drm/amd/display: Add missing do_mccs parameter description

Add missing description for do_mccs parameter in
amdgpu_dm_update_freesync_caps.

Fixes the below with gcc W=1:
../display/amdgpu_dm/amdgpu_dm.c:13269 function parameter 'do_mccs' not described in 'amdgpu_dm_update_freesync_caps'

Fixes: 8dc88c6a5948 ("drm/amd/display: Avoid to do MCCS transaction if unnecessary")
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Wayne Lin <Wayne.Lin@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Alex Hung <alex.hung@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 70ee26c68d4efa500a008c95ed3f6fdbfa3e5f69..f69a7e88546ad2c28123b77b1ac05fd0813f7607 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -13263,6 +13263,10 @@ static int parse_hdmi_amd_vsdb(struct amdgpu_dm_connector *aconnector,
  *
  * @connector: Connector to query.
  * @drm_edid: DRM EDID from monitor
+ * @do_mccs: Controls whether MCCS (Monitor Control Command Set) over
+ *           DDC (Display Data Channel) transactions are performed. When true,
+ *           the driver queries the monitor to get or update additional FreeSync
+ *           capability information. When false, these transactions are skipped.
  *
  * Amdgpu supports Freesync in DP and HDMI displays, and it is required to keep
  * track of some of the display information in the internal data struct used by