How to enable EGLFS KMS



  • I was trying to use EGLFS KMS through command-line configuration -platform eglfs and setting QT_QPA_EGLFS_INTEGRATION=eglfs_kms. Unfortunately, it did not work. Then I found out that the EGLFS KMS is not enabled at my configuration:

    QPA backends:
    DirectFB ............. no
    EGLFS ................ yes
    EGLFS i.MX6....... . no
    EGLFS KMS .......... no
    EGLFS Mali ......... no
    EGLFS Raspberry Pi . no
    EGLFS X11 .......... no
    LinuxFB .............. yes
    XCB .................. no
    ...

    It is not cleared how to enable EGLFS KMS. Any help will be highly appreciated.

    Best regards,

    Eric


  • Lifetime Qt Champion

    Hi and welcome to devnet,

    to enable kms from configure you can call configure -kms, you also need to have libdrm-dev installed.



  • Thank you very much!
    Yes, I was able to rebuild QT5 and enable EGLFS-KMS now.


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