lwn.git/Documentation/userspace-api/dma-buf-alloc-exchange.rst, branch docs-fixesLinux kernel documentation tree maintained by Jonathan Corbethttp://mirrors.hust.edu.cn/git/lwn.git/atom?h=docs-fixes2023-08-21T16:20:05+00:00doc: uapi: Add document describing dma-buf semantics2023-08-21T16:20:05+00:00Daniel Stonedaniels@collabora.com2023-08-03T15:47:29+00:00urn:sha1:504245a5ab6b6e1bfe0280baa4885c551e082099
Since there's a lot of confusion around this, document both the rules
and the best practices around negotiating, allocating, importing, and
using buffers when crossing context/process/device/subsystem boundaries.
This ties up all of dma-buf, formats and modifiers, and their usage.
Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Sui Jingfeng <suijingfeng@loongson.cn>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20230803154908.105124-4-daniels@collabora.com