|UDL(4)||Device Drivers Manual||UDL(4)|
udl — DisplayLink
DL-120 / DL-160 USB display devices
udl* at uhub?
wsdisplay* at udl?
udl driver supports USB display
devices based on the DisplayLink DL-120 / DL-160 graphic chip.
The following devices should work:
The device can process compressed data (Huffman pixel difference method) to reduce the USB payload. To generate the compressed data, the driver needs to load a Huffman table, which is stored in the following binary file:
If the Huffman table can't be loaded, the driver will fall back to uncompressed mode.
udl driver first appeared in
Marcus Glocker <email@example.com>
|October 17, 2017||OpenBSD-current|