[Nouveau] Problem with GTX 970 under Fedora 21

[Ilia Mirkin]

3.19 brings modesetting support for GM204 chips, but no acceleration.
What this means is that we can display things on the screen, but can't
use the GPU to perform any computation of any sort. This is a
perfectly usable experience, since you'll end up using the llvmpipe
driver for the light 3d-rendering required by gnome-shell and the
such, however it will be insufficent for any gaming.

On Mon, Jan 26, 2015 at 2:34 PM, super_7b <super_7b at yahoo.co.uk> wrote:
>
>
> On 26/01/15 20:11, Tobias Klausmann wrote:
>>
>>
>> On 25.01.2015 21:40, super_7b wrote:
>>>
>>> Hi,
>>>
>>> I took this issue to the Fedora forum initially, but no-one there has
>>> been able to offer any guidance, so I have decided to come to the
>>> nouveau community directly.
>>>
>>> I was running a KDE desktop under Fedora 21 successfully, including
>>> the ability to use a direct text login on an older card (GXT 560 Ti)
>>> with an entirely stock Fedora, fully updated.
>>>
>>> I simply replaced the old card with an Asus GTX 970 and re-booted.
>>>
>>> I run with the "rhgb quiet" option removed from grub2, so I can see
>>> all that happens up to the graphical login screen and I noticed that
>>> the re-boot was different at the point at which the screen changed
>>> from a basic (80x25 ?) text to a higher resolution (128X50 ?). This no
>>> longer happened and I got a simple blank screen.
>>>
>>> If I wait, the graphical boot screen eventually appears and I can
>>> login to KDE successfully and run my desktop apps as normal. If I
>>> switch consoles (e.g. Ctrl-Alt-F2) for a text login, I get a black
>>> screen.
>>>
>>> The last visible thing on my boot screen before the black is something
>>> like "fb: switching to nouveaufb from EFI VGA".
>>>
>>> When I looked at the dmesg output, lsmod and lshw, it appears that the
>>> nouveau driver does not correctly detect and initialise the GTX 970.
>>>
>>> Have I a configuration error, or is there something not working in
>>> nouveau?
>>>
>>> I attach logs from dmesg, lshw and lsmod and I can supply more data if
>>> needed.
>>>
>>> BR
>>>
>>> Mick
>>>
>>
>> Hi,
>> the 9xx series is rather new and is not supported by nouveau for now
>> (modesetting is in 3.19rcX imho). Concerning acceleration: Nvidia needs
>> to provide signed firmwares for those cards under a license appropriate
>> to include in an open source project, until that happens, there wont be
>> substantial improvements.
>>
>> Greetings
>> Tobias
>
>
>
> Hi Tobias,
>
> Thanks for the reply. Acceleration is not an issue, but no support for text
> mode is, 8^(.
>
> Does your remark about 3.19rcX refer to kernel 3.19? I just ran the Fedora
> updates and it has installed 3.18.3-201. If I need to wait for 3.19, I guess
> I need to be patient for a while longer.
>
> I am assuming that 3.19 will bring text support and basic graphics?
>
> BR
>
> Mick
>
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