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/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 0d63c44..3eb0ca5 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -468,7 +468,8 @@
struct radeon_connector *radeon_connector;
struct radeon_connector_atom_dig *dig_connector;
- if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
+ if ((connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) ||
+ (connector->connector_type != DRM_MODE_CONNECTOR_eDP))
return;
radeon_connector = to_radeon_connector(connector);
@@ -582,7 +583,8 @@
u8 train_set[4];
int i;
- if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
+ if ((connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) ||
+ (connector->connector_type != DRM_MODE_CONNECTOR_eDP))
return;
if (!radeon_encoder->enc_priv)
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 41dd8eb..1834035 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -346,7 +346,9 @@
DRM_MODE_CONNECTOR_Unknown,
DRM_MODE_CONNECTOR_Unknown,
DRM_MODE_CONNECTOR_Unknown,
- DRM_MODE_CONNECTOR_DisplayPort
+ DRM_MODE_CONNECTOR_DisplayPort,
+ DRM_MODE_CONNECTOR_eDP,
+ DRM_MODE_CONNECTOR_Unknown
};
bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
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;
}
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 1fb2f02..0ec491e 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -234,7 +234,7 @@
"INTERNAL_UNIPHY2",
};
-static const char *connector_names[13] = {
+static const char *connector_names[15] = {
"Unknown",
"VGA",
"DVI-I",
@@ -248,6 +248,8 @@
"DisplayPort",
"HDMI-A",
"HDMI-B",
+ "TV",
+ "eDP",
};
static const char *hpd_names[7] = {
@@ -352,7 +354,8 @@
{
int ret = 0;
- if (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
+ if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
+ (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) {
struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
if (dig->dp_i2c_bus)
radeon_connector->edid = drm_get_edid(&radeon_connector->base, &dig->dp_i2c_bus->adapter);
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 844c513..82eb551 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -596,8 +596,10 @@
return ATOM_ENCODER_MODE_LVDS;
break;
case DRM_MODE_CONNECTOR_DisplayPort:
+ case DRM_MODE_CONNECTOR_eDP:
radeon_dig_connector = radeon_connector->con_priv;
- 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 ATOM_ENCODER_MODE_DP;
else if (drm_detect_hdmi_monitor(radeon_connector->edid))
return ATOM_ENCODER_MODE_HDMI;