Exynos IPP will be rewritten, so remove current IPP core code and mark
existing drivers as BROKEN.

Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
---
 drivers/gpu/drm/exynos/Kconfig          |   11 +-
 drivers/gpu/drm/exynos/Makefile         |    1 -
 drivers/gpu/drm/exynos/exynos_drm_drv.c |   12 -
 drivers/gpu/drm/exynos/exynos_drm_drv.h |    2 -
 drivers/gpu/drm/exynos/exynos_drm_ipp.c | 1806 -------------------------------
 drivers/gpu/drm/exynos/exynos_drm_ipp.h |  252 -----
 include/uapi/drm/exynos_drm.h           |  192 +---
 7 files changed, 4 insertions(+), 2272 deletions(-)
 delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_ipp.c
 delete mode 100644 drivers/gpu/drm/exynos/exynos_drm_ipp.h

diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 305dc3d4ff77..88cff0e039b6 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -94,26 +94,21 @@ config DRM_EXYNOS_G2D
        help
          Choose this option if you want to use Exynos G2D for DRM.
 
-config DRM_EXYNOS_IPP
-       bool "Image Post Processor"
-       help
-         Choose this option if you want to use IPP feature for DRM.
-
 config DRM_EXYNOS_FIMC
        bool "FIMC"
-       depends on DRM_EXYNOS_IPP && MFD_SYSCON
+       depends on BROKEN && MFD_SYSCON
        help
          Choose this option if you want to use Exynos FIMC for DRM.
 
 config DRM_EXYNOS_ROTATOR
        bool "Rotator"
-       depends on DRM_EXYNOS_IPP
+       depends on BROKEN
        help
          Choose this option if you want to use Exynos Rotator for DRM.
 
 config DRM_EXYNOS_GSC
        bool "GScaler"
-       depends on DRM_EXYNOS_IPP && ARCH_EXYNOS5 && VIDEO_SAMSUNG_EXYNOS_GSC=n
+       depends on BROKEN && ARCH_EXYNOS5 && VIDEO_SAMSUNG_EXYNOS_GSC=n
        help
          Choose this option if you want to use Exynos GSC for DRM.
 
diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
index f663490e949d..09bb002c9555 100644
--- a/drivers/gpu/drm/exynos/Makefile
+++ b/drivers/gpu/drm/exynos/Makefile
@@ -17,7 +17,6 @@ exynosdrm-$(CONFIG_DRM_EXYNOS_MIXER)  += exynos_mixer.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI)    += exynos_hdmi.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI)    += exynos_drm_vidi.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_G2D)     += exynos_drm_g2d.o
-exynosdrm-$(CONFIG_DRM_EXYNOS_IPP)     += exynos_drm_ipp.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_FIMC)    += exynos_drm_fimc.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_ROTATOR) += exynos_drm_rotator.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_GSC)     += exynos_drm_gsc.o
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c 
b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index e651a58c18cf..2fc5d3c01390 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -28,7 +28,6 @@
 #include "exynos_drm_plane.h"
 #include "exynos_drm_vidi.h"
 #include "exynos_drm_g2d.h"
-#include "exynos_drm_ipp.h"
 #include "exynos_drm_iommu.h"
 
 #define DRIVER_NAME    "exynos"
@@ -115,14 +114,6 @@ static const struct drm_ioctl_desc exynos_ioctls[] = {
                        DRM_AUTH | DRM_RENDER_ALLOW),
        DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC, exynos_g2d_exec_ioctl,
                        DRM_AUTH | DRM_RENDER_ALLOW),
-       DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY, exynos_drm_ipp_get_property,
-                       DRM_AUTH | DRM_RENDER_ALLOW),
-       DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY, exynos_drm_ipp_set_property,
-                       DRM_AUTH | DRM_RENDER_ALLOW),
-       DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF, exynos_drm_ipp_queue_buf,
-                       DRM_AUTH | DRM_RENDER_ALLOW),
-       DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL, exynos_drm_ipp_cmd_ctrl,
-                       DRM_AUTH | DRM_RENDER_ALLOW),
 };
 
 static const struct file_operations exynos_drm_driver_fops = {
@@ -259,9 +250,6 @@ static struct exynos_drm_driver_info exynos_drm_drivers[] = 
{
                DRV_PTR(rotator_driver, CONFIG_DRM_EXYNOS_ROTATOR),
        }, {
                DRV_PTR(gsc_driver, CONFIG_DRM_EXYNOS_GSC),
-       }, {
-               DRV_PTR(ipp_driver, CONFIG_DRM_EXYNOS_IPP),
-               DRM_VIRTUAL_DEVICE
        }, {
                &exynos_drm_platform_driver,
                DRM_VIRTUAL_DEVICE
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h 
b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index f8bae4cb4823..b47f810d64d2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -185,7 +185,6 @@ struct exynos_drm_g2d_private {
 
 struct drm_exynos_file_private {
        struct exynos_drm_g2d_private   *g2d_priv;
-       struct device                   *ipp_dev;
 };
 
 /*
@@ -293,6 +292,5 @@ extern struct platform_driver g2d_driver;
 extern struct platform_driver fimc_driver;
 extern struct platform_driver rotator_driver;
 extern struct platform_driver gsc_driver;
-extern struct platform_driver ipp_driver;
 extern struct platform_driver mic_driver;
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c 
b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
deleted file mode 100644
index 3edda18cc2d2..000000000000
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ /dev/null
@@ -1,1806 +0,0 @@
-/*
- * Copyright (C) 2012 Samsung Electronics Co.Ltd
- * Authors:
- *     Eunchul Kim <chulspro....@samsung.com>
- *     Jinyoung Jeon <jy0.j...@samsung.com>
- *     Sangmin Lee <lsmin....@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/platform_device.h>
-#include <linux/types.h>
-#include <linux/clk.h>
-#include <linux/pm_runtime.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"
-#include "exynos_drm_iommu.h"
-
-/*
- * IPP stands 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
- */
-
-/*
- * TODO
- * 1. expand command control id.
