Release date: 12/12/2021

Variscite is pleased to inform about the new Debian Bullseye v2.1 release for its i.MX8M Mini modules.


Release: dart-mx8mm-debian-bullseye-v2.1


  • Filesystem:
    Debian Bullseye (11.0)
  • Linux kernel:
    Variscite 5.4-2.1.x-imx_var01 branch (based on FSL community branch 5.4-2.1.x-imx, which is based on NXP’s Linux 5.4.24_2.1.0 release and the Linux mainline kernel 5.4.142).
  • U-Boot:
    Variscite imx_v2020.04_5.4.24_2.1.0_var02 branch (based on NXP branch imx_v2020.04_5.4.24_2.1.0, which is based on U-Boot v2020.04).

Noteworthy updates:

Release 2.1

U-Boot updates:

  • imx8mm-var-som: Use default DDR4 QoS settings – This fixes USB performance issues

Linux kernel updates:

  • Updated to version 5.4.142
  • imx8_var_defconfig: add full docker support
  • Introduce support for pcal6408 (pcal6408 replaces tca6408 on DT8MCustomBoard rev. >= 2.1A)
  • Revert “Revert “gpio: pca953x: Disable PM routines””
  • Revert “MLK-14801 input: touch: ads7846: fix the pressure_max setting”
  • sn65dsi83: Add device tree property to swap LVDS Channel A/B
  • imx8mm-var-som: Disable usbotg1 hnp, srp, and adp
  • imx8mm-var-dart: Disable usbotg1 hnp, srp, and adp

Debian updates:

  • pulesaudio: Fix pulseaudio system-wide mode
  • systemd: set HandlePowerKey to ignore
  • freertos-variscite: Add initial support for imx8mm
  • deb: Add bluez-alsa 3.0.0 aligned to Dunfell release
  • bluez-alsa: ported bluez-alsa support from yocto-dunfell
  • weston_rootfs: Add libgpiod and libgpiod tools
  • imx8: libgbm1 updated to 20.3.4-1 required by latest weston update

External Information
Release notes