drm/i915/audio: name the audio sub-struct in drm_i915_private

Add name to the audio sub-struct in drm_i915_private, and remove the
tautologies and other inconsistencies in the member names.

v2: Call the mutex member mutex, not lock. (Ville)

Cc: Dave Airlie <airlied@redhat.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211104161858.21786-2-jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_lpe_audio.c

@@ -74,7 +74,7 @@
 #include "intel_de.h"
 #include "intel_lpe_audio.h"
 
-#define HAS_LPE_AUDIO(dev_priv) ((dev_priv)->lpe_audio.platdev != NULL)
+#define HAS_LPE_AUDIO(dev_priv) ((dev_priv)->audio.lpe.platdev != NULL)
 
 static struct platform_device *
 lpe_audio_platdev_create(struct drm_i915_private *dev_priv)
@@ -96,7 +96,7 @@ lpe_audio_platdev_create(struct drm_i915_private *dev_priv)
 		return ERR_PTR(-ENOMEM);
 	}
 
-	rsc[0].start    = rsc[0].end = dev_priv->lpe_audio.irq;
+	rsc[0].start    = rsc[0].end = dev_priv->audio.lpe.irq;
 	rsc[0].flags    = IORESOURCE_IRQ;
 	rsc[0].name     = "hdmi-lpe-audio-irq";
 
@@ -148,7 +148,7 @@ static void lpe_audio_platdev_destroy(struct drm_i915_private *dev_priv)
 	 * than us fiddle with its internals.
 	 */
 
-	platform_device_unregister(dev_priv->lpe_audio.platdev);
+	platform_device_unregister(dev_priv->audio.lpe.platdev);
 }
 
 static void lpe_audio_irq_unmask(struct irq_data *d)
@@ -167,7 +167,7 @@ static struct irq_chip lpe_audio_irqchip = {
 
 static int lpe_audio_irq_init(struct drm_i915_private *dev_priv)
 {
-	int irq = dev_priv->lpe_audio.irq;
+	int irq = dev_priv->audio.lpe.irq;
 
 	drm_WARN_ON(&dev_priv->drm, !intel_irqs_enabled(dev_priv));
 	irq_set_chip_and_handler_name(irq,
@@ -204,15 +204,15 @@ static int lpe_audio_setup(struct drm_i915_private *dev_priv)
 {
 	int ret;
 
-	dev_priv->lpe_audio.irq = irq_alloc_desc(0);
-	if (dev_priv->lpe_audio.irq < 0) {
+	dev_priv->audio.lpe.irq = irq_alloc_desc(0);
+	if (dev_priv->audio.lpe.irq < 0) {
 		drm_err(&dev_priv->drm, "Failed to allocate IRQ desc: %d\n",
-			dev_priv->lpe_audio.irq);
-		ret = dev_priv->lpe_audio.irq;
+			dev_priv->audio.lpe.irq);
+		ret = dev_priv->audio.lpe.irq;
 		goto err;
 	}
 
-	drm_dbg(&dev_priv->drm, "irq = %d\n", dev_priv->lpe_audio.irq);
+	drm_dbg(&dev_priv->drm, "irq = %d\n", dev_priv->audio.lpe.irq);
 
 	ret = lpe_audio_irq_init(dev_priv);
 
@@ -223,10 +223,10 @@ static int lpe_audio_setup(struct drm_i915_private *dev_priv)
 		goto err_free_irq;
 	}
 
-	dev_priv->lpe_audio.platdev = lpe_audio_platdev_create(dev_priv);
+	dev_priv->audio.lpe.platdev = lpe_audio_platdev_create(dev_priv);
 
-	if (IS_ERR(dev_priv->lpe_audio.platdev)) {
-		ret = PTR_ERR(dev_priv->lpe_audio.platdev);
+	if (IS_ERR(dev_priv->audio.lpe.platdev)) {
+		ret = PTR_ERR(dev_priv->audio.lpe.platdev);
 		drm_err(&dev_priv->drm,
 			"Failed to create lpe audio platform device: %d\n",
 			ret);
@@ -241,10 +241,10 @@ static int lpe_audio_setup(struct drm_i915_private *dev_priv)
 
 	return 0;
 err_free_irq:
-	irq_free_desc(dev_priv->lpe_audio.irq);
+	irq_free_desc(dev_priv->audio.lpe.irq);
 err:
-	dev_priv->lpe_audio.irq = -1;
-	dev_priv->lpe_audio.platdev = NULL;
+	dev_priv->audio.lpe.irq = -1;
+	dev_priv->audio.lpe.platdev = NULL;
 	return ret;
 }
 
