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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.c119
1 files changed, 115 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 7ab3c501b4d..cfa2ebb259f 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -40,6 +40,26 @@ radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
struct drm_encoder *encoder,
bool connected);
+void radeon_connector_hotplug(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+
+ 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 (radeon_dp_needs_link_train(radeon_connector)) {
+ if (connector->encoder)
+ dp_link_train(connector->encoder, connector);
+ }
+ }
+ }
+
+}
+
static void radeon_property_change_mode(struct drm_encoder *encoder)
{
struct drm_crtc *crtc = encoder->crtc;
@@ -896,6 +916,91 @@ struct drm_connector_funcs radeon_dvi_connector_funcs = {
.force = radeon_dvi_force,
};
+static void radeon_dp_connector_destroy(struct drm_connector *connector)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
+
+ if (radeon_connector->ddc_bus)
+ radeon_i2c_destroy(radeon_connector->ddc_bus);
+ if (radeon_connector->edid)
+ kfree(radeon_connector->edid);
+ if (radeon_dig_connector->dp_i2c_bus)
+ radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
+ kfree(radeon_connector->con_priv);
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+static int radeon_dp_get_modes(struct drm_connector *connector)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ int ret;
+
+ ret = radeon_ddc_get_modes(radeon_connector);
+ return ret;
+}
+
+static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ enum drm_connector_status ret = connector_status_disconnected;
+ struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
+ u8 sink_type;
+
+ if (radeon_connector->edid) {
+ kfree(radeon_connector->edid);
+ radeon_connector->edid = NULL;
+ }
+
+ sink_type = radeon_dp_getsinktype(radeon_connector);
+ if (sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
+ if (radeon_dp_getdpcd(radeon_connector)) {
+ radeon_dig_connector->dp_sink_type = sink_type;
+ ret = connector_status_connected;
+ }
+ } else {
+ radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
+ if (radeon_ddc_probe(radeon_connector)) {
+ radeon_dig_connector->dp_sink_type = sink_type;
+ ret = connector_status_connected;
+ }
+ radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
+ }
+
+ return ret;
+}
+
+static int radeon_dp_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
+
+ /* XXX check mode bandwidth */
+
+ if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
+ return radeon_dp_mode_valid_helper(radeon_connector, mode);
+ else
+ return MODE_OK;
+}
+
+struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
+ .get_modes = radeon_dp_get_modes,
+ .mode_valid = radeon_dp_mode_valid,
+ .best_encoder = radeon_dvi_encoder,
+};
+
+struct drm_connector_funcs radeon_dp_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = radeon_dp_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = radeon_connector_set_property,
+ .destroy = radeon_dp_connector_destroy,
+ .force = radeon_dvi_force,
+};
+
void
radeon_add_atom_connector(struct drm_device *dev,
uint32_t connector_id,
@@ -904,7 +1009,8 @@ radeon_add_atom_connector(struct drm_device *dev,
struct radeon_i2c_bus_rec *i2c_bus,
bool linkb,
uint32_t igp_lane_info,
- uint16_t connector_object_id)
+ uint16_t connector_object_id,
+ struct radeon_hpd *hpd)
{
struct radeon_device *rdev = dev->dev_private;
struct drm_connector *connector;
@@ -944,6 +1050,7 @@ radeon_add_atom_connector(struct drm_device *dev,
radeon_connector->devices = supported_device;
radeon_connector->shared_ddc = shared_ddc;
radeon_connector->connector_object_id = connector_object_id;
+ radeon_connector->hpd = *hpd;
switch (connector_type) {
case DRM_MODE_CONNECTOR_VGA:
drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
@@ -1030,10 +1137,12 @@ radeon_add_atom_connector(struct drm_device *dev,
radeon_dig_connector->linkb = linkb;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
- drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
- ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
+ drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
+ ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
if (ret)
goto failed;
+ /* add DP i2c bus */
+ radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
if (i2c_bus->valid) {
radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
if (!radeon_connector->ddc_bus)
@@ -1099,7 +1208,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
uint32_t supported_device,
int connector_type,
struct radeon_i2c_bus_rec *i2c_bus,
- uint16_t connector_object_id)
+ uint16_t connector_object_id,
+ struct radeon_hpd *hpd)
{
struct radeon_device *rdev = dev->dev_private;
struct drm_connector *connector;
@@ -1129,6 +1239,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
radeon_connector->connector_id = connector_id;
radeon_connector->devices = supported_device;
radeon_connector->connector_object_id = connector_object_id;
+ radeon_connector->hpd = *hpd;
switch (connector_type) {
case DRM_MODE_CONNECTOR_VGA:
drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-31 19:09:31 +0000