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path: root/drivers/gpu/drm/radeon/radeon_i2c.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_i2c.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_i2c.c10
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 c5bddd630eb9..fc60b74ee304 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;