path: root/target/linux/layerscape/patches-5.4/805-display-0010-drm-bridge-cadence-move-struct-imx_mhdp_device-to-dr.patch

From fe1824851dd6f7d3ee6d5411edba4102dacea873 Mon Sep 17 00:00:00 2001
From: Sandor Yu <Sandor.yu@nxp.com>
Date: Wed, 11 Sep 2019 17:16:47 +0800
Subject: [PATCH] drm: bridge: cadence: move struct imx_mhdp_device to drm/imx

move struct imx_mhdp_device to drm/imx folder.
change the base address name from regs to regs_base.
add mhdp bus access function.
uniform variable name.

Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
---
 drivers/gpu/drm/bridge/cadence/cdns-dp-core.c     | 188 ++++++++++-----------
 drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c   | 190 ++++++++++------------
 drivers/gpu/drm/bridge/cadence/cdns-mhdp-audio.c  |   1 -
 drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c    |   2 +-
 drivers/gpu/drm/bridge/cadence/cdns-mhdp-common.c |  43 ++---
 drivers/gpu/drm/bridge/cadence/cdns-mhdp-hdmi.c   |   1 -
 include/drm/bridge/cdns-mhdp-common.h             |  67 +++++++-
 include/drm/bridge/cdns-mhdp-imx.h                | 121 --------------
 8 files changed, 258 insertions(+), 355 deletions(-)
 delete mode 100644 include/drm/bridge/cdns-mhdp-imx.h

--- a/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c
@@ -9,8 +9,7 @@
  * (at your option) any later version.
  *
  */
-
-#include <drm/bridge/cdns-mhdp-imx.h>
+#include <drm/bridge/cdns-mhdp-common.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_edid.h>
@@ -25,8 +24,6 @@
 #include <linux/mutex.h>
 #include <linux/of_device.h>
 
-#define aux_to_hdp(x) container_of(x, struct imx_mhdp_device, aux)
-
 /*
  * This function only implements native DPDC reads and writes
  */
@@ -111,24 +108,24 @@ static void dp_pixel_clk_reset(struct cd
 	cdns_mhdp_reg_write(mhdp, SOURCE_HDTX_CAR, val);
 }
 
-static void cdns_dp_mode_set(struct imx_mhdp_device *dp,
+static void cdns_dp_mode_set(struct cdns_mhdp_device *mhdp,
 			const struct drm_display_mode *mode)
 {
 	struct drm_dp_link link;
-	struct cdns_mhdp_device *mhdp = &dp->mhdp;
 	u32 lane_mapping = mhdp->lane_mapping;
 	int ret;
 	char linkid[6];
 
 	memcpy(&mhdp->mode, mode, sizeof(struct drm_display_mode));
 
-	dp->dual_mode = video_is_dual_mode(mode);
+	//Sandor TODO
+//	mhdp->dual_mode = video_is_dual_mode(mode);
 
 	dp_pixel_clk_reset(mhdp);
 
-	hdp_plat_call(dp, pclock_change);
+	cdns_mhdp_plat_call(mhdp, pclk_rate);
 
-	hdp_plat_call(dp, phy_init);
+	cdns_mhdp_plat_call(mhdp, phy_set);
 
 	ret = drm_dp_downstream_id(&mhdp->dp.aux, linkid);
 	if (ret < 0) {
@@ -168,7 +165,7 @@ static void cdns_dp_mode_set(struct imx_
 	/* initialize phy if lanes or link rate differnt */
 	if (mhdp->dp.link.num_lanes != mhdp->dp.num_lanes ||
 			mhdp->dp.link.rate != mhdp->dp.link_rate)
-		hdp_plat_call(dp, phy_init);
+		cdns_mhdp_plat_call(mhdp, phy_set);
 
 	/* Video off */
 	ret = cdns_mhdp_set_video_status(mhdp, CONTROL_VIDEO_IDLE);
@@ -215,11 +212,11 @@ static void cdns_dp_mode_set(struct imx_
 static enum drm_connector_status
 cdns_dp_connector_detect(struct drm_connector *connector, bool force)
 {
-	struct imx_mhdp_device *dp = container_of(connector,
-					struct imx_mhdp_device, mhdp.connector.base);
+	struct cdns_mhdp_device *mhdp = container_of(connector,
+					struct cdns_mhdp_device, connector.base);
 	u8 hpd = 0xf;
 
-	hpd = cdns_mhdp_read_hpd(&dp->mhdp);
+	hpd = cdns_mhdp_read_hpd(mhdp);
 	if (hpd == 1)
 		/* Cable Connected */
 		return connector_status_connected;
@@ -235,15 +232,15 @@ cdns_dp_connector_detect(struct drm_conn
 
 static int cdns_dp_connector_get_modes(struct drm_connector *connector)
 {
-	struct imx_mhdp_device *dp = container_of(connector,
-						struct imx_mhdp_device, mhdp.connector.base);
+	struct cdns_mhdp_device *mhdp = container_of(connector,
+					struct cdns_mhdp_device, connector.base);
 	int num_modes = 0;
 	struct edid *edid;
 
-	edid = drm_do_get_edid(&dp->mhdp.connector.base,
-				   cdns_mhdp_get_edid_block, &dp->mhdp);
+	edid = drm_do_get_edid(&mhdp->connector.base,
+				   cdns_mhdp_get_edid_block, mhdp);
 	if (edid) {
-		dev_info(dp->mhdp.dev, "%x,%x,%x,%x,%x,%x,%x,%x\n",
+		dev_info(mhdp->dev, "%x,%x,%x,%x,%x,%x,%x,%x\n",
 			 edid->header[0], edid->header[1],
 			 edid->header[2], edid->header[3],
 			 edid->header[4], edid->header[5],
@@ -273,9 +270,9 @@ static const struct drm_connector_helper
 
 static int cdns_dp_bridge_attach(struct drm_bridge *bridge)
 {
-	struct imx_mhdp_device *dp = bridge->driver_private;
+	struct cdns_mhdp_device *mhdp = bridge->driver_private;
 	struct drm_encoder *encoder = bridge->encoder;
-	struct drm_connector *connector = &dp->mhdp.connector.base;
+	struct drm_connector *connector = &mhdp->connector.base;
 
