diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c index 3e5f721d7540..997f2489f00f 100644 --- a/drivers/gpu/drm/display/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c @@ -4571,7 +4571,8 @@ int drm_dp_atomic_release_time_slots(struct drm_atomic_state *state, if (!payload->delete) { payload->pbn = 0; payload->delete = true; - topology_state->payload_mask &= ~BIT(payload->vcpi - 1); + if (payload->vcpi > 0) + topology_state->payload_mask &= ~BIT(payload->vcpi - 1); } return 0;