IQ-9075 - Qualcomm Dragonwing Documentation

For hardware details, see IQ-9075 hardware overview.

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)
2x DisplayPort with single stream transport (SST) and 2x DisplayPort with multi-stream transport (MST)

The following figure shows the IQ-9075 display processing unit (DPU) interfaces and their connectivity.

Figure: IQ-9075 DPU interface map

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	2x DisplayPort with single stream transport (SST) and 2x DisplayPort 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)).

To set up the display on IQ-9075, see Enable the display: IQ-9075.

​Display features

Display features