> stride > ???? I think what's clear is: - Per-plane property - In bytes - Offset between two consecutive rows How that applies to weird YUV formats is the tricky question… > Btw. there was a fun argument whether the same modifier value could > mean different things on different devices. There were also arguments > that a certain modifier could reference additional implicit memory on > the device - memory that can only be accessed by very specific devices. > > I think AMLOGIC_FBC_LAYOUT_SCATTER was one of those. A recent exmaple of this is [1]. [1]: https://patchwork.freedesktop.org/patch/452461/