drm/radeon/kms: enable underscan option for digital connectors

[mv-sheeva.git] / drivers / gpu / drm / radeon / radeon_connectors.c

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 6b9aac754f10d42ca8eb2a6d5d746bfd29c56812..609eda6bcb74c118b57a51c14a8bfb869fe8f581 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -312,6 +312,20 @@ int radeon_connector_set_property(struct drm_connector *connector, struct drm_pr
                }
        }
 
+       if (property == rdev->mode_info.underscan_property) {
+               /* need to find digital encoder on connector */
+               encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
+               if (!encoder)
+                       return 0;
+
+               radeon_encoder = to_radeon_encoder(encoder);
+
+               if (radeon_encoder->underscan_type != val) {
+                       radeon_encoder->underscan_type = val;
+                       radeon_property_change_mode(&radeon_encoder->base);
+               }
+       }
+
        if (property == rdev->mode_info.tv_std_property) {
                encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
                if (!encoder) {
@@ -1120,6 +1134,9 @@ 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 (connector_type == DRM_MODE_CONNECTOR_DVII) {
                        radeon_connector->dac_load_detect = true;
                        drm_connector_attach_property(&radeon_connector->base,
@@ -1145,6 +1162,9 @@ 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);
                subpixel_order = SubPixelHorizontalRGB;
                break;
        case DRM_MODE_CONNECTOR_DisplayPort:
@@ -1176,6 +1196,9 @@ 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);
                break;
        case DRM_MODE_CONNECTOR_SVIDEO:
        case DRM_MODE_CONNECTOR_Composite: