1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
index 6bf3f714f84..4562f309ae3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
@@ -469,7 +469,7 @@ nouveau_dp_detect(struct drm_encoder *encoder)
             !nv_encoder->dcb->dpconf.link_bw)
                 nv_encoder->dp.link_bw = DP_LINK_BW_1_62;
 
-        nv_encoder->dp.link_nr = dpcd[2] & DP_MAX_LANE_COUNT;
+        nv_encoder->dp.link_nr = dpcd[2] & DP_MAX_LANE_COUNT_MASK;
         if (nv_encoder->dp.link_nr > nv_encoder->dcb->dpconf.link_nr)
                 nv_encoder->dp.link_nr = nv_encoder->dcb->dpconf.link_nr;