1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 3bdd314f02b1..222eb1a8549b 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -855,7 +855,7 @@ static void drm_dp_destroy_mst_branch_device(struct kref *kref)
         mutex_unlock(&mstb->mgr->qlock);
 
         if (wake_tx)
-                wake_up(&mstb->mgr->tx_waitq);
+                wake_up_all(&mstb->mgr->tx_waitq);
 
         kref_put(kref, drm_dp_free_mst_branch_device);
 }
@@ -1510,7 +1510,7 @@ static void process_single_down_tx_qlock(struct drm_dp_mst_topology_mgr *mgr)
                 if (txmsg->seqno != -1)
                         txmsg->dst->tx_slots[txmsg->seqno] = NULL;
                 txmsg->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
-                wake_up(&mgr->tx_waitq);
+                wake_up_all(&mgr->tx_waitq);
         }
 }
 
@@ -2258,7 +2258,7 @@ static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr)
                 mstb->tx_slots[slot] = NULL;
                 mutex_unlock(&mgr->qlock);
 
-                wake_up(&mgr->tx_waitq);
+                wake_up_all(&mgr->tx_waitq);
         }
         return ret;
 }