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Re: Re: Power Mac G5: Attempting to get 2D acceleration with nouveau and 6800 Ultra



Hi Logan,

I was hoping that you would reply, i'm curious what your issue is with nouveau. I did see that you have placed a message on the nouveau mailing list, good stuff!

For others interested on the Debian PPC mailing list, i have copied the link to your message on the nouveau mailing list which you have included an xorg log.
Link Below:
http://lists.freedesktop.org/archives/nouveau/2016-January/023853.html

Looking at your xorg log, how many displays do you actually have connected? one or two displays?

[    25.454] (II) NOUVEAU(0): Output DVI-I-1 connected
[    25.454] (II) NOUVEAU(0): Output DVI-I-2 connected

According to your log, nouveau seems to believe you have two DVI ports occupied? Is this actually correct or has nouveau somehow gotten confused?

I have found this interesting page about the Geforce 6800 Ultra DDL. is this the model GPU used in your Powermac G5?
Link Below:
http://www.anandtech.com/show/1581/2

Maybe, just maybe, could the dual-link TMDS nouveau module option (which apparently is enabled by default), possibly be screwing around with the screen detection for some reason?

If possible, could you please try disabling the nouveau dual-link TMDS module parameter option and let me know what happens.

parm:           duallink:Allow dual-link TMDS (default: enabled) (int)

Looking at your all of your logs, it seems like nouveau should work, what i mentioned above could possibly be your last hurdle to ppc nouveau nirvana!

Please humour me!

Cheers,
Peter


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