- * 2. integrate        property and config.
- * 3. removed send_event id check routine.
- * 4. compare send_event id if needed.
- * 5. free subdrv_remove notifier callback list if needed.
- * 6. need to check subdrv_open about multi-open.
- * 7. need to power_on implement power and sysmmu ctrl.
- */
-
-#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;
-};
-
-/*
- * 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)
-{
-       mutex_lock(&exynos_drm_ippdrv_lock);
-       list_add_tail(&ippdrv->drv_list, &exynos_drm_ippdrv_list);
-       mutex_unlock(&exynos_drm_ippdrv_lock);
-
-       return 0;
-}
-
-int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv)
-{
-       mutex_lock(&exynos_drm_ippdrv_lock);
-       list_del(&ippdrv->drv_list);
-       mutex_unlock(&exynos_drm_ippdrv_lock);
-
-       return 0;
-}
-
-static int ipp_create_id(struct idr *id_idr, struct mutex *lock, void *obj)
-{
-       int ret;
-
-       mutex_lock(lock);
-       ret = idr_alloc(id_idr, obj, 1, 0, GFP_KERNEL);
-       mutex_unlock(lock);
-
-       return ret;
-}
-
-static void ipp_remove_id(struct idr *id_idr, struct mutex *lock, u32 id)
-{
-       mutex_lock(lock);
-       idr_remove(id_idr, id);
-       mutex_unlock(lock);
-}
-
-static void *ipp_find_obj(struct idr *id_idr, struct mutex *lock, u32 id)
-{
-       void *obj;
-
-       mutex_lock(lock);
-       obj = idr_find(id_idr, id);
-       mutex_unlock(lock);
-
-       return obj;
-}
-
-static int ipp_check_driver(struct exynos_drm_ippdrv *ippdrv,
-                           struct drm_exynos_ipp_property *property)
-{
-       if (ippdrv->dedicated || (!ipp_is_m2m_cmd(property->cmd) &&
-                                 !pm_runtime_suspended(ippdrv->dev)))
-               return -EBUSY;
-
-       if (ippdrv->check_property &&
-           ippdrv->check_property(ippdrv->dev, property))
-               return -EINVAL;
-
-       return 0;
-}
-
-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;
-       int ret;
-
-       if (ipp_id) {
-               ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, ipp_id);
-               if (!ippdrv) {
-                       DRM_DEBUG("ipp%d driver not found\n", ipp_id);
-                       return ERR_PTR(-ENODEV);
-               }
-
-               ret = ipp_check_driver(ippdrv, property);
-               if (ret < 0) {
-                       DRM_DEBUG("ipp%d driver check error %d\n", ipp_id, ret);
-                       return ERR_PTR(ret);
-               }
-
-               return ippdrv;
-       } else {
-               list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) {
-                       ret = ipp_check_driver(ippdrv, property);
-                       if (ret == 0)
-                               return ippdrv;
-               }
-
-               DRM_DEBUG("cannot find driver suitable for given property.\n");
-       }
-
-       return ERR_PTR(-ENODEV);
-}
-
-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("prop_id[%d]\n", prop_id);
-
-       /*
-        * 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 control.
-        */
-       list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) {
-               DRM_DEBUG_KMS("count[%d]ippdrv[%pK]\n", count++, ippdrv);
-
-               mutex_lock(&ippdrv->cmd_lock);
-               list_for_each_entry(c_node, &ippdrv->cmd_list, list) {
-                       if (c_node->property.prop_id == prop_id) {
-                               mutex_unlock(&ippdrv->cmd_lock);
-                               return ippdrv;
-                       }
-               }
-               mutex_unlock(&ippdrv->cmd_lock);
-       }
-
-       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 device *dev = file_priv->ipp_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;
-
-       if (!ctx) {
-               DRM_ERROR("invalid context.\n");
-               return -EINVAL;
-       }
-
-       if (!prop_list) {
-               DRM_ERROR("invalid property parameter.\n");
-               return -EINVAL;
-       }
-
-       DRM_DEBUG_KMS("ipp_id[%d]\n", 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 device 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 -ENODEV;
-               }
-
-               *prop_list = ippdrv->prop_list;
-       }
-
-       return 0;
-}
-
-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("prop_id[%d]ops[%s]fmt[0x%x]\n",
-               property->prop_id, idx ? "dst" : "src", config->fmt);
-
-       DRM_DEBUG_KMS("pos[%d %d %d %d]sz[%d %d]f[%d]r[%d]\n",
-               pos->x, pos->y, pos->w, pos->h,
-               sz->hsize, sz->vsize, config->flip, config->degree);
-}
-
-static struct drm_exynos_ipp_cmd_work *ipp_create_cmd_work(void)
-{
-       struct drm_exynos_ipp_cmd_work *cmd_work;
-
-       cmd_work = kzalloc(sizeof(*cmd_work), GFP_KERNEL);
-       if (!cmd_work)
-               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;
-
-       event_work = kzalloc(sizeof(*event_work), GFP_KERNEL);
-       if (!event_work)
-               return ERR_PTR(-ENOMEM);
-
-       INIT_WORK(&event_work->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 device *dev = file_priv->ipp_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;
-       u32 prop_id;
-       int ret, i;
-
-       if (!ctx) {
-               DRM_ERROR("invalid context.\n");
-               return -EINVAL;
-       }
-
-       if (!property) {
-               DRM_ERROR("invalid property parameter.\n");
-               return -EINVAL;
-       }
-
-       prop_id = property->prop_id;
-
-       /*
-        * This is log print for user application property.
-        * user application set various property.
-        */
-       for_each_ipp_ops(i)
-               ipp_print_property(property, i);
-
-       /*
-        * In case prop_id is not zero try to set existing property.
-        */
-       if (prop_id) {
-               c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, prop_id);
-
-               if (!c_node || c_node->filp != file) {
-                       DRM_DEBUG_KMS("prop_id[%d] not found\n", prop_id);
-                       return -EINVAL;
-               }
-
-               if (c_node->state != IPP_STATE_STOP) {
-                       DRM_DEBUG_KMS("prop_id[%d] not stopped\n", prop_id);
-                       return -EINVAL;
-               }
-
-               c_node->property = *property;
-
-               return 0;
-       }
-
-       /* find ipp driver using ipp id */
-       ippdrv = ipp_find_driver(ctx, property);
-       if (IS_ERR(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)
-               return -ENOMEM;
-
-       ret = ipp_create_id(&ctx->prop_idr, &ctx->prop_lock, c_node);
-       if (ret < 0) {
-               DRM_ERROR("failed to create id.\n");
-               goto err_clear;
-       }
-       property->prop_id = ret;
-
-       DRM_DEBUG_KMS("created prop_id[%d]cmd[%d]ippdrv[%pK]\n",
-               property->prop_id, property->cmd, ippdrv);
-
-       /* stored property information and ippdrv in private data */
-       c_node->property = *property;
-       c_node->state = IPP_STATE_IDLE;
-       c_node->filp = file;
-
-       c_node->start_work = ipp_create_cmd_work();
-       if (IS_ERR(c_node->start_work)) {
-               DRM_ERROR("failed to create start work.\n");
-               ret = PTR_ERR(c_node->start_work);
-               goto err_remove_id;
-       }
-
-       c_node->stop_work = ipp_create_cmd_work();
-       if (IS_ERR(c_node->stop_work)) {
-               DRM_ERROR("failed to create stop work.\n");
-               ret = PTR_ERR(c_node->stop_work);
-               goto err_free_start;
-       }
-
-       c_node->event_work = ipp_create_event_work();
-       if (IS_ERR(c_node->event_work)) {
-               DRM_ERROR("failed to create event work.\n");
-               ret = PTR_ERR(c_node->event_work);
-               goto err_free_stop;
-       }
-
-       mutex_init(&c_node->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);
-       mutex_lock(&ippdrv->cmd_lock);
-       list_add_tail(&c_node->list, &ippdrv->cmd_list);
-       mutex_unlock(&ippdrv->cmd_lock);
-
-       /* 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_remove_id:
-       ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock, property->prop_id);
-err_clear:
-       kfree(c_node);
-       return ret;
-}
-
-static int ipp_validate_mem_node(struct drm_device *drm_dev,
-                                struct drm_exynos_ipp_mem_node *m_node,
-                                struct drm_exynos_ipp_cmd_node *c_node)
-{
-       struct drm_exynos_ipp_config *ipp_cfg;
-       unsigned int num_plane;
-       unsigned long size, buf_size = 0, plane_size, img_size = 0;
-       unsigned int bpp, width, height;
-       int i;
-
-       ipp_cfg = &c_node->property.config[m_node->ops_id];
-       num_plane = drm_format_num_planes(ipp_cfg->fmt);
-
-       /**
-        * This is a rather simplified validation of a memory node.
