black screen

[starikarp at dismail.de]

On Fri, 27 Dec 2019 14:57:58 -0500
ajtiM via freebsd-x11 <freebsd-x11 at freebsd.org> wrote:

> Hi!
> 
> The very old story about me and my iMac 11,1 27'' late 2009 with
> 'RV770/M98L [Mobility Radeon HD 4850]' wich I cannot use with no one
> kmod - black screen but on FreeBSD 11.2 was not a problem
> I am using scfb driver and hoping about better future :).
> I did surf today and I found:
> 
> https://forum.manjaro.org/t/main-monitor-of-imac-27-late-2009-not-working-output-redirected-to-external-monitor/110248
> 
> The last post from gianni from 29th november 2019 is interesting and
> maybe help me?
> 
> Thank you.

And what I found different from time when woks on my system and now:

The old which worked don't have (radeonkmsfw_RV770_me.ko and
radeonkmsfw_RV770_pfp.ko): 
U start_set_pcpu
U stop_set-pcpu

Everything other is the same.

-- 
“good people do not need laws to tell them to act responsibly, while
bad people will find a way around the laws” 

Plato