[Nouveau] GM206 support?

[Andy Lutomirski]

On Tue, Mar 17, 2015 at 2:57 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> On Tue, Mar 17, 2015 at 5:52 PM, Andy Lutomirski <luto at amacapital.net> wrote:
>> On Fri, Feb 13, 2015 at 9:52 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
>>> On Fri, Feb 13, 2015 at 8:59 PM, Andy Lutomirski <luto at amacapital.net> wrote:
>>>> My new GTX 960 (GM206, I think) says:
>>>>
>>>> [   10.329351] nouveau ![  DEVICE][0000:09:00.0] unknown Maxwell chipset
>>>> [   10.329355] nouveau E[  DEVICE][0000:09:00.0] unknown chipset, 0x126010a1
>>>> [   10.329356] nouveau E[     DRM] failed to create 0x00000080, -22
>>>> [   10.330129] nouveau: probe of 0000:09:00.0 failed with error -22
>>>>
>>>> Hacking up nouveau so that it treats it like a GM204 doesn't work.
>>>
>>> What happens if you just drop the 0x126 next to the 0x124 in
>>> engine/device/gm100.c ?
>>>
>>>> Are there any near-term plans to support this card?
>>>
>>> I don't know of anyone with the hw... maybe Ben got one? If you're
>>> interested in helping, the kernel logs from the above experiment + an
>>> mmiotrace of the blob drivers (see
>>> https://wiki.ubuntu.com/X/MMIOTracing) + vbios (see
>>> http://nouveau.freedesktop.org/wiki/DumpingVideoBios/).
>>>
>>> I assume you're on a recent kernel? You need 3.19 for the GM204 stuff
>>> to work in the first place.
>>
>> Neither 3.19 nor 4.0-rcsomething works.
>>
>> I put an mmio trace (X startup and glxgears) and a vbios dump here:
>>
>> http://web.mit.edu/luto/www/GM206/
>
> Stefan sent proper patches to get nouveau going on his GM206, which
> will make it into the next 4.0-rc. Here is a tree that is destined
> towards drm-fixes:
>
> http://cgit.freedesktop.org/nouveau/linux-2.6/log/?h=linux-4.0
>
> Let us know if it makes the card work. (Definitely no acceleration
> without signed firmware for now though.)

The driver loads and seems to work.  The nouveau X driver doesn't load, though.

I tried to use the nvidia firmware:

$ ls -l /lib/firmware/nouveau/
total 380
-rw-r--r--. 1 root root 110188 Mar 17 15:29 nv84_vp
-rw-r--r--. 1 root root 110188 Mar 17 15:29 nv84_xuc00f
-rw-r--r--. 1 root root   6400 Mar 17 15:29 vuc-h264-0
-rw-r--r--. 1 root root   3072 Mar 17 15:29 vuc-mpeg12-0
-rw-r--r--. 1 root root   7424 Mar 17 15:29 vuc-mpeg4-0
-rw-r--r--. 1 root root   7424 Mar 17 15:29 vuc-mpeg4-1
-rw-r--r--. 1 root root   7424 Mar 17 15:29 vuc-vc1-0
-rw-r--r--. 1 root root   8448 Mar 17 15:29 vuc-vc1-1
-rw-r--r--. 1 root root   8448 Mar 17 15:29 vuc-vc1-2
-rw-r--r--. 1 root root   5632 Mar 17 15:29 vuc-vp3-h264-0
-rw-r--r--. 1 root root   2816 Mar 17 15:29 vuc-vp3-mpeg12-0
-rw-r--r--. 1 root root   7424 Mar 17 15:29 vuc-vp3-vc1-0
-rw-r--r--. 1 root root   8448 Mar 17 15:29 vuc-vp3-vc1-1
-rw-r--r--. 1 root root   8960 Mar 17 15:29 vuc-vp3-vc1-2
-rw-r--r--. 1 root root   6400 Mar 17 15:29 vuc-vp4-h264-0
-rw-r--r--. 1 root root   3072 Mar 17 15:29 vuc-vp4-mpeg12-0
-rw-r--r--. 1 root root   7424 Mar 17 15:29 vuc-vp4-mpeg4-0
-rw-r--r--. 1 root root   7424 Mar 17 15:29 vuc-vp4-mpeg4-1
-rw-r--r--. 1 root root   7424 Mar 17 15:29 vuc-vp4-vc1-0
-rw-r--r--. 1 root root   8448 Mar 17 15:29 vuc-vp4-vc1-1
-rw-r--r--. 1 root root   8448 Mar 17 15:29 vuc-vp4-vc1-2

with:

options nouveau config=NvGrUseFW=1

in my modprobe configuration, and that made no obvious difference,
even in the kernel logs.

--Andy