drm/radeon/kms: fix DP setup on TRAVIS bridges

Supposedly both NUTMEG and TRAVIS should use the same
panel mode, but switching the panel mode for TRAVIS
gets things working.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=41569

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index ff47186b5629..a0de48542f71 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -560,9 +560,12 @@ static void radeon_dp_set_panel_mode(struct drm_encoder *encoder,
         if (!ASIC_IS_DCE4(rdev))
                 return;
 
-        if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
-            ENCODER_OBJECT_ID_NONE)
+        if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) ==
+            ENCODER_OBJECT_ID_NUTMEG)
                 panel_mode = DP_PANEL_MODE_INTERNAL_DP1_MODE;
+        else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) ==
+                 ENCODER_OBJECT_ID_TRAVIS)
+                panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE;
         else if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
                 u8 tmp = radeon_read_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_CAP);
                 if (tmp & 1)