 	connector->interlace_allowed = 1;
 	connector->polled = DRM_CONNECTOR_POLL_HPD;
@@ -319,9 +316,9 @@ static void cdns_dp_bridge_mode_set(stru
 				    const struct drm_display_mode *orig_mode,
 				    const struct drm_display_mode *mode)
 {
-	struct imx_mhdp_device *dp = bridge->driver_private;
-	struct drm_display_info *display_info = &dp->mhdp.connector.base.display_info;
-	struct video_info *video = &dp->mhdp.video_info;
+	struct cdns_mhdp_device *mhdp = bridge->driver_private;
+	struct drm_display_info *display_info = &mhdp->connector.base.display_info;
+	struct video_info *video = &mhdp->video_info;
 
 	switch (display_info->bpc) {
 	case 10:
@@ -341,11 +338,11 @@ static void cdns_dp_bridge_mode_set(stru
 
 	DRM_INFO("Mode: %dx%dp%d\n", mode->hdisplay, mode->vdisplay, mode->clock); 
 
-	mutex_lock(&dp->lock);
+	mutex_lock(&mhdp->lock);
 
-	cdns_dp_mode_set(dp, mode);
+	cdns_dp_mode_set(mhdp, mode);
 
-	mutex_unlock(&dp->lock);
+	mutex_unlock(&mhdp->lock);
 }
 
 static void cdn_hdp_bridge_enable(struct drm_bridge *bridge)
@@ -354,8 +351,7 @@ static void cdn_hdp_bridge_enable(struct
 
 static void cdn_hdp_bridge_disable(struct drm_bridge *bridge)
 {	
-	struct imx_mhdp_device *dp = bridge->driver_private;
-	struct cdns_mhdp_device *mhdp = &dp->mhdp;
+	struct cdns_mhdp_device *mhdp = bridge->driver_private;
 
 	cdns_mhdp_set_video_status(mhdp, CONTROL_VIDEO_IDLE);
 	drm_dp_link_power_down(&mhdp->dp.aux, &mhdp->dp.link);
@@ -371,29 +367,29 @@ static const struct drm_bridge_funcs cdn
 
 static void hotplug_work_func(struct work_struct *work)
 {
-	struct imx_mhdp_device *dp = container_of(work,
-					   struct imx_mhdp_device, hotplug_work.work);
-	struct drm_connector *connector = &dp->mhdp.connector.base;
+	struct cdns_mhdp_device *mhdp = container_of(work,
+					   struct cdns_mhdp_device, hotplug_work.work);
+	struct drm_connector *connector = &mhdp->connector.base;
 
 	drm_helper_hpd_irq_event(connector->dev);
 
 	if (connector->status == connector_status_connected) {
 		DRM_INFO("HDMI/DP Cable Plug In\n");
-		enable_irq(dp->irq[IRQ_OUT]);
+		enable_irq(mhdp->irq[IRQ_OUT]);
 	} else if (connector->status == connector_status_disconnected) {
 		/* Cable Disconnedted  */
 		DRM_INFO("HDMI/DP Cable Plug Out\n");
-		enable_irq(dp->irq[IRQ_IN]);
+		enable_irq(mhdp->irq[IRQ_IN]);
 	}
 }
 
 static irqreturn_t cdns_dp_irq_thread(int irq, void *data)
 {
-	struct imx_mhdp_device *dp = data;
+	struct cdns_mhdp_device *mhdp = data;
 
 	disable_irq_nosync(irq);
 
-	mod_delayed_work(system_wq, &dp->hotplug_work,
+	mod_delayed_work(system_wq, &mhdp->hotplug_work,
 			msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
 
 	return IRQ_HANDLED;
@@ -430,111 +426,92 @@ static void cdns_dp_parse_dt(struct cdns
 	mhdp->dp.link.rate= mhdp->dp.link_rate;
 }
 
-static struct imx_mhdp_device *
-__cdns_dp_probe(struct platform_device *pdev,
-		const struct cdn_plat_data *plat_data)
+static int __cdns_dp_probe(struct platform_device *pdev,
+		struct cdns_mhdp_device *mhdp)
 {
 	struct device *dev = &pdev->dev;
-	struct imx_mhdp_device *dp;
 	struct resource *iores = NULL;
 	int ret;
 
-	dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);
-	if (!dp)
-		return ERR_PTR(-ENOMEM);
-
-	dp->plat_data = plat_data;
-	dp->mhdp.dev = dev;
-
-	mutex_init(&dp->lock);
-	mutex_init(&dp->audio_mutex);
-	spin_lock_init(&dp->audio_lock);
+	mutex_init(&mhdp->lock);
 
-	INIT_DELAYED_WORK(&dp->hotplug_work, hotplug_work_func);
+	INIT_DELAYED_WORK(&mhdp->hotplug_work, hotplug_work_func);
 
 	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dp->mhdp.regs = devm_ioremap(dev, iores->start, resource_size(iores));
-	if (IS_ERR(dp->mhdp.regs)) {
-		ret = PTR_ERR(dp->mhdp.regs);
-		goto err_out;
-	}
+	mhdp->regs_base = devm_ioremap(dev, iores->start, resource_size(iores));
+	if (IS_ERR(mhdp->regs_base))
+		return -ENOMEM;
 
-#if 0
 	iores = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	dp->regs_ss = devm_ioremap(dev, iores->start, resource_size(iores));
-	if (IS_ERR(dp->regs_ss)) {
-		ret = PTR_ERR(dp->regs_ss);
-		goto err_out;
-	}
-#endif
+	mhdp->regs_sec = devm_ioremap(dev, iores->start, resource_size(iores));
+	if (IS_ERR(mhdp->regs_sec))
+		return -ENOMEM;
 
-	dp->irq[IRQ_IN] = platform_get_irq_byname(pdev, "plug_in");
-	if (dp->irq[IRQ_IN] < 0)
+	mhdp->irq[IRQ_IN] = platform_get_irq_byname(pdev, "plug_in");
+	if (mhdp->irq[IRQ_IN] < 0)
 		dev_info(dev, "No plug_in irq number\n");
 