@@ -262,7 +262,7 @@ void intel_lpe_audio_irq_handler(struct drm_i915_private *dev_priv)
 	if (!HAS_LPE_AUDIO(dev_priv))
 		return;
 
-	ret = generic_handle_irq(dev_priv->lpe_audio.irq);
+	ret = generic_handle_irq(dev_priv->audio.lpe.irq);
 	if (ret)
 		drm_err_ratelimited(&dev_priv->drm,
 				    "error handling LPE audio irq: %d\n", ret);
@@ -303,10 +303,10 @@ void intel_lpe_audio_teardown(struct drm_i915_private *dev_priv)
 
 	lpe_audio_platdev_destroy(dev_priv);
 
-	irq_free_desc(dev_priv->lpe_audio.irq);
+	irq_free_desc(dev_priv->audio.lpe.irq);
 
-	dev_priv->lpe_audio.irq = -1;
-	dev_priv->lpe_audio.platdev = NULL;
+	dev_priv->audio.lpe.irq = -1;
+	dev_priv->audio.lpe.platdev = NULL;
 }
 
 /**
@@ -333,7 +333,7 @@ void intel_lpe_audio_notify(struct drm_i915_private *dev_priv,
 	if (!HAS_LPE_AUDIO(dev_priv))
 		return;
 
-	pdata = dev_get_platdata(&dev_priv->lpe_audio.platdev->dev);
+	pdata = dev_get_platdata(&dev_priv->audio.lpe.platdev->dev);
 	ppdata = &pdata->port[port - PORT_B];
 
 	spin_lock_irqsave(&pdata->lpe_audio_slock, irqflags);
@@ -361,7 +361,7 @@ void intel_lpe_audio_notify(struct drm_i915_private *dev_priv,
 	}
 
 	if (pdata->notify_audio_lpe)
-		pdata->notify_audio_lpe(dev_priv->lpe_audio.platdev, port - PORT_B);
+		pdata->notify_audio_lpe(dev_priv->audio.lpe.platdev, port - PORT_B);
 
 	spin_unlock_irqrestore(&pdata->lpe_audio_slock, irqflags);
 }

drivers/gpu/drm/i915/i915_drv.c

@@ -324,7 +324,7 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv)
 	mutex_init(&dev_priv->sb_lock);
 	cpu_latency_qos_add_request(&dev_priv->sb_qos, PM_QOS_DEFAULT_VALUE);
 
-	mutex_init(&dev_priv->av_mutex);
+	mutex_init(&dev_priv->audio.mutex);
 	mutex_init(&dev_priv->wm.wm_mutex);
 	mutex_init(&dev_priv->pps_mutex);
 	mutex_init(&dev_priv->hdcp_comp_mutex);

drivers/gpu/drm/i915/i915_drv.h

@@ -1215,27 +1215,25 @@ struct drm_i915_private {
 
 	struct {
 		/* Display internal audio functions */
-		const struct intel_audio_funcs *audio_funcs;
+		const struct intel_audio_funcs *funcs;
 
 		/* hda/i915 audio component */
-		struct i915_audio_component *audio_component;
-		bool audio_component_registered;
-		/**
-		 * av_mutex - mutex for audio/video sync
-		 */
-		struct mutex av_mutex;
-		int audio_power_refcount;
-		u32 audio_freq_cntrl;
+		struct i915_audio_component *component;
+		bool component_registered;
+		/* mutex for audio/video sync */
+		struct mutex mutex;
+		int power_refcount;
+		u32 freq_cntrl;
 
 		/* Used to save the pipe-to-encoder mapping for audio */
-		struct intel_encoder *av_enc_map[I915_MAX_PIPES];
+		struct intel_encoder *encoder_map[I915_MAX_PIPES];
 
 		/* necessary resource sharing with HDMI LPE audio driver. */
 		struct {
 			struct platform_device *platdev;
 			int irq;
-		} lpe_audio;
-	};
+		} lpe;
+	} audio;
 
 	struct i915_pmu pmu;