drm/dp_helper: Mention the concurrency requirement hw_mutex
authorMaxime Ripard <maxime@cerno.tech>
Wed, 16 Jun 2021 14:15:28 +0000 (16:15 +0200)
committerMaxime Ripard <maxime@cerno.tech>
Wed, 23 Jun 2021 12:32:27 +0000 (14:32 +0200)
commitc48935ab6b1280a80b38405369e88470f49809f4
tree627a80ebacdc3194c50d346e205f6da76de8853e
parent14407d3afed07c48a536be01d92dcd9812bcb3d5
drm/dp_helper: Mention the concurrency requirement hw_mutex

Drivers that allow concurrent access over multiple DP channels need to
provide additional locking, even though the hw_mutex field might
indicate otherwise. Clarify it in the documentation.

Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210616141529.630719-2-maxime@cerno.tech
include/drm/drm_dp_helper.h