard id             : NUC5i7RYB
> form factor                : Desktop
> cpu family                 : Core i7
> cpu family id              : 6
> cpu information            : Intel(R) Core(TM) i7-5557U CPU @ 3.10GHz
> gpu card                   : Intel Corporation Iris Graphics 6100 (rev 09)
> (prog-if 00 [VGA controller])
> memory ram                 : 15.58 GB
> max memory ram             : 16 GB
> display resolution         : 1600x900
> cpu thread                 : 4
> cpu core                   : 2
> cpu model                  : 61
> cpu stepping               : 4
> socket                     : Socket BGA1168
> signature                  : Type 0, Family 6, Model 61, Stepping 4
> hard drive                 : 111GiB (120GB)
> current cd clock frequency : 337500 kHz
> maximum cd clock frequency : 540000 kHz
> displays connected         : DP-2
> 
> ======================================
>              Software
> ======================================
> kernel version              : 4.12.0-rc3-drm-tip-ww22-commit-187376e+
> architecture                : x86_64
> os version                  : Ubuntu 17.04
> os codename                 : zesty
> kernel driver               : i915
> bios revision               : 5.6
> bios release date           : 05/11/2017
> 
> 
> ======================================
>               Kernel 
> ======================================
> commit:  187376e

Can you please respond to Keqiao's comment about video being lost too? Does the
display come back after plugging the display?

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