[PREVIEW] Nouveau on FreeBSD

[Anonymous]

Robert Noland <rnoland at FreeBSD.org> writes:

> On Sat, 2009-03-21 at 09:12 +0300, Anonymous wrote:
>> Robert Noland <rnoland at FreeBSD.org> writes:
>> The module works fine but not very usable on my
>> 9600GT. One thing to note is that NoAccel works *slower* than without
>> nouveau.ko present at least on my box.
>
> That doesn't make any sense...  If the module isn't loaded, or X isn't
> attached to it nothing is changed.

Yep, I heard same answer from nouveau devs a while ago. But smth in
xf86-video-nouveau works differently when NoAccel explicitly set in
xorg.conf and module is present. For instance, here is a diff between
w/o module and module+NoAccel

@@ -170,17 +170,18 @@
 (II) NOUVEAU(0): Primary V_BIOS segment is: 0xc000
 (==) NOUVEAU(0): Write-combining range (0x0,0x1000) was already clear
 drmOpenDevice: node name is /dev/dri/card0
-drmOpenDevice: open result is -1, (No such file or directory)
-drmOpenDevice: open result is -1, (No such file or directory)
-drmOpenDevice: Open failed
+drmOpenDevice: open result is 8, (OK)
 drmOpenDevice: node name is /dev/dri/card0
-drmOpenDevice: open result is -1, (No such file or directory)
-drmOpenDevice: open result is -1, (No such file or directory)
-drmOpenDevice: Open failed
-[drm] failed to load kernel module "nouveau"
-(EE) [drm] drmOpen failed.
-(EE) NOUVEAU(0): [drm] error opening the drm
-(!!) NOUVEAU(0): Failing back to NoAccel mode
+drmOpenDevice: open result is 8, (OK)
+drmOpenByBusid: Searching for BusID pci:0000:01:00.0
+drmOpenDevice: node name is /dev/dri/card0
+drmOpenDevice: open result is 8, (OK)
+drmOpenByBusid: drmOpenMinor returns 8
+drmOpenByBusid: drmGetBusid reports pci:0000:01:00.0
+(II) [drm] DRM interface version 1.2
+(II) [drm] DRM open master succeeded.
+(II) NOUVEAU(0): [drm] nouveau interface version: 0.0.12
+(--) NOUVEAU(0): [drm] kernel modesetting not available
 (--) NOUVEAU(0): VESA-HACK: Console VGA mode is 0x3
 (II) NOUVEAU(0): Creating default Display subsection in Screen section
 	"Default Screen Section" for depth/fbbpp 24/32
@@ -193,8 +194,10 @@
 (II) Module vgahw: vendor="X.Org Foundation"
 	compiled for 1.6.99.1, module version = 0.1.0
 	ABI class: X.Org Video Driver, version 5.0
+(**) NOUVEAU(0): Option "NoAccel" "true"
 (==) NOUVEAU(0): Randr1.2 support enabled
 (==) NOUVEAU(0): Using HW cursor
+(**) NOUVEAU(0): Acceleration disabled
 (--) NOUVEAU(0): Linear framebuffer at 0xE0000000
 (--) NOUVEAU(0): MMIO registers at 0xF6000000
 (II) NOUVEAU(0): Initial CRTC_OWNER is 0
@@ -374,6 +377,9 @@
 	[3] -1	0	0x0000ffff - 0x0000ffff (0x1) IX[B]
 	[4] -1	0	0x00000000 - 0x000000ff (0x100) IX[B]
 (==) NOUVEAU(0): Write-combining range (0xa0000,0x10000) was already clear
+(II) NOUVEAU(0): Allocated 128MiB VRAM for framebuffer + offscreen pixmaps, at offset 0x20000000
+(II) NOUVEAU(0): AGPGART: 512MiB available
+(EE) NOUVEAU(0): Unable to allocate GART memory
 (==) NOUVEAU(0): Backing store disabled
 (==) NOUVEAU(0): Silken mouse enabled
 (II) NOUVEAU(0): NVEnterVT is called.
@@ -464,7 +470,7 @@
 (**) Mouse0: (accel) acceleration profile 0
 (II) Mouse0: SetupAuto: hw.iftype is 5, hw.model is 0
 (II) Mouse0: SetupAuto: protocol is SysMouse
-(WW) fcntl(8, F_SETOWN): Inappropriate ioctl for device
+(WW) fcntl(9, F_SETOWN): Inappropriate ioctl for device
 (**) Option "CoreKeyboard"
 (**) Keyboard0: always reports core events
 (**) Option "Protocol" "standard"

So, with module and NoAccel scrolling in xterm is awfully slow here
on 9600GT on

(II) NOUVEAU driver 0.0.10.20090318.3e7fa97

and I'm unable to unload nouveau.ko.

>
> I have NV50 working now, with EXA and Xv.
>
> robert.