diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 4ea8cdc..bcf1c9d 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -45,3 +45,9 @@ config DRM_EXYNOS_G2D
 	depends on DRM_EXYNOS && !VIDEO_SAMSUNG_S5P_G2D
 	help
 	  Choose this option if you want to use Exynos G2D for DRM.
+
+config DRM_EXYNOS_IPP
+	bool "Exynos DRM IPP"
+	depends on DRM_EXYNOS
+	help
+	  Choose this option if you want to use IPP feature for DRM.
diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
index 26813b8..6c536ce 100644
--- a/drivers/gpu/drm/exynos/Makefile
+++ b/drivers/gpu/drm/exynos/Makefile
@@ -16,5 +16,6 @@ exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI)	+= exynos_hdmi.o exynos_mixer.o \
 					   exynos_drm_hdmi.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI)	+= exynos_drm_vidi.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_G2D)	+= exynos_drm_g2d.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_IPP)	+= exynos_drm_ipp.o
 
 obj-$(CONFIG_DRM_EXYNOS)		+= exynosdrm.o
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 4a1168d..0eb8a97 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -40,6 +40,7 @@
 #include "exynos_drm_vidi.h"
 #include "exynos_drm_dmabuf.h"
 #include "exynos_drm_g2d.h"
+#include "exynos_drm_ipp.h"
 #include "exynos_drm_iommu.h"
 
 #define DRIVER_NAME	"exynos"
@@ -249,6 +250,14 @@ static struct drm_ioctl_desc exynos_ioctls[] = {
 			exynos_g2d_set_cmdlist_ioctl, DRM_UNLOCKED | DRM_AUTH),
 	DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC,
 			exynos_g2d_exec_ioctl, DRM_UNLOCKED | DRM_AUTH),
+	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY,
+			exynos_drm_ipp_get_property, DRM_UNLOCKED | DRM_AUTH),
+	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY,
+			exynos_drm_ipp_set_property, DRM_UNLOCKED | DRM_AUTH),
+	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF,
+			exynos_drm_ipp_queue_buf, DRM_UNLOCKED | DRM_AUTH),
+	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL,
+			exynos_drm_ipp_cmd_ctrl, DRM_UNLOCKED | DRM_AUTH),
 };
 
 static const struct file_operations exynos_drm_driver_fops = {
@@ -363,6 +372,12 @@ static int __init exynos_drm_init(void)
 		goto out_g2d;
 #endif
 
+#ifdef CONFIG_DRM_EXYNOS_IPP
+	ret = platform_driver_register(&ipp_driver);
+	if (ret < 0)
+		goto out_ipp;
+#endif
+
 	ret = platform_driver_register(&exynos_drm_platform_driver);
 	if (ret < 0)
 		goto out_drm;
@@ -380,6 +395,11 @@ out:
 	platform_driver_unregister(&exynos_drm_platform_driver);
 
 out_drm:
+#ifdef CONFIG_DRM_EXYNOS_IPP
+	platform_driver_unregister(&ipp_driver);
+out_ipp:
+#endif
+
 #ifdef CONFIG_DRM_EXYNOS_G2D
 	platform_driver_unregister(&g2d_driver);
 out_g2d:
@@ -416,6 +436,10 @@ static void __exit exynos_drm_exit(void)
 
 	platform_driver_unregister(&exynos_drm_platform_driver);
 
+#ifdef CONFIG_DRM_EXYNOS_IPP
+	platform_driver_unregister(&ipp_driver);
+#endif
+
 #ifdef CONFIG_DRM_EXYNOS_G2D
 	platform_driver_unregister(&g2d_driver);
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index a9db025..a365788 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -235,8 +235,14 @@ struct exynos_drm_g2d_private {
 	unsigned int		gem_nr;
 };
 
+struct exynos_drm_ipp_private {
+	struct device	*dev;
+	struct list_head	event_list;
+};
+
 struct drm_exynos_file_private {
 	struct exynos_drm_g2d_private	*g2d_priv;
+	struct exynos_drm_ipp_private	*ipp_priv;
 };
 
