Tomasz, I would appreciate it if you can review this series. Regards, Hans On 03/04/2024 11:13, Yunke Cao wrote: > Hi, > > This patch set avoids attaching and mapping a dma_buf multiple times when > several planes in one vb2 buffer share the same dma_buf. > > 1/3 and 2/3 refactors __prepare_dmabuf() > 3/3 adds a flag to avoid duplicated attaching > > Changelog since v1: > - Add patch 1/3 to refactor __prepare_dmabuf() > - Add patch 2/3 to resolve Tomasz's comment on __vb2_buf_dmabuf_put()'s > iteration order > - Fix mem_priv in patch 3/3 > - Rename duplicated_dbuf to dbuf_duplicated > > Yunke Cao (3): > media: videobuf2-core: release all planes first in __prepare_dmabuf() > media: videobuf2-core: reverse the iteration order in > __vb2_buf_dmabuf_put > media: videobuf2-core: attach once if multiple planes share the same > dbuf > > .../media/common/videobuf2/videobuf2-core.c | 97 +++++++++++-------- > include/media/videobuf2-core.h | 3 + > 2 files changed, 62 insertions(+), 38 deletions(-) >
