Could not queue DRM page flip on screen DSI1 (Permission denied)

[User.44]

• HI
• I've already run this command

Continue to run

root@stm32mp1:~# /usr/share/examples/opengl/hellowindow/hellowindow

qt.qpa.input: X-less xkbcommon not available, not performing key mapping

Could not queue DRM page flip on screen DSI1 (Device or resource busy)

Could not queue DRM page flip on screen DSI1 (Device or resource busy)

Could not queue DRM page flip on screen DSI1 (Device or resource busy)

Could not queue DRM page flip on screen DSI1 (Device or resource busy)

Could not queue DRM page flip on screen DSI1 (Device or resource busy)

Could not queue DRM page flip on screen DSI1 (Device or resource busy)

Could not queue DRM page flip on screen DSI1 (Device or resource busy)

Could not queue DRM page flip on screen DSI1 (Device or resource busy)

does not help!

What can be the Issue here?

​I read this post https://community.st.com/s/global-search/Could%20not%20queue%20DRM%20page%20flip%20on%20screen%20DSI1%20%28Permission%20denied%29

[Olivier GALLIEN]

Hi,

Could you please precise board and OpenSTLinux distribution you are using ?

Is it the default st-example-image-qt ?

Thanks

Olivier

[Olivier GALLIEN · Accepted solution]

Hi @文�?� �?​ 

Need to do :

root@stm32mp1:~# psplash-drm-quit

root@stm32mp1:~# export QT_QPA_EGLFS_ALWAYS_SET_MODE="1"

Hope it help

Olivier