intel_infoframes
view and change HDMI InfoFrames sent by the GPU
TLDR
View HDMI infoframes
$ sudo intel_infoframes
Display help with field descriptions$ intel_infoframes --help
SYNOPSIS
intel_infoframes [options]
DESCRIPTION
intel_infoframes is a debugging tool that views and changes the HDMI InfoFrames sent by the GPU. InfoFrames carry metadata about video format, audio, and other display parameters.Descriptions of the InfoFrame fields can be found in the HDMI and CEA-861 specifications. Not all HDMI monitors respect the InfoFrames sent to them. In some cases (e.g., when changing modes) the Kernel will undo the changes made by this tool.
PARAMETERS
-h, --help
Display help information and field descriptions.
INSTALL
sudo apt install intel-gpu-tools
sudo pacman -S intel-gpu-tools
sudo zypper install intel-gpu-tools
nix profile install nixpkgs#intel-gpu-tools
CAVEATS
Intel graphics only (GEN 4 or newer). Requires active display. Part of intel-gpu-tools (igt-gpu-tools).
HISTORY
intel_infoframes is part of intel-gpu-tools, created for debugging digital display connections on Intel graphics.
SEE ALSO
intel_panel_fitter(1), intel_reg_read(1), xrandr(1)