-	dp->irq[IRQ_OUT] = platform_get_irq_byname(pdev, "plug_out");
-	if (dp->irq[IRQ_OUT] < 0)
+	mhdp->irq[IRQ_OUT] = platform_get_irq_byname(pdev, "plug_out");
+	if (mhdp->irq[IRQ_OUT] < 0)
 		dev_info(dev, "No plug_out irq number\n");
 
-	cdns_dp_parse_dt(&dp->mhdp);
+	cdns_dp_parse_dt(mhdp);
 
-	dp->dual_mode = false;
-	hdp_plat_call(dp, fw_init);
+//	mhdp->dual_mode = false;
+	cdns_mhdp_plat_call(mhdp, firmware_init);
 
 	/* DP FW alive check */
-	ret = cdns_mhdp_check_alive(&dp->mhdp);
+	ret = cdns_mhdp_check_alive(mhdp);
 	if (ret == false) {
 		DRM_ERROR("NO dp FW running\n");
-		return ERR_PTR(-ENXIO);
+		return -ENXIO;
 	}
 
 	/* DP PHY init before AUX init */
-	hdp_plat_call(dp, phy_init);
+	cdns_mhdp_plat_call(mhdp, phy_set);
 
 	/* Enable Hotplug Detect IRQ thread */
-	irq_set_status_flags(dp->irq[IRQ_IN], IRQ_NOAUTOEN);
-	ret = devm_request_threaded_irq(dev, dp->irq[IRQ_IN],
+	irq_set_status_flags(mhdp->irq[IRQ_IN], IRQ_NOAUTOEN);
+	ret = devm_request_threaded_irq(dev, mhdp->irq[IRQ_IN],
 					NULL, cdns_dp_irq_thread,
 					IRQF_ONESHOT, dev_name(dev),
-					dp);
+					mhdp);
 	if (ret) {
 		dev_err(dev, "can't claim irq %d\n",
-						dp->irq[IRQ_IN]);
-		goto err_out;
+						mhdp->irq[IRQ_IN]);
+		return -EINVAL;
 	}
 	
-	irq_set_status_flags(dp->irq[IRQ_OUT], IRQ_NOAUTOEN);
-	ret = devm_request_threaded_irq(dev, dp->irq[IRQ_OUT],
+	irq_set_status_flags(mhdp->irq[IRQ_OUT], IRQ_NOAUTOEN);
+	ret = devm_request_threaded_irq(dev, mhdp->irq[IRQ_OUT],
 					NULL, cdns_dp_irq_thread,
 					IRQF_ONESHOT, dev_name(dev),
-					dp);
+					mhdp);
 	if (ret) {
 		dev_err(dev, "can't claim irq %d\n",
-						dp->irq[IRQ_OUT]);
-		goto err_out;
+						mhdp->irq[IRQ_OUT]);
+		return -EINVAL;
 	}
-	if (cdns_mhdp_read_hpd(&dp->mhdp))
-		enable_irq(dp->irq[IRQ_OUT]);
+
+	if (cdns_mhdp_read_hpd(mhdp))
+		enable_irq(mhdp->irq[IRQ_OUT]);
 	else
-		enable_irq(dp->irq[IRQ_IN]);
+		enable_irq(mhdp->irq[IRQ_IN]);
 
-	dp->mhdp.bridge.base.driver_private = dp;
-	dp->mhdp.bridge.base.funcs = &cdns_dp_bridge_funcs;
+	mhdp->bridge.base.driver_private = mhdp;
+	mhdp->bridge.base.funcs = &cdns_dp_bridge_funcs;
 #ifdef CONFIG_OF
-	dp->mhdp.bridge.base.of_node = dev->of_node;
+	mhdp->bridge.base.of_node = dev->of_node;
 #endif
 
-	dev_set_drvdata(dev, &dp->mhdp);
+	dev_set_drvdata(dev, mhdp);
 	
 	/* register audio driver */
 	cdns_mhdp_register_audio_driver(dev);
 
-	dp_aux_init(&dp->mhdp, dev);
-
-	return dp;
+	dp_aux_init(mhdp, dev);
 
-err_out:
-	return ERR_PTR(ret);
+	return 0;
 }
 
 static void __cdns_dp_remove(struct cdns_mhdp_device *mhdp)
@@ -547,15 +524,15 @@ static void __cdns_dp_remove(struct cdns
  * Probe/remove API, used from platforms based on the DRM bridge API.
  */
 int cdns_dp_probe(struct platform_device *pdev,
-		  const struct cdn_plat_data *plat_data)
+		  struct cdns_mhdp_device *mhdp)
 {
-	struct imx_mhdp_device *dp;
+	int ret;
 
-	dp = __cdns_dp_probe(pdev, plat_data);
-	if (IS_ERR(dp))
-		return PTR_ERR(dp);
+	ret = __cdns_dp_probe(pdev, mhdp);
+	if (ret)
+		return ret;
 
-	drm_bridge_add(&dp->mhdp.bridge.base);
+	drm_bridge_add(&mhdp->bridge.base);
 
 	return 0;
 }
@@ -575,16 +552,15 @@ EXPORT_SYMBOL_GPL(cdns_dp_remove);
  * Bind/unbind API, used from platforms based on the component framework.
  */
 int cdns_dp_bind(struct platform_device *pdev, struct drm_encoder *encoder,
-		 const struct cdn_plat_data *plat_data)
+		struct cdns_mhdp_device *mhdp)
 {
-	struct imx_mhdp_device *dp;
 	int ret;
 
-	dp = __cdns_dp_probe(pdev, plat_data);
-	if (IS_ERR(dp))
-		return PTR_ERR(dp);
+	ret = __cdns_dp_probe(pdev, mhdp);
+	if (ret < 0)
+		return ret;
 
