[Bug 77677] HDMI audio on ati7750 choppy with ALSA multi-channel apps

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77677

--- Comment #25 from Andy Furniss <adf.lists at gmail.com> ---
(In reply to comment #20)

> I have tried disabling cpufreq on_demand and also forcing dpm auto/low/high,
> but there is no difference - I need load to make it work.

Been playing more - it seems to be CPU load that I need not GPU.

I can reproduce the issue playing audio without X started from fbcon.

make -j5 &>/dev/null on mesa from another fbcon will make the sound OK.

While I've got rid of cpufreq on_demand I haven't yet managed to stop
acpi_cpufreq loading, though of course it may be innocent - no issues with the
same setup with my 4890.

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