[coreboot] Re: Status of Optimus work? Target laptops?

[Matt B]

>
> Further work is required to make it stable and cross-platform.
>
What is it that triggers the instability (freezing?)? Does it have to do
with the the nvidia drivers?
What do you mean by cross-platform? are there other laptops which might
benefit from it?

Sincerely,
-Matt

On Fri, Feb 28, 2020 at 3:35 PM Evgeny Zinoviev via coreboot <
coreboot@coreboot.org> wrote:

> > Is [1] the current, most recent work on supporting nvidia Optimus?
> Yes! Needs rebasing, though.
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[coreboot] Re: Status of Optimus work? Target laptops?

[Evgeny Zinoviev via coreboot]

Is [1] the current, most recent work on supporting nvidia Optimus?

Yes! Needs rebasing, though.
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[coreboot] Re: Status of Optimus work? Target laptops?

[Matt B]

Is [1] the current, most recent work on supporting nvidia Optimus?
It seems to be fairly complete (aside from some stability issues) and
frequently worked on.

-Matt

[1] https://review.coreboot.org/c/coreboot/+/28380

On Thu, Feb 20, 2020 at 2:28 PM Matt B  wrote:

> Hi,
>
> As I understand it, the only thing missing with regard to nvidia dGPUs on
> Coreboot are the ACPI calls to turn them on and off at run-time, which is
> what Optimus is. Things like DRI_PRIME and similar work just fine as long
> as the dGPU is running, even under nouveau.
>
> What is the current status of the work to get nvidia Optimus working? From
> what I gather there have been a couple of attempts and a recent restart,
> but I don't know what the current status of this work is.
>
> I have heard that some laptops currently have the option to switch the
> dGPU on or off at boot-time. For which ones does this work?
>
> If the work on Optimus is completed, what laptops are most likely to
> support it? My expectation is that turning the GPU on or off may be
> different for different laptops, even though the ACPI calls are the same,
> and so may not work everywhere.
>
> Thanks,
> -Matt
>
>
>
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