1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 4a4ff983cef5..263c8098d7dd 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1708,7 +1708,8 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t su
                 } else {
                         drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_TMDS);
                         radeon_encoder->enc_priv = radeon_atombios_set_dig_info(radeon_encoder);
-                        radeon_encoder->underscan_type = UNDERSCAN_AUTO;
+                        if (ASIC_IS_AVIVO(rdev))
+                                radeon_encoder->underscan_type = UNDERSCAN_AUTO;
                 }
                 drm_encoder_helper_add(encoder, &radeon_atom_dig_helper_funcs);
                 break;
@@ -1738,7 +1739,8 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t su
                 } else {
                         drm_encoder_init(dev, encoder, &radeon_atom_enc_funcs, DRM_MODE_ENCODER_TMDS);
                         radeon_encoder->enc_priv = radeon_atombios_set_dig_info(radeon_encoder);
-                        radeon_encoder->underscan_type = UNDERSCAN_AUTO;
+                        if (ASIC_IS_AVIVO(rdev))
+                                radeon_encoder->underscan_type = UNDERSCAN_AUTO;
                 }
                 drm_encoder_helper_add(encoder, &radeon_atom_dig_helper_funcs);
                 break;