[Bug 97055] Black screens on A10-8780P (Carrizo) + R7 M260/M265 (Topaz) Combo

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97055

--- Comment #8 from Tom <tom.vycital at gmail.com> ---
> Not insane enough yet to try a binary kernel, ever, even from a more
> reputable source than some site in a language I don't even understand.

Okay, understand that. I tried to find it on some reliable site but they just
delete old packages without anything like ALA. Maybe 4.5rc6 vanilla kernel
would work but I'm not sure whether they used some patches etc. BTW the page is
in English (and other languages), there's a flag in the top right corner to
change language.

> I don't understand what this means.  Do you let it sit in the bootloader for
> 2 minutes, or what?

Yeah, I have 2 minute timeout in bootloader and wait. Then it works.

> The official kernels are stable for me, once the display comes up and stays
> up for more than a minute.  Most of the time, this involves doing a quick
> boot with power management enabled, starting X, then rebooting normally,
> with power management disabled.  Sometimes this does not work, which doesn't
> surprise me, since this is basically just blindly throwing shit at the wall
> until something sticks.

The magical kernel just works without reboot cycles, changing parameters etc.
It doesn't need any user interaction.

> In related news, 4.8-rc1 still doesn't work.  Actually, it's worse, in that
> X won't start at all (something about unable to schedule ib on the TOPAZ). 
> I'm pretty sure that's a different issue, though, so I won't elaborate (or
> report, until this bug is fixed first).

Same here.

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