Red-headed step child
And to add to pharma's well articulated response, I'll also say I'm using current drivers on my Optimus-enabled Gigabyte laptop with the Intel 630 iGPU + 1070MaxQ
Hell is frozen! After almost 30 years, nvidia open sourced their kernel driver(s)... open your champagnes guys, this is huuuuge thing!!!
Phoronix.com - NVIDIA Transitioning To Official, Open-Source Linux GPU Kernel Driver
Just the kernel module, totally crippled without both the firmware and user space half blob. Also not even remotely any plans to to send to into kernel upstream, and the usual CLA pill.Dang, I can't edit posts after some time...nevermind
Btw anyone know how to make Nvidia gpu scaling works 1:1?
So for example I'm rendering a game on 1920x1080. So it will be centered with black bars around it on my 3840x2160 display
Yep, straight from NVIDIA:Disable scaling? You may need to do this in your display settings too though.
That issue has been reported since the launch of rtx 3000 family iirc.Open Issues
Windows 10/11 Issues
- [NVIDIA Ampere GPU]: With the GPU connected to an HDMI 2.1 audio/video receiver, audio may drop out when playing back Dolby Atmos. 
A forum search on  indicates it was first reported as a driver issue in Jan. 2022. It may have had a different description or issue number in prior releases.That issue has been reported since the launch of rtx 3000 family iirc.
I wonder why Nvidia having trouble fixing it