[PATCH 25/28] drm/atomic-helper: Mention the new system/resume helpers the docs

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They have pretty kerneldoc already, but better to link to that in
one of the overview sections.

Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 drivers/gpu/drm/drm_atomic_helper.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index ab275499d2a3..110f3db8dd05 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2405,6 +2405,12 @@ EXPORT_SYMBOL(drm_atomic_helper_connector_dpms);
  * The simpler solution is to just reset the software state to everything off,
  * which is easiest to do by calling drm_mode_config_reset(). To facilitate this
  * the atomic helpers provide default reset implementations for all hooks.
+ *
+ * On the upside the precise state tracking of atomic simplifies system suspend
+ * and resume a lot. For drivers using drm_mode_config_reset() a complete recipe
+ * is implemented in drm_atomic_helper_suspend() and drm_atomic_helper_resume().
+ * For other drivers the building blocks are split out, see the documentation
+ * for these functions.
  */
 
 /**
-- 
2.5.1

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