4 bytes long, typically used for command parameters or status responses.
If you have access to the MIPI DSI Specification PDF (commonly version 1.3, 1.4, or the newer 2.0/2.1), here is the core content you will find inside: mipi dsi specification pdf
| Document | Description | |----------|-------------| | | Core protocol, packet formats, modes, and timing. | | MIPI D-PHY Specification | Physical layer (differential signaling, lanes, timing). | | MIPI C-PHY Specification | Alternative 3-phase physical layer (higher density). | | MIPI DSI-2 Specification | Enhanced version (higher speed, compression, etc.). | | MIPI DIS (Display Interface Subsystem) | Integration guidelines. | 4 bytes long, typically used for command parameters
A very specific and technical topic!