diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 1c9a9c4..4f899c3 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -494,6 +494,7 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 
 		if ((rdev->family == CHIP_RS690) ||
 		    (rdev->family == CHIP_RS740)) {
+#if 0
 			if ((i == ATOM_DEVICE_DFP2_INDEX)
 			    && (ci.sucI2cId.sbfAccess.bfI2C_LineMux == 2))
 				bios_connectors[i].line_mux =
@@ -503,6 +504,7 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 				bios_connectors[i].line_mux =
 				    ci.sucI2cId.sbfAccess.bfI2C_LineMux + 1;
 			else
+#endif
 				bios_connectors[i].line_mux =
 				    ci.sucI2cId.sbfAccess.bfI2C_LineMux;
 		} else