Hi Konstantin, On Thu, 3 Apr 2025 at 07:45, Konstantin Shabanov <m...@etehtsea.me> wrote: > Disable AFBC for resolutions bigger than 2560x1600 as RK3399 doesn't > support them. > > From the datasheet[1] ("1.2.10 Video IN/OUT", "Display Interface", p. 17): > > Support AFBC function co-operation with GPU > * support 2560x1600 UI
You could even fail the framebuffer creation, so userspace knows early it can never work, as opposed to -EINVAL from atomic_check which could mean ~anything. Cheers, Daniel