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For supported interfaces and capabilities, see IQ-9075 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

The following figure shows the display connectors on the IQ-9075 EVK.
IQ-9075 EVK display connectors

Figure: IQ-9075 EVK display connectors

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Verify the DisplayPort setup

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

    Figure: DisplayPort setup

  2. Power on the device. Weston launches automatically during boot.
  3. Verify the display. The following Weston flower pattern displays on both DisplayPort screens, indicating successful setup.
    Figure: Weston flower pattern

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Set up multiple DisplayPort displays

To connect and configure more than one DisplayPort display on the IQ-9075 EVK, use the multiple DisplayPort setup guide.
For step-by-step instructions, see Set up multiple DisplayPort displays.

If you are experiencing a no-display screen issue on DisplayPort, see Debug the DisplayPort.

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Verify the display functionality

After you have set up the required display interface, 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.