[Nouveau] [Bug 20006] powerpc64: Black screen using RandR12

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=20006





--- Comment #41 from Stuart Bennett <sb476 at cam.ac.uk>  2009-02-24 09:20:42 PST ---
(In reply to comment #39)
> Xorg log. Somewhat of a WTF moment here, DVI-I-1 apparently will drive the
> panel at 2560x1600 in non-randr12 mode. Thought this was supposed to be a
> single link DVI port...
> Good news: nouveau works on this port in randr12-mode, although only in
> 1920x1200 (as I would have had expected). Register dump non-randr12 follows.

Interesting, what resolution does OSX let you have on that connector (assuming
you've got OSX installed)?

You can allow dual-link modes on that connector in nouveau by editing
nv_output_mode_valid() in nv_output.c; a simple change being to replace the
MODE_CLOCK_HIGH after the (mode->Clock > 165000) test with MODE_OK, but I've no
idea whether that would work :-)


-- 
Configure bugmail: http://bugs.freedesktop.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.