drm/radeon/kms: only expose underscan on avivo chips

R4xx also uses the atom add connector function, but underscan is only
supported on avivo chips.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

2 files changed, 16 insertions, 11 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 609eda6bcb7..2395c8600cf 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1134,9 +1134,10 @@ radeon_add_atom_connector(struct drm_device *dev,
                 drm_connector_attach_property(&radeon_connector->base,
                                               rdev->mode_info.coherent_mode_property,
                                               1);
-                drm_connector_attach_property(&radeon_connector->base,
-                                              rdev->mode_info.underscan_property,
-                                              UNDERSCAN_AUTO);
+                if (ASIC_IS_AVIVO(rdev))
+                        drm_connector_attach_property(&radeon_connector->base,
+                                                      rdev->mode_info.underscan_property,
+                                                      UNDERSCAN_AUTO);
                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
                         radeon_connector->dac_load_detect = true;
                         drm_connector_attach_property(&radeon_connector->base,
@@ -1162,9 +1163,10 @@ radeon_add_atom_connector(struct drm_device *dev,
                 drm_connector_attach_property(&radeon_connector->base,
                                               rdev->mode_info.coherent_mode_property,
                                               1);
-                drm_connector_attach_property(&radeon_connector->base,
-                                              rdev->mode_info.underscan_property,
-                                              UNDERSCAN_AUTO);
+                if (ASIC_IS_AVIVO(rdev))
+                        drm_connector_attach_property(&radeon_connector->base,
+                                                      rdev->mode_info.underscan_property,
+                                                      UNDERSCAN_AUTO);
                 subpixel_order = SubPixelHorizontalRGB;
                 break;
         case DRM_MODE_CONNECTOR_DisplayPort:
@@ -1196,9 +1198,10 @@ radeon_add_atom_connector(struct drm_device *dev,
                 drm_connector_attach_property(&radeon_connector->base,
                                               rdev->mode_info.coherent_mode_property,
                                               1);
-                drm_connector_attach_property(&radeon_connector->base,
-                                              rdev->mode_info.underscan_property,
-                                              UNDERSCAN_AUTO);
+                if (ASIC_IS_AVIVO(rdev))
+                        drm_connector_attach_property(&radeon_connector->base,
+                                                      rdev->mode_info.underscan_property,
+                                                      UNDERSCAN_AUTO);
                 break;
         case DRM_MODE_CONNECTOR_SVIDEO:
         case DRM_MODE_CONNECTOR_Composite:
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 4a4ff983cef..263c8098d7d 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;