-        * It basically verifies provided gem object handles
-        * and the buffer sizes with respect to current configuration.
-        * This is not the best that can be done
-        * but it seems more than enough
-        */
-       for (i = 0; i < num_plane; ++i) {
-               width = ipp_cfg->sz.hsize;
-               height = ipp_cfg->sz.vsize;
-               bpp = drm_format_plane_cpp(ipp_cfg->fmt, i);
-
-               /*
-                * The result of drm_format_plane_cpp() for chroma planes must
-                * be used with drm_format_xxxx_chroma_subsampling() for
-                * correct result.
-                */
-               if (i > 0) {
-                       width /= drm_format_horz_chroma_subsampling(
-                                                               ipp_cfg->fmt);
-                       height /= drm_format_vert_chroma_subsampling(
-                                                               ipp_cfg->fmt);
-               }
-               plane_size = width * height * bpp;
-               img_size += plane_size;
-
-               if (m_node->buf_info.handles[i]) {
-                       size = exynos_drm_gem_get_size(drm_dev,
-                                       m_node->buf_info.handles[i],
-                                       c_node->filp);
-                       if (plane_size > size) {
-                               DRM_ERROR(
-                                       "buffer %d is smaller than required\n",
-                                       i);
-                               return -EINVAL;
-                       }
-
-                       buf_size += size;
-               }
-       }
-
-       if (buf_size < img_size) {
-               DRM_ERROR("size of buffers(%lu) is smaller than image(%lu)\n",
-                       buf_size, img_size);
-               return -EINVAL;
-       }
-
-       return 0;
-}
-
-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("node[%pK]\n", m_node);
-
-       if (!m_node) {
-               DRM_ERROR("invalid dequeue node.\n");
-               return -EFAULT;
-       }
-
-       DRM_DEBUG_KMS("ops_id[%d]\n", 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,
-                                                       c_node->filp);
-       }
-
-       list_del(&m_node->list);
-       kfree(m_node);
-
-       return 0;
-}
-
-static struct drm_exynos_ipp_mem_node
-               *ipp_get_mem_node(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;
-       struct drm_exynos_ipp_buf_info *buf_info;
-       int i;
-
-       m_node = kzalloc(sizeof(*m_node), GFP_KERNEL);
-       if (!m_node)
-               return ERR_PTR(-ENOMEM);
-
-       buf_info = &m_node->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;
-       INIT_LIST_HEAD(&m_node->list);
-
-       DRM_DEBUG_KMS("m_node[%pK]ops_id[%d]\n", m_node, qbuf->ops_id);
-       DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]\n", qbuf->prop_id, m_node->buf_id);
-
-       for_each_ipp_planar(i) {
-               DRM_DEBUG_KMS("i[%d]handle[0x%x]\n", i, qbuf->handle[i]);
-
-               /* get dma address by handle */
-               if (qbuf->handle[i]) {
-                       dma_addr_t *addr;
-
-                       addr = exynos_drm_gem_get_dma_addr(drm_dev,
-                                       qbuf->handle[i], c_node->filp);
-                       if (IS_ERR(addr)) {
-                               DRM_ERROR("failed to get addr.\n");
-                               ipp_put_mem_node(drm_dev, c_node, m_node);
-                               return ERR_PTR(-EFAULT);
-                       }
-
-                       buf_info->handles[i] = qbuf->handle[i];
-                       buf_info->base[i] = *addr;
-                       DRM_DEBUG_KMS("i[%d]base[%pad]hd[0x%lx]\n", i,
-                                     &buf_info->base[i], buf_info->handles[i]);
-               }
-       }
-
-       mutex_lock(&c_node->mem_lock);
-       if (ipp_validate_mem_node(drm_dev, m_node, c_node)) {
-               ipp_put_mem_node(drm_dev, c_node, m_node);
-               mutex_unlock(&c_node->mem_lock);
-               return ERR_PTR(-EFAULT);
-       }
-       list_add_tail(&m_node->list, &c_node->mem_list[qbuf->ops_id]);
-       mutex_unlock(&c_node->mem_lock);
-
-       return m_node;
-}
-
-static void ipp_clean_mem_nodes(struct drm_device *drm_dev,
-                              struct drm_exynos_ipp_cmd_node *c_node, int ops)
-{
-       struct drm_exynos_ipp_mem_node *m_node, *tm_node;
-       struct list_head *head = &c_node->mem_list[ops];
-
-       mutex_lock(&c_node->mem_lock);
-
-       list_for_each_entry_safe(m_node, tm_node, head, list) {
-               int ret;
-
-               ret = ipp_put_mem_node(drm_dev, c_node, m_node);
-               if (ret)
-                       DRM_ERROR("failed to put m_node.\n");
-       }
-
-       mutex_unlock(&c_node->mem_lock);
-}
-
-static int ipp_get_event(struct drm_device *drm_dev,
-               struct drm_exynos_ipp_cmd_node *c_node,
-               struct drm_exynos_ipp_queue_buf *qbuf)
-{
