1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index c5bddd630eb..fc60b74ee30 100644
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -39,7 +39,7 @@ extern u32 radeon_atom_hw_i2c_func(struct i2c_adapter *adap);
  * radeon_ddc_probe
  *
  */
-bool radeon_ddc_probe(struct radeon_connector *radeon_connector)
+bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux)
 {
         u8 out = 0x0;
         u8 buf[8];
@@ -63,7 +63,13 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector)
         if (radeon_connector->router.ddc_valid)
                 radeon_router_select_ddc_port(radeon_connector);
 
-        ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2);
+        if (use_aux) {
+                struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
+                ret = i2c_transfer(&dig->dp_i2c_bus->adapter, msgs, 2);
+        } else {
+                ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2);
+        }
+
         if (ret != 2)
                 /* Couldn't find an accessible DDC on this connector */
                 return false;