# \[PATCH v6 72/80\] drm/amd/display: kernel-doc: document force\_timing\_sync

- From: Mauro Carvalho Chehab \<mchehab+huawei@kernel.org\>
- Date: 2020-10-13 11:57:09 
- List: linux-doc
- Page: https://ratatoskr.run/linux-doc/2020/10/6138518
- Thread: https://ratatoskr.run/linux-doc/2020/10/6138538/t.md

```text
As warned when running "make htmldocs":

	./drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:345: warning: Function parameter or member 'force_timing_sync' not described in 'amdgpu_display_manager'

This new struct member was not documented at kernel-doc markup.

Fixes: 3d4e52d0cf24 ("drm/amd/display: Add debugfs for forcing stream timing sync")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index dd1559c743c2..fc7e3e9fd719 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -149,6 +149,8 @@ struct amdgpu_dm_backlight_caps {
  * @cached_state: Caches device atomic state for suspend/resume
  * @cached_dc_state: Cached state of content streams
  * @compressor: Frame buffer compression buffer. See &struct dm_comressor_info
+ * @force_timing_sync: set via debugfs. When set, indicates that all connected
+ *		       displays will be forced to synchronize.
  */
 struct amdgpu_display_manager {
 
-- 
2.26.2

```
