linux-kernel - [PATCH 3/5] drm_dp_mst_topology: export two functions

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Date:   Tue,  1 Sep 2020 16:22:17 +1000
From:   Sam McNally <sammc@...omium.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Hans Verkuil <hans.verkuil@...co.com>,
        Sam McNally <sammc@...omium.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH 3/5] drm_dp_mst_topology: export two functions

From: Hans Verkuil <hans.verkuil@...co.com>

These are required for the CEC MST support.

Signed-off-by: Hans Verkuil <hans.verkuil@...co.com>
Signed-off-by: Sam McNally <sammc@...omium.org>
---

 drivers/gpu/drm/drm_dp_mst_topology.c | 6 ++----
 include/drm/drm_dp_mst_helper.h       | 4 ++++
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 0d753201adbd..c783a2a1c114 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -62,8 +62,6 @@ struct drm_dp_pending_up_req {
 static bool dump_dp_payload_table(struct drm_dp_mst_topology_mgr *mgr,
 				  char *buf);
 
-static void drm_dp_mst_topology_put_port(struct drm_dp_mst_port *port);
-
 static int drm_dp_dpcd_write_payload(struct drm_dp_mst_topology_mgr *mgr,
 				     int id,
 				     struct drm_dp_payload *payload);
@@ -1864,7 +1862,7 @@ static void drm_dp_mst_topology_get_port(struct drm_dp_mst_port *port)
  * drm_dp_mst_topology_try_get_port()
  * drm_dp_mst_topology_get_port()
  */
-static void drm_dp_mst_topology_put_port(struct drm_dp_mst_port *port)
+void drm_dp_mst_topology_put_port(struct drm_dp_mst_port *port)
 {
 	topology_ref_history_lock(port->mgr);
 
@@ -1935,7 +1933,7 @@ drm_dp_mst_topology_get_port_validated_locked(struct drm_dp_mst_branch *mstb,
 	return NULL;
 }
 
-static struct drm_dp_mst_port *
+struct drm_dp_mst_port *
 drm_dp_mst_topology_get_port_validated(struct drm_dp_mst_topology_mgr *mgr,
 				       struct drm_dp_mst_port *port)
 {
diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index c7c79e0ced18..d036222e0d64 100644
--- a/include/drm/drm_dp_mst_helper.h
+++ b/include/drm/drm_dp_mst_helper.h
@@ -754,6 +754,10 @@ drm_dp_mst_detect_port(struct drm_connector *connector,
 		       struct drm_dp_mst_topology_mgr *mgr,
 		       struct drm_dp_mst_port *port);
 
+struct drm_dp_mst_port *drm_dp_mst_topology_get_port_validated
+(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
+void drm_dp_mst_topology_put_port(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);
 
 
-- 
2.28.0.402.g5ffc5be6b7-goog