From 0c5afac32113f3637afce34423b678abbf89eaea Mon Sep 17 00:00:00 2001 From: Alistair Delva Date: Fri, 17 Apr 2020 11:25:14 -0700 Subject: [PATCH] ANDROID: GKI: drm: Add drm_dp_mst_has_fec accessor function Resolves an abi diff. Bug: 152417756 Signed-off-by: Alistair Delva Change-Id: Ifcd858c35cb52cd2a3024dcb456e79f6214ab25a --- drivers/gpu/drm/drm_dp_mst_topology.c | 14 ++++++++++++++ include/drm/drm_dp_mst_helper.h | 4 ++++ 2 files changed, 18 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 3a766ce818d6..d39de54c1f2e 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -2594,6 +2594,20 @@ bool drm_dp_mst_port_has_audio(struct drm_dp_mst_topology_mgr *mgr, } EXPORT_SYMBOL(drm_dp_mst_port_has_audio); +bool drm_dp_mst_has_fec(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_port *port) +{ + bool ret = false; + + port = drm_dp_get_validated_port_ref(mgr, port); + if (!port) + return ret; + ret = port->fec_capable; + drm_dp_put_port(port); + return ret; +} +EXPORT_SYMBOL_GPL(drm_dp_mst_has_fec); + /** * drm_dp_mst_get_edid() - get EDID for an MST port * @connector: toplevel connector to get EDID for diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h index f2bb8040bf17..42b6703b3203 100644 --- a/include/drm/drm_dp_mst_helper.h +++ b/include/drm/drm_dp_mst_helper.h @@ -606,6 +606,10 @@ enum drm_connector_status drm_dp_mst_detect_port(struct drm_connector *connector bool drm_dp_mst_port_has_audio(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port); + +bool drm_dp_mst_has_fec(struct drm_dp_mst_topology_mgr *mgr, + struct drm_dp_mst_port *port); + struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);