On Tue, Jul 23, 2024 at 12:49 AM bartiszosti via lists.yoctoproject.org <bartiszosti=gmail....@lists.yoctoproject.org> wrote: > > Hello, > How to enable the LinuxFB on the Raspberry Pi 4? > I'd like to start a Qt6 GUI app with the LinuxFB platform, but currently I > have such output: > > > qtwidgets[229]: Unable to figure out framebuffer device. Specify it manually. > qtwidgets[229]: linuxfb: Failed to initialize screen > qtwidgets[229]: no screens available, assuming 24-bit color > qtwidgets[229]: Cannot create window: no screens available > > So far, I set CONFIG_FB=y, but still I don't have any fb devices under /dev. > How do I enable it?
How are you launching it ? We have it working for odroid-c4 here https://github.com/YoeDistro/yoe-distro/blob/master/conf/projects/odroid-c4/config.conf#L28-L33 for rpi we use EGLFS and it works well as well. > > >
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