Kernel Menu Configuration

Follow the steps below to enable the kernel configuration for eDP.
  1. Under the root directory of freelight-u-sdk, type the following command to enter the kernel menu configuration GUI. 
    make linux-menuconfig
  2. Enter the Device Drivers menu.
    Figure 1. Device Drivers
  3. Enter the Graphics support menu.
    Figure 2. Graphics support
  4. In the Graphics support menu, select the DRM Support for VeriSilicon option to enable video output.
    Figure 3. DRM Support for VeriSilicon

For MIPI Output

  1. For MIPI output, select StarFive MIPI DSI Select under Graphics support.
    Figure 4. Starfive MIPI DSI Select
  2. Back to Device Driver menu and select PHY Subsystem to configure M31 DPHY.
    Figure 5. PHY Subsystem
  3. Enter the PHY Subsystem menu and select Starfive M31 MIPI DPHY TX Driver option.
    Figure 6. Starfive M31 MIPI DPHY TX Driver
  4. Save your change before you exit the kernel configuration dialog.

For eDP Output

  1. For eDP output, configure the lt8911exb. Enter the Device Drivers menu.
    Figure 7. Device Driver
  2. Enter the Graphics support menu.
    Figure 8. Graphics Support
  3. Select Lontium LT8911EXB driver.
    Figure 9. Lontium LT8911EXB
  4. Save your change before you exit the kernel configuration dialog.