I think this one should go to 5.10. Not doing any cache syncing can have serious and hard-to-find problems. This will primarily impact DVB when using vb2 streaming. Regards, Hans The following changes since commit 67e061f044e46c9823e59ca7981786f858bfa292: Merge tag 'v5.10-rc6' into patchwork (2020-12-01 16:21:40 +0100) are available in the Git repository at: git://linuxtv.org/hverkuil/media_tree.git tags/br-v5.10c for you to fetch changes up to 49ab8493583a9e0de63a9b7f20c350802deb75df: media: vb2: set cache sync hints when init buffers (2020-12-02 11:42:44 +0100) ---------------------------------------------------------------- Tag branch ---------------------------------------------------------------- Sergey Senozhatsky (1): media: vb2: set cache sync hints when init buffers drivers/media/common/videobuf2/videobuf2-core.c | 11 +++++++++++ 1 file changed, 11 insertions(+)