[PATCH 2/2] drm/tiny: Add ofdrm for Open Firmware framebuffers

Benjamin Herrenschmidt benh at kernel.crashing.org
Wed May 25 13:15:31 AEST 2022


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.



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