Apocrypha

ddcutil

Program for querying and changing monitor settings

ddcutil primarily uses DDC/CI (Display Data Channel Command Interface) to communicate with monitors implementing MCCS (Monitor Control Command Set) over I2C. Normally, the video driver for the monitor exposes the I2C channel as devices named /dev/i2c-n. Alternatively, there is initial support for monitors (such as Apple displays) that implement MCCS using a USB connection.

Available in

OverlayNewestEbuildsLast activity
gentoo gitweb ↗ 2.2.6 7 13 h details ›
ambasta GitHub ↗ 2.2.1 1 10 d details ›

Versions & arches

VersionOverlay amd64arm64x86ppc64riscvarmloongppcsparc Committed
2.2.6 gentoo amd64 stable arm64 stable x86 stable ppc64 stable riscv testing arm stable loong testing ppc testing sparc testing view · download · history ↗
2.2.5-r1 gentoo amd64 testing arm64 testing x86 testing ppc64 testing riscv testing arm testing loong testing ppc testing sparc testing view · download · history ↗
2.2.5 gentoo amd64 testing arm64 testing x86 testing ppc64 testing riscv testing arm testing loong testing ppc testing sparc testing view · download · history ↗
2.2.1 ambasta amd64 stable arm64 stable x86 stable ppc64 stable riscv testing arm stable loong testing ppc testing sparc testing 12 mo view · download · history ↗
2.2.0 gentoo amd64 stable arm64 stable x86 stable ppc64 stable riscv testing arm stable loong testing ppc testing sparc testing view · download · history ↗
2.1.4 gentoo amd64 stable arm64 stable x86 stable ppc64 stable riscv testing arm stable loong testing ppc testing sparc testing view · download · history ↗
1.4.5 gentoo amd64 testing arm64 testing x86 testing ppc64 testing riscv testing arm testing loong testing ppc untested sparc untested view · download · history ↗
1.3.0 gentoo amd64 stable arm64 stable x86 stable ppc64 stable riscv testing arm stable loong testing ppc untested sparc untested view · download · history ↗

Use flags of 2.2.6

  • usb-monitor Adds support for monitors attached via USB.
  • user-permissions Adds a udev rules to allow non-root users in the i2c group to access the /dev/i2c-* devices. If usb-monitor is selected, users will need to be added to the video group to access the USB monitor. Otherwise, only root will be able to use ddcutil.
  • video_cards_nvidia
  • X Add support for X11

Runtime dependencies of 2.2.6

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