Earlier quoted context omitted.
SGX was used by video DRM on intel platforms. As SGX no longer exists in modern intel processors, its not really doable anymore. netflix drm and the like are probably done on gpu, not on cpu (but I could be wrong) It's actually impossible to have a "legal"/commercial 4k bluray setup today on modern PCs/CPUs, as they will only license it to players that can use SGX and as noted SGX no longer exists. (of course this do…
The protected video path for Intel integrated GPUs involves the ME.
my guess is that its not used by the ARC dGPUs which have their own equivalent for it? But I guess it makes sense to use it for iGPUs.
With that said, seems sketchy to send untrusted data to the ME which is essentially an independent computer, running an independent OS with the ability to have persistent state. Seems like a security failure waiting to happen.