 /*
@@ -346,4 +352,5 @@ extern struct platform_driver mixer_driver;
 extern struct platform_driver exynos_drm_common_hdmi_driver;
 extern struct platform_driver vidi_driver;
 extern struct platform_driver g2d_driver;
+extern struct platform_driver ipp_driver;
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
new file mode 100644
index 0000000..eb12cb5
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -0,0 +1,2059 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics Co.Ltd
+ * Authors:
+ *	Eunchul Kim <chulspro.kim@samsung.com>
+ *	Jinyoung Jeon <jy0.jeon@samsung.com>
+ *	Sangmin Lee <lsmin.lee@samsung.com>
+ *
+ * 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.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/pm_runtime.h>
+#include <plat/map-base.h>
+
+#include <drm/drmP.h>
+#include <drm/exynos_drm.h>
+#include "exynos_drm_drv.h"
+#include "exynos_drm_gem.h"
+#include "exynos_drm_ipp.h"
+
+/*
+ * IPP is stand for Image Post Processing and
+ * supports image scaler/rotator and input/output DMA operations.
+ * using FIMC, GSC, Rotator, so on.
+ * IPP is integration device driver of same attribute h/w
+ */
+
+#define get_ipp_context(dev)	platform_get_drvdata(to_platform_device(dev))
+#define ipp_is_m2m_cmd(c)	(c == IPP_CMD_M2M)
+
+/*
+ * A structure of event.
+ *
+ * @base: base of event.
+ * @event: ipp event.
+ */
+struct drm_exynos_ipp_send_event {
+	struct drm_pending_event	base;
+	struct drm_exynos_ipp_event	event;
+};
+
+/*
+ * A structure of memory node.
+ *
+ * @list: list head to memory queue information.
+ * @ops_id: id of operations.
+ * @prop_id: id of property.
+ * @buf_id: id of buffer.
+ * @buf_info: gem objects and dma address, size.
+ * @filp: a pointer to drm_file.
+ */
+struct drm_exynos_ipp_mem_node {
+	struct list_head	list;
+	enum drm_exynos_ops_id	ops_id;
+	u32	prop_id;
+	u32	buf_id;
+	struct drm_exynos_ipp_buf_info	buf_info;
+	struct drm_file		*filp;
+};
+
+/*
+ * A structure of ipp context.
+ *
+ * @subdrv: prepare initialization using subdrv.
+ * @ipp_lock: lock for synchronization of access to ipp_idr.
+ * @prop_lock: lock for synchronization of access to prop_idr.
+ * @ipp_idr: ipp driver idr.
+ * @prop_idr: property idr.
+ * @event_workq: event work queue.
+ * @cmd_workq: command work queue.
+ */
+struct ipp_context {
+	struct exynos_drm_subdrv	subdrv;
+	struct mutex	ipp_lock;
+	struct mutex	prop_lock;
+	struct idr	ipp_idr;
+	struct idr	prop_idr;
+	struct workqueue_struct	*event_workq;
+	struct workqueue_struct	*cmd_workq;
+};
+
+static LIST_HEAD(exynos_drm_ippdrv_list);
+static DEFINE_MUTEX(exynos_drm_ippdrv_lock);
+static BLOCKING_NOTIFIER_HEAD(exynos_drm_ippnb_list);
+
+int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv)
+{
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (!ippdrv)
+		return -EINVAL;
+
+	mutex_lock(&exynos_drm_ippdrv_lock);
+	list_add_tail(&ippdrv->drv_list, &exynos_drm_ippdrv_list);
+	mutex_unlock(&exynos_drm_ippdrv_lock);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(exynos_drm_ippdrv_register);
+
+int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv)
+{
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (!ippdrv)
+		return -EINVAL;
+
+	mutex_lock(&exynos_drm_ippdrv_lock);
+	list_del(&ippdrv->drv_list);
+	mutex_unlock(&exynos_drm_ippdrv_lock);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(exynos_drm_ippdrv_unregister);
+
+static int ipp_create_id(struct idr *id_idr, struct mutex *lock, void *obj,
+		u32 *idp)
+{
+	int ret;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+again:
+	/* ensure there is space available to allocate a handle */
+	if (idr_pre_get(id_idr, GFP_KERNEL) == 0) {
+		DRM_ERROR("failed to get idr.\n");
+		return -ENOMEM;
+	}
+
+	/* do the allocation under our mutexlock */
+	mutex_lock(lock);
+	ret = idr_get_new_above(id_idr, obj, 1, (int *)idp);
+	mutex_unlock(lock);
+	if (ret == -EAGAIN)
+		goto again;
+
+	return ret;
+}
+
+static void *ipp_find_obj(struct idr *id_idr, struct mutex *lock, u32 id)
+{
+	void *obj;
+
+	DRM_DEBUG_KMS("%s:id[%d]\n", __func__, id);
+
+	mutex_lock(lock);
+
+	/* find object using handle */
+	obj = idr_find(id_idr, id);
+	if (!obj) {
+		DRM_ERROR("failed to find object.\n");
+		mutex_unlock(lock);
+		return ERR_PTR(-ENODEV);
+	}
+
+	mutex_unlock(lock);
+
+	return obj;
+}
+
+static inline bool ipp_check_dedicated(struct exynos_drm_ippdrv *ippdrv,
+		enum drm_exynos_ipp_cmd	cmd)
+{
+	/*
+	 * check dedicated flag and WB, OUTPUT operation with
+	 * power on state.
+	 */
+	if (ippdrv->dedicated || (!ipp_is_m2m_cmd(cmd) &&
+	    !pm_runtime_suspended(ippdrv->dev)))
+		return true;
+
+	return false;
+}
+
+static struct exynos_drm_ippdrv *ipp_find_driver(struct ipp_context *ctx,
+		struct drm_exynos_ipp_property *property)
+{
+	struct exynos_drm_ippdrv *ippdrv;
+	u32 ipp_id = property->ipp_id;
+
+	DRM_DEBUG_KMS("%s:ipp_id[%d]\n", __func__, ipp_id);
+
+	if (ipp_id) {
+		/* find ipp driver using idr */
+		ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock,
+			ipp_id);
+		if (IS_ERR_OR_NULL(ippdrv)) {
+			DRM_ERROR("not found ipp%d driver.\n", ipp_id);
+			goto err_null;
+		}
+
+		/*
+		 * WB, OUTPUT opertion not supported multi-operation.
+		 * so, make dedicated state at set property ioctl.
+		 * when ipp driver finished operations, clear dedicated flags.
+		 */
+		if (ipp_check_dedicated(ippdrv, property->cmd)) {
+			DRM_ERROR("already used choose device.\n");
+			goto err_null;
+		}
+
+		/*
+		 * This is necessary to find correct device in ipp drivers.
+		 * ipp drivers have different abilities,
+		 * so need to check property.
+		 */
+		if (ippdrv->check_property &&
+		    ippdrv->check_property(ippdrv->dev, property)) {
+			DRM_ERROR("not support property.\n");
+			goto err_null;
+		}
+
+		return ippdrv;
+	} else {
+		/*
+		 * This case is search all ipp driver for finding.
+		 * user application don't set ipp_id in this case,
+		 * so ipp subsystem search correct driver in driver list.
+		 */
+		list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) {
+			if (ipp_check_dedicated(ippdrv, property->cmd)) {
+				DRM_DEBUG_KMS("%s:used device.\n", __func__);
+				continue;
+			}
+
+			if (ippdrv->check_property &&
+			    ippdrv->check_property(ippdrv->dev, property)) {
+				DRM_DEBUG_KMS("%s:not support property.\n",
+					__func__);
+				continue;
+			}
+
+			return ippdrv;
+		}
+
+		DRM_ERROR("not support ipp driver operations.\n");
+	}
+
+	return ERR_PTR(-ENODEV);
+
+err_null:
+	return NULL;
+}
+
+static struct exynos_drm_ippdrv *ipp_find_drv_by_handle(u32 prop_id)
+{
+	struct exynos_drm_ippdrv *ippdrv;
+	struct drm_exynos_ipp_cmd_node *c_node;
+	int count = 0;
+
+	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, prop_id);
+
+	if (list_empty(&exynos_drm_ippdrv_list)) {
+		DRM_DEBUG_KMS("%s:ippdrv_list is empty.\n", __func__);
+		return ERR_PTR(-ENODEV);
+	}
+
+	/*
+	 * This case is search ipp driver by prop_id handle.
+	 * sometimes, ipp subsystem find driver by prop_id.
+	 * e.g PAUSE state, queue buf, command contro.
+	 */
+	list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) {
+		DRM_DEBUG_KMS("%s:count[%d]ippdrv[0x%x]\n", __func__,
+			count++, (int)ippdrv);
+
+		if (!list_empty(&ippdrv->cmd_list)) {
+			list_for_each_entry(c_node, &ippdrv->cmd_list, list)
+				if (c_node->property.prop_id == prop_id)
+					return ippdrv;
+		}
+	}
+
+	return ERR_PTR(-ENODEV);
+}
+
+int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data,
+		struct drm_file *file)
+{
+	struct drm_exynos_file_private *file_priv = file->driver_priv;
+	struct exynos_drm_ipp_private *priv = file_priv->ipp_priv;
+	struct device *dev = priv->dev;
+	struct ipp_context *ctx = get_ipp_context(dev);
+	struct drm_exynos_ipp_prop_list *prop_list = data;
+	struct exynos_drm_ippdrv *ippdrv;
+	int count = 0;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (!ctx) {
+		DRM_ERROR("invalid context.\n");
+		return -EINVAL;
+	}
+
+	if (!prop_list) {
+		DRM_ERROR("invalid property parameter.\n");
+		return -EINVAL;
+	}
+
+	DRM_DEBUG_KMS("%s:ipp_id[%d]\n", __func__, prop_list->ipp_id);
+
+	if (!prop_list->ipp_id) {
+		list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list)
+			count++;
+		/*
+		 * Supports ippdrv list count for user application.
+		 * First step user application getting ippdrv count.
+		 * and second step getting ippdrv capability using ipp_id.
+		 */
+		prop_list->count = count;
+	} else {
+		/*
+		 * Getting ippdrv capability by ipp_id.
+		 * some deivce not supported wb, output interface.
+		 * so, user application detect correct ipp driver
+		 * using this ioctl.
+		 */
+		ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock,
+						prop_list->ipp_id);
+		if (!ippdrv) {
+			DRM_ERROR("not found ipp%d driver.\n",
+					prop_list->ipp_id);
+			return -EINVAL;
+		}
+
+		prop_list = ippdrv->prop_list;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(exynos_drm_ipp_get_property);
+
+static void ipp_print_property(struct drm_exynos_ipp_property *property,
+		int idx)
+{
+	struct drm_exynos_ipp_config *config = &property->config[idx];
+	struct drm_exynos_pos *pos = &config->pos;
+	struct drm_exynos_sz *sz = &config->sz;
+
+	DRM_DEBUG_KMS("%s:prop_id[%d]ops[%s]fmt[0x%x]\n",
+		__func__, property->prop_id, idx ? "dst" : "src", config->fmt);
+
+	DRM_DEBUG_KMS("%s:pos[%d %d %d %d]sz[%d %d]f[%d]r[%d]\n",
+		__func__, pos->x, pos->y, pos->w, pos->h,
+		sz->hsize, sz->vsize, config->flip, config->degree);
+}
+
+static int ipp_find_and_set_property(struct drm_exynos_ipp_property *property)
+{
+	struct exynos_drm_ippdrv *ippdrv;
+	struct drm_exynos_ipp_cmd_node *c_node;
+	u32 prop_id = property->prop_id;
+
+	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, prop_id);
+
+	ippdrv = ipp_find_drv_by_handle(prop_id);
+	if (IS_ERR_OR_NULL(ippdrv)) {
+		DRM_ERROR("failed to get ipp driver.\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * Find command node using command list in ippdrv.
+	 * when we find this command no using prop_id.
+	 * return property information set in this command node.
+	 */
+	list_for_each_entry(c_node, &ippdrv->cmd_list, list) {
+		if ((c_node->property.prop_id == prop_id) &&
+		    (c_node->state == IPP_STATE_STOP)) {
+			DRM_DEBUG_KMS("%s:found cmd[%d]ippdrv[0x%x]\n",
+				__func__, property->cmd, (int)ippdrv);
+
+			c_node->property = *property;
+			return 0;
+		}
+	}
+
+	DRM_ERROR("failed to search property.\n");
+
+	return -EINVAL;
+}
+
+static struct drm_exynos_ipp_cmd_work *ipp_create_cmd_work(void)
+{
+	struct drm_exynos_ipp_cmd_work *cmd_work;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	cmd_work = kzalloc(sizeof(*cmd_work), GFP_KERNEL);
+	if (!cmd_work) {
+		DRM_ERROR("failed to alloc cmd_work.\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	INIT_WORK((struct work_struct *)cmd_work, ipp_sched_cmd);
+
+	return cmd_work;
+}
+
+static struct drm_exynos_ipp_event_work *ipp_create_event_work(void)
+{
+	struct drm_exynos_ipp_event_work *event_work;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	event_work = kzalloc(sizeof(*event_work), GFP_KERNEL);
+	if (!event_work) {
+		DRM_ERROR("failed to alloc event_work.\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	INIT_WORK((struct work_struct *)event_work, ipp_sched_event);
+
+	return event_work;
+}
+
+int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data,
+		struct drm_file *file)
+{
+	struct drm_exynos_file_private *file_priv = file->driver_priv;
+	struct exynos_drm_ipp_private *priv = file_priv->ipp_priv;
+	struct device *dev = priv->dev;
+	struct ipp_context *ctx = get_ipp_context(dev);
+	struct drm_exynos_ipp_property *property = data;
+	struct exynos_drm_ippdrv *ippdrv;
+	struct drm_exynos_ipp_cmd_node *c_node;
+	int ret, i;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (!ctx) {
+		DRM_ERROR("invalid context.\n");
+		return -EINVAL;
+	}
+
+	if (!property) {
+		DRM_ERROR("invalid property parameter.\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * This is log print for user application property.
