openwrt/target/linux/bcm27xx/patches-5.4/950-0579-drm-vc4-hdmi-Remove-vc4_hdmi_connector.patch

From 6fdf2c94a028e04e1e20791aae5e0adaf905df77 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Mon, 6 Jan 2020 18:57:16 +0100
Subject: [PATCH] drm/vc4: hdmi: Remove vc4_hdmi_connector

The vc4_hdmi_connector was only used to switch between drm_connector to
drm_encoder. However, we can now use vc4_hdmi to do the switch, so that
structure is redundant.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 19 ++++++++-----------
 drivers/gpu/drm/vc4/vc4_hdmi.h | 23 ++---------------------
 2 files changed, 10 insertions(+), 32 deletions(-)

--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -188,13 +188,10 @@ static const struct drm_connector_helper
 static int vc4_hdmi_connector_init(struct drm_device *dev,
 				   struct vc4_hdmi *vc4_hdmi)
 {
-	struct vc4_hdmi_connector *hdmi_connector = &vc4_hdmi->connector;
-	struct drm_connector *connector = &hdmi_connector->base;
+	struct drm_connector *connector = &vc4_hdmi->connector;
 	struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
 	int ret;
 
-	hdmi_connector->encoder = encoder;
-
 	drm_connector_init(dev, connector, &vc4_hdmi_connector_funcs,
 			   DRM_MODE_CONNECTOR_HDMIA);
 	drm_connector_helper_add(connector, &vc4_hdmi_connector_helper_funcs);
@@ -290,7 +287,7 @@ static void vc4_hdmi_set_avi_infoframe(s
 {
 	struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
 	struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
-	struct drm_connector *connector = &vc4_hdmi->connector.base;
+	struct drm_connector *connector = &vc4_hdmi->connector;
 	struct drm_connector_state *cstate = connector->state;
 	struct drm_crtc *crtc = encoder->crtc;
 	const struct drm_display_mode *mode = &crtc->state->adjusted_mode;
@@ -672,7 +669,7 @@ static int vc4_hdmi_audio_startup(struct
 {
 	struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
 	struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
-	struct drm_connector *connector = &vc4_hdmi->connector.base;
+	struct drm_connector *connector = &vc4_hdmi->connector;
 	int ret;
 
 	if (vc4_hdmi->audio.substream && vc4_hdmi->audio.substream != substream)
@@ -846,7 +843,7 @@ static int vc4_hdmi_audio_eld_ctl_info(s
 {
 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 	struct vc4_hdmi *vc4_hdmi = snd_component_to_hdmi(component);
-	struct drm_connector *connector = &vc4_hdmi->connector.base;
+	struct drm_connector *connector = &vc4_hdmi->connector;
 
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 	uinfo->count = sizeof(connector->eld);
@@ -859,7 +856,7 @@ static int vc4_hdmi_audio_eld_ctl_get(st
 {
 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 	struct vc4_hdmi *vc4_hdmi = snd_component_to_hdmi(component);
-	struct drm_connector *connector = &vc4_hdmi->connector.base;
+	struct drm_connector *connector = &vc4_hdmi->connector;
 
 	memcpy(ucontrol->value.bytes.data, connector->eld,
 	       sizeof(connector->eld));
@@ -1314,7 +1311,7 @@ static int vc4_hdmi_bind(struct device *
 	if (ret < 0)
 		goto err_destroy_conn;
 
-	cec_fill_conn_info_from_drm(&conn_info, &vc4_hdmi->connector.base);
+	cec_fill_conn_info_from_drm(&conn_info, &vc4_hdmi->connector);
 	cec_s_conn_info(vc4_hdmi->cec_adap, &conn_info);
 
 	HDMI_WRITE(VC4_HDMI_CPU_MASK_SET, 0xffffffff);
@@ -1351,7 +1348,7 @@ static int vc4_hdmi_bind(struct device *
 err_delete_cec_adap:
 	cec_delete_adapter(vc4_hdmi->cec_adap);
 err_destroy_conn:
-	vc4_hdmi_connector_destroy(&vc4_hdmi->connector.base);
+	vc4_hdmi_connector_destroy(&vc4_hdmi->connector);
 #endif
 err_destroy_encoder:
 	vc4_hdmi_encoder_destroy(encoder);
@@ -1375,7 +1372,7 @@ static void vc4_hdmi_unbind(struct devic
 	struct vc4_hdmi *vc4_hdmi = snd_soc_card_get_drvdata(card);
 
 	cec_unregister_adapter(vc4_hdmi->cec_adap);
-	vc4_hdmi_connector_destroy(&vc4_hdmi->connector.base);
+	vc4_hdmi_connector_destroy(&vc4_hdmi->connector);
 	vc4_hdmi_encoder_destroy(&vc4_hdmi->encoder.base.base);
 
 	clk_disable_unprepare(vc4_hdmi->hsm_clock);
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
@@ -21,23 +21,6 @@ to_vc4_hdmi_encoder(struct drm_encoder *
 	return container_of(encoder, struct vc4_hdmi_encoder, base.base);
 }
 
-/* VC4 HDMI connector KMS struct */
-struct vc4_hdmi_connector {
-	struct drm_connector base;
-
-	/* Since the connector is attached to just the one encoder,
-	 * this is the reference to it so we can do the best_encoder()
-	 * hook.
-	 */
-	struct drm_encoder *encoder;
-};
-
-static inline struct vc4_hdmi_connector *
-to_vc4_hdmi_connector(struct drm_connector *connector)
-{
-	return container_of(connector, struct vc4_hdmi_connector, base);
-}
-
 /* HDMI audio information */
 struct vc4_hdmi_audio {
 	struct snd_soc_card card;
@@ -56,7 +39,7 @@ struct vc4_hdmi {
 	struct platform_device *pdev;
 
 	struct vc4_hdmi_encoder encoder;
-	struct vc4_hdmi_connector connector;
+	struct drm_connector connector;
 
 	struct vc4_hdmi_audio audio;
 
@@ -81,9 +64,7 @@ struct vc4_hdmi {
 static inline struct vc4_hdmi *
 connector_to_vc4_hdmi(struct drm_connector *connector)
 {
-	struct vc4_hdmi_connector *_connector = to_vc4_hdmi_connector(connector);
-
-	return container_of(_connector, struct vc4_hdmi, connector);
+	return container_of(connector, struct vc4_hdmi, connector);
 }
 
 static inline struct vc4_hdmi *