1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c
index 1017338a49d9..2b98ed3e684d 100644
--- a/drivers/gpu/drm/radeon/radeon_dp_mst.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c
@@ -666,6 +666,9 @@ radeon_dp_mst_probe(struct radeon_connector *radeon_connector)
         int ret;
         u8 msg[1];
 
+        if (!radeon_mst)
+                return 0;
+
         if (dig_connector->dpcd[DP_DPCD_REV] < 0x12)
                 return 0;