Hi Boris, On Tue, Mar 19, 2019 at 03:52:42PM +0100, Boris Brezillon wrote: > This is part of the multiplanar and singleplanar unification process. > v4l2_ext_pix_format is supposed to work for both cases. > > We also add the concept of modifiers already employed in DRM to expose > HW-specific formats (like tiled or compressed formats) and allow > exchanging this information with the DRM subsystem in a consistent way. I'm quite happy to see modifiers working their way into v4l2, thank you for picking up that torch. I didn't see anything about format enumeration here - do you have any thoughts on how you think it would work? Cheers, -Brian