[Bug 92827] Tonga: No Sound over HDMI with connected AV receiver

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92827

            Bug ID: 92827
           Summary: Tonga: No Sound over HDMI with connected AV receiver
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: winlux at gmail.com

Created attachment 119417
  --> https://bugs.freedesktop.org/attachment.cgi?id=119417&action=edit
cat /proc/asound/card1/eld#0.0

I'm using the new amdgpu driver on Linux 4.2 and 4.3 RC7 with my new Radeon R9
380.
I want to use my 5.1 receiver to get audio over HDMI, it works just fine under
Windows 8.1. Under Manjaro Linux, I have configured a standard FullHD output on
HDMI with 60 Hz – with my former Radeon HD 7770 using radeonsi this was the
rule to get audio (don't get me started on broken HDMI audio on radeonsi. With
Linux 4.0+ until now, I needed to use the 3.18 kernel to *not* see only
"unplugged" outputs in PulseAudio. See bug 90777.).
In fortunate distinction to radeonsi on Linux 4.0+, PulseAudio shows 2.0, 5.1
and 7.1 output over HDMI as plugged in and available. But I don't get any
output.
No HDMI audio output on Tonga using amdgpu on Linux 4.2 and 4.3 RC7.

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