[Nouveau] Nouveau on Ubuntu 20.04 LTS

[Ilia Mirkin]

On Fri, Oct 1, 2021 at 4:56 PM Jerry Geis <jerry.geis at gmail.com> wrote:
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> On Fri, Oct 1, 2021 at 4:48 PM Jerry Geis <jerry.geis at gmail.com> wrote:
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>> On Fri, Oct 1, 2021 at 4:41 PM Ilia Mirkin <imirkin at alum.mit.edu> wrote:
>>>
>>> On Fri, Oct 1, 2021 at 4:29 PM Jerry Geis <jerry.geis at gmail.com> wrote:
>>> > yes very weird on the sound. Using analog speakers at the moment
>>> > I got no test sound - and no video sound after getting nouveau to run correctly ????
>>> > I was playing analog audio before ?
>>> > Does nouveau only do HDMI audio ?
>>>
>>> nouveau only does HDMI(/DP) audio. A different driver will handle a
>>> built-in sound card (e.g. snd_hda_intel). You might want to reach out
>>> to your distro's support channels to better diagnose what's going on.
>>> Unlikely to have anything to do with nouveau. More likely that you had
>>> added "acpi=off" to hack around this. Or perhaps pci=nomsi for a
>>> broken audio adapter? Don't know. dmesg (not to mention google) will
>>> have the answers.
>>>
>>>   -ilia
>>
>>
>> Thanks - I switched monitors - using a 4K monitor with buildin sound.
>> Sound works now- great.  but the screen is not in 4K .
>> Does Nouveau not do 4K - 3840x2160?
>>
>> Thanks!
>>
>> Jerry
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> HA! I just dawned on my the OLD GT218 does not do 4K... The 4K display looks like a strched for some reason - I thought it would jus tbe the normal 1080p.
> Anyway - got it working - thanks to all the suggestions!

We enforce a max of 165mhz on those boards for HDMI (this is what the
HW is rated for). If you feel like forcing it, you can boot with
nouveau.hdmimhz=300 to allow the 4k resolution. Note that it's a
weaker GPU, and 4k will not be great on it anyways.

  -ilia