[Bug 108781] 4.19 Regression - Hawaii (R9 390) boot failure - Invalid PCC GPIO / invalid powerlevel state / Fatal error during GPU init

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108781

--- Comment #33 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to alex.vl from comment #31)
> Comment on attachment 142687 [details] [review]
> Patch to workaround FATAL issue on VCE2.0 ringtest initialization .
> 
> Note: Its just workaround .
> 
> I see 2 problems :
>  - Issue with HW initialization. ( why VCE2.0 ringtest not pass ) 
>  - Driver-cleanup issue : cause ( Memory manager not clean during takedown.)

Likely a duplicate of bug 108608.  Have you tried the patch there (also
mentioned in comment 22)?

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