[PREVIEW] Nouveau on FreeBSD (Take 2)

[Robert Noland]

On Mon, 2009-04-27 at 01:26 -0400, Adam McDougall wrote:
> Is there any chance of getting nouveau to work on a PCI 
> NV34 GeForce FX 5200? (not pci-e)  I actually don't really care 
> about 3d unless I can use it to improve normal "2d" activity,
> I'm just looking for an improved response above what the 
> nv driver gives me with XAA.  Its a little sluggish but 
> sufficient for day to day activities. 
> 
> When I try Option      "AccelMethod" "EXA" it runs with XAA
> anyway: (WW) NV(0): Option "AccelMethod" is not used.
> 
> When I try nouveau, it tells me:
> (EE) [drm] drmOpen failed.
> (EE) NOUVEAU(0): [drm] error opening the drm
> 
> I don't even know what drm I could try loading or if it 
> would help.

This should work I think... I only have NV40 and NV50 pcie cards to test
with though.  You need to apply the patch to your kernel tree and make
sure that libdrm and xf86-video-nouveau are up to date with latest
ports.

robert.

> vgapci0 at pci0:2:1:0:     class=0x030000 card=0x00000000 chip=0x032210de rev=0xa1 hdr=0x00
>     vendor     = 'Nvidia Corp'
>     device     = 'GeForce FX 5200 [NV34.3]'
>     class      = display
>     subclass   = VGA
> 
> Thanks for any advice, let me know if I can provide more information.
> 
> 
> On Sat, Mar 21, 2009 at 07:04:23PM -0500, Robert Noland wrote:
> 
>   Ok, this patch should work on NV50 chips also.
>   
>   What you get is EXA and Xv.
>   
>   You still need:
>   
>   A recent -CURRENT or -STABLE.
>   
>   git master of libdrm and xf86-video-nouveau.
>   
>   This patch.
>   
>   Things I've figured out since the last patch...
>   
>   On NV50 class hardware you need to have a compositing manager running
>   for Xv to work.  That means xcompmgr, metacity with composite enabled,
>   xfce (rumored to work as well, haven't tried).  If your running Gnome
>   with metacity, open gconf-editor and go to apps->metacity->general and
>   check the composite box.
>   
>   On NV40 class hardware, you don't need the composite manager.  In fact
>   (at least with Xserver 1.6 which I'm running now), if a composite
>   manager is enabled, I'm seeing high cpu utilization from Xorg under some
>   circumstances.  I don't think this is a drm issue, but still an issue.
>   For me, if I start a video using mplayer in an xterm, cpu is fine as
>   long as that xterm is the foreground window.  If it is not the
>   foreground window, even if it isn't obscured I see the cpu utilization.
>   Disabling the composite manager makes everything fine.
>   
>   http://people.freebsd.org/~rnoland/drm-nouveau-032109.patch
>   
>   robert.
>   
>   -- 
>   Robert Noland <rnoland at FreeBSD.org>
>   FreeBSD
> 
> 
-- 
Robert Noland <rnoland at FreeBSD.org>
FreeBSD
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