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Diffstat (limited to 'drivers/gpu/drm/drm_connector.c')
| -rw-r--r-- | drivers/gpu/drm/drm_connector.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index c3725086f413..b0516505f7ae 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1198,6 +1198,12 @@ static const u32 dp_colorspaces = * drm_connector_set_path_property(), in the case of DP MST with the * path property the MST manager created. Userspace cannot change this * property. + * + * In the case of DP MST, the property has the format + * ``mst:<parent>-<ports>`` where ``<parent>`` is the KMS object ID of the + * parent connector and ``<ports>`` is a hyphen-separated list of DP MST + * port numbers. Note, KMS object IDs are not guaranteed to be stable + * across reboots. * TILE: * Connector tile group property to indicate how a set of DRM connector * compose together into one logical screen. This is used by both high-res |