For example, a partial driver is already available for a usb2vga device, currently capable of displaying static images, so support for desktop/window management is still missing: https://github.com/FrescoLogic/FL2000/issues/12.

How does the effort compare with the work needed for displaying raw images? (I assume this is the "low-level" part)

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    I'd try to use the available driver to write a proper framebuffer (/dev/fb*) driver. Then X etc. can just work on top of that, no DRM needed (and FL2000 doesn't have acceleration in the first place, IIRC). – dirkt Jul 6 '18 at 8:06
  • Why do you want to do Digital Restrictive Management? Do you hate your users? – ctrl-alt-delor Jul 6 '18 at 8:25
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    In this context, DRM = Direct Rendering Manager. That would allow applications to send both commands and data to a GPU. It's the kernel-space counterpart of DRI (Direct Rendering Infrastructure). – telcoM Jul 6 '18 at 10:38

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