[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

alex.vl at tut.by changed:

           What    |Removed                     |Added
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                 CC|                            |alex.vl at tut.by

--- Comment #34 from alex.vl at tut.by ---
(In reply to Alex Deucher from comment #33)
> (In reply to alex.vl from comment #31)
> > Comment on attachment 142687 [details] [review] [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)?

FYI : No success (applying patch
:https://patchwork.freedesktop.org/patch/259364/) ( seems isn't bug 108608 --
something else )

Notes My case is :  (HW config: CPU:FX-9590 ; MB:M5A99Fx pro r2.0 ;  GPU:R9 290
4G )
    kernel v linux-4.19.6: 
     - Boot normal till amdgpu module load
     - Then "black screen" 
     - after ~5..10 sec fallbacked to VESA mode.

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