-       struct drm_exynos_ipp_send_event *e;
-       int ret;
-
-       DRM_DEBUG_KMS("ops_id[%d]buf_id[%d]\n", qbuf->ops_id, qbuf->buf_id);
-
-       e = kzalloc(sizeof(*e), GFP_KERNEL);
-       if (!e)
-               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;
-
-       ret = drm_event_reserve_init(drm_dev, c_node->filp, &e->base, 
&e->event.base);
-       if (ret) {
-               kfree(e);
-               return ret;
-       }
-
-       mutex_lock(&c_node->event_lock);
-       list_add_tail(&e->base.link, &c_node->event_list);
-       mutex_unlock(&c_node->event_lock);
-
-       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;
-
-       mutex_lock(&c_node->event_lock);
-       list_for_each_entry_safe(e, te, &c_node->event_list, base.link) {
-               DRM_DEBUG_KMS("count[%d]e[%pK]\n", count++, e);
-
-               /*
-                * qbuf == 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);
-                       goto out_unlock;
-               }
-       }
-
-out_unlock:
-       mutex_unlock(&c_node->event_lock);
-       return;
-}
-
-static void ipp_clean_cmd_node(struct ipp_context *ctx,
-                               struct drm_exynos_ipp_cmd_node *c_node)
-{
-       int i;
-
-       /* cancel works */
-       cancel_work_sync(&c_node->start_work->work);
-       cancel_work_sync(&c_node->stop_work->work);
-       cancel_work_sync(&c_node->event_work->work);
-
-       /* put event */
-       ipp_put_event(c_node, NULL);
-
-       for_each_ipp_ops(i)
-               ipp_clean_mem_nodes(ctx->subdrv.drm_dev, c_node, i);
-
-       /* delete list */
-       list_del(&c_node->list);
-
-       ipp_remove_id(&ctx->prop_idr, &ctx->prop_lock,
-                       c_node->property.prop_id);
-
-       /* destroy mutex */
-       mutex_destroy(&c_node->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 bool ipp_check_mem_list(struct drm_exynos_ipp_cmd_node *c_node)
-{
-       switch (c_node->property.cmd) {
-       case IPP_CMD_WB:
-               return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]);
-       case IPP_CMD_OUTPUT:
-               return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]);
-       case IPP_CMD_M2M:
-       default:
-               return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]) &&
-                      !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]);
-       }
-}
-
-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("buf_id[%d]\n", 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("count[%d]m_node[%pK]\n", count++, 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("node[%pK]\n", m_node);
-
-       if (!m_node) {
-               DRM_ERROR("invalid queue node.\n");
-               return -EFAULT;
-       }
-
-       DRM_DEBUG_KMS("ops_id[%d]\n", m_node->ops_id);
-
-       /* get operations callback */
-       ops = ippdrv->ops[m_node->ops_id];
-       if (!ops) {
-               DRM_ERROR("not support ops.\n");
-               return -EFAULT;
-       }
-
-       /* 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");
-                       return ret;
-               }
-       }
-
-       return ret;
-}
-
-static 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, &cmd_work->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;
-
-       ippdrv = ipp_find_drv_by_handle(qbuf->prop_id);
-       if (IS_ERR(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 (c_node->state != IPP_STATE_START) {
-               DRM_DEBUG_KMS("bypass for invalid state.\n");
-               return 0;
-       }
-
-       mutex_lock(&c_node->mem_lock);
-       if (!ipp_check_mem_list(c_node)) {
-               mutex_unlock(&c_node->mem_lock);
-               DRM_DEBUG_KMS("empty memory.\n");
-               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) {
-                       mutex_unlock(&c_node->mem_lock);
-                       DRM_ERROR("failed to set m node.\n");
-                       return ret;
-               }
-       }
-       mutex_unlock(&c_node->mem_lock);
-
-       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;
-
-       /* delete list */
-       mutex_lock(&c_node->mem_lock);
-       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);
-       }
-       mutex_unlock(&c_node->mem_lock);
-}
-
-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 device *dev = file_priv->ipp_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;
-
-       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("prop_id[%d]ops_id[%s]buf_id[%d]buf_type[%d]\n",
-               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 || c_node->filp != file) {
-               DRM_ERROR("failed to get command node.\n");
-               return -ENODEV;
-       }
-
-       /* buffer control */
-       switch (qbuf->buf_type) {
-       case IPP_BUF_ENQUEUE:
-               /* get memory node */
-               m_node = ipp_get_mem_node(drm_dev, c_node, qbuf);
-               if (IS_ERR(m_node)) {
-                       DRM_ERROR("failed to get m_node.\n");
-                       return PTR_ERR(m_node);
-               }
