[Nouveau] nv4c broken after october (approx.)

[Dzianis Kahanovich]

Xavier Chantry wrote:

>> After october I got broken image on my integrated nv4c chip (are you need
>> precise model?). I don't know precise time points, but now known: in Gentoo
...
> This is the third report I see today.. for a patch 3-4 months old. At
> least according to wilder on IRC.
> 
> http://cgit.freedesktop.org/nouveau/xf86-video-nouveau/commit/?id=c88f13e25b0040c1dd0f93e0ac40f62a6005ce59

Thanx! I reverse this patch and return to accelerated...

> 17:44   curro >> wilder: do you get the same corruption with a
> 1024x768 framebuffer?
> 
> So what's your resolution and can you try to force 1024x768, as
> explained there :
> http://nouveau.freedesktop.org/wiki/KernelModeSetting

Not so trivial, becouse fb.ko (fbmem.c) module not listen for cmdline. But I use
harcoded into drm_fb_helper.c (this is faster then full rebuild to integrate
fb.ko). So, all combinations pairs - fb 1024x768,1280x1024 and xorg.conf
1024x768,1280x1024 make same corruption without patch rollback.

-- 
WBR, Dzianis Kahanovich AKA Denis Kaganovich, http://mahatma.bspu.unibel.by/