---

yaml
---
r: 218320
b: refs/heads/master
c: 55b7d6e
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7f36e7edd6c1851ea1f061ddbefb6f820a0575a2
+refs/heads/master: 55b7d6e8c4690047ac001026cb75a47f747db816

trunk/drivers/gpu/drm/i915/intel_hdmi.c

@@ -43,6 +43,8 @@ struct intel_hdmi {
 	int ddc_bus;
 	bool has_hdmi_sink;
 	bool has_audio;
+	int force_audio;
+	struct drm_property *force_audio_property;
 };
 
 static struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder)
@@ -170,6 +172,11 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
 		kfree(edid);
 	}
 
+	if (status == connector_status_connected) {
+		if (intel_hdmi->force_audio)
+			intel_hdmi->has_audio = intel_hdmi->force_audio > 0;
+	}
+
 	return status;
 }
 
@@ -186,6 +193,46 @@ static int intel_hdmi_get_modes(struct drm_connector *connector)
 				   &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter);
 }
 
+static int
+intel_hdmi_set_property(struct drm_connector *connector,
+		      struct drm_property *property,
+		      uint64_t val)
+{
+	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+	int ret;
+
+	ret = drm_connector_property_set_value(connector, property, val);
+	if (ret)
+		return ret;
+
+	if (property == intel_hdmi->force_audio_property) {
+		if (val == intel_hdmi->force_audio)
+			return 0;
+
+		intel_hdmi->force_audio = val;
+
+		if (val > 0 && intel_hdmi->has_audio)
+			return 0;
+		if (val < 0 && !intel_hdmi->has_audio)
+			return 0;
+
+		intel_hdmi->has_audio = val > 0;
+		goto done;
+	}
+
+	return -EINVAL;
+
+done:
+	if (intel_hdmi->base.base.crtc) {
+		struct drm_crtc *crtc = intel_hdmi->base.base.crtc;
+		drm_crtc_helper_set_mode(crtc, &crtc->mode,
+					 crtc->x, crtc->y,
+					 crtc->fb);
+	}
+
+	return 0;
+}
+
 static void intel_hdmi_destroy(struct drm_connector *connector)
 {
 	drm_sysfs_connector_remove(connector);
@@ -205,6 +252,7 @@ static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
 	.dpms = drm_helper_connector_dpms,
 	.detect = intel_hdmi_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
+	.set_property = intel_hdmi_set_property,
 	.destroy = intel_hdmi_destroy,
 };
 
@@ -218,6 +266,20 @@ static const struct drm_encoder_funcs intel_hdmi_enc_funcs = {
 	.destroy = intel_encoder_destroy,
 };
 
+static void
+intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *connector)
+{
+	struct drm_device *dev = connector->dev;
+
+	intel_hdmi->force_audio_property =
+		drm_property_create(dev, DRM_MODE_PROP_RANGE, "force_audio", 2);
+	if (intel_hdmi->force_audio_property) {
+		intel_hdmi->force_audio_property->values[0] = -1;
+		intel_hdmi->force_audio_property->values[1] = 1;
+		drm_connector_attach_property(connector, intel_hdmi->force_audio_property, 0);
+	}
+}
+
 void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -279,6 +341,8 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 
 	drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs);
 
+	intel_hdmi_add_properties(intel_hdmi, connector);
+
 	intel_connector_attach_encoder(intel_connector, intel_encoder);
 	drm_sysfs_connector_add(connector);