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drm/doc: add WARNING for drm_device::struct_mutex
author
Emil Velikov
<emil.velikov@collabora.com>
Fri, 15 May 2020 09:50:45 +0000
(10:50 +0100)
committer
Emil Velikov
<emil.l.velikov@gmail.com>
Tue, 19 May 2020 20:52:25 +0000
(21:52 +0100)
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
include/drm/drm_device.h
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diff --git
a/include/drm/drm_device.h
b/include/drm/drm_device.h
index
a55874d
..
0988351
100644
(file)
--- a/
include/drm/drm_device.h
+++ b/
include/drm/drm_device.h
@@
-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;