Kernel behavior summary:
Ubuntu 4.4.0-59: HDMI audio works properly
Mainline 4.4 (any): i915 drm driver does not seem to support Skylake,
HDMI audio not enumerated
All of the below kernels exhibit the same problem: HDMI produces no sound
Mainline 4.5rc1
Mainline 4.5 final
Mainline 4.6 final
Mainline 4.7 final
Mainline 4.8 final
Ubuntu 4.8.0-34
Mainline 4.9 final
Mainline 4.10rc5
>From here, it's not clear to me how to bisect between the working kernel
and any of the not-working kernels without breaking the back-ported i915
driver along the way.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1657994
Title:
Regression: HDMI audio produces no sound (Skylake NUC)
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