Since DP-specific information is stored in driver's structures, every
driver needs to implement subconnector property by itself.
Signed-off-by: Oleg Vasilev <oleg.vasilev@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_dp.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 4336df46fe78..6436c14d9b41 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5532,6 +5532,7 @@ intel_dp_unset_edid(struct intel_dp *intel_dp)
intel_dp->has_audio = false;
}
+
static int
intel_dp_detect(struct drm_connector *connector,
struct drm_modeset_acquire_ctx *ctx,
@@ -5542,6 +5543,7 @@ intel_dp_detect(struct drm_connector *connector,
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct intel_encoder *encoder = &dig_port->base;
enum drm_connector_status status;
+ enum drm_mode_subconnector subconnector = DRM_MODE_SUBCONNECTOR_Unknown;
DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
connector->base.id, connector->name);
@@ -5633,6 +5635,14 @@ intel_dp_detect(struct drm_connector *connector,
if (status != connector_status_connected && !intel_dp->is_mst)
intel_dp_unset_edid(intel_dp);
+ if (status == connector_status_connected)
+ subconnector = drm_dp_downstream_subconnector_type(
+ intel_dp->dpcd, intel_dp->downstream_ports);
+
+ drm_object_property_set_value(&connector->base,
+ connector->dev->
+ mode_config.dp_subconnector_property,
+ subconnector);
return status;
}
@@ -6529,6 +6539,11 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
struct drm_i915_private *dev_priv = to_i915(connector->dev);
enum port port = dp_to_dig_port(intel_dp)->base.port;
+ drm_mode_create_dp_properties(connector->dev);
+ drm_object_attach_property(&connector->base,
+ connector->dev->mode_config.dp_subconnector_property,
+ DRM_MODE_SUBCONNECTOR_Unknown);
+
if (!IS_G4X(dev_priv) && port != PORT_A)
intel_attach_force_audio_property(connector);
--
2.22.0
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