QCS6490 - Qualcomm Dragonwing Documentation

Display features

Key features The display subsystem supports the following key features:

Wayland and Weston with upstream-aligned protocol
Weston with direct rendering manager (DRM) backend module
Weston remote desktop protocol (RDP) backend
DSI interface
Native eDP 1.4 interface
DisplayPort over USB Type-C interface

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	FHD+ (1200 × 2520) at 120 fps (8-bit) Supports Video Electronics Standards Association (VESA) display stream compression (DSC) 1.2
DSI0 to HDMI	Supports up to 3840 × 2160 at 30 fps Supports dynamic resolution switch up to 3840 × 2160 at 30 fps
DisplayPort	3840 × 2160 resolution at 30 fps, 24 bpp (requires two lanes at HBR3) Single stream transport
eDP	Supports a maximum resolution of 3840 × 2160 at 60 fps
Maximum concurrency	HD+ (1200 × 2520) (8-bit) at 60 fps with DSI primary + 4K at 30 fps DisplayPort Or 1920 × 1080p at 60 fps with DSI to HDMI primary + 4K at 30 fps DisplayPort Or 1920 × 1080p at 60 fps with eDP primary + 4K at 30 fps DisplayPort

​Display features

Display features