| Message ID | 20230717131305.616855-1-contact@emersion.fr (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/doc: add warning about connector_type_id stability | expand |
On Mon, 17 Jul 2023 13:13:09 +0000 Simon Ser <contact@emersion.fr> wrote: > Mention that the connector_type_id is not stable: it depends on > driver and device probe order. > > Signed-off-by: Simon Ser <contact@emersion.fr> > Cc: Daniel Vetter <daniel.vetter@ffwll.ch> > Cc: Pekka Paalanen <pekka.paalanen@collabora.com> > --- > include/uapi/drm/drm_mode.h | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h > index 92d96a2b6763..ea1b639bcb28 100644 > --- a/include/uapi/drm/drm_mode.h > +++ b/include/uapi/drm/drm_mode.h > @@ -488,6 +488,9 @@ struct drm_mode_get_connector { > * This is not an object ID. This is a per-type connector number. Each > * (type, type_id) combination is unique across all connectors of a DRM > * device. > + * > + * The (type, type_id) combination is not a stable identifier: the > + * type_id can change depending on the driver probe order. > */ > __u32 connector_type_id; > Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com> Thanks, pq
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index 92d96a2b6763..ea1b639bcb28 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -488,6 +488,9 @@ struct drm_mode_get_connector { * This is not an object ID. This is a per-type connector number. Each * (type, type_id) combination is unique across all connectors of a DRM * device. + * + * The (type, type_id) combination is not a stable identifier: the + * type_id can change depending on the driver probe order. */ __u32 connector_type_id;
Mention that the connector_type_id is not stable: it depends on driver and device probe order. Signed-off-by: Simon Ser <contact@emersion.fr> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Pekka Paalanen <pekka.paalanen@collabora.com> --- include/uapi/drm/drm_mode.h | 3 +++ 1 file changed, 3 insertions(+)