On (21/07/22 19:26), Dafna Hirschfeld wrote:

Also, the 'cookie' cb returns buf->dma_addr which is not initialized for
the noncontiguous api. So it is not clear how drivers should use the new api.
Many drivers call vb2_dma_contig_plane_dma_addr which returns the cookie.

Hmm, that's a good find. Is ->dma_addr the same as what we have in
sgt.sgl->dma_address for non-contig?