-	ret = drm_bridge_attach(encoder, &dp->mhdp.bridge.base, NULL);
+	ret = drm_bridge_attach(encoder, &mhdp->bridge.base, NULL);
 	if (ret) {
 		cdns_dp_remove(pdev);
 		DRM_ERROR("Failed to initialize bridge with drm\n");
--- a/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c
@@ -9,7 +9,7 @@
  * (at your option) any later version.
  *
  */
-#include <drm/bridge/cdns-mhdp-imx.h>
+#include <drm/bridge/cdns-mhdp-common.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_edid.h>
@@ -60,8 +60,6 @@ static int hdmi_sink_config(struct cdns_
 static void hdmi_lanes_config(struct cdns_mhdp_device *mhdp)
 {
 	/* Line swaping */
-	/* For imx8qm lane_mapping = 0x93
-	 * For imx8mq lane_mapping = 0xe4*/
 	cdns_mhdp_reg_write(mhdp, LANES_CONFIG, 0x00400000 | mhdp->lane_mapping);
 }
 
@@ -216,12 +214,12 @@ void cdns_hdmi_mode_set(struct cdns_mhdp
 static enum drm_connector_status
 cdns_hdmi_connector_detect(struct drm_connector *connector, bool force)
 {
-	struct imx_mhdp_device *hdmi =
-				container_of(connector, struct imx_mhdp_device, mhdp.connector.base);
+	struct cdns_mhdp_device *mhdp =
+				container_of(connector, struct cdns_mhdp_device, connector.base);
 
 	u8 hpd = 0xf;
 
-	hpd = cdns_mhdp_read_hpd(&hdmi->mhdp);
+	hpd = cdns_mhdp_read_hpd(mhdp);
 
 	if (hpd == 1)
 		/* Cable Connected */
@@ -238,15 +236,15 @@ cdns_hdmi_connector_detect(struct drm_co
 
 static int cdns_hdmi_connector_get_modes(struct drm_connector *connector)
 {
-	struct imx_mhdp_device *hdmi = container_of(connector, struct imx_mhdp_device,
-					     mhdp.connector.base);
+	struct cdns_mhdp_device *mhdp =
+				container_of(connector, struct cdns_mhdp_device, connector.base);
 	int num_modes = 0;
 	struct edid *edid;
 
-	edid = drm_do_get_edid(&hdmi->mhdp.connector.base,
-				   cdns_hdmi_get_edid_block, &hdmi->mhdp);
+	edid = drm_do_get_edid(&mhdp->connector.base,
+				   cdns_hdmi_get_edid_block, mhdp);
 	if (edid) {
-		dev_info(hdmi->mhdp.dev, "%x,%x,%x,%x,%x,%x,%x,%x\n",
+		dev_info(mhdp->dev, "%x,%x,%x,%x,%x,%x,%x,%x\n",
 			 edid->header[0], edid->header[1],
 			 edid->header[2], edid->header[3],
 			 edid->header[4], edid->header[5],
@@ -276,9 +274,9 @@ static const struct drm_connector_helper
 
 static int cdns_hdmi_bridge_attach(struct drm_bridge *bridge)
 {
-	struct imx_mhdp_device *hdmi = bridge->driver_private;
+	struct cdns_mhdp_device *mhdp = bridge->driver_private;
 	struct drm_encoder *encoder = bridge->encoder;
-	struct drm_connector *connector = &hdmi->mhdp.connector.base;
+	struct drm_connector *connector = &mhdp->connector.base;
 
 	connector->interlace_allowed = 1;
 	connector->polled = DRM_CONNECTOR_POLL_HPD;
@@ -319,9 +317,9 @@ static void cdns_hdmi_bridge_mode_set(st
 				    const struct drm_display_mode *orig_mode,
 				    const struct drm_display_mode *mode)
 {
-	struct imx_mhdp_device *hdmi = bridge->driver_private;
-	struct drm_display_info *display_info = &hdmi->mhdp.connector.base.display_info;
-	struct video_info *video = &hdmi->mhdp.video_info;
+	struct cdns_mhdp_device *mhdp = bridge->driver_private;
+	struct drm_display_info *display_info = &mhdp->connector.base.display_info;
+	struct video_info *video = &mhdp->video_info;
 
 	switch (display_info->bpc) {
 	case 10:
@@ -339,23 +337,24 @@ static void cdns_hdmi_bridge_mode_set(st
 	video->v_sync_polarity = !!(mode->flags & DRM_MODE_FLAG_NVSYNC);
 	video->h_sync_polarity = !!(mode->flags & DRM_MODE_FLAG_NHSYNC);
 
-	mutex_lock(&hdmi->lock);
+	mutex_lock(&mhdp->lock);
 
 	DRM_INFO("Mode: %dx%dp%d\n", mode->hdisplay, mode->vdisplay, mode->clock); 
 
-	memcpy(&hdmi->mhdp.mode, mode, sizeof(struct drm_display_mode));
+	memcpy(&mhdp->mode, mode, sizeof(struct drm_display_mode));
 
-	hdmi->dual_mode = video_is_dual_mode(mode);
+	//Sandor TODO
+//	hdmi->dual_mode = video_is_dual_mode(mode);
 
-	hdmi_lanes_config(&hdmi->mhdp);
+	hdmi_lanes_config(mhdp);
 
-	hdp_plat_call(hdmi, pclock_change);
+	cdns_mhdp_plat_call(mhdp, pclk_rate);
 
-	hdp_plat_call(hdmi, phy_init);
+	cdns_mhdp_plat_call(mhdp, phy_set);
 
-	cdns_hdmi_mode_set(&hdmi->mhdp);
+	cdns_hdmi_mode_set(mhdp);
 
