IQ-9075 - Qualcomm Dragonwing Documentation

Display features

Key features The display subsystem supports the following key features:

Wayland and Weston with upstream protocol
Weston compositor with direct rendering manager (DRM) backend module
Display serial interface (DSI)
2xDisplayPort with single stream transport (SST) and 2xDisplayPort with multi-stream transport (MST)

Capabilities The device supports two displays simultaneously and offers various configurations for maximum concurrency. The following table summarizes the capabilities: Table: Interfaces and capabilities

Interface	Capabilities
DSI0	Supports 1280 × 720 with reference Raspberry Pi (RPi) panel Supports Video Electronics Standards Association (VESA) display stream compression (DSC) 1.2
eDP0	Supports 3840 × 2160 at 60 fps 30 bpp
eDP1	Supports 3840 × 2160 at 60 fps 30 bpp
eDP2	Supports 3840 × 2160 at 60 fps 30 bpp
eDP3	Supports 3840 × 2160 at 60 fps 30 bpp
Maximum concurrency	2xDisplayPort with single stream transport (SST) and 2xDisplayPort with multi-stream transport (MST) Dual DPU support for 2 extended ports (requires Mezzanine board) The software supports maximum concurrency (only 3 streams supported between DSI, eDP0, and eDP1 including multi-stream transport (MST)).

⌘I

​Display features

Display features