Commit e33f4234 authored May 15, 2020 by Emil Velikov Committed by Emil Velikov May 19, 2020

drm/doc: add WARNING for drm_device::struct_mutex



The mutex should be used, only by legacy drivers. Add a big warning to
deter people from using it.

Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200515095118.2743122-6-emil.l.velikov@gmail.com

parent 5b4231fb

include/drm/drm_device.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -146,6 +146,9 @@ struct drm_device {
		* @struct_mutex:
		*
		* Lock for others (not &drm_minor.master and &drm_file.is_master)
		*
		* WARNING:
		* Only drivers annotated with DRIVER_LEGACY should be using this.
		*/
		struct mutex struct_mutex;

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