[Bug 107266] Radeon Pro Duo (Polaris) - ring sdma0 timeout

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107266

--- Comment #5 from robert <rhlug at hotmail.com> ---
So I stripped this down, and the ring error pops up after I've applied a new
pp_table and start utilizing the GPU. 

My guess is this error has something to do with why this doesnt work in
drm-next-4.19-wip

[    2.635258] amdgpu: [powerplay] Failed to retrieve minimum clocks.
[    2.635259] amdgpu: [powerplay] Error in phm_get_clock_info 

That error is not present when I load 4.17.0-rc2-180424-fkxamd kernel.

I apply same pp_table file while running 4.17.0-rc2-180424-fkxamd, and it works
as expected.

So there is something funky in the powerplay of drm-next-4.19-wip

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