-	mutex_unlock(&hdmi->lock);
+	mutex_unlock(&mhdp->lock);
 }
 
 static const struct drm_bridge_funcs cdns_hdmi_bridge_funcs = {
@@ -366,30 +365,30 @@ static const struct drm_bridge_funcs cdn
 
 static void hotplug_work_func(struct work_struct *work)
 {
-	struct imx_mhdp_device *hdmi = container_of(work,
-					   struct imx_mhdp_device, hotplug_work.work);
-	struct drm_connector *connector = &hdmi->mhdp.connector.base;
+	struct cdns_mhdp_device *mhdp = container_of(work,
+					   struct cdns_mhdp_device, hotplug_work.work);
+	struct drm_connector *connector = &mhdp->connector.base;
 
 	drm_helper_hpd_irq_event(connector->dev);
 
 	if (connector->status == connector_status_connected) {
 		/* Cable Connected */
 		DRM_INFO("HDMI Cable Plug In\n");
-		enable_irq(hdmi->irq[IRQ_OUT]);
+		enable_irq(mhdp->irq[IRQ_OUT]);
 	} else if (connector->status == connector_status_disconnected) {
 		/* Cable Disconnedted  */
 		DRM_INFO("HDMI Cable Plug Out\n");
-		enable_irq(hdmi->irq[IRQ_IN]);
+		enable_irq(mhdp->irq[IRQ_IN]);
 	}
 }
 
 static irqreturn_t cdns_hdmi_irq_thread(int irq, void *data)
 {
-	struct imx_mhdp_device *hdmi = data;
+	struct cdns_mhdp_device *mhdp = data;
 
 	disable_irq_nosync(irq);
 
-	mod_delayed_work(system_wq, &hdmi->hotplug_work,
+	mod_delayed_work(system_wq, &mhdp->hotplug_work,
 			msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
 
 	return IRQ_HANDLED;
@@ -408,109 +407,99 @@ static void cdns_hdmi_parse_dt(struct cd
 	dev_info(mhdp->dev, "lane-mapping 0x%02x\n", mhdp->lane_mapping);
 }
 
-static struct imx_mhdp_device *
-__cdns_hdmi_probe(struct platform_device *pdev,
-			const struct cdn_plat_data *plat_data)
+static int __cdns_hdmi_probe(struct platform_device *pdev,
+		  struct cdns_mhdp_device *mhdp)
 {
 	struct device *dev = &pdev->dev;
-	struct device_node *np = dev->of_node;
 	struct platform_device_info pdevinfo;
-	struct imx_mhdp_device *hdmi;
 	struct resource *iores = NULL;
 	int ret;
 
-	hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
-	if (!hdmi)
-		return ERR_PTR(-ENOMEM);
-
-	hdmi->plat_data = plat_data;
-	hdmi->mhdp.dev = dev;
-
-	mutex_init(&hdmi->lock);
-	mutex_init(&hdmi->audio_mutex);
-	spin_lock_init(&hdmi->audio_lock);
+	mutex_init(&mhdp->lock);
 
-	INIT_DELAYED_WORK(&hdmi->hotplug_work, hotplug_work_func);
+	INIT_DELAYED_WORK(&mhdp->hotplug_work, hotplug_work_func);
 
 	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	hdmi->mhdp.regs = devm_ioremap(dev, iores->start, resource_size(iores));
-	if (IS_ERR(hdmi->mhdp.regs)) {
-		ret = PTR_ERR(hdmi->mhdp.regs);
-		goto err_out;
+	mhdp->regs_base = devm_ioremap(dev, iores->start, resource_size(iores));
+	if (IS_ERR(mhdp->regs_base)) {
+		dev_err(dev, "No regs_base memory\n");
+		return -ENOMEM;
+	}
+
+	/* sec register base */
+	iores = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	mhdp->regs_sec = devm_ioremap(dev, iores->start, resource_size(iores));
+	if (IS_ERR(mhdp->regs_sec)) {
+		dev_err(dev, "No regs_sec memory\n");
+		return -ENOMEM;
 	}
 
-	/* csr register base */
-	hdmi->regmap_csr = syscon_regmap_lookup_by_phandle(np, "csr");
-	if (IS_ERR(hdmi->regmap_csr)) {
-		dev_info(dev, "No csr regmap\n");
-	}
-
-	hdmi->irq[IRQ_IN] = platform_get_irq_byname(pdev, "plug_in");
-	if (hdmi->irq[IRQ_IN] < 0) {
+	mhdp->irq[IRQ_IN] = platform_get_irq_byname(pdev, "plug_in");
+	if (mhdp->irq[IRQ_IN] < 0) {
 		dev_info(dev, "No plug_in irq number\n");
-		return ERR_PTR(-EPROBE_DEFER);
+		return -EPROBE_DEFER;
 	}
 
-	hdmi->irq[IRQ_OUT] = platform_get_irq_byname(pdev, "plug_out");
-	if (hdmi->irq[IRQ_OUT] < 0) {
+	mhdp->irq[IRQ_OUT] = platform_get_irq_byname(pdev, "plug_out");
+	if (mhdp->irq[IRQ_OUT] < 0) {
 		dev_info(dev, "No plug_out irq number\n");
-		return ERR_PTR(-EPROBE_DEFER);
+		return -EPROBE_DEFER;
 	}
 
 	/* Initialize dual_mode to false */
-	hdmi->dual_mode = false;
+//	hdmi->dual_mode = false;
 
 	/* Initialize FW */
-	hdp_plat_call(hdmi, fw_init);
+	cdns_mhdp_plat_call(mhdp, firmware_init);
 
 	/* HDMI FW alive check */
-	ret = cdns_mhdp_check_alive(&hdmi->mhdp);
+	ret = cdns_mhdp_check_alive(mhdp);
 	if (ret == false) {
-		DRM_ERROR("NO HDMI FW running\n");
-		return ERR_PTR(-ENXIO);
+		dev_err(dev, "NO HDMI FW running\n");
+		return -ENXIO;
 	}
 
 	/* Enable Hotplug Detect thread */
-	irq_set_status_flags(hdmi->irq[IRQ_IN], IRQ_NOAUTOEN);
-	ret = devm_request_threaded_irq(dev, hdmi->irq[IRQ_IN],
+	irq_set_status_flags(mhdp->irq[IRQ_IN], IRQ_NOAUTOEN);
+	ret = devm_request_threaded_irq(dev, mhdp->irq[IRQ_IN],
 					NULL, cdns_hdmi_irq_thread,
 					IRQF_ONESHOT, dev_name(dev),
-					hdmi);
-	if (ret) {
+					mhdp);
+	if (ret < 0) {
 		dev_err(dev, "can't claim irq %d\n",
-						hdmi->irq[IRQ_IN]);
-		goto err_out;
+						mhdp->irq[IRQ_IN]);
+		return -EINVAL;
 	}
 	
