drm/amd/display: Address kdoc for eDP Panel Replay feature in...

drm/amd/display: Address kdoc for eDP Panel Replay feature in 'amdgpu_dm_crtc_set_panel_sr_feature()'

Fixes the below:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_crtc.c:100: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
 * The DRM vblank counter enable/disable action is used as the trigger
   to enable

Cc: Sun peng Li <sunpeng.li@amd.com>
Cc: Alex Hung <alex.hung@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c

@@ -97,6 +97,14 @@ bool amdgpu_dm_crtc_vrr_active(struct dm_crtc_state *dm_state)
 }
 
 /**
+ * amdgpu_dm_crtc_set_panel_sr_feature() - Manage panel self-refresh features.
+ *
+ * @vblank_work:    is a pointer to a struct vblank_control_work object.
+ * @vblank_enabled: indicates whether the DRM vblank counter is currently
+ *                  enabled (true) or disabled (false).
+ * @allow_sr_entry: represents whether entry into the self-refresh mode is
+ *                  allowed (true) or not allowed (false).
+ *
  * The DRM vblank counter enable/disable action is used as the trigger to enable
  * or disable various panel self-refresh features:
  *