On 2/8/22 16:40, Javier Martinez Canillas wrote: > On 2/8/22 16:23, Geert Uytterhoeven wrote: [snip] >> >> Fbcon does small writes to the shadow frame buffer, while fbtest >> writes to the mmap()ed /dev/fbX, causing a full page to be updated. >> > > I see. Thanks for the information. > I found the bug. Partial updates where indeed broken and only a full screen update was working. I didn't notice because where using your fbtests that mmap and do a full update. Thanks a lot for reporting this, the issue should be fixed in v3. Best regards, -- Javier Martinez Canillas Linux Engineering Red Hat
