drivers/misc/mei/hdcp

Intel ME HDCP 2.2 Content Protection Client

A small helper that Intel integrated graphics use to talk to the on-chip Management Engine firmware so the system can authenticate HDCP 2.2 protected video links over HDMI and DisplayPort. It is what allows protected playback (streaming services, Blu-ray, etc.) to work on Intel laptops and desktops from roughly the 9th-generation Core era through current 2025 platforms.

keep conf=0.84 deploy=medium replacement=none subsystem=misc category=graphics-display
84%

recommendation

It should stay because this is the bridge that lets Intel integrated graphics negotiate HDCP 2.2 copy protection with the Management Engine firmware whenever a protected video stream is sent over HDMI or DisplayPort. Intel still ships HDCP 2.2 as a current feature on 2025 processors such as the Core 3 N-series, and the code received active maintenance as recently as January 2026, with no signs of deprecation.

repository signals

4 files
903 source lines
17 commits, 5y
+89 / −437 lines added / removed, 5y
12 authors, 5y
monthly commits · 2021-04-21 → 2026-04-21 · 17 total · active in 10/61 months
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sources

  1. docs.kernel.org

    Upstream kernel documentation describes mei_hdcp as the MEI HDCP 2.2 driver that brokers HDCP negotiation between Intel graphics and ME firmware.

  2. spinics.net

    A January 2026 patch series touched drivers/misc/mei/hdcp/Kconfig while decoupling ME interfaces from GPU driver build dependencies, indicating ongoing upstream maintenance rather than removal.

  3. spinics.net

    A January 2026 follow-up patch again updated drivers/misc/mei/hdcp/Kconfig for compile-test support, showing recent active attention.

  4. cateee.net

    LKDDb shows CONFIG_INTEL_MEI_HDCP has been continuously present from Linux 5.1 through current 7.0-rc HEAD builds as module mei_hdcp.

  5. intel.com

    Intel support documentation updated on October 21, 2025 still documents HDCP 2.2 as a current capability users may check on Intel processor-based systems.

  6. edc.intel.com

    An Intel public datasheet version dated January 7, 2025 says Intel Processor/Core 3 N-series supports HDCP 2.2 and 1.4 over HDMI and DisplayPort, showing the capability remains in new hardware.

codex reasoning notes (technical)

Local shell inspection of drivers/misc/mei/hdcp/mei_hdcp.c confirmed this is a real MEI client driver (module_mei_cl_driver, MODULE_DEVICE_TABLE) and git log shows substantive touches through 2026-01-16. URLs were obtained via web search: kernel docs for function/purpose, Spinics mirrors for 2026 patch traffic touching this directory, LKDDb for ongoing kernel presence, and Intel support/datasheet pages for 2025-era hardware support. I found active maintenance signals and no removal/deprecation discussion in the searches, so this should be kept.