[Nouveau] Nouveau on GeForce GTX 980M

[Ilia Mirkin]

GM20x requires signed firmware from NVIDIA in order to operate
properly. They have released this firmware recently (available in
linux-firmware) as well as contributed a loader for it, available in
kernel 4.6-rc1. You will also need mesa 11.2 or later.

Note that there is no reclocking for maxwell (and it will probably
take even longer for GM20x due to the signing thing, as the released
firmware does not include a proper PMU), so you will not get
particularly good performance. On the bright side, nouveau should be
able to power the GPU off, which will improve your battery life.
Unless you're specifically looking to play with nouveau, you're
probably best off using your CPU's GPU for actual rendering.

Cheers,

  -ilia

On Tue, May 10, 2016 at 8:31 AM, Marius Gripsgård <mariogrip at ubuntu.com> wrote:
> Hi,
>
> I was wondering is it possible to can get my GeForce GTX 980M work with
> Nouveau. I see that the non "M" version if GTX 980 is supported
> (https://nouveau.freedesktop.org/wiki/CodeNames/) but not the "M" version,
> how different are they?
>
> Now it uses Gallium 0.4 on llvmpipe, from my understanding that's fallback
> using the cpu right?
>
>
> lshw -C video:
>
>   *-display UNCLAIMED
>        description: VGA compatible controller
>        product: GM204M [GeForce GTX 980M]
>        vendor: NVIDIA Corporation
>        physical id: 0
>        bus info: pci at 0000:01:00.0
>        version: a1
>        width: 64 bits
>        clock: 33MHz
>        capabilities: pm msi pciexpress vga_controller cap_list
>        configuration: latency=0
>        resources: memory:f6000000-f6ffffff memory:e0000000-efffffff
> memory:f0000000-f1ffffff ioport:e000(size=128) memory:f7000000-f707ffff
>
>
> Thanks,
> Marius Gripsgard
>
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