* Re: [Intel-gfx] [PATCH v2 7/7] drm/connector: add ref to drm_connector_get in iter docs
@ 2021-08-02 7:36 Simon Ser
0 siblings, 0 replies; 2+ messages in thread
From: Simon Ser @ 2021-08-02 7:36 UTC (permalink / raw)
To: dri-devel, amd-gfx
Cc: harry.wentland, alexander.deucher, michel, pekka.paalanen,
daniel, daniel, intel-gfx
Pushed this one doc patch with Daniel's R-b on IRC.
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Intel-gfx] [PATCH v2 7/7] drm/connector: add ref to drm_connector_get in iter docs
@ 2021-06-09 21:24 Simon Ser
0 siblings, 0 replies; 2+ messages in thread
From: Simon Ser @ 2021-06-09 21:24 UTC (permalink / raw)
To: dri-devel, amd-gfx
Cc: pekka.paalanen, michel, alexander.deucher, harry.wentland, intel-gfx
Mention that connectors need to be referenced manually if they are
to be accessed after the iteration has progressed or ended.
Signed-off-by: Simon Ser <contact@emersion.fr>
---
include/drm/drm_connector.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 714d1a01c065..c1af1e4ca560 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1735,6 +1735,11 @@ void drm_mode_put_tile_group(struct drm_device *dev,
* drm_connector_list_iter_begin(), drm_connector_list_iter_end() and
* drm_connector_list_iter_next() respectively the convenience macro
* drm_for_each_connector_iter().
+ *
+ * Note that the return value of drm_connector_list_iter_next() is only valid
+ * up to the next drm_connector_list_iter_next() or
+ * drm_connector_list_iter_end() call. If you want to use the connector later,
+ * then you need to grab your own reference first using drm_connector_get().
*/
struct drm_connector_list_iter {
/* private: */
--
2.31.1
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