[Bug 91880] Radeonsi on Grenada cards (r9 390) exceptionally unstable and poorly performing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91880

--- Comment #203 from iburnth3playb00k <kar_harris at hotmail.com> ---
(In reply to chris from comment #188)
> I suffered pretty much all of the issue listed in this thread for many weeks
> since upgrading to 3 1440p monitors.
> 
> I have an Club 3D R9 390 Royal Queen.
> 
> Comment #182 best describes the problem I faced and what I had to do to work
> around it.
> 
> I am happy to announce that kernel 4.16.7 has solved this issue for me.
> 
> My system has no more issues booting. KDE is stable. No flickering at all.
> Even when forcing power_dpm_force_performance_level to 'low'.
> 
> I'm running Gentoo with:
> mesa-18.1.0
> libdrm-2.4.91
> xf86-video-amdgpu-18.0.1
> xorg-drivers-1.19
> 
> kernel params include: radeon.cik_support=0 amdgpu.cik_support=1
> amdgpu.modeset=1 amdgpu.dc=1 amdgpu.dpm=1
> 
> If anyone needs more info please ask.

Im kinda new to linux and i have this problem.
Can you create a step by step guide to help me fix the problem?

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