[PATCH] drm: document that user-space should force-probe connectors

[Simon Ser]

It seems like we can't have nice things, so let's just document the
disappointing behaviour instead.

Signed-off-by: Simon Ser <contact at emersion.fr>
Fixes: 2ac5ef3b2362 ("drm: document drm_mode_get_connector")
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: Pekka Paalanen <ppaalanen at gmail.com>
Cc: Ville Syrjala <ville.syrjala at linux.intel.com>
---
 include/uapi/drm/drm_mode.h | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index b49fbf2bdc40..2e99f29d7f81 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -414,15 +414,10 @@ enum drm_mode_subconnector {
  *
  * If the @count_modes field is set to zero, the kernel will perform a forced
  * probe on the connector to refresh the connector status, modes and EDID.
- * A forced-probe can be slow and the ioctl will block. A force-probe can cause
- * flickering and temporary freezes, so it should not be performed
- * automatically.
+ * A forced-probe can be slow and the ioctl will block.
  *
- * User-space shouldn't need to force-probe connectors in general: the kernel
- * will automatically take care of probing connectors that don't support
- * hot-plug detection when appropriate. However, user-space may force-probe
- * connectors on user request (e.g. clicking a "Scan connectors" button, or
- * opening a UI to manage screens).
+ * User-space needs to force-probe connectors to ensure their metadata is
+ * up-to-date.
  */
 struct drm_mode_get_connector {
 	/** @encoders_ptr: Pointer to ``__u32`` array of object IDs. */
-- 
2.29.2