drm: Add a note to drm_property_create() about property lifetime

Cc: Chandra Konduru <[email protected]>
Cc: Daniel Vetter <[email protected]>
Signed-off-by: Damien Lespiau <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 4081d7ab840755e338ccf3652edd6de79ca4a47e..0f3c24c0981bf34864e380a2fb1253665b367fc9 100644 (file)
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3417,6 +3417,10 @@ void drm_fb_release(struct drm_file *priv)
  * object with drm_object_attach_property. The returned property object must be
  * freed with drm_property_destroy.
  *
+ * Note that the DRM core keeps a per-device list of properties and that, if
+ * drm_mode_config_cleanup() is called, it will destroy all properties created
+ * by the driver.
+ *
  * Returns:
  * A pointer to the newly created property on success, NULL on failure.
  */