-	irq_set_status_flags(hdmi->irq[IRQ_OUT], IRQ_NOAUTOEN);
-	ret = devm_request_threaded_irq(dev, hdmi->irq[IRQ_OUT],
+	irq_set_status_flags(mhdp->irq[IRQ_OUT], IRQ_NOAUTOEN);
+	ret = devm_request_threaded_irq(dev, mhdp->irq[IRQ_OUT],
 					NULL, cdns_hdmi_irq_thread,
 					IRQF_ONESHOT, dev_name(dev),
-					hdmi);
-	if (ret) {
+					mhdp);
+	if (ret < 0) {
 		dev_err(dev, "can't claim irq %d\n",
-						hdmi->irq[IRQ_OUT]);
-		goto err_out;
+						mhdp->irq[IRQ_OUT]);
+		return -EINVAL;
 	}
 
-	cdns_hdmi_parse_dt(&hdmi->mhdp);
+	cdns_hdmi_parse_dt(mhdp);
 
-	if (cdns_mhdp_read_hpd(&hdmi->mhdp))
-		enable_irq(hdmi->irq[IRQ_OUT]);
+	if (cdns_mhdp_read_hpd(mhdp))
+		enable_irq(mhdp->irq[IRQ_OUT]);
 	else
-		enable_irq(hdmi->irq[IRQ_IN]);
+		enable_irq(mhdp->irq[IRQ_IN]);
 
-	hdmi->mhdp.bridge.base.driver_private = hdmi;
-	hdmi->mhdp.bridge.base.funcs = &cdns_hdmi_bridge_funcs;
+	mhdp->bridge.base.driver_private = mhdp;
+	mhdp->bridge.base.funcs = &cdns_hdmi_bridge_funcs;
 #ifdef CONFIG_OF
-	hdmi->mhdp.bridge.base.of_node = dev->of_node;
+	mhdp->bridge.base.of_node = dev->of_node;
 #endif
 
 	memset(&pdevinfo, 0, sizeof(pdevinfo));
 	pdevinfo.parent = dev;
 	pdevinfo.id = PLATFORM_DEVID_AUTO;
 
-	dev_set_drvdata(dev, &hdmi->mhdp);
+	dev_set_drvdata(dev, mhdp);
 
 	/* register audio driver */
 	cdns_mhdp_register_audio_driver(dev);
@@ -520,11 +509,7 @@ __cdns_hdmi_probe(struct platform_device
 	cdns_mhdp_register_cec_driver(dev);
 #endif
 
-	return hdmi;
-
-err_out:
-
-	return ERR_PTR(ret);
+	return 0;
 }
 
 static void __cdns_hdmi_remove(struct cdns_mhdp_device *mhdp)
@@ -540,15 +525,15 @@ static void __cdns_hdmi_remove(struct cd
  * Probe/remove API, used from platforms based on the DRM bridge API.
  */
 int cdns_hdmi_probe(struct platform_device *pdev,
-		  const struct cdn_plat_data *plat_data)
+		struct cdns_mhdp_device *mhdp)
 {
-	struct imx_mhdp_device *hdmi;
+	int ret;
 
-	hdmi = __cdns_hdmi_probe(pdev, plat_data);
-	if (IS_ERR(hdmi))
-		return PTR_ERR(hdmi);
+	ret  = __cdns_hdmi_probe(pdev, mhdp);
+	if (ret < 0)
+		return ret;
 
-	drm_bridge_add(&hdmi->mhdp.bridge.base);
+	drm_bridge_add(&mhdp->bridge.base);
 
 	return 0;
 }
@@ -568,16 +553,15 @@ EXPORT_SYMBOL_GPL(cdns_hdmi_remove);
  * Bind/unbind API, used from platforms based on the component framework.
  */
 int cdns_hdmi_bind(struct platform_device *pdev, struct drm_encoder *encoder,
-		 const struct cdn_plat_data *plat_data)
+			struct cdns_mhdp_device *mhdp)
 {
-	struct imx_mhdp_device *hdmi;
 	int ret;
 
-	hdmi = __cdns_hdmi_probe(pdev, plat_data);
-	if (IS_ERR(hdmi))
-		return PTR_ERR(hdmi);
+	ret = __cdns_hdmi_probe(pdev, mhdp);
+	if (ret)
+		return ret;
 
-	ret = drm_bridge_attach(encoder, &hdmi->mhdp.bridge.base, NULL);
+	ret = drm_bridge_attach(encoder, &mhdp->bridge.base, NULL);
 	if (ret) {
 		cdns_hdmi_remove(pdev);
 		DRM_ERROR("Failed to initialize bridge with drm\n");
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp-audio.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp-audio.c
@@ -16,7 +16,6 @@
 #include <linux/reset.h>
 #include <drm/bridge/cdns-mhdp-common.h>
 #include <sound/hdmi-codec.h>
-#include <drm/bridge/cdns-mhdp-imx.h>
 #include <drm/drm_of.h>
 #include <drm/drmP.h>
 
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c
@@ -344,4 +344,4 @@ int cdns_mhdp_unregister_cec_driver(stru
 
 MODULE_AUTHOR("Sandor.Yu@NXP.com");
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("NXP CDNS MHDP CEC driver");
+MODULE_DESCRIPTION("NXP CDNS MHDP HDMI CEC driver");
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp-common.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp-common.c
@@ -23,7 +23,6 @@
 #include <asm/unaligned.h>
 
 #include <drm/bridge/cdns-mhdp-common.h>
-#include <drm/bridge/cdns-mhdp-imx.h>
 #include <drm/drm_modes.h>
 #include <drm/drm_print.h>
 #include <linux/regmap.h>
@@ -74,18 +73,20 @@ static inline void put_unaligned_be24(u3
 
 u32 cdns_mhdp_bus_read(struct cdns_mhdp_device *mhdp, u32 offset)
 {
-	struct imx_mhdp_device *hdmi = container_of(mhdp, struct imx_mhdp_device, mhdp);
 	u32 val;
 