+	 * user application set various property.
+	 */
+	for_each_ipp_ops(i)
+		ipp_print_property(property, i);
+
+	/*
+	 * set property ioctl generated new prop_id.
+	 * but in this case already asigned prop_id using old set property.
+	 * e.g PAUSE state. this case supports find current prop_id and use it
+	 * instead of allocation.
+	 */
+	if (property->prop_id) {
+		DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, property->prop_id);
+		return ipp_find_and_set_property(property);
+	}
+
+	/* find ipp driver using ipp id */
+	ippdrv = ipp_find_driver(ctx, property);
+	if (IS_ERR_OR_NULL(ippdrv)) {
+		DRM_ERROR("failed to get ipp driver.\n");
+		return -EINVAL;
+	}
+
+	/* allocate command node */
+	c_node = kzalloc(sizeof(*c_node), GFP_KERNEL);
+	if (!c_node) {
+		DRM_ERROR("failed to allocate map node.\n");
+		return -ENOMEM;
+	}
+
+	/* create property id */
+	ret = ipp_create_id(&ctx->prop_idr, &ctx->prop_lock, c_node,
+		&property->prop_id);
+	if (ret) {
+		DRM_ERROR("failed to create id.\n");
+		goto err_clear;
+	}
+
+	DRM_DEBUG_KMS("%s:created prop_id[%d]cmd[%d]ippdrv[0x%x]\n",
+		__func__, property->prop_id, property->cmd, (int)ippdrv);
+
+	/* stored property information and ippdrv in private data */
+	c_node->priv = priv;
+	c_node->property = *property;
+	c_node->state = IPP_STATE_IDLE;
+
+	c_node->start_work = ipp_create_cmd_work();
+	if (IS_ERR_OR_NULL(c_node->start_work)) {
+		DRM_ERROR("failed to create start work.\n");
+		goto err_clear;
+	}
+
+	c_node->stop_work = ipp_create_cmd_work();
+	if (IS_ERR_OR_NULL(c_node->stop_work)) {
+		DRM_ERROR("failed to create stop work.\n");
+		goto err_free_start;
+	}
+
+	c_node->event_work = ipp_create_event_work();
+	if (IS_ERR_OR_NULL(c_node->event_work)) {
+		DRM_ERROR("failed to create event work.\n");
+		goto err_free_stop;
+	}
+
+	mutex_init(&c_node->cmd_lock);
+	mutex_init(&c_node->mem_lock);
+	mutex_init(&c_node->event_lock);
+
+	init_completion(&c_node->start_complete);
+	init_completion(&c_node->stop_complete);
+
+	for_each_ipp_ops(i)
+		INIT_LIST_HEAD(&c_node->mem_list[i]);
+
+	INIT_LIST_HEAD(&c_node->event_list);
+	list_splice_init(&priv->event_list, &c_node->event_list);
+	list_add_tail(&c_node->list, &ippdrv->cmd_list);
+
+	/* make dedicated state without m2m */
+	if (!ipp_is_m2m_cmd(property->cmd))
+		ippdrv->dedicated = true;
+
+	return 0;
+
+err_free_stop:
+	kfree(c_node->stop_work);
+err_free_start:
+	kfree(c_node->start_work);
+err_clear:
+	kfree(c_node);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(exynos_drm_ipp_set_property);
+
+static void ipp_clean_cmd_node(struct drm_exynos_ipp_cmd_node *c_node)
+{
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	/* delete list */
+	list_del(&c_node->list);
+
+	/* destroy mutex */
+	mutex_destroy(&c_node->cmd_lock);
+	mutex_destroy(&c_node->mem_lock);
+	mutex_destroy(&c_node->event_lock);
+
+	/* free command node */
+	kfree(c_node->start_work);
+	kfree(c_node->stop_work);
+	kfree(c_node->event_work);
+	kfree(c_node);
+}
+
+static int ipp_check_mem_list(struct drm_exynos_ipp_cmd_node *c_node)
+{
+	struct drm_exynos_ipp_property *property = &c_node->property;
+	struct drm_exynos_ipp_mem_node *m_node;
+	struct list_head *head;
+	int ret, i, count[EXYNOS_DRM_OPS_MAX] = { 0, };
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	mutex_lock(&c_node->mem_lock);
+
+	for_each_ipp_ops(i) {
+		/* source/destination memory list */
+		head = &c_node->mem_list[i];
+
+		if (list_empty(head)) {
+			DRM_DEBUG_KMS("%s:%s memory empty.\n", __func__,
+				i ? "dst" : "src");
+			continue;
+		}
+
+		/* find memory node entry */
+		list_for_each_entry(m_node, head, list) {
+			DRM_DEBUG_KMS("%s:%s,count[%d]m_node[0x%x]\n", __func__,
+				i ? "dst" : "src", count[i], (int)m_node);
+			count[i]++;
+		}
+	}
+
+	DRM_DEBUG_KMS("%s:min[%d]max[%d]\n", __func__,
+		min(count[EXYNOS_DRM_OPS_SRC], count[EXYNOS_DRM_OPS_DST]),
+		max(count[EXYNOS_DRM_OPS_SRC], count[EXYNOS_DRM_OPS_DST]));
+
+	/*
+	 * M2M operations should be need paired memory address.
+	 * so, need to check minimum count about src, dst.
+	 * other case not use paired memory, so use maximum count
+	 */
+	if (ipp_is_m2m_cmd(property->cmd))
+		ret = min(count[EXYNOS_DRM_OPS_SRC],
+			count[EXYNOS_DRM_OPS_DST]);
+	else
+		ret = max(count[EXYNOS_DRM_OPS_SRC],
+			count[EXYNOS_DRM_OPS_DST]);
+
+	mutex_unlock(&c_node->mem_lock);
+
+	return ret;
+}
+
+static struct drm_exynos_ipp_mem_node
+		*ipp_find_mem_node(struct drm_exynos_ipp_cmd_node *c_node,
+		struct drm_exynos_ipp_queue_buf *qbuf)
+{
+	struct drm_exynos_ipp_mem_node *m_node;
+	struct list_head *head;
+	int count = 0;
+
+	DRM_DEBUG_KMS("%s:buf_id[%d]\n", __func__, qbuf->buf_id);
+
+	/* source/destination memory list */
+	head = &c_node->mem_list[qbuf->ops_id];
+
+	/* find memory node from memory list */
+	list_for_each_entry(m_node, head, list) {
+		DRM_DEBUG_KMS("%s:count[%d]m_node[0x%x]\n",
+			__func__, count++, (int)m_node);
+
+		/* compare buffer id */
+		if (m_node->buf_id == qbuf->buf_id)
+			return m_node;
+	}
+
+	return NULL;
+}
+
+static int ipp_set_mem_node(struct exynos_drm_ippdrv *ippdrv,
+		struct drm_exynos_ipp_cmd_node *c_node,
+		struct drm_exynos_ipp_mem_node *m_node)
+{
+	struct exynos_drm_ipp_ops *ops = NULL;
+	int ret = 0;
+
+	DRM_DEBUG_KMS("%s:node[0x%x]\n", __func__, (int)m_node);
+
+	if (!m_node) {
+		DRM_ERROR("invalid queue node.\n");
+		return -EFAULT;
+	}
+
+	mutex_lock(&c_node->mem_lock);
+
+	DRM_DEBUG_KMS("%s:ops_id[%d]\n", __func__, m_node->ops_id);
+
+	/* get operations callback */
+	ops = ippdrv->ops[m_node->ops_id];
+	if (!ops) {
+		DRM_ERROR("not support ops.\n");
+		ret = -EFAULT;
+		goto err_unlock;
+	}
+
+	/* set address and enable irq */
+	if (ops->set_addr) {
+		ret = ops->set_addr(ippdrv->dev, &m_node->buf_info,
+			m_node->buf_id, IPP_BUF_ENQUEUE);
+		if (ret) {
+			DRM_ERROR("failed to set addr.\n");
+			goto err_unlock;
+		}
+	}
+
+err_unlock:
+	mutex_unlock(&c_node->mem_lock);
+	return ret;
+}
+
+static struct drm_exynos_ipp_mem_node
+		*ipp_get_mem_node(struct drm_device *drm_dev,
+		struct drm_file *file,
+		struct drm_exynos_ipp_cmd_node *c_node,
+		struct drm_exynos_ipp_queue_buf *qbuf)
+{
+	struct drm_exynos_ipp_mem_node *m_node;
+	struct drm_exynos_ipp_buf_info buf_info;
+	void *addr;
+	int i;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	mutex_lock(&c_node->mem_lock);
+
+	m_node = kzalloc(sizeof(*m_node), GFP_KERNEL);
+	if (!m_node) {
+		DRM_ERROR("failed to allocate queue node.\n");
+		goto err_unlock;
+	}
+
+	/* clear base address for error handling */
+	memset(&buf_info, 0x0, sizeof(buf_info));
+
+	/* operations, buffer id */
+	m_node->ops_id = qbuf->ops_id;
+	m_node->prop_id = qbuf->prop_id;
+	m_node->buf_id = qbuf->buf_id;
+
+	DRM_DEBUG_KMS("%s:m_node[0x%x]ops_id[%d]\n", __func__,
+		(int)m_node, qbuf->ops_id);
+	DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]\n", __func__,
+		qbuf->prop_id, m_node->buf_id);
+
+	for_each_ipp_planar(i) {
+		DRM_DEBUG_KMS("%s:i[%d]handle[0x%x]\n", __func__,
+			i, qbuf->handle[i]);
+
+		/* get dma address by handle */
+		if (qbuf->handle[i] != 0) {
+			addr = exynos_drm_gem_get_dma_addr(drm_dev,
+					qbuf->handle[i], file);
+			if (!addr) {
+				DRM_ERROR("failed to get addr.\n");
+				goto err_clear;
+			}
+
+			buf_info.handles[i] = qbuf->handle[i];
+			buf_info.base[i] = *(dma_addr_t *) addr;
+			DRM_DEBUG_KMS("%s:i[%d]base[0x%x]hd[0x%x]\n",
+				__func__, i, buf_info.base[i],
+				(int)buf_info.handles[i]);
+		}
+	}
+
+	m_node->filp = file;
+	m_node->buf_info = buf_info;
+	list_add_tail(&m_node->list, &c_node->mem_list[qbuf->ops_id]);
+
+	mutex_unlock(&c_node->mem_lock);
+	return m_node;
+
+err_clear:
+	kfree(m_node);
+err_unlock:
+	mutex_unlock(&c_node->mem_lock);
+	return ERR_PTR(-EFAULT);
+}
+
+static int ipp_put_mem_node(struct drm_device *drm_dev,
+		struct drm_exynos_ipp_cmd_node *c_node,
+		struct drm_exynos_ipp_mem_node *m_node)
+{
+	int i;
+
+	DRM_DEBUG_KMS("%s:node[0x%x]\n", __func__, (int)m_node);
+
+	if (!m_node) {
+		DRM_ERROR("invalid dequeue node.\n");
+		return -EFAULT;
+	}
+
+	if (list_empty(&m_node->list)) {
+		DRM_ERROR("empty memory node.\n");
+		return -ENOMEM;
+	}
+
+	mutex_lock(&c_node->mem_lock);
+
+	DRM_DEBUG_KMS("%s:ops_id[%d]\n", __func__, m_node->ops_id);
+
+	/* put gem buffer */
+	for_each_ipp_planar(i) {
+		unsigned long handle = m_node->buf_info.handles[i];
+		if (handle)
+			exynos_drm_gem_put_dma_addr(drm_dev, handle,
+							m_node->filp);
+	}
+
+	/* delete list in queue */
+	list_del(&m_node->list);
+	kfree(m_node);
+
+	mutex_unlock(&c_node->mem_lock);
+
+	return 0;
+}
+
+static void ipp_free_event(struct drm_pending_event *event)
+{
+	kfree(event);
+}
+
+static int ipp_get_event(struct drm_device *drm_dev,
+		struct drm_file *file,
+		struct drm_exynos_ipp_cmd_node *c_node,
+		struct drm_exynos_ipp_queue_buf *qbuf)
+{
+	struct drm_exynos_ipp_send_event *e;
+	unsigned long flags;
+
+	DRM_DEBUG_KMS("%s:ops_id[%d]buf_id[%d]\n", __func__,
+		qbuf->ops_id, qbuf->buf_id);
+
+	e = kzalloc(sizeof(*e), GFP_KERNEL);
+
+	if (!e) {
+		DRM_ERROR("failed to allocate event.\n");
+		spin_lock_irqsave(&drm_dev->event_lock, flags);
+		file->event_space += sizeof(e->event);
+		spin_unlock_irqrestore(&drm_dev->event_lock, flags);
+		return -ENOMEM;
+	}
+
+	/* make event */
+	e->event.base.type = DRM_EXYNOS_IPP_EVENT;
+	e->event.base.length = sizeof(e->event);
+	e->event.user_data = qbuf->user_data;
+	e->event.prop_id = qbuf->prop_id;
+	e->event.buf_id[EXYNOS_DRM_OPS_DST] = qbuf->buf_id;
+	e->base.event = &e->event.base;
+	e->base.file_priv = file;
+	e->base.destroy = ipp_free_event;
+	list_add_tail(&e->base.link, &c_node->event_list);
+
+	return 0;
+}
+
+static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node,
+		struct drm_exynos_ipp_queue_buf *qbuf)
+{
+	struct drm_exynos_ipp_send_event *e, *te;
+	int count = 0;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (list_empty(&c_node->event_list)) {
+		DRM_DEBUG_KMS("%s:event_list is empty.\n", __func__);
+		return;
+	}
+
+	list_for_each_entry_safe(e, te, &c_node->event_list, base.link) {
+		DRM_DEBUG_KMS("%s:count[%d]e[0x%x]\n",
+			__func__, count++, (int)e);
+
+		/*
+		 * quf == NULL condition means all event deletion.
+		 * stop operations want to delete all event list.
+		 * another case delete only same buf id.
+		 */
+		if (!qbuf) {
+			/* delete list */
+			list_del(&e->base.link);
+			kfree(e);
+		}
+
+		/* compare buffer id */
+		if (qbuf && (qbuf->buf_id ==
+		    e->event.buf_id[EXYNOS_DRM_OPS_DST])) {
+			/* delete list */
+			list_del(&e->base.link);
+			kfree(e);
+			return;
+		}
+	}
+}
+
+void ipp_handle_cmd_work(struct device *dev,
+		struct exynos_drm_ippdrv *ippdrv,
+		struct drm_exynos_ipp_cmd_work *cmd_work,
+		struct drm_exynos_ipp_cmd_node *c_node)
+{
+	struct ipp_context *ctx = get_ipp_context(dev);
+
+	cmd_work->ippdrv = ippdrv;
+	cmd_work->c_node = c_node;
+	queue_work(ctx->cmd_workq, (struct work_struct *)cmd_work);
+}
+
+static int ipp_queue_buf_with_run(struct device *dev,
+		struct drm_exynos_ipp_cmd_node *c_node,
+		struct drm_exynos_ipp_mem_node *m_node,
+		struct drm_exynos_ipp_queue_buf *qbuf)
+{
+	struct exynos_drm_ippdrv *ippdrv;
+	struct drm_exynos_ipp_property *property;
+	struct exynos_drm_ipp_ops *ops;
+	int ret;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	ippdrv = ipp_find_drv_by_handle(qbuf->prop_id);
+	if (IS_ERR_OR_NULL(ippdrv)) {
+		DRM_ERROR("failed to get ipp driver.\n");
+		return -EFAULT;
+	}
+
+	ops = ippdrv->ops[qbuf->ops_id];
+	if (!ops) {
+		DRM_ERROR("failed to get ops.\n");
+		return -EFAULT;
+	}
+
+	property = &c_node->property;
+	if (!property) {
+		DRM_ERROR("invalid property parameter.\n");
+		return -EINVAL;
+	}
+
+	if (c_node->state != IPP_STATE_START) {
+		DRM_DEBUG_KMS("%s:bypass for invalid state.\n" , __func__);
+		return 0;
+	}
+
+	if (!ipp_check_mem_list(c_node)) {
+		DRM_DEBUG_KMS("%s:empty memory.\n", __func__);
+		return 0;
+	}
+
+	/*
+	 * If set destination buffer and enabled clock,
