[Bug 95306] Random Blank(black) screens on "Carrizo"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95306

--- Comment #69 from Tom <tom.vycital at gmail.com> ---
(In reply to Charly from comment #68)
> Hi,
> 
> I made a fresh install of Archlinux (GNU/Linux kernel 4.13.11) on a HP
> Probook 455 G3 with A10-8700p APU and 1x8GB RAM (no dedicated GPU) with the
> default driver (amdgpu open source driver): I experience the issue described
> by Andrew who opened the thread in May 2016. The black screen appears at a
> certain step of the boot. After a cycle of suspend?resune (usually 3 or 4)
> the display turns right and is stable (if no X session is started...) I can
> confirm the issue is not linked to X since it is not installed. The only
> messages for amdgpu in journalctl are 
> 
> amdgpu: [powerplay] min_core_set_clock not set
> 
> but amdgpu.powerplay=0 is not recognized any longer:
> 
> kernel: amdgpu: unknown parameter 'powerplay' ignored.
> 
> Any (new) idea ?
> 
> Can anybody explain what will kermels 4.14 and especially 4.15 will bring us
> (carrizo users)?

There seems to be no solution. I tried several params, combinations of various
things (some even led to quite serious file system corruption) but it had no
positive effect whatsoever. Playing with powerplay/dpm etc. just made my laptop
overheat a lot.

I had some luck with amdgpu-pro in 2016, but it was even less usable. It always
booted successfully but there was mostly pinkish garbage on the screen (±75%)
although I could see the desktop at some places (±25%) and therefore somewhat
use it (login and reboot). Not sure if it is better nowadays, I think it's
worth a try.

Since this issue is here at least since 4.4 I highly doubt 4.14 or 4.15 will
bring the solution.

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