radeonhd and xorg issues on powerpc p5020 and G5

[luigi burdo]

hi michel, 
sorry for extra email.

about kernels i been test from 3.3 to 4. to lastest rc nothing change the situation still the same.
another thing, can be this issue generated because our kernel are ppc64 and the distros are ppc32?

thanks 
luigi

Inviato da iPad

> Il giorno 30 apr 2016, alle ore 09:20, Michel Dänzer <michel at daenzer.net> ha scritto:
> 
>> On 23.04.2016 02:06, luigi burdo wrote:
>> 
>> On Quad G5 with 2 video boards
>> if i set radeon.modeset=1  nouveau.modeset=1 Xorg -configure dont found
>> at all the video boards
>> if i set radeon.modeset=0  nouveau.modeset=1 Xorg -configure dont found
>> the nouveau board
>> if i set radeon.modeset=1  nouveau.modeset=0 Xorg -configure dont found
>> the radeon board
> 
> Xorg -configure has various known issues and shouldn't be used anymore.
> Xorg is normally able to automatically detect and use all GPUs in a
> system without any xorg.conf file.
> 
> 
>> if i set radeon.modeset=0  nouveau.modeset=0 no video working ... no tty
>> too ;-)
> 
> That disables both kernel drivers, which are required for fbcon and Xorg.
> 
> 
>> On P5020
>> last of my test is this machine with a  radeon hd 7770 core edition
>> if radeon drv is running the system run in softpipe mode and i face many
>> drm errors and fence issue.
>> i atteched the dmesg files.
> 
> Which kernel version are you testing? There were some fixes in 4.4/4.5
> which may help for the kernel driver issues, but note that the Mesa
> radeonsi driver for >= 7xxx Radeons still needs a lot of work to be
> usable on big endian systems.
> 
> 
> -- 
> Earthling Michel Dänzer               |               http://www.amd.com
> Libre software enthusiast             |             Mesa and X developer
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