-	/* TODO */
-	if (offset >= 0x1000 && hdmi->regmap_csr) {
+	if (mhdp->bus_type == BUS_TYPE_LOW4K_SAPB) {
+		/* Remap address to low 4K SAPB bus */
+		writel(offset >> 12, mhdp->regs_sec + 0xc);
+		val = readl((offset & 0xfff) + mhdp->regs_base);
+	} else if (mhdp->bus_type == BUS_TYPE_LOW4K_APB) {
 		/* Remap address to low 4K memory */
-		regmap_write(hdmi->regmap_csr, hdmi->csr_ctrl0_reg, offset >> 12);
-		val = readl((offset & 0xfff) + mhdp->regs);
-		/* Restore address mapping */
-		regmap_write(hdmi->regmap_csr, hdmi->csr_ctrl0_reg, 0);
-	} else
-		val = readl(mhdp->regs + offset);
+		writel(offset >> 12, mhdp->regs_sec + 8);
+		val = readl((offset & 0xfff) + mhdp->regs_base);
+	} else if (mhdp->bus_type == BUS_TYPE_NORMAL_SAPB)
+		val = readl(mhdp->regs_sec + offset);
+	else
+		val = readl(mhdp->regs_base + offset);
 
 	return val;
 }
@@ -93,18 +94,18 @@ EXPORT_SYMBOL(cdns_mhdp_bus_read);
 
 void cdns_mhdp_bus_write(u32 val, struct cdns_mhdp_device *mhdp, u32 offset)
 {
-	struct imx_mhdp_device *hdmi = container_of(mhdp, struct imx_mhdp_device, mhdp);
-
-	/* TODO */
-	if (offset >= 0x1000 && hdmi->regmap_csr) {
+	if (mhdp->bus_type == BUS_TYPE_LOW4K_SAPB) {
+		/* Remap address to low 4K SAPB bus */
+		writel(offset >> 12, mhdp->regs_sec + 0xc);
+		writel(val, (offset & 0xfff) + mhdp->regs_base);
+	} else if (mhdp->bus_type == BUS_TYPE_LOW4K_APB) {
 		/* Remap address to low 4K memory */
-		regmap_write(hdmi->regmap_csr, hdmi->csr_ctrl0_reg, offset >> 12);
-		writel(val, (offset & 0xfff) + mhdp->regs);
-		/* Restore address mapping */
-		regmap_write(hdmi->regmap_csr, hdmi->csr_ctrl0_reg, 0);
-
-	} else
-		writel(val, mhdp->regs + offset);
+		writel(offset >> 12, mhdp->regs_sec + 8);
+		writel(val, (offset & 0xfff) + mhdp->regs_base);
+	} else if (mhdp->bus_type == BUS_TYPE_NORMAL_SAPB)
+		writel(val, mhdp->regs_sec + offset);
+	else
+		writel(val, mhdp->regs_base + offset);
 }
 EXPORT_SYMBOL(cdns_mhdp_bus_write);
 
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp-hdmi.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp-hdmi.c
@@ -10,7 +10,6 @@
 #include <drm/drmP.h>
 #include <linux/io.h>
 #include <drm/bridge/cdns-mhdp-common.h>
-#include <drm/bridge/cdns-mhdp-imx.h>
 #include <linux/regmap.h>
 
 void cdns_mhdp_infoframe_set(struct cdns_mhdp_device *mhdp,
--- a/include/drm/bridge/cdns-mhdp-common.h
+++ b/include/drm/bridge/cdns-mhdp-common.h
@@ -495,6 +495,22 @@
 
 #define HOTPLUG_DEBOUNCE_MS		200
 
+#define IRQ_IN    0
+#define IRQ_OUT   1
+#define IRQ_NUM   2
+
+#define cdns_mhdp_plat_call(mhdp, operation)			\
+	(!(mhdp) ? -ENODEV : (((mhdp)->plat_data && (mhdp)->plat_data->operation) ?	\
+	 (mhdp)->plat_data->operation(mhdp) : ENOIOCTLCMD))
+
+/* bus access type */
+enum {
+	BUS_TYPE_NORMAL_APB = 0,
+	BUS_TYPE_NORMAL_SAPB = 1,
+	BUS_TYPE_LOW4K_APB = 2,
+	BUS_TYPE_LOW4K_SAPB = 3,
+};
+
 enum voltage_swing_level {
 	VOLTAGE_LEVEL_0,
 	VOLTAGE_LEVEL_1,
@@ -616,8 +632,33 @@ struct cdns_mhdp_cec {
 };
 #endif
 
+struct cdns_plat_data {
+	/* Vendor PHY support */
+	int (*bind)(struct platform_device *pdev,
+			struct drm_encoder *encoder,
+			struct cdns_mhdp_device *mhdp);
+	void (*unbind)(struct device *dev);
+
+	void (*plat_init)(struct cdns_mhdp_device *mhdp);
+	void (*plat_deinit)(struct cdns_mhdp_device *mhdp);
+
+	int (*phy_set)(struct cdns_mhdp_device *mhdp);
+	int (*firmware_init)(struct cdns_mhdp_device *mhdp);
+	void (*pclk_rate)(struct cdns_mhdp_device *mhdp);
+
+	int (*power_on)(struct cdns_mhdp_device *mhdp);
+	int (*power_off)(struct cdns_mhdp_device *mhdp);
+
+	int bus_type;
+	int video_format;
+	char is_dp;
+};
+
 struct cdns_mhdp_device {
-	void __iomem		*regs;
+	void __iomem		*regs_base;
+	void __iomem		*regs_sec;
+
+	int bus_type;
 
 	struct device		*dev;
 
