[Bug 86351] HDMI audio garbled output on Radeon R9 280X

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=86351

Tilman Sauerbeck <tilman at code-monkey.de> changed:

           What    |Removed                     |Added
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                 CC|                            |tilman at code-monkey.de

--- Comment #19 from Tilman Sauerbeck <tilman at code-monkey.de> ---
FWIW, the size of the alsa device's prealloc buffer does seem to influence the
magnitude of the problem on my Bonaire card.

I have been using the old default value of 64 for CONFIG_SND_HDA_PREALLOC_SIZE
on this non-pulseaudio system. Bumping the size up to 2048 reduces the amount
of noise a great deal.

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