This year Intel HDCP support was merged into the mainline Linux kernel for those wanting to utilize this copy protection system in combination with a supported Linux user-space application, which for now appears to be limited to Chrome OS. HDCP 2.2 support is the latest revision now being worked on for the open-source Intel Direct Rendering Manager driver…

Source: Phoronix – HDCP 2.2 Support Updated For The Intel DRM Linux Driver