Merge tag 'topic/mei-hdcp-2019-02-26' of git://anongit.freedesktop.org/drm/drm-intel into char-misc-next

Daniel writes:

mei-hdcp driver

mei driver for the me hdcp client, for use by drm/i915.

Including the following prep work:
- whitelist hdcp client in mei bus
- merge to include char-misc-next
- drm/i915 side of the mei_hdcp/i915 component interface
- component prep work (including one patch touching i915&snd-hda)

* tag 'topic/mei-hdcp-2019-02-26' of git://anongit.freedesktop.org/drm/drm-intel: (23 commits)
  misc/mei/hdcp: Component framework for I915 Interface
  misc/mei/hdcp: Closing wired HDCP2.2 Tx Session
  misc/mei/hdcp: Enabling the HDCP authentication
  misc/mei/hdcp: Verify M_prime
  misc/mei/hdcp: Repeater topology verification and ack
  misc/mei/hdcp: Prepare Session Key
  misc/mei/hdcp: Verify L_prime
  misc/mei/hdcp: Initiate Locality check
  misc/mei/hdcp: Store the HDCP Pairing info
  misc/mei/hdcp: Verify H_prime
  misc/mei/hdcp: Verify Receiver Cert and prepare km
  misc/mei/hdcp: Initiate Wired HDCP2.2 Tx Session
  misc/mei/hdcp: Define ME FW interface for HDCP2.2
  misc/mei/hdcp: Client driver for HDCP application
  mei: bus: whitelist hdcp client
  drm/audio: declaration of struct device
  drm: helper functions for hdcp2 seq_num to from u32
  drm/i915: MEI interface definition
  drm/i915: header for i915 - MEI_HDCP interface
  drm/i915: enum port definition is moved into i915_drm.h
  ...

2 files changed, 6 insertions, 4 deletions

diff --git a/sound/hda/hdac_component.c b/sound/hda/hdac_component.c
index a6d37b9d6413..5c95933e739a 100644
--- a/sound/hda/hdac_component.c
+++ b/sound/hda/hdac_component.c
@@ -269,7 +269,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_acomp_register_notifier);
  */
 int snd_hdac_acomp_init(struct hdac_bus *bus,
 			const struct drm_audio_component_audio_ops *aops,
-			int (*match_master)(struct device *, void *),
+			int (*match_master)(struct device *, int, void *),
 			size_t extra_size)
 {
 	struct component_match *match = NULL;
@@ -288,7 +288,7 @@ int snd_hdac_acomp_init(struct hdac_bus *bus,
 	bus->audio_component = acomp;
 	devres_add(dev, acomp);
 
-	component_match_add(dev, &match, match_master, bus);
+	component_match_add_typed(dev, &match, match_master, bus);
 	ret = component_master_add_with_match(dev, &hdac_component_master_ops,
 					      match);
 	if (ret < 0)
diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c
index 617ff1aa818f..7aee090e3d27 100644
--- a/sound/hda/hdac_i915.c
+++ b/sound/hda/hdac_i915.c
@@ -82,9 +82,11 @@ void snd_hdac_i915_set_bclk(struct hdac_bus *bus)
 }
 EXPORT_SYMBOL_GPL(snd_hdac_i915_set_bclk);
 
-static int i915_component_master_match(struct device *dev, void *data)
+static int i915_component_master_match(struct device *dev, int subcomponent,
+				       void *data)
 {
-	return !strcmp(dev->driver->name, "i915");
+	return !strcmp(dev->driver->name, "i915") &&
+	       subcomponent == I915_COMPONENT_AUDIO;
 }
 
 /* check whether intel graphics is present */