On Sun, 2022-05-22 at 21:35 +0200, Thomas Zimmermann wrote: > > Interesting. Did you find some formats that were not supported ? > > We still don't support XRGB1555. If the native buffer uses this format, > we'd have no conversion helper. In this case, we rely on userspace/fbcon > to use the native format exclusively. (BTW, I asked one of my coworkers > to implement XRGB1555 to make her familiar with DRM. That's why I > haven't sent a patch yet.) > Various old macs do 1555 ... Cheers, Ben.