+	 * then m2m operations need start operations at queue_buf
+	 */
+	if (ipp_is_m2m_cmd(property->cmd)) {
+		struct drm_exynos_ipp_cmd_work *cmd_work = c_node->start_work;
+
+		cmd_work->ctrl = IPP_CTRL_PLAY;
+		ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node);
+	} else {
+		ret = ipp_set_mem_node(ippdrv, c_node, m_node);
+		if (ret) {
+			DRM_ERROR("failed to set m node.\n");
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static void ipp_clean_queue_buf(struct drm_device *drm_dev,
+		struct drm_exynos_ipp_cmd_node *c_node,
+		struct drm_exynos_ipp_queue_buf *qbuf)
+{
+	struct drm_exynos_ipp_mem_node *m_node, *tm_node;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (!list_empty(&c_node->mem_list[qbuf->ops_id])) {
+		/* delete list */
+		list_for_each_entry_safe(m_node, tm_node,
+			&c_node->mem_list[qbuf->ops_id], list) {
+			if (m_node->buf_id == qbuf->buf_id &&
+			    m_node->ops_id == qbuf->ops_id)
+				ipp_put_mem_node(drm_dev, c_node, m_node);
+		}
+	}
+}
+
+int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data,
+		struct drm_file *file)
+{
+	struct drm_exynos_file_private *file_priv = file->driver_priv;
+	struct exynos_drm_ipp_private *priv = file_priv->ipp_priv;
+	struct device *dev = priv->dev;
+	struct ipp_context *ctx = get_ipp_context(dev);
+	struct drm_exynos_ipp_queue_buf *qbuf = data;
+	struct drm_exynos_ipp_cmd_node *c_node;
+	struct drm_exynos_ipp_mem_node *m_node;
+	int ret;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (!qbuf) {
+		DRM_ERROR("invalid buf parameter.\n");
+		return -EINVAL;
+	}
+
+	if (qbuf->ops_id >= EXYNOS_DRM_OPS_MAX) {
+		DRM_ERROR("invalid ops parameter.\n");
+		return -EINVAL;
+	}
+
+	DRM_DEBUG_KMS("%s:prop_id[%d]ops_id[%s]buf_id[%d]buf_type[%d]\n",
+		__func__, qbuf->prop_id, qbuf->ops_id ? "dst" : "src",
+		qbuf->buf_id, qbuf->buf_type);
+
+	/* find command node */
+	c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock,
+		qbuf->prop_id);
+	if (!c_node) {
+		DRM_ERROR("failed to get command node.\n");
+		return -EFAULT;
+	}
+
+	/* buffer control */
+	switch (qbuf->buf_type) {
+	case IPP_BUF_ENQUEUE:
+		/* get memory node */
+		m_node = ipp_get_mem_node(drm_dev, file, c_node, qbuf);
+		if (IS_ERR_OR_NULL(m_node)) {
+			DRM_ERROR("failed to get m_node.\n");
+			return -EINVAL;
+		}
+
+		/*
+		 * first step get event for destination buffer.
+		 * and second step when M2M case run with destination buffer
+		 * if needed.
+		 */
+		if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) {
+			/* get event for destination buffer */
+			ret = ipp_get_event(drm_dev, file, c_node, qbuf);
+			if (ret) {
+				DRM_ERROR("failed to get event.\n");
+				goto err_clean_node;
+			}
+
+			/*
+			 * M2M case run play control for streaming feature.
+			 * other case set address and waiting.
+			 */
+			ret = ipp_queue_buf_with_run(dev, c_node, m_node, qbuf);
+			if (ret) {
+				DRM_ERROR("failed to run command.\n");
+				goto err_clean_node;
+			}
+		}
+		break;
+	case IPP_BUF_DEQUEUE:
+		mutex_lock(&c_node->cmd_lock);
+
+		/* put event for destination buffer */
+		if (qbuf->ops_id == EXYNOS_DRM_OPS_DST)
+			ipp_put_event(c_node, qbuf);
+
+		ipp_clean_queue_buf(drm_dev, c_node, qbuf);
+
+		mutex_unlock(&c_node->cmd_lock);
+		break;
+	default:
+		DRM_ERROR("invalid buffer control.\n");
+		return -EINVAL;
+	}
+
+	return 0;
+
+err_clean_node:
+	DRM_ERROR("clean memory nodes.\n");
+
+	ipp_clean_queue_buf(drm_dev, c_node, qbuf);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(exynos_drm_ipp_queue_buf);
+
+static bool exynos_drm_ipp_check_valid(struct device *dev,
+		enum drm_exynos_ipp_ctrl ctrl, enum drm_exynos_ipp_state state)
+{
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (ctrl != IPP_CTRL_PLAY) {
+		if (pm_runtime_suspended(dev)) {
+			DRM_ERROR("pm:runtime_suspended.\n");
+			goto err_status;
+		}
+	}
+
+	switch (ctrl) {
+	case IPP_CTRL_PLAY:
+		if (state != IPP_STATE_IDLE)
+			goto err_status;
+		break;
+	case IPP_CTRL_STOP:
+		if (state == IPP_STATE_STOP)
+			goto err_status;
+		break;
+	case IPP_CTRL_PAUSE:
+		if (state != IPP_STATE_START)
+			goto err_status;
+		break;
+	case IPP_CTRL_RESUME:
+		if (state != IPP_STATE_STOP)
+			goto err_status;
+		break;
+	default:
+		DRM_ERROR("invalid state.\n");
+		goto err_status;
+		break;
+	}
+
+	return true;
+
+err_status:
+	DRM_ERROR("invalid status:ctrl[%d]state[%d]\n", ctrl, state);
+	return false;
+}
+
+int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data,
+		struct drm_file *file)
+{
+	struct drm_exynos_file_private *file_priv = file->driver_priv;
+	struct exynos_drm_ipp_private *priv = file_priv->ipp_priv;
+	struct exynos_drm_ippdrv *ippdrv = NULL;
+	struct device *dev = priv->dev;
+	struct ipp_context *ctx = get_ipp_context(dev);
+	struct drm_exynos_ipp_cmd_ctrl *cmd_ctrl = data;
+	struct drm_exynos_ipp_cmd_work *cmd_work;
+	struct drm_exynos_ipp_cmd_node *c_node;
+	int ret = 0;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (!ctx) {
+		DRM_ERROR("invalid context.\n");
+		return -EINVAL;
+	}
+
+	if (!cmd_ctrl) {
+		DRM_ERROR("invalid control parameter.\n");
+		return -EINVAL;
+	}
+
+	DRM_DEBUG_KMS("%s:ctrl[%d]prop_id[%d]\n", __func__,
+		cmd_ctrl->ctrl, cmd_ctrl->prop_id);
+
+	ippdrv = ipp_find_drv_by_handle(cmd_ctrl->prop_id);
+	if (IS_ERR_OR_NULL(ippdrv)) {
+		DRM_ERROR("failed to get ipp driver.\n");
+		return -EINVAL;
+	}
+
+	c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock,
+		cmd_ctrl->prop_id);
+	if (!c_node) {
+		DRM_ERROR("invalid command node list.\n");
+		return -EINVAL;
+	}
+
+	if (!exynos_drm_ipp_check_valid(ippdrv->dev, cmd_ctrl->ctrl,
+	    c_node->state)) {
+		DRM_ERROR("invalid state.\n");
+		return -EINVAL;
+	}
+
+	switch (cmd_ctrl->ctrl) {
+	case IPP_CTRL_PLAY:
+		if (pm_runtime_suspended(ippdrv->dev))
+			pm_runtime_get_sync(ippdrv->dev);
+		c_node->state = IPP_STATE_START;
+
+		cmd_work = c_node->start_work;
+		cmd_work->ctrl = cmd_ctrl->ctrl;
+		ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node);
+		c_node->state = IPP_STATE_START;
+		break;
+	case IPP_CTRL_STOP:
+		cmd_work = c_node->stop_work;
+		cmd_work->ctrl = cmd_ctrl->ctrl;
+		ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node);
+
+		if (!wait_for_completion_timeout(&c_node->stop_complete,
+		    msecs_to_jiffies(300))) {
+			DRM_ERROR("timeout stop:prop_id[%d]\n",
+				c_node->property.prop_id);
+		}
+
+		c_node->state = IPP_STATE_STOP;
+		ippdrv->dedicated = false;
+		ipp_clean_cmd_node(c_node);
+
+		if (list_empty(&ippdrv->cmd_list))
+			pm_runtime_put_sync(ippdrv->dev);
+		break;
+	case IPP_CTRL_PAUSE:
+		cmd_work = c_node->stop_work;
+		cmd_work->ctrl = cmd_ctrl->ctrl;
+		ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node);
+
+		if (!wait_for_completion_timeout(&c_node->stop_complete,
+		    msecs_to_jiffies(200))) {
+			DRM_ERROR("timeout stop:prop_id[%d]\n",
+				c_node->property.prop_id);
+		}
+
+		c_node->state = IPP_STATE_STOP;
+		break;
+	case IPP_CTRL_RESUME:
+		c_node->state = IPP_STATE_START;
+		cmd_work = c_node->start_work;
+		cmd_work->ctrl = cmd_ctrl->ctrl;
+		ipp_handle_cmd_work(dev, ippdrv, cmd_work, c_node);
+		break;
+	default:
+		/* ToDo: expand ctrl operation */
+		DRM_ERROR("could not support this state currently.\n");
+		goto err_clear;
+	}
+
+	DRM_DEBUG_KMS("%s:done ctrl[%d]prop_id[%d]\n", __func__,
+		cmd_ctrl->ctrl, cmd_ctrl->prop_id);
+
+	return 0;
+
+err_clear:
+	return ret;
+}
+EXPORT_SYMBOL_GPL(exynos_drm_ipp_cmd_ctrl);
+
+int exynos_drm_ippnb_register(struct notifier_block *nb)
+{
+	return blocking_notifier_chain_register(
+			&exynos_drm_ippnb_list, nb);
+}
+EXPORT_SYMBOL_GPL(exynos_drm_ippnb_register);
+
+int exynos_drm_ippnb_unregister(struct notifier_block *nb)
+{
+	return blocking_notifier_chain_unregister(
+			&exynos_drm_ippnb_list, nb);
+}
+EXPORT_SYMBOL_GPL(exynos_drm_ippnb_unregister);
+
+int exynos_drm_ippnb_send_event(unsigned long val, void *v)
+{
+	return blocking_notifier_call_chain(
+			&exynos_drm_ippnb_list, val, v);
+}
+EXPORT_SYMBOL_GPL(exynos_drm_ippnb_send_event);
+
+static int ipp_set_property(struct exynos_drm_ippdrv *ippdrv,
+		struct drm_exynos_ipp_property *property)
+{
+	struct exynos_drm_ipp_ops *ops = NULL;
+	int ret, i, swap = 0;
+
+	if (!property) {
+		DRM_ERROR("invalid property parameter.\n");
+		return -EINVAL;
+	}
+
+	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, property->prop_id);
+
+	/* reset h/w block */
+	if (ippdrv->reset &&
+	    ippdrv->reset(ippdrv->dev)) {
+		DRM_ERROR("failed to reset.\n");
+		return -EINVAL;
+	}
+
+	/* set source,destination operations */
+	for_each_ipp_ops(i) {
+		/* ToDo: integrate property and config */
+		struct drm_exynos_ipp_config *config =
+			&property->config[i];
+
+		ops = ippdrv->ops[i];
+		if (!ops || !config) {
+			DRM_ERROR("not support ops and config.\n");
+			return -EINVAL;
+		}
+
+		/* set format */
+		if (ops->set_fmt) {
+			ret = ops->set_fmt(ippdrv->dev, config->fmt);
+			if (ret) {
+				DRM_ERROR("not support format.\n");
+				return ret;
+			}
+		}
+
+		/* set transform for rotation, flip */
+		if (ops->set_transf) {
+			swap = ops->set_transf(ippdrv->dev, config->degree,
+				config->flip);
+			if (swap < 0) {
+				DRM_ERROR("not support tranf.\n");
+				return -EINVAL;
+			}
+		}
+
+		/* set size */
+		if (ops->set_size) {
+			ret = ops->set_size(ippdrv->dev, swap, &config->pos,
+				&config->sz);
+			if (ret) {
+				DRM_ERROR("not support size.\n");
+				return ret;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv,
+		struct drm_exynos_ipp_cmd_node *c_node)
+{
+	struct drm_exynos_ipp_mem_node *m_node;
+	struct drm_exynos_ipp_property *property = &c_node->property;
+	struct list_head *head;
+	int ret, i;
+
+	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, property->prop_id);
+
+	/* store command info in ippdrv */
+	ippdrv->cmd = c_node;
+
+	if (!ipp_check_mem_list(c_node)) {
+		DRM_DEBUG_KMS("%s:empty memory.\n", __func__);
+		return -ENOMEM;
+	}
+
+	/* set current property in ippdrv */
+	ret = ipp_set_property(ippdrv, property);
+	if (ret) {
+		DRM_ERROR("failed to set property.\n");
+		ippdrv->cmd = NULL;
+		return ret;
+	}
+
+	/* check command */
+	switch (property->cmd) {
+	case IPP_CMD_M2M:
+		for_each_ipp_ops(i) {
+			/* source/destination memory list */
+			head = &c_node->mem_list[i];
+
+			m_node = list_first_entry(head,
+				struct drm_exynos_ipp_mem_node, list);
+			if (!m_node) {
+				DRM_ERROR("failed to get node.\n");
+				ret = -EFAULT;
+				return ret;
+			}
+
+			DRM_DEBUG_KMS("%s:m_node[0x%x]\n",
+				__func__, (int)m_node);
+
+			ret = ipp_set_mem_node(ippdrv, c_node, m_node);
+			if (ret) {
+				DRM_ERROR("failed to set m node.\n");
+				return ret;
+			}
+		}
+		break;
+	case IPP_CMD_WB:
+		/* destination memory list */
+		head = &c_node->mem_list[EXYNOS_DRM_OPS_DST];
+
+		list_for_each_entry(m_node, head, list) {
+			ret = ipp_set_mem_node(ippdrv, c_node, m_node);
+			if (ret) {
+				DRM_ERROR("failed to set m node.\n");
+				return ret;
+			}
+		}
+		break;
+	case IPP_CMD_OUTPUT:
+		/* source memory list */
+		head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC];
+
+		list_for_each_entry(m_node, head, list) {
+			ret = ipp_set_mem_node(ippdrv, c_node, m_node);
+			if (ret) {
+				DRM_ERROR("failed to set m node.\n");
+				return ret;
+			}
+		}
+		break;
+	default:
+		DRM_ERROR("invalid operations.\n");
+		return -EINVAL;
+	}
+
+	DRM_DEBUG_KMS("%s:cmd[%d]\n", __func__, property->cmd);
+
+	/* start operations */
+	if (ippdrv->start) {
+		ret = ippdrv->start(ippdrv->dev, property->cmd);
+		if (ret) {
+			DRM_ERROR("failed to start ops.\n");
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static int ipp_stop_property(struct drm_device *drm_dev,
+		struct exynos_drm_ippdrv *ippdrv,
+		struct drm_exynos_ipp_cmd_node *c_node)
+{
+	struct drm_exynos_ipp_mem_node *m_node, *tm_node;
+	struct drm_exynos_ipp_property *property = &c_node->property;
+	struct list_head *head;
+	int ret = 0, i;
+
