An excerpt from dmesg...

====================================================
[    6.711151] [drm] Initialized i915 1.6.0 20201103 for 0000:00:02.0 on minor 0
[    6.718398] ACPI: video: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
[    6.719320] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input7
[    6.719538] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[    6.731052] i915 0000:00:02.0: firmware: failed to load i915/kbl_dmc_ver1_04.bin (-2)
[    6.731069] firmware_class: See https://wiki.debian.org/Firmware for information about missing firmware
[    6.731090] i915 0000:00:02.0: firmware: failed to load i915/kbl_dmc_ver1_04.bin (-2)
[    6.731099] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2
[    6.731108] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management.
====================================================

Am I missing any important features, and if so, what do I need to
install?

--
Walter Dnes <waltdnes@???>
There are 2 types of people in this world
1) Those who can extrapolate from incomplete data