drm/radeon/kms: add support for eDP (embedded DisplayPort)
This is displayport used for internal connections such
as laptop panels and systems with integrated monitors.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index b82ae61..9da10dd 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -49,8 +49,10 @@
if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
- if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
- if (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
+ if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
+ (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
+ if ((radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
+ (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_eDP)) {
if (radeon_dp_needs_link_train(radeon_connector)) {
if (connector->encoder)
dp_link_train(connector->encoder, connector);
@@ -967,7 +969,8 @@
}
sink_type = radeon_dp_getsinktype(radeon_connector);
- if (sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
+ if ((sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
+ (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
if (radeon_dp_getdpcd(radeon_connector)) {
radeon_dig_connector->dp_sink_type = sink_type;
ret = connector_status_connected;
@@ -992,7 +995,8 @@
/* XXX check mode bandwidth */
- if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
+ if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
+ (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
return radeon_dp_mode_valid_helper(radeon_connector, mode);
else
return MODE_OK;
@@ -1145,6 +1149,7 @@
subpixel_order = SubPixelHorizontalRGB;
break;
case DRM_MODE_CONNECTOR_DisplayPort:
+ case DRM_MODE_CONNECTOR_eDP:
radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
if (!radeon_dig_connector)
goto failed;
@@ -1157,10 +1162,16 @@
goto failed;
if (i2c_bus->valid) {
/* add DP i2c bus */
- radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
+ if (connector_type == DRM_MODE_CONNECTOR_eDP)
+ radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
+ else
+ radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
if (!radeon_dig_connector->dp_i2c_bus)
goto failed;
- radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
+ if (connector_type == DRM_MODE_CONNECTOR_eDP)
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "eDP");
+ else
+ radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
if (!radeon_connector->ddc_bus)
goto failed;
}