+	DRM_DEBUG_KMS("%s:prop_id[%d]\n", __func__, property->prop_id);
+
+	/* put event */
+	ipp_put_event(c_node, NULL);
+
+	/* check command */
+	switch (property->cmd) {
+	case IPP_CMD_M2M:
+		for_each_ipp_ops(i) {
+			/* source/destination memory list */
+			head = &c_node->mem_list[i];
+
+			if (list_empty(head)) {
+				DRM_DEBUG_KMS("%s:mem_list is empty.\n",
+					__func__);
+				break;
+			}
+
+			list_for_each_entry_safe(m_node, tm_node,
+				head, list) {
+				ret = ipp_put_mem_node(drm_dev, c_node,
+					m_node);
+				if (ret) {
+					DRM_ERROR("failed to put m_node.\n");
+					goto err_clear;
+				}
+			}
+		}
+		break;
+	case IPP_CMD_WB:
+		/* destination memory list */
+		head = &c_node->mem_list[EXYNOS_DRM_OPS_DST];
+
+		if (list_empty(head)) {
+			DRM_DEBUG_KMS("%s:mem_list is empty.\n", __func__);
+			break;
+		}
+
+		list_for_each_entry_safe(m_node, tm_node, head, list) {
+			ret = ipp_put_mem_node(drm_dev, c_node, m_node);
+			if (ret) {
+				DRM_ERROR("failed to put m_node.\n");
+				goto err_clear;
+			}
+		}
+		break;
+	case IPP_CMD_OUTPUT:
+		/* source memory list */
+		head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC];
+
+		if (list_empty(head)) {
+			DRM_DEBUG_KMS("%s:mem_list is empty.\n", __func__);
+			break;
+		}
+
+		list_for_each_entry_safe(m_node, tm_node, head, list) {
+			ret = ipp_put_mem_node(drm_dev, c_node, m_node);
+			if (ret) {
+				DRM_ERROR("failed to put m_node.\n");
+				goto err_clear;
+			}
+		}
+		break;
+	default:
+		DRM_ERROR("invalid operations.\n");
+		ret = -EINVAL;
+		goto err_clear;
+	}
+
+err_clear:
+	/* stop operations */
+	if (ippdrv->stop)
+		ippdrv->stop(ippdrv->dev, property->cmd);
+
+	return ret;
+}
+
+void ipp_sched_cmd(struct work_struct *work)
+{
+	struct drm_exynos_ipp_cmd_work *cmd_work =
+		(struct drm_exynos_ipp_cmd_work *)work;
+	struct exynos_drm_ippdrv *ippdrv;
+	struct drm_exynos_ipp_cmd_node *c_node;
+	struct drm_exynos_ipp_property *property;
+	int ret;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	ippdrv = cmd_work->ippdrv;
+	if (!ippdrv) {
+		DRM_ERROR("invalid ippdrv list.\n");
+		return;
+	}
+
+	c_node = cmd_work->c_node;
+	if (!c_node) {
+		DRM_ERROR("invalid command node list.\n");
+		return;
+	}
+
+	mutex_lock(&c_node->cmd_lock);
+
+	property = &c_node->property;
+	if (!property) {
+		DRM_ERROR("failed to get property:prop_id[%d]\n",
+			c_node->property.prop_id);
+		goto err_unlock;
+	}
+
+	switch (cmd_work->ctrl) {
+	case IPP_CTRL_PLAY:
+	case IPP_CTRL_RESUME:
+		ret = ipp_start_property(ippdrv, c_node);
+		if (ret) {
+			DRM_ERROR("failed to start property:prop_id[%d]\n",
+				c_node->property.prop_id);
+			goto err_unlock;
+		}
+
+		/*
+		 * M2M case supports wait_completion of transfer.
+		 * because M2M case supports single unit operation
+		 * with multiple queue.
+		 * M2M need to wait completion of data transfer.
+		 */
+		if (ipp_is_m2m_cmd(property->cmd)) {
+			if (!wait_for_completion_timeout
+			    (&c_node->start_complete, msecs_to_jiffies(200))) {
+				DRM_ERROR("timeout event:prop_id[%d]\n",
+					c_node->property.prop_id);
+				goto err_unlock;
+			}
+		}
+		break;
+	case IPP_CTRL_STOP:
+	case IPP_CTRL_PAUSE:
+		ret = ipp_stop_property(ippdrv->drm_dev, ippdrv,
+			c_node);
+		if (ret) {
+			DRM_ERROR("failed to stop property.\n");
+			goto err_unlock;
+		}
+
+		complete(&c_node->stop_complete);
+		break;
+	default:
+		DRM_ERROR("unknown control type\n");
+		break;
+	}
+
+	DRM_DEBUG_KMS("%s:ctrl[%d] done.\n", __func__, cmd_work->ctrl);
+
+err_unlock:
+	mutex_unlock(&c_node->cmd_lock);
+}
+
+static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv,
+		struct drm_exynos_ipp_cmd_node *c_node, int *buf_id)
+{
+	struct drm_device *drm_dev = ippdrv->drm_dev;
+	struct drm_exynos_ipp_property *property = &c_node->property;
+	struct drm_exynos_ipp_mem_node *m_node;
+	struct drm_exynos_ipp_queue_buf qbuf;
+	struct drm_exynos_ipp_send_event *e;
+	struct list_head *head;
+	struct timeval now;
+	unsigned long flags;
+	u32 tbuf_id[EXYNOS_DRM_OPS_MAX] = {0, };
+	int ret, i;
+
+	for_each_ipp_ops(i)
+		DRM_DEBUG_KMS("%s:%s buf_id[%d]\n", __func__,
+			i ? "dst" : "src", buf_id[i]);
+
+	if (!drm_dev) {
+		DRM_ERROR("failed to get drm_dev.\n");
+		return -EINVAL;
+	}
+
+	if (!property) {
+		DRM_ERROR("failed to get property.\n");
+		return -EINVAL;
+	}
+
+	if (list_empty(&c_node->event_list)) {
+		DRM_DEBUG_KMS("%s:event list is empty.\n", __func__);
+		return 0;
+	}
+
+	if (!ipp_check_mem_list(c_node)) {
+		DRM_DEBUG_KMS("%s:empty memory.\n", __func__);
+		return 0;
+	}
+
+	/* check command */
+	switch (property->cmd) {
+	case IPP_CMD_M2M:
+		for_each_ipp_ops(i) {
+			/* source/destination memory list */
+			head = &c_node->mem_list[i];
+
+			m_node = list_first_entry(head,
+				struct drm_exynos_ipp_mem_node, list);
+			if (!m_node) {
+				DRM_ERROR("empty memory node.\n");
+				return -ENOMEM;
+			}
+
+			tbuf_id[i] = m_node->buf_id;
+			DRM_DEBUG_KMS("%s:%s buf_id[%d]\n", __func__,
+				i ? "dst" : "src", tbuf_id[i]);
+
+			ret = ipp_put_mem_node(drm_dev, c_node, m_node);
+			if (ret)
+				DRM_ERROR("failed to put m_node.\n");
+		}
+		break;
+	case IPP_CMD_WB:
+		/* clear buf for finding */
+		memset(&qbuf, 0x0, sizeof(qbuf));
+		qbuf.ops_id = EXYNOS_DRM_OPS_DST;
+		qbuf.buf_id = buf_id[EXYNOS_DRM_OPS_DST];
+
+		/* get memory node entry */
+		m_node = ipp_find_mem_node(c_node, &qbuf);
+		if (!m_node) {
+			DRM_ERROR("empty memory node.\n");
+			return -ENOMEM;
+		}
+
+		tbuf_id[EXYNOS_DRM_OPS_DST] = m_node->buf_id;
+
+		ret = ipp_put_mem_node(drm_dev, c_node, m_node);
+		if (ret)
+			DRM_ERROR("failed to put m_node.\n");
+		break;
+	case IPP_CMD_OUTPUT:
+		/* source memory list */
+		head = &c_node->mem_list[EXYNOS_DRM_OPS_SRC];
+
+		m_node = list_first_entry(head,
+			struct drm_exynos_ipp_mem_node, list);
+		if (!m_node) {
+			DRM_ERROR("empty memory node.\n");
+			return -ENOMEM;
+		}
+
+		tbuf_id[EXYNOS_DRM_OPS_SRC] = m_node->buf_id;
+
+		ret = ipp_put_mem_node(drm_dev, c_node, m_node);
+		if (ret)
+			DRM_ERROR("failed to put m_node.\n");
+		break;
+	default:
+		DRM_ERROR("invalid operations.\n");
+		return -EINVAL;
+	}
+
+	/* ToDo: Fix buffer id */
+	if (tbuf_id[EXYNOS_DRM_OPS_DST] != buf_id[EXYNOS_DRM_OPS_DST])
+		DRM_ERROR("failed to match buf_id[%d %d]prop_id[%d]\n",
+			tbuf_id[1], buf_id[1], property->prop_id);
+
+	/*
+	 * command node have event list of destination buffer
+	 * If destination buffer enqueue to mem list,
+	 * then we make event and link to event list tail.
+	 * so, we get first event for first enqueued buffer.
+	 */
+	e = list_first_entry(&c_node->event_list,
+		struct drm_exynos_ipp_send_event, base.link);
+
+	if (!e) {
+		DRM_ERROR("empty event.\n");
+		return -EINVAL;
+	}
+
+	do_gettimeofday(&now);
+	DRM_DEBUG_KMS("%s:tv_sec[%ld]tv_usec[%ld]\n"
+		, __func__, now.tv_sec, now.tv_usec);
+	e->event.tv_sec = now.tv_sec;
+	e->event.tv_usec = now.tv_usec;
+	e->event.prop_id = property->prop_id;
+
+	/* set buffer id about source destination */
+	for_each_ipp_ops(i)
+		e->event.buf_id[i] = tbuf_id[i];
+
+	/* ToDo: compare index. If needed */
+
+	spin_lock_irqsave(&drm_dev->event_lock, flags);
+	list_move_tail(&e->base.link, &e->base.file_priv->event_list);
+	wake_up_interruptible(&e->base.file_priv->event_wait);
+	spin_unlock_irqrestore(&drm_dev->event_lock, flags);
+
+	DRM_DEBUG_KMS("%s:done cmd[%d]prop_id[%d]buf_id[%d]\n", __func__,
+		property->cmd, property->prop_id, tbuf_id[EXYNOS_DRM_OPS_DST]);
+
+	return 0;
+}
+
+void ipp_sched_event(struct work_struct *work)
+{
+	struct drm_exynos_ipp_event_work *event_work =
+		(struct drm_exynos_ipp_event_work *)work;
+	struct exynos_drm_ippdrv *ippdrv;
+	struct drm_exynos_ipp_cmd_node *c_node;
+	int ret;
+
+	if (!event_work) {
+		DRM_ERROR("failed to get event_work.\n");
+		return;
+	}
+
+	DRM_DEBUG_KMS("%s:buf_id[%d]\n", __func__,
+		event_work->buf_id[EXYNOS_DRM_OPS_DST]);
+
+	ippdrv = event_work->ippdrv;
+	if (!ippdrv) {
+		DRM_ERROR("failed to get ipp driver.\n");
+		return;
+	}
+
+	c_node = ippdrv->cmd;
+	if (!c_node) {
+		DRM_ERROR("failed to get command node.\n");
+		return;
+	}
+
+	/*
+	 * IPP supports command thread, event thread synchronization.
+	 * If IPP close immediately from user land, then IPP make
+	 * synchronization with command thread, so make complete event.
+	 * or going out operations.
+	 */
+	if (c_node->state != IPP_STATE_START) {
+		DRM_DEBUG_KMS("%s:bypass state[%d]prop_id[%d]\n",
+			__func__, c_node->state, c_node->property.prop_id);
+		goto err_completion;
+	}
+
+	mutex_lock(&c_node->event_lock);
+
+	ret = ipp_send_event(ippdrv, c_node, event_work->buf_id);
+	if (ret) {
+		DRM_ERROR("failed to send event.\n");
+		goto err_completion;
+	}
+
+err_completion:
+	if (ipp_is_m2m_cmd(c_node->property.cmd))
+		complete(&c_node->start_complete);
+
+	mutex_unlock(&c_node->event_lock);
+}
+
+static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev)
+{
+	struct ipp_context *ctx = get_ipp_context(dev);
+	struct exynos_drm_ippdrv *ippdrv;
+	int ret, count = 0;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	/* get ipp driver entry */
+	list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) {
+		ippdrv->drm_dev = drm_dev;
+
+		ret = ipp_create_id(&ctx->ipp_idr, &ctx->ipp_lock, ippdrv,
+			&ippdrv->ipp_id);
+		if (ret) {
+			DRM_ERROR("failed to create id.\n");
+			goto err_idr;
+		}
+
+		DRM_DEBUG_KMS("%s:count[%d]ippdrv[0x%x]ipp_id[%d]\n", __func__,
+			count++, (int)ippdrv, ippdrv->ipp_id);
+
+		if (ippdrv->ipp_id == 0) {
+			DRM_ERROR("failed to get ipp_id[%d]\n",
+				ippdrv->ipp_id);
+			goto err_idr;
+		}
+
+		/* store parent device for node */
+		ippdrv->parent_dev = dev;
+
+		/* store event work queue and handler */
+		ippdrv->event_workq = ctx->event_workq;
+		ippdrv->sched_event = ipp_sched_event;
+		INIT_LIST_HEAD(&ippdrv->cmd_list);
+	}
+
+	return 0;
+
+err_idr:
+	idr_remove_all(&ctx->ipp_idr);
+	idr_remove_all(&ctx->prop_idr);
+	idr_destroy(&ctx->ipp_idr);
+	idr_destroy(&ctx->prop_idr);
+	return ret;
+}
+
+static void ipp_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
+{
+	struct exynos_drm_ippdrv *ippdrv;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	/* get ipp driver entry */
+	list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) {
+		ippdrv->drm_dev = NULL;
+		exynos_drm_ippdrv_unregister(ippdrv);
+	}
+
+	/* ToDo: free notifier callback list if needed */
+}
+
+static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev,
+		struct drm_file *file)
+{
+	struct drm_exynos_file_private *file_priv = file->driver_priv;
+	struct exynos_drm_ipp_private *priv;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	/* ToDo: multi device open */
+
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	if (!priv) {
+		DRM_ERROR("failed to allocate priv.\n");
+		return -ENOMEM;
+	}
+	priv->dev = dev;
+	file_priv->ipp_priv = priv;
+
+	INIT_LIST_HEAD(&priv->event_list);
+
+	DRM_DEBUG_KMS("%s:done priv[0x%x]\n", __func__, (int)priv);
+
+	return 0;
+}
+
+static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev,
+		struct drm_file *file)
+{
+	struct drm_exynos_file_private *file_priv = file->driver_priv;
+	struct exynos_drm_ipp_private *priv = file_priv->ipp_priv;
+	struct exynos_drm_ippdrv *ippdrv = NULL;
+	struct drm_exynos_ipp_cmd_node *c_node, *tc_node;
+	int count = 0;
+
+	DRM_DEBUG_KMS("%s:for priv[0x%x]\n", __func__, (int)priv);
+
+	if (list_empty(&exynos_drm_ippdrv_list)) {
+		DRM_DEBUG_KMS("%s:ippdrv_list is empty.\n", __func__);
+		goto err_clear;
+	}
+
+	list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) {
+		if (list_empty(&ippdrv->cmd_list))
+			continue;
+
+		list_for_each_entry_safe(c_node, tc_node,
+			&ippdrv->cmd_list, list) {
+			DRM_DEBUG_KMS("%s:count[%d]ippdrv[0x%x]\n",
+				__func__, count++, (int)ippdrv);
+
+			if (c_node->priv == priv) {
+				/*
+				 * userland goto unnormal state. process killed.
+				 * and close the file.
+				 * so, IPP didn't called stop cmd ctrl.
+				 * so, we are make stop operation in this state.
+				 */
