[2/4] drm/i915: Call audio hotplug notify function

Commit Message

David Henningsson July 23, 2015, 3:26 p.m. UTC

On HDMI hotplug events, notify the audio driver. This will enable
the audio driver to get the notification at all times (even when
audio is in different powersave states).

Signed-off-by: David Henningsson <[e-mail]>
---
 drivers/gpu/drm/i915/i915_drv.h    |    1 +
 drivers/gpu/drm/i915/intel_audio.c |   23 ++++++++++++++++++++---
 2 files changed, 21 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 542fac6..696624c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1808,6 +1808,7 @@  struct drm_i915_private {
 	struct drm_property *force_audio_property;
 
 	/* hda/i915 audio component */
+	struct i915_audio_component *audio_component;
 	bool audio_component_registered;
 
 	uint32_t hw_context_size;
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 3da9b84..3cc8849 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -399,6 +399,9 @@  void intel_audio_codec_enable(struct intel_encoder *intel_encoder)
 	struct drm_connector *connector;
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct i915_audio_component *acomp = dev_priv->audio_component;
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
+	enum port port = intel_dig_port->port;
 
 	connector = drm_select_eld(encoder, mode);
 	if (!connector)
@@ -419,6 +422,9 @@  void intel_audio_codec_enable(struct intel_encoder *intel_encoder)
 
 	if (dev_priv->display.audio_codec_enable)
 		dev_priv->display.audio_codec_enable(connector, intel_encoder, mode);
+
+	if (acomp && acomp->audio_ops && acomp->audio_ops->hotplug_notify)
+		acomp->audio_ops->hotplug_notify(acomp->audio_ptr, (int) port, 0);
 }
 
 /**
@@ -428,13 +434,20 @@  void intel_audio_codec_enable(struct intel_encoder *intel_encoder)
  * The disable sequences must be performed before disabling the transcoder or
  * port.
  */
-void intel_audio_codec_disable(struct intel_encoder *encoder)
+void intel_audio_codec_disable(struct intel_encoder *intel_encoder)
 {
-	struct drm_device *dev = encoder->base.dev;
+	struct drm_encoder *encoder = &intel_encoder->base;
+	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct i915_audio_component *acomp = dev_priv->audio_component;
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
+	enum port port = intel_dig_port->port;
 
 	if (dev_priv->display.audio_codec_disable)
-		dev_priv->display.audio_codec_disable(encoder);
+		dev_priv->display.audio_codec_disable(intel_encoder);
+
+	if (acomp && acomp->audio_ops && acomp->audio_ops->hotplug_notify)
+		acomp->audio_ops->hotplug_notify(acomp->audio_ptr, (int) port, 0);
 }
 
 /**
@@ -525,12 +538,14 @@  static int i915_audio_component_bind(struct device *i915_dev,
 				     struct device *hda_dev, void *data)
 {
 	struct i915_audio_component *acomp = data;
+	struct drm_i915_private *dev_priv = dev_to_i915(i915_dev);
 
 	if (WARN_ON(acomp->ops || acomp->dev))
 		return -EEXIST;
 
 	acomp->ops = &i915_audio_component_ops;
 	acomp->dev = i915_dev;
+	dev_priv->audio_component = acomp;
 
 	return 0;
 }
@@ -539,9 +554,11 @@  static void i915_audio_component_unbind(struct device *i915_dev,
 					struct device *hda_dev, void *data)
 {
 	struct i915_audio_component *acomp = data;
+	struct drm_i915_private *dev_priv = dev_to_i915(i915_dev);
 
 	acomp->ops = NULL;
 	acomp->dev = NULL;
+	dev_priv->audio_component = NULL;
 }
 
 static const struct component_ops i915_audio_component_bind_ops = {