[Bug 101900] No HDMI HBR audio on Polaris (no TrueHD, no Atmos, no Neo:X, no HD Master audio)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101900

Frederik <frederik.vogelsang at gmail.com> changed:

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--- Comment #9 from Frederik <frederik.vogelsang at gmail.com> ---
I have the same issue on my Sapphire RX470. I am on the "amd-staging-drm-next"
tree and HD audio does not work at all. When playing back a Dolby TrueHD or
DTS-HD Master audio file I have also noise coming from my internal speakers
instead of the passthrough device.

After the noise comes up, HDMI audio dies completely on me. This means that
HDMI audio only works until a HD audio file is being sent to the passthrough
device.

I would like to help getting this fixed, as this is a blocker for Kodi users.
What logs are needed to get to the root of this issue? From Takashi Iwai's
comment on the Alsa bug it looks like this is not an Alsa issue.

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