-
-               /*
-                * 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, 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->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->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;
-}
-
-static bool exynos_drm_ipp_check_valid(struct device *dev,
-               enum drm_exynos_ipp_ctrl ctrl, enum drm_exynos_ipp_state state)
-{
-       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;
-       }
-
-       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_ippdrv *ippdrv = NULL;
-       struct device *dev = file_priv->ipp_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;
-
-       if (!ctx) {
-               DRM_ERROR("invalid context.\n");
-               return -EINVAL;
-       }
-
-       if (!cmd_ctrl) {
-               DRM_ERROR("invalid control parameter.\n");
-               return -EINVAL;
-       }
-
-       DRM_DEBUG_KMS("ctrl[%d]prop_id[%d]\n",
-               cmd_ctrl->ctrl, cmd_ctrl->prop_id);
-
-       ippdrv = ipp_find_drv_by_handle(cmd_ctrl->prop_id);
-       if (IS_ERR(ippdrv)) {
-               DRM_ERROR("failed to get ipp driver.\n");
-               return PTR_ERR(ippdrv);
-       }
-
-       c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock,
-               cmd_ctrl->prop_id);
-       if (!c_node || c_node->filp != file) {
-               DRM_ERROR("invalid command node list.\n");
-               return -ENODEV;
-       }
-
-       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);
-               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;
-               mutex_lock(&ippdrv->cmd_lock);
-               ipp_clean_cmd_node(ctx, c_node);
-
-               if (list_empty(&ippdrv->cmd_list))
-                       pm_runtime_put_sync(ippdrv->dev);
-               mutex_unlock(&ippdrv->cmd_lock);
-               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:
-               DRM_ERROR("could not support this state currently.\n");
-               return -EINVAL;
-       }
-
-       DRM_DEBUG_KMS("done ctrl[%d]prop_id[%d]\n",
-               cmd_ctrl->ctrl, cmd_ctrl->prop_id);
-
-       return 0;
-}
-
-int exynos_drm_ippnb_register(struct notifier_block *nb)
-{
-       return blocking_notifier_chain_register(
-               &exynos_drm_ippnb_list, nb);
-}
-
-int exynos_drm_ippnb_unregister(struct notifier_block *nb)
-{
-       return blocking_notifier_chain_unregister(
-               &exynos_drm_ippnb_list, nb);
-}
-
-int exynos_drm_ippnb_send_event(unsigned long val, void *v)
-{
-       return blocking_notifier_call_chain(
-               &exynos_drm_ippnb_list, val, v);
-}
-
-static int ipp_set_property(struct exynos_drm_ippdrv *ippdrv,
-               struct drm_exynos_ipp_property *property)
-{
-       struct exynos_drm_ipp_ops *ops = NULL;
-       bool swap = false;
-       int ret, i;
-
-       if (!property) {
-               DRM_ERROR("invalid property parameter.\n");
-               return -EINVAL;
-       }
-
-       DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id);
-
-       /* reset h/w block */
-       if (ippdrv->reset &&
-           ippdrv->reset(ippdrv->dev)) {
-               return -EINVAL;
-       }
-
-       /* set source,destination operations */
-       for_each_ipp_ops(i) {
-               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)
-                               return ret;
-               }
-
-               /* set transform for rotation, flip */
-               if (ops->set_transf) {
-                       ret = ops->set_transf(ippdrv->dev, config->degree,
-                               config->flip, &swap);
-                       if (ret)
-                               return ret;
-               }
-
-               /* set size */
-               if (ops->set_size) {
-                       ret = ops->set_size(ippdrv->dev, swap, &config->pos,
-                               &config->sz);
-                       if (ret)
-                               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("prop_id[%d]\n", property->prop_id);
-
-       /* store command info in ippdrv */
-       ippdrv->c_node = c_node;
-
-       mutex_lock(&c_node->mem_lock);
-       if (!ipp_check_mem_list(c_node)) {
-               DRM_DEBUG_KMS("empty memory.\n");
-               ret = -ENOMEM;
-               goto err_unlock;
-       }
-
-       /* set current property in ippdrv */
-       ret = ipp_set_property(ippdrv, property);
-       if (ret) {
-               DRM_ERROR("failed to set property.\n");
-               ippdrv->c_node = NULL;
-               goto err_unlock;
-       }
-
-       /* 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);
-
-                       DRM_DEBUG_KMS("m_node[%pK]\n", m_node);
-
-                       ret = ipp_set_mem_node(ippdrv, c_node, m_node);
-                       if (ret) {
-                               DRM_ERROR("failed to set m node.\n");
-                               goto err_unlock;
-                       }
-               }
-               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");
