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Nvidia: Runtime D3 power management is not enabled on laptops with Turing chipset #2050

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sferi opened this issue Dec 15, 2024 · 0 comments
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@sferi
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sferi commented Dec 15, 2024

Describe the bug

Runtime D3 power management is not enabled for Nvidia Turing GPUs after installation on laptops

What did you expect to happen?

After I ran ujust --choose and selected nvidia-optimus, nvidia.conf was created in folder /etc/modprode.d with the parameters:
options nvidia NV_reg.DynamicPowerManagement=0x02
However cat /proc/driver/nvidia/gpus/0000:01\00:0/power shows that runtime D3 power management is disabled by default

Output of bootc status

No staged image present
Current booted image: ghcr.io/ublue-os/bluefin-nvidia:stable
    Image version: 41.20241210.1 (2024-12-10 14:19:57 UTC)
    Image digest: sha256:f9439200059602de0f8cb5f02ec125f88d6bfeca322e8771dc0fa6489a75b5a4
Current rollback state is native ostree

Output of groups

ferencs wheel

Extra information or context

Added the following kernel arguments with rpm-ostree kargs --append:
nvidia.NVreg_EnableGpuFirmware=0
nvidia.NVreg_DynamicPowerManagement=0x02
And runtime D3 power management is enabled after reboot
As you know, Nvidia forces the open driver from Turing onwards, so we have to disable the gpu firmware to use the old driver that have power management capabilities.

@dosubot dosubot bot added the bug Something isn't working label Dec 15, 2024
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