+				if (c_node->state == IPP_STATE_START) {
+					ipp_stop_property(drm_dev, ippdrv,
+						c_node);
+					c_node->state = IPP_STATE_STOP;
+				}
+
+				ippdrv->dedicated = false;
+				ipp_clean_cmd_node(c_node);
+				if (list_empty(&ippdrv->cmd_list))
+					pm_runtime_put_sync(ippdrv->dev);
+			}
+		}
+	}
+
+err_clear:
+	kfree(priv);
+	return;
+}
+
+static int __devinit ipp_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct ipp_context *ctx;
+	struct exynos_drm_subdrv *subdrv;
+	int ret;
+
+	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	mutex_init(&ctx->ipp_lock);
+	mutex_init(&ctx->prop_lock);
+
+	idr_init(&ctx->ipp_idr);
+	idr_init(&ctx->prop_idr);
+
+	/*
+	 * create single thread for ipp event
+	 * IPP supports event thread for IPP drivers.
+	 * IPP driver send event_work to this thread.
+	 * and IPP event thread send event to user process.
+	 */
+	ctx->event_workq = create_singlethread_workqueue("ipp_event");
+	if (!ctx->event_workq) {
+		dev_err(dev, "failed to create event workqueue\n");
+		ret = -EINVAL;
+		goto err_clear;
+	}
+
+	/*
+	 * create single thread for ipp command
+	 * IPP supports command thread for user process.
+	 * user process make command node using set property ioctl.
+	 * and make start_work and send this work to command thread.
+	 * and then this command thread start property.
+	 */
+	ctx->cmd_workq = create_singlethread_workqueue("ipp_cmd");
+	if (!ctx->cmd_workq) {
+		dev_err(dev, "failed to create cmd workqueue\n");
+		ret = -EINVAL;
+		goto err_event_workq;
+	}
+
+	/* set sub driver informations */
+	subdrv = &ctx->subdrv;
+	subdrv->dev = dev;
+	subdrv->probe = ipp_subdrv_probe;
+	subdrv->remove = ipp_subdrv_remove;
+	subdrv->open = ipp_subdrv_open;
+	subdrv->close = ipp_subdrv_close;
+
+	platform_set_drvdata(pdev, ctx);
+
+	ret = exynos_drm_subdrv_register(subdrv);
+	if (ret < 0) {
+		DRM_ERROR("failed to register drm ipp device.\n");
+		goto err_cmd_workq;
+	}
+
+	dev_info(&pdev->dev, "drm ipp registered successfully.\n");
+
+	return 0;
+
+err_cmd_workq:
+	destroy_workqueue(ctx->cmd_workq);
+err_event_workq:
+	destroy_workqueue(ctx->event_workq);
+err_clear:
+	kfree(ctx);
+	return ret;
+}
+
+static int __devexit ipp_remove(struct platform_device *pdev)
+{
+	struct ipp_context *ctx = platform_get_drvdata(pdev);
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	/* unregister sub driver */
+	exynos_drm_subdrv_unregister(&ctx->subdrv);
+
+	/* remove,destroy ipp idr */
+	idr_remove_all(&ctx->ipp_idr);
+	idr_remove_all(&ctx->prop_idr);
+	idr_destroy(&ctx->ipp_idr);
+	idr_destroy(&ctx->prop_idr);
+
+	mutex_destroy(&ctx->ipp_lock);
+	mutex_destroy(&ctx->prop_lock);
+
+	/* destroy command, event work queue */
+	destroy_workqueue(ctx->cmd_workq);
+	destroy_workqueue(ctx->event_workq);
+
+	kfree(ctx);
+
+	return 0;
+}
+
+static int ipp_power_ctrl(struct ipp_context *ctx, bool enable)
+{
+	/* ToDo: Need to implement power and sysmmu ctrl. */
+	DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int ipp_suspend(struct device *dev)
+{
+	struct ipp_context *ctx = get_ipp_context(dev);
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (pm_runtime_suspended(dev))
+		return 0;
+
+	return ipp_power_ctrl(ctx, false);
+}
+
+static int ipp_resume(struct device *dev)
+{
+	struct ipp_context *ctx = get_ipp_context(dev);
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	if (!pm_runtime_suspended(dev))
+		return ipp_power_ctrl(ctx, true);
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_PM_RUNTIME
+static int ipp_runtime_suspend(struct device *dev)
+{
+	struct ipp_context *ctx = get_ipp_context(dev);
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	return ipp_power_ctrl(ctx, false);
+}
+
+static int ipp_runtime_resume(struct device *dev)
+{
+	struct ipp_context *ctx = get_ipp_context(dev);
+
+	DRM_DEBUG_KMS("%s\n", __func__);
+
+	return ipp_power_ctrl(ctx, true);
+}
+#endif
+
+static const struct dev_pm_ops ipp_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(ipp_suspend, ipp_resume)
+	SET_RUNTIME_PM_OPS(ipp_runtime_suspend, ipp_runtime_resume, NULL)
+};
+
+struct platform_driver ipp_driver = {
+	.probe		= ipp_probe,
+	.remove		= __devexit_p(ipp_remove),
+	.driver		= {
+		.name	= "exynos-drm-ipp",
+		.owner	= THIS_MODULE,
+		.pm	= &ipp_pm_ops,
+	},
+};
+
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.h b/drivers/gpu/drm/exynos/exynos_drm_ipp.h
new file mode 100644
index 0000000..baab1f0
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.h
@@ -0,0 +1,266 @@
+/*
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *
+ * Authors:
+ *	Eunchul Kim <chulspro.kim@samsung.com>
+ *	Jinyoung Jeon <jy0.jeon@samsung.com>
+ *	Sangmin Lee <lsmin.lee@samsung.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _EXYNOS_DRM_IPP_H_
+#define _EXYNOS_DRM_IPP_H_
+
+#define for_each_ipp_ops(pos)	\
+	for (pos = 0; pos < EXYNOS_DRM_OPS_MAX; pos++)
+#define for_each_ipp_planar(pos)	\
+	for (pos = 0; pos < EXYNOS_DRM_PLANAR_MAX; pos++)
+
+#define IPP_GET_LCD_WIDTH	_IOR('F', 302, int)
+#define IPP_GET_LCD_HEIGHT	_IOR('F', 303, int)
+#define IPP_SET_WRITEBACK	_IOW('F', 304, u32)
+
+/* definition of state */
+enum drm_exynos_ipp_state {
+	IPP_STATE_IDLE,
+	IPP_STATE_START,
+	IPP_STATE_STOP,
+};
+
+/*
+ * A structure of command work information.
+ * @work: work structure.
+ * @ippdrv: current work ippdrv.
+ * @c_node: command node information.
+ * @ctrl: command control.
+ */
+struct drm_exynos_ipp_cmd_work {
+	struct work_struct	work;
+	struct exynos_drm_ippdrv	*ippdrv;
+	struct drm_exynos_ipp_cmd_node *c_node;
+	enum drm_exynos_ipp_ctrl	ctrl;
+};
+
+/*
+ * A structure of command node.
+ *
+ * @priv: IPP private infomation.
+ * @list: list head to command queue information.
+ * @event_list: list head of event.
+ * @mem_list: list head to source,destination memory queue information.
+ * @cmd_lock: lock for synchronization of access to ioctl.
+ * @mem_lock: lock for synchronization of access to memory nodes.
+ * @event_lock: lock for synchronization of access to scheduled event.
+ * @start_complete: completion of start of command.
+ * @stop_complete: completion of stop of command.
+ * @property: property information.
+ * @start_work: start command work structure.
+ * @stop_work: stop command work structure.
+ * @event_work: event work structure.
+ * @state: state of command node.
+ */
+struct drm_exynos_ipp_cmd_node {
+	struct exynos_drm_ipp_private *priv;
+	struct list_head	list;
+	struct list_head	event_list;
+	struct list_head	mem_list[EXYNOS_DRM_OPS_MAX];
+	struct mutex	cmd_lock;
+	struct mutex	mem_lock;
+	struct mutex	event_lock;
+	struct completion	start_complete;
+	struct completion	stop_complete;
+	struct drm_exynos_ipp_property	property;
+	struct drm_exynos_ipp_cmd_work *start_work;
+	struct drm_exynos_ipp_cmd_work *stop_work;
+	struct drm_exynos_ipp_event_work *event_work;
+	enum drm_exynos_ipp_state	state;
+};
+
+/*
+ * A structure of buffer information.
+ *
+ * @gem_objs: Y, Cb, Cr each gem object.
+ * @base: Y, Cb, Cr each planar address.
+ */
+struct drm_exynos_ipp_buf_info {
+	unsigned long	handles[EXYNOS_DRM_PLANAR_MAX];
+	dma_addr_t	base[EXYNOS_DRM_PLANAR_MAX];
+};
+
+/*
+ * A structure of wb setting infomation.
+ *
+ * @enable: enable flag for wb.
+ * @refresh: HZ of the refresh rate.
+ */
+struct drm_exynos_ipp_set_wb {
+	__u32	enable;
+	__u32	refresh;
+};
+
+/*
+ * A structure of event work information.
+ *
+ * @work: work structure.
+ * @ippdrv: current work ippdrv.
+ * @buf_id: id of src, dst buffer.
+ */
+struct drm_exynos_ipp_event_work {
+	struct work_struct	work;
+	struct exynos_drm_ippdrv *ippdrv;
+	u32	buf_id[EXYNOS_DRM_OPS_MAX];
+};
+
+/*
+ * A structure of source,destination operations.
+ *
+ * @set_fmt: set format of image.
+ * @set_transf: set transform(rotations, flip).
+ * @set_size: set size of region.
+ * @set_addr: set address for dma.
+ */
+struct exynos_drm_ipp_ops {
+	int (*set_fmt)(struct device *dev, u32 fmt);
+	int (*set_transf)(struct device *dev,
+		enum drm_exynos_degree degree,
+		enum drm_exynos_flip flip);
+	int (*set_size)(struct device *dev, int swap,
+		struct drm_exynos_pos *pos, struct drm_exynos_sz *sz);
+	int (*set_addr)(struct device *dev,
+			 struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id,
+		enum drm_exynos_ipp_buf_type buf_type);
+};
+
+/*
+ * A structure of ipp driver.
+ *
+ * @drv_list: list head for registed sub driver information.
+ * @parent_dev: parent device information.
+ * @dev: platform device.
+ * @drm_dev: drm device.
+ * @ipp_id: id of ipp driver.
+ * @dedicated: dedicated ipp device.
+ * @ops: source, destination operations.
+ * @event_workq: event work queue.
+ * @cmd: current command information.
+ * @cmd_list: list head for command information.
+ * @prop_list: property informations of current ipp driver.
+ * @check_property: check property about format, size, buffer.
+ * @reset: reset ipp block.
+ * @start: ipp each device start.
+ * @stop: ipp each device stop.
+ * @sched_event: work schedule handler.
+ */
+struct exynos_drm_ippdrv {
+	struct list_head	drv_list;
+	struct device	*parent_dev;
+	struct device	*dev;
+	struct drm_device	*drm_dev;
+	u32	ipp_id;
+	bool	dedicated;
+	struct exynos_drm_ipp_ops	*ops[EXYNOS_DRM_OPS_MAX];
+	struct workqueue_struct	*event_workq;
+	struct drm_exynos_ipp_cmd_node *cmd;
+	struct list_head	cmd_list;
+	struct drm_exynos_ipp_prop_list *prop_list;
+
+	int (*check_property)(struct device *dev,
+		struct drm_exynos_ipp_property *property);
+	int (*reset)(struct device *dev);
+	int (*start)(struct device *dev, enum drm_exynos_ipp_cmd cmd);
+	void (*stop)(struct device *dev, enum drm_exynos_ipp_cmd cmd);
+	void (*sched_event)(struct work_struct *work);
+};
+
+#ifdef CONFIG_DRM_EXYNOS_IPP
+extern int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv);
+extern int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv);
+extern int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data,
+					 struct drm_file *file);
+extern int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data,
+					 struct drm_file *file);
+extern int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data,
+					 struct drm_file *file);
+extern int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data,
+					 struct drm_file *file);
+extern int exynos_drm_ippnb_register(struct notifier_block *nb);
+extern int exynos_drm_ippnb_unregister(struct notifier_block *nb);
+extern int exynos_drm_ippnb_send_event(unsigned long val, void *v);
+extern void ipp_sched_cmd(struct work_struct *work);
+extern void ipp_sched_event(struct work_struct *work);
+
+#else
+static inline int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv)
+{
+	return -ENODEV;
+}
+
+static inline int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv)
+{
+	return -ENODEV;
+}
+
+static inline int exynos_drm_ipp_get_property(struct drm_device *drm_dev,
+						void *data,
+						struct drm_file *file_priv)
+{
+	return -ENOTTY;
+}
+
+static inline int exynos_drm_ipp_set_property(struct drm_device *drm_dev,
+						void *data,
+						struct drm_file *file_priv)
+{
+	return -ENOTTY;
+}
+
+static inline int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev,
+						void *data,
+						struct drm_file *file)
+{
+	return -ENOTTY;
+}
+
+static inline int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev,
+						void *data,
+						struct drm_file *file)
+{
+	return -ENOTTY;
+}
+
+static inline int exynos_drm_ippnb_register(struct notifier_block *nb)
+{
+	return -ENODEV;
+}
+
+static inline int exynos_drm_ippnb_unregister(struct notifier_block *nb)
+{
+	return -ENODEV;
+}
+
+static inline int exynos_drm_ippnb_send_event(unsigned long val, void *v)
+{
+	return -ENOTTY;
+}
+#endif
+
+#endif /* _EXYNOS_DRM_IPP_H_ */
+
diff --git a/include/uapi/drm/exynos_drm.h b/include/uapi/drm/exynos_drm.h
index c0494d5..82772d7 100644
--- a/include/uapi/drm/exynos_drm.h
+++ b/include/uapi/drm/exynos_drm.h
@@ -154,6 +154,170 @@ struct drm_exynos_g2d_exec {
 	__u64					async;
 };
 