-                               goto err_unlock;
-                       }
-               }
-               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");
-                               goto err_unlock;
-                       }
-               }
-               break;
-       default:
-               DRM_ERROR("invalid operations.\n");
-               ret = -EINVAL;
-               goto err_unlock;
-       }
-       mutex_unlock(&c_node->mem_lock);
-
-       DRM_DEBUG_KMS("cmd[%d]\n", property->cmd);
-
-       /* start operations */
-       if (ippdrv->start) {
-               ret = ippdrv->start(ippdrv->dev, property->cmd);
-               if (ret) {
-                       DRM_ERROR("failed to start ops.\n");
-                       ippdrv->c_node = NULL;
-                       return ret;
-               }
-       }
-
-       return 0;
-
-err_unlock:
-       mutex_unlock(&c_node->mem_lock);
-       ippdrv->c_node = NULL;
-       return ret;
-}
-
-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_property *property = &c_node->property;
-       int i;
-
-       DRM_DEBUG_KMS("prop_id[%d]\n", property->prop_id);
-
-       /* stop operations */
-       if (ippdrv->stop)
-               ippdrv->stop(ippdrv->dev, property->cmd);
-
-       /* check command */
-       switch (property->cmd) {
-       case IPP_CMD_M2M:
-               for_each_ipp_ops(i)
-                       ipp_clean_mem_nodes(drm_dev, c_node, i);
-               break;
-       case IPP_CMD_WB:
-               ipp_clean_mem_nodes(drm_dev, c_node, EXYNOS_DRM_OPS_DST);
-               break;
-       case IPP_CMD_OUTPUT:
-               ipp_clean_mem_nodes(drm_dev, c_node, EXYNOS_DRM_OPS_SRC);
-               break;
-       default:
-               DRM_ERROR("invalid operations.\n");
-               return -EINVAL;
-       }
-
-       return 0;
-}
-
-void ipp_sched_cmd(struct work_struct *work)
-{
-       struct drm_exynos_ipp_cmd_work *cmd_work =
-               container_of(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;
-
-       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->lock);
-
-       property = &c_node->property;
-
-       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("ctrl[%d] done.\n", cmd_work->ctrl);
-
-err_unlock:
-       mutex_unlock(&c_node->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;
-       u32 tbuf_id[EXYNOS_DRM_OPS_MAX] = {0, };
-       int ret, i;
-
-       for_each_ipp_ops(i)
-               DRM_DEBUG_KMS("%s buf_id[%d]\n", 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;
-       }
-
-       mutex_lock(&c_node->event_lock);
-       if (list_empty(&c_node->event_list)) {
-               DRM_DEBUG_KMS("event list is empty.\n");
-               ret = 0;
-               goto err_event_unlock;
-       }
-
-       mutex_lock(&c_node->mem_lock);
-       if (!ipp_check_mem_list(c_node)) {
-               DRM_DEBUG_KMS("empty memory.\n");
-               ret = 0;
-               goto err_mem_unlock;
-       }
-
-       /* 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);
-
-                       tbuf_id[i] = m_node->buf_id;
-                       DRM_DEBUG_KMS("%s buf_id[%d]\n",
-                               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");
-                       ret = -ENOMEM;
-                       goto err_mem_unlock;
-               }
-
-               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);
-
-               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");
-               ret = -EINVAL;
-               goto err_mem_unlock;
-       }
-       mutex_unlock(&c_node->mem_lock);
-
-       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);
-
-       do_gettimeofday(&now);
-       DRM_DEBUG_KMS("tv_sec[%ld]tv_usec[%ld]\n", 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];
-
-       drm_send_event(drm_dev, &e->base);
-       mutex_unlock(&c_node->event_lock);
-
-       DRM_DEBUG_KMS("done cmd[%d]prop_id[%d]buf_id[%d]\n",
-               property->cmd, property->prop_id, tbuf_id[EXYNOS_DRM_OPS_DST]);
-
-       return 0;
-
-err_mem_unlock:
-       mutex_unlock(&c_node->mem_lock);
-err_event_unlock:
-       mutex_unlock(&c_node->event_lock);
-       return ret;
-}
-
-void ipp_sched_event(struct work_struct *work)
-{
-       struct drm_exynos_ipp_event_work *event_work =
-               container_of(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("buf_id[%d]\n", 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->c_node;
-       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("bypass state[%d]prop_id[%d]\n",
-                       c_node->state, c_node->property.prop_id);
-               goto err_completion;
-       }
-
-       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);
-}
-
-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;
-
-       /* 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);
-               if (ret < 0) {
-                       DRM_ERROR("failed to create id.\n");
-                       goto err;
-               }
-               ippdrv->prop_list.ipp_id = ret;
-
