radeon GL woes

[Stari Karp]

On Sat, 2017-02-18 at 12:15 -0700, Russell L. Carter wrote:
> So I've run into the radeon problem on xorg upgrade, running
> mpv gives the
> 
> libGL error: Version 7 or imageFromFds image extension not found
> libGL error: failed to load driver: r600
> 
> error.
> 
> Adding /usr/local/etc/X11/xorg.conf.d/dri.conf:
> 
> Section "Device"
>          Identifier "Radeon"
>          Driver "radeon"
>          Option "DRI" "2"
> EndSection
> 
> has no effect.  Nor does setting Option "DRI" "3"
> 
> I am running without an xorg file, it has up till now
> run great.
> 
> I've reinstalled everything that I can think of, I build
> via poudriere, and I got rid of the llvm37 and llvm38 that
> were lurking on this system.
> 
> Any ideas?
> 
> Thanks,
> Russell
The above settings work on my system.
My graphics card:
vendor='Advanced Micro Devices, Inc. [AMD/ATI]
device="RV770/MP8L
[Mobility Radeon HD 4850}'