+enum drm_exynos_ops_id {
+	EXYNOS_DRM_OPS_SRC,
+	EXYNOS_DRM_OPS_DST,
+	EXYNOS_DRM_OPS_MAX,
+};
+
+struct drm_exynos_sz {
+	__u32	hsize;
+	__u32	vsize;
+};
+
+struct drm_exynos_pos {
+	__u32	x;
+	__u32	y;
+	__u32	w;
+	__u32	h;
+};
+
+enum drm_exynos_flip {
+	EXYNOS_DRM_FLIP_NONE = (0 << 0),
+	EXYNOS_DRM_FLIP_VERTICAL = (1 << 0),
+	EXYNOS_DRM_FLIP_HORIZONTAL = (1 << 1),
+};
+
+enum drm_exynos_degree {
+	EXYNOS_DRM_DEGREE_0,
+	EXYNOS_DRM_DEGREE_90,
+	EXYNOS_DRM_DEGREE_180,
+	EXYNOS_DRM_DEGREE_270,
+};
+
+enum drm_exynos_planer {
+	EXYNOS_DRM_PLANAR_Y,
+	EXYNOS_DRM_PLANAR_CB,
+	EXYNOS_DRM_PLANAR_CR,
+	EXYNOS_DRM_PLANAR_MAX,
+};
+
+/**
+ * A structure for ipp supported property list.
+ *
+ * @version: version of this structure.
+ * @ipp_id: id of ipp driver.
+ * @count: count of ipp driver.
+ * @writeback: flag of writeback supporting.
+ * @flip: flag of flip supporting.
+ * @degree: flag of degree information.
+ * @csc: flag of csc supporting.
+ * @crop: flag of crop supporting.
+ * @scale: flag of scale supporting.
+ * @refresh_min: min hz of refresh.
+ * @refresh_max: max hz of refresh.
+ * @crop_min: crop min resolution.
+ * @crop_max: crop max resolution.
+ * @scale_min: scale min resolution.
+ * @scale_max: scale max resolution.
+ */
+struct drm_exynos_ipp_prop_list {
+	__u32	version;
+	__u32	ipp_id;
+	__u32	count;
+	__u32	writeback;
+	__u32	flip;
+	__u32	degree;
+	__u32	csc;
+	__u32	crop;
+	__u32	scale;
+	__u32	refresh_min;
+	__u32	refresh_max;
+	__u32	reserved;
+	struct drm_exynos_sz	crop_min;
+	struct drm_exynos_sz	crop_max;
+	struct drm_exynos_sz	scale_min;
+	struct drm_exynos_sz	scale_max;
+};
+
+/**
+ * A structure for ipp config.
+ *
+ * @ops_id: property of operation directions.
+ * @flip: property of mirror, flip.
+ * @degree: property of rotation degree.
+ * @fmt: property of image format.
+ * @sz: property of image size.
+ * @pos: property of image position(src-cropped,dst-scaler).
+ */
+struct drm_exynos_ipp_config {
+	enum drm_exynos_ops_id ops_id;
+	enum drm_exynos_flip	flip;
+	enum drm_exynos_degree	degree;
+	__u32	fmt;
+	struct drm_exynos_sz	sz;
+	struct drm_exynos_pos	pos;
+};
+
+enum drm_exynos_ipp_cmd {
+	IPP_CMD_NONE,
+	IPP_CMD_M2M,
+	IPP_CMD_WB,
+	IPP_CMD_OUTPUT,
+	IPP_CMD_MAX,
+};
+
+/**
+ * A structure for ipp property.
+ *
+ * @config: source, destination config.
+ * @cmd: definition of command.
+ * @ipp_id: id of ipp driver.
+ * @prop_id: id of property.
+ * @refresh_rate: refresh rate.
+ */
+struct drm_exynos_ipp_property {
+	struct drm_exynos_ipp_config config[EXYNOS_DRM_OPS_MAX];
+	enum drm_exynos_ipp_cmd	cmd;
+	__u32	ipp_id;
+	__u32	prop_id;
+	__u32	refresh_rate;
+};
+
+enum drm_exynos_ipp_buf_type {
+	IPP_BUF_ENQUEUE,
+	IPP_BUF_DEQUEUE,
+};
+
+/**
+ * A structure for ipp buffer operations.
+ *
+ * @ops_id: operation directions.
+ * @buf_type: definition of buffer.
+ * @prop_id: id of property.
+ * @buf_id: id of buffer.
+ * @handle: Y, Cb, Cr each planar handle.
+ * @user_data: user data.
+ */
+struct drm_exynos_ipp_queue_buf {
+	enum drm_exynos_ops_id	ops_id;
+	enum drm_exynos_ipp_buf_type	buf_type;
+	__u32	prop_id;
+	__u32	buf_id;
+	__u32	handle[EXYNOS_DRM_PLANAR_MAX];
+	__u32	reserved;
+	__u64	user_data;
+};
+
+enum drm_exynos_ipp_ctrl {
+	IPP_CTRL_PLAY,
+	IPP_CTRL_STOP,
+	IPP_CTRL_PAUSE,
+	IPP_CTRL_RESUME,
+	IPP_CTRL_MAX,
+};
+
+/**
+ * A structure for ipp start/stop operations.
+ *
+ * @prop_id: id of property.
+ * @ctrl: definition of control.
+ */
+struct drm_exynos_ipp_cmd_ctrl {
+	__u32	prop_id;
+	enum drm_exynos_ipp_ctrl	ctrl;
+};
+
 #define DRM_EXYNOS_GEM_CREATE		0x00
 #define DRM_EXYNOS_GEM_MAP_OFFSET	0x01
 #define DRM_EXYNOS_GEM_MMAP		0x02
@@ -166,6 +330,12 @@ struct drm_exynos_g2d_exec {
 #define DRM_EXYNOS_G2D_SET_CMDLIST	0x21
 #define DRM_EXYNOS_G2D_EXEC		0x22
 
