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path: root/drivers/gpu/drm/radeon/radeon_connectors.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 6b9aac754f10..609eda6bcb74 100644
--- 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:
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