[Bug 101583] New: intel NUC6CAYH no HDMI audio output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101583

            Bug ID: 101583
           Summary: intel NUC6CAYH no HDMI audio output
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: admin at kuta.bid
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Affected : intel NUC6CAYH

Expected behavior :
HDMI audio output to TV.

Observed behavior : 
Windows 10 : No HDMI audio output at all resolutions.
Xubuntu 17.04 (Kernel 4.10x) : No HDMI audio at any resolution.
Librelec 8.02 : No HDMI audio at any resolution.

Actions :
Updated BIOS to latest AYAPLCEL.86A.0038 (http://intel.ly/2t4MscK)
Updated Megachip HDMI Firmware to 1.66 via Windows only software
(http://intel.ly/2tI9kwH)

Repeat test observed behavior:
Windows 10 : HDMI audio output as expected at all resolutions.
Xubuntu 17.04 (Kernel 4.10x) : No HDMI audio at any resolution.
Librelec 8.02 : No HDMI audio at any resolution.

Reference:
MCDP28x0 DisplayPort1.2a-to-HDMI 2.0 Converter
http://www.megachips.com/products/displayport/MCDP28x0

...

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