Module display 

Display detection and EDID parsing.

This module provides cross-platform detection of connected displays, including resolution, refresh rate, and monitor name/serial extraction from raw EDID blobs.

Platform Support

• Linux: Reads natively from /sys/class/drm (status, modes, and raw EDID bytes). Falls back to xrandr --current when no sysfs displays are found.
• macOS: Parses system_profiler SPDisplaysDataType output.
• Windows: Calls EnumDisplayDevicesW + EnumDisplaySettingsW via user32.dll FFI.

Functions

detect_displays

Detect connected displays and return a list of human-readable strings describing each display (name, resolution, and refresh rate).

format_refresh_rate

Format a refresh rate value for display.

get_monitor_name_for_port

Look up the monitor name for a given DRM connector port name by reading the EDID from sysfs (/sys/class/drm/<entry>/edid).

parse_monitor_name_from_edid

Parse the monitor’s human-readable name from a raw EDID binary blob.

parse_refresh_rate_from_edid

Parse the refresh rate (in Hz) from the first Detailed Timing Descriptor (DTD) block in a raw EDID binary blob.

parse_serial_number_from_edid

Parse the serial number from a raw EDID binary blob.

parse_xrandr_displays

Parse connected display information from xrandr --current output.