drm/dp_mst: Factor out function to queue a topology probe work

commit e9b36c5be2e7fdef2cc933c1dac50bd81881e9b8 upstream.

Factor out a function to queue a work for probing the topology, also
used by the next patch.

Cc: Lyude Paul <lyude@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240722165503.2084999-2-imre.deak@intel.com
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c
index 08f8a22431fe1f13894db3a612037e79066a0641..2a6feb83f786323b1396cb43457fcff23c3f471f 100644 (file)
--- a/drivers/gpu/drm/display/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c
@@ -2692,6 +2692,11 @@ static void drm_dp_mst_link_probe_work(struct work_struct *work)
                drm_kms_helper_hotplug_event(dev);
 }
 
+static void drm_dp_mst_queue_probe_work(struct drm_dp_mst_topology_mgr *mgr)
+{
+       queue_work(system_long_wq, &mgr->work);
+}
+
 static bool drm_dp_validate_guid(struct drm_dp_mst_topology_mgr *mgr,
                                 u8 *guid)
 {
@@ -3643,7 +3648,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
                /* Write reset payload */
                drm_dp_dpcd_write_payload(mgr, 0, 0, 0x3f);
 
-               queue_work(system_long_wq, &mgr->work);
+               drm_dp_mst_queue_probe_work(mgr);
 
                ret = 0;
        } else {
@@ -3766,7 +3771,7 @@ int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr,
         * state of our in-memory topology back into sync with reality. So,
         * restart the probing process as if we're probing a new hub
         */
-       queue_work(system_long_wq, &mgr->work);
+       drm_dp_mst_queue_probe_work(mgr);
        mutex_unlock(&mgr->lock);
 
        if (sync) {