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For supported interfaces and capabilities, see IQ-8275 display specifications.

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Set up the DisplayPort

The display subsystem provides the Weston and Wayland compositors, along with libdrm, which interact with the DPU driver to render the Wayland client applications. Use the sample test applications to evaluate the basic rendering of the Wayland applications and to connect to the DisplayPort.
Figure: DisplayPort setup workflow

Figure: DisplayPort setup workflow

Verify the DisplayPort setup
  1. Connect the DisplayPort cable to the eDP0 connector as shown in the following figure:
    Figure: IQ-8275 DisplayPort setup

    Figure: IQ-8275 DisplayPort setup

  2. Power on the device. Weston launches automatically during boot.
  3. Verify the display. The following Weston flower pattern displays on the screen, indicating a successful setup.
    Figure: Weston flower pattern
    If you are experiencing a no-display screen issue on DisplayPort, see Debug the DisplayPort.
After you have set up the DisplayPort, run the following test applications to verify the display functionality:

Run Weston simple EGL

Verify composition and rendering of frames on your display.

Run DRM modetest

Verify the display driver topology and DPU paths.