Re: [PATCH 0/5] Fix deadlock on runtime suspend in DRM drivers

Lukas Wunner
2018-02-12T03:39:47Z

On Mon, Feb 12, 2018 at 12:35:51AM +0000, Mike Lothian wrote:
> I've not been able to reproduce the original problem you're trying to
> solve on amdgpu thats with or without your patch set and the above
> "trigger" too
>
> Is anything else required to trigger it, I started multiple DRI_PRIME
> glxgears, in parallel, serial waiting the 12 seconds and serial within
> the 12 seconds and I couldn't reproduce it

The discrete GPU needs to runtime suspend, that's the trigger,
so no DRI_PRIME executables should be running. Just let it
autosuspend after boot. Do you see "waiting 12 sec" messages
in dmesg? If not it's not autosuspending.

Thanks,

Lukas
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