+/* IPP - Image Post Processing */
+#define DRM_EXYNOS_IPP_GET_PROPERTY	0x30
+#define DRM_EXYNOS_IPP_SET_PROPERTY	0x31
+#define DRM_EXYNOS_IPP_QUEUE_BUF	0x32
+#define DRM_EXYNOS_IPP_CMD_CTRL	0x33
+
 #define DRM_IOCTL_EXYNOS_GEM_CREATE		DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
 
@@ -188,8 +358,18 @@ struct drm_exynos_g2d_exec {
 #define DRM_IOCTL_EXYNOS_G2D_EXEC		DRM_IOWR(DRM_COMMAND_BASE + \
 		DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec)
 
+#define DRM_IOCTL_EXYNOS_IPP_GET_PROPERTY	DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_EXYNOS_IPP_GET_PROPERTY, struct drm_exynos_ipp_prop_list)
+#define DRM_IOCTL_EXYNOS_IPP_SET_PROPERTY	DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_EXYNOS_IPP_SET_PROPERTY, struct drm_exynos_ipp_property)
+#define DRM_IOCTL_EXYNOS_IPP_QUEUE_BUF	DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_EXYNOS_IPP_QUEUE_BUF, struct drm_exynos_ipp_queue_buf)
+#define DRM_IOCTL_EXYNOS_IPP_CMD_CTRL		DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_EXYNOS_IPP_CMD_CTRL, struct drm_exynos_ipp_cmd_ctrl)
+
 /* EXYNOS specific events */
 #define DRM_EXYNOS_G2D_EVENT		0x80000000
+#define DRM_EXYNOS_IPP_EVENT		0x80000001
 
 struct drm_exynos_g2d_event {
 	struct drm_event	base;
@@ -200,4 +380,14 @@ struct drm_exynos_g2d_event {
 	__u32			reserved;
 };
 
+struct drm_exynos_ipp_event {
+	struct drm_event	base;
+	__u64			user_data;
+	__u32			tv_sec;
+	__u32			tv_usec;
+	__u32			prop_id;
+	__u32			reserved;
+	__u32			buf_id[EXYNOS_DRM_OPS_MAX];
+};
+
 #endif /* _UAPI_EXYNOS_DRM_H_ */
