[Nouveau] [patch] add nv50 voodoo

[Alexey Dobriyan]

On Sun, Mar 09, 2008 at 01:09:37AM +0100, Bernhard Kaindl wrote:
> On Sun, 9 Mar 2008, Alexey Dobriyan wrote:
> > 
> > Hi, this is from mmio-traces. After startx I see mouse cursor which
> > moves, background split into black and garbage areas. First area
> > consists of repeated pattern of something. Surrealistic picture, and
> > after several seconds box locks up hard, monitor turns off.
> > However much improvement against non-starting X. :-)
> 
> Great stuff!
> 
> BTW, does this change if you first start the blob and then only
> change Driver "nvidia" to "nouveau" in xorg.conf and start nouveau
> without rebooting first?

This doesn't help. :-(

> I ask because my nv84 was in a similar shape like you got it with
> the voodoo now (my nv84 had already a voodoo in nv50_graph.c), but
> when I started the blob before starting nouveau, it worked then :-)
> 
> What fixed this then completely so that I could start nouveau fresh
> from boot was this patch:
> 
> 	http://users.on.net/~darktama/nv84_ctxvals.patch

I wonder, how these were extracted? I took everything from big block of
0x2 writes upto first read from NV04_PTIMER_TIME_1 and it doesn't help.

And just for fun, garbled pictures at the top of screen are actually
Asus P5B-E full-screen logo seen at start of bootup.