Which of the Linux-borrowed kernel subsystems are dual license?

[cracauer@]

Can somebody remind me? Between the DRM drivers and the wifi drivers that we use with custom adaption layers one or both are originally dual-licensed (by Intel?), one or zero are GPL.

 

[Alain De Vos]

Doesn't some video-card & sound-card drivers contains some binary blobs.

 

[T-Aoki]

Can these be any help?

30. Acknowledgements section of nvidia proprietary driver 550.54.14

46.Acknowledgemets section of nvidia proprietary Linux driver 550.54.14

Note that x11/linux-nvidia-libs port installs includededlibraries only, and graphics/nvidia-drm*-kmod ports doesn't includes codes in graphics/drm*-kmod ports, thus additionally requires their distfiles to build.

 

[cracauer@]

Found this:

Sharing Dual-Licensed Drivers between Linux and FreeBSD

As a silicon vendor, allowing device driver source code to be shared between Linux, FreeBSD, and other operating systems brings several benefits, including a potentially increased market, and additional collaboration effort resulting in increased test coverage and bug fixes. Linux and FreeBSD...

forums.freebsd.org

So the DRM drivers are MIT licensed in the first place.

The wifi drivers are dual-license.