Scatter/gather was introduced in 6.2 kernel and caused flickering
and various issues when running iGPU on Ryzen 7000-series CPUs.
This issue is not observed in kernel 6.6 or newer versions
so we can enable it for kernel 6.6 and newer versions.
Change condition to check actually used kernel version instead of which kernel version is the default.
Without this change, if a user changes the kernel version to a newer version, the kernel parameter will not actually be added.
630: starfive visionfive2: update kernel to 6.4.0 r=Mic92 a=NickCao
649: macbook-air-6: remove mba6x_bl kernel module r=Mic92 a=DanielSiepmann
650: apple/t2: init r=Mic92 a=networkException
652: build(deps): bump cachix/install-nix-action from 21 to 22 r=Mic92 a=dependabot[bot]
654: fixing iptsd not able to find DEVICE r=Mic92 a=buttergrillcorn
656: treewide: avoid alias usage for intel-vaapi-driver based on nixos version r=Mic92 a=lilyinstarlight
657: Added more blocked Nvidia kernel modules to fix the dGPU not being disabled r=Mic92 a=spacebanana420
Co-authored-by: Nick Cao <nickcao@nichi.co>
Co-authored-by: Daniel Siepmann <coding@daniel-siepmann.de>
Co-authored-by: kekrby <kekrby@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: buttergrillcorn <126628446+buttergrillcorn@users.noreply.github.com>
Co-authored-by: Lily Foster <lily@lily.flowers>
Co-authored-by: Space Banana <tomasbessa@protonmail.com>
The `-a` from exec sets the `$0` from the process. So `exec -a "$0"`
would set the name of the new process to `nvidia-offload` (the name of
the script), however this is causing issues with a few programs that try
to interpret `$0` in a special way. For example, see `wine`:
```
$ nvidia-offload /nix/store/zhv91s26gsrl1w8yn9800xd03a31r3wj-wine-osu-7.0/bin/wine .osu/drive_c/osu/osu\!.exe
/nix/store/zhv91s26gsrl1w8yn9800xd03a31r3wj-wine-osu-7.0/bin/nvidia-offload: could not open
```
What I think `wine` is doing here is trying to re-exec `wine` again, but
to do so it tries to figure out the original call of wine by readind `$0`,
and will fail in this case because the `$0` was changed because of the
`nvidia-offload` script using `-a` flag, as explained above.
Instead, let's simplify this. There is no good reason to rename the `$0`
from the script anyway (it just sets a few environment variables), so let's
just remove it. We may lose the ability to know if the command is being
offloaded, but I think having more commands to work is a good trade-off.
