[Nouveau] [Bug 54700] Distorted graphics (double cursor) with GeForce 4200Go (NV28)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54700

--- Comment #64 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to comment #63)
> For the first two options I think it could be useful to grep through all
> those dumps collected over the years and check which cards have this set.

Yeah, I'll try to have a look later on.

> 
> Option 3 could definately tell if it's only used for a particular memory
> configuration of this chip, or it's more general (e.g. first 2 options).

I've fired off a question to NVIDIA, hopefully they'll respond. Sometimes they
respond ~immediately, other times it takes two months, but so far they haven't
dropped anything on the floor.

> 
> By the way I've checked again my earlier claim about being slower after
> suspend, and it's definately like that. Scrolling is more or less smooth
> (considering the age of hardware and the resolution used) after kexec-ing
> from nvidia to nouveau.
> 
> But after a suspend it's really "choppy" (same software still running,
> nothing was changed). The speed is similarly slow after a clean boot too, so
> it's not a suspend problem. Somewhere the handbrake needs to be released I
> guess...

Well, you may have just become the resident expert on NV2x cards. You have all
the tools we have, and you also have the hardware, which is very hard to come
by (a mobile NV2x). Poke around, let us know :) We hang out on #nouveau on
irc.freenode.net if you have any questions.

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