@@ -642,6 +683,9 @@ struct cdns_mhdp_device {
 	bool link_up;
 	bool power_up;
 	bool plugged;
+	struct mutex lock;
+
+	int irq[IRQ_NUM];
 
 	union {
 		struct _dp_data {
@@ -663,6 +707,8 @@ struct cdns_mhdp_device {
 			u32 hdmi_type;
 		} hdmi;
 	};
+	const struct cdns_plat_data *plat_data;
+
 };
 
 u32 cdns_mhdp_bus_read(struct cdns_mhdp_device *mhdp, u32 offset);
@@ -727,6 +773,25 @@ int cdns_hdmi_disable_gcp(struct cdns_mh
 int cdns_hdmi_enable_gcp(struct cdns_mhdp_device *mhdp);
 
 bool cdns_mhdp_check_alive(struct cdns_mhdp_device *mhdp);
+
+/* HDMI */
+int cdns_hdmi_probe(struct platform_device *pdev,
+		 struct cdns_mhdp_device *mhdp);
+void cdns_hdmi_remove(struct platform_device *pdev);
+void cdns_hdmi_unbind(struct device *dev);
+int cdns_hdmi_bind(struct platform_device *pdev,
+			struct drm_encoder *encoder, struct cdns_mhdp_device *mhdp);
+void cdns_hdmi_set_sample_rate(struct cdns_mhdp_device *mhdp, unsigned int rate);
+void cdns_hdmi_audio_enable(struct cdns_mhdp_device *mhdp);
+void cdns_hdmi_audio_disable(struct cdns_mhdp_device *mhdp);
+/* DP  */
+int cdns_dp_probe(struct platform_device *pdev,
+		 struct cdns_mhdp_device *mhdp);
+void cdns_dp_remove(struct platform_device *pdev);
+void cdns_dp_unbind(struct device *dev);
+int cdns_dp_bind(struct platform_device *pdev,
+			struct drm_encoder *encoder, struct cdns_mhdp_device *mhdp);
+
 /* CEC */
 #ifdef CONFIG_DRM_CDNS_HDMI_CEC
 int cdns_mhdp_register_cec_driver(struct device *dev);
--- a/include/drm/bridge/cdns-mhdp-imx.h
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Cadence High-Definition Multimedia Interface (HDMI) driver
- *
- * Copyright (C) 2019 NXP Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- */
-#ifndef CDNS_MHDP_IMX_H_
-#define CDNS_MHDP_IMX_H_
-
-#include <drm/bridge/cdns-mhdp-common.h>
-
-#define IRQ_IN    0
-#define IRQ_OUT   1
-#define IRQ_NUM   2
-
-#define hdp_plat_call(hdp, operation)			\
-	(!(hdp) ? -ENODEV : (((hdp)->plat_data && (hdp)->plat_data->operation) ?	\
-	 (hdp)->plat_data->operation(hdp) : ENOIOCTLCMD))
-
-#define HDP_DUAL_MODE_MIN_PCLK_RATE	300000	/* KHz */
-#define HDP_SINGLE_MODE_MAX_WIDTH	1920
-
-static inline bool video_is_dual_mode(const struct drm_display_mode *mode)
-{
-	return (mode->clock > HDP_DUAL_MODE_MIN_PCLK_RATE ||
-		mode->hdisplay > HDP_SINGLE_MODE_MAX_WIDTH) ? true : false;
-}
-
-struct imx_mhdp_device;
-
-struct imx_hdp_clks {
-	struct clk *av_pll;
-	struct clk *dig_pll;
-	struct clk *clk_ipg;
-	struct clk *clk_core;
-	struct clk *clk_pxl;
-	struct clk *clk_pxl_mux;
-	struct clk *clk_pxl_link;
-
-	struct clk *lpcg_hdp;
-	struct clk *lpcg_msi;
-	struct clk *lpcg_pxl;
-	struct clk *lpcg_vif;
-	struct clk *lpcg_lis;
-	struct clk *lpcg_apb;
-	struct clk *lpcg_apb_csr;
-	struct clk *lpcg_apb_ctrl;
-
-	struct clk *lpcg_i2s;
-	struct clk *clk_i2s_bypass;
-};
-
-struct cdn_plat_data {
-	/* Vendor PHY support */
-	int (*phy_init)(struct imx_mhdp_device *hdmi);
-	int (*bind)(struct platform_device *pdev,
-			struct drm_encoder *encoder,
-		 	const struct cdn_plat_data *plat_data);
-	void (*unbind)(struct device *dev);
-	int (*fw_init)(struct imx_mhdp_device *hdp);
-	void (*pclock_change)(struct imx_mhdp_device *hdp);
-	char is_dp;
-};
-
-struct imx_mhdp_device {
-	struct cdns_mhdp_device mhdp;
-
-	struct mutex lock;
-	struct mutex audio_mutex;
-	spinlock_t audio_lock;
-	bool connected;
-	bool active;
-	bool suspended;
-	struct imx_hdp_clks clks;
-
-	const struct cdn_plat_data *plat_data;
-
-	int irq[IRQ_NUM];
-	struct delayed_work hotplug_work;
-	//void __iomem *regmap_csr;
-	struct regmap *regmap_csr;
-	u32 csr_pxl_mux_reg;
-	u32 csr_ctrl0_reg;
-	u32 csr_ctrl0_sec;
-
-	struct audio_info audio_info;
-	bool sink_has_audio;
-	u32 dual_mode;
-
-	struct device		*pd_mhdp_dev;
-	struct device		*pd_pll0_dev;
-	struct device		*pd_pll1_dev;
-	struct device_link	*pd_mhdp_link;
-	struct device_link	*pd_pll0_link;
-	struct device_link	*pd_pll1_link;
-
-	u32 phy_init;
-};
-
-int cdns_hdmi_probe(struct platform_device *pdev,
-		  const struct cdn_plat_data *plat_data);
-void cdns_hdmi_remove(struct platform_device *pdev);
-void cdns_hdmi_unbind(struct device *dev);
-int cdns_hdmi_bind(struct platform_device *pdev, struct drm_encoder *encoder,
-		 const struct cdn_plat_data *plat_data);
-void cdns_hdmi_set_sample_rate(struct imx_mhdp_device *hdmi, unsigned int rate);
-void cdns_hdmi_audio_enable(struct imx_mhdp_device *hdmi);
-void cdns_hdmi_audio_disable(struct imx_mhdp_device *hdmi);
-int cdns_dp_probe(struct platform_device *pdev,
-		  const struct cdn_plat_data *plat_data);
-void cdns_dp_remove(struct platform_device *pdev);
-void cdns_dp_unbind(struct device *dev);
-int cdns_dp_bind(struct platform_device *pdev, struct drm_encoder *encoder,
-		 const struct cdn_plat_data *plat_data);
-
-#endif /* CDNS_MHDP_IMX_H_ */