-               DRM_DEBUG_KMS("count[%d]ippdrv[%pK]ipp_id[%d]\n",
-                       count++, ippdrv, ret);
-
-               /* 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);
-               mutex_init(&ippdrv->cmd_lock);
-
-               ret = drm_iommu_attach_device(drm_dev, ippdrv->dev);
-               if (ret) {
-                       DRM_ERROR("failed to activate iommu\n");
-                       goto err;
-               }
-       }
-
-       return 0;
-
-err:
-       /* get ipp driver entry */
-       list_for_each_entry_continue_reverse(ippdrv, &exynos_drm_ippdrv_list,
-                                               drv_list) {
-               drm_iommu_detach_device(drm_dev, ippdrv->dev);
-
-               ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock,
-                               ippdrv->prop_list.ipp_id);
-       }
-
-       return ret;
-}
-
-static void ipp_subdrv_remove(struct drm_device *drm_dev, struct device *dev)
-{
-       struct exynos_drm_ippdrv *ippdrv, *t;
-       struct ipp_context *ctx = get_ipp_context(dev);
-
-       /* get ipp driver entry */
-       list_for_each_entry_safe(ippdrv, t, &exynos_drm_ippdrv_list, drv_list) {
-               drm_iommu_detach_device(drm_dev, ippdrv->dev);
-
-               ipp_remove_id(&ctx->ipp_idr, &ctx->ipp_lock,
-                               ippdrv->prop_list.ipp_id);
-
-               ippdrv->drm_dev = NULL;
-               exynos_drm_ippdrv_unregister(ippdrv);
-       }
-}
-
-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;
-
-       file_priv->ipp_dev = dev;
-
-       DRM_DEBUG_KMS("done priv[%pK]\n", dev);
-
-       return 0;
-}
-
-static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev,
-               struct drm_file *file)
-{
-       struct exynos_drm_ippdrv *ippdrv = NULL;
-       struct ipp_context *ctx = get_ipp_context(dev);
-       struct drm_exynos_ipp_cmd_node *c_node, *tc_node;
-       int count = 0;
-
-       list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) {
-               mutex_lock(&ippdrv->cmd_lock);
-               list_for_each_entry_safe(c_node, tc_node,
-                       &ippdrv->cmd_list, list) {
-                       DRM_DEBUG_KMS("count[%d]ippdrv[%pK]\n",
-                               count++, ippdrv);
-
-                       if (c_node->filp == file) {
-                               /*
-                                * 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(ctx, c_node);
-                               if (list_empty(&ippdrv->cmd_list))
-                                       pm_runtime_put_sync(ippdrv->dev);
-                       }
-               }
-               mutex_unlock(&ippdrv->cmd_lock);
-       }
-
-       return;
-}
-
-static int ipp_probe(struct platform_device *pdev)
-{
-       struct device *dev = &pdev->dev;
-       struct ipp_context *ctx;
-       struct exynos_drm_subdrv *subdrv;
-       int ret;
-
-       ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
-
-       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");
-               return -EINVAL;
-       }
-
-       /*
-        * 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(dev, "drm ipp registered successfully.\n");
-
-       return 0;
-
-err_cmd_workq:
-       destroy_workqueue(ctx->cmd_workq);
-err_event_workq:
-       destroy_workqueue(ctx->event_workq);
-       return ret;
-}
-
-static int ipp_remove(struct platform_device *pdev)
-{
-       struct ipp_context *ctx = platform_get_drvdata(pdev);
-
-       /* unregister sub driver */
-       exynos_drm_subdrv_unregister(&ctx->subdrv);
-
-       /* remove,destroy ipp 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);
-
-       return 0;
-}
-
-struct platform_driver ipp_driver = {
-       .probe          = ipp_probe,
-       .remove         = ipp_remove,
-       .driver         = {
-               .name   = "exynos-drm-ipp",
-               .owner  = THIS_MODULE,
-       },
-};
-
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.h 
b/drivers/gpu/drm/exynos/exynos_drm_ipp.h
deleted file mode 100644
index 2a61547a39d0..000000000000
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.h
+++ /dev/null
@@ -1,252 +0,0 @@
-/*
- * Copyright (c) 2012 Samsung Electronics Co., Ltd.
- *
- * Authors:
- *     Eunchul Kim <chulspro....@samsung.com>
- *     Jinyoung Jeon <jy0.j...@samsung.com>
- *     Sangmin Lee <lsmin....@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.
- */
-
-#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.
- *
- * @list: list head to command queue information.
- * @event_list: list head of event.
- * @mem_list: list head to source,destination memory queue information.
- * @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.
- * @filp: associated file pointer.
- */
-struct drm_exynos_ipp_cmd_node {
-       struct list_head        list;
-       struct list_head        event_list;
-       struct list_head        mem_list[EXYNOS_DRM_OPS_MAX];
-       struct mutex    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;
-       struct drm_file *filp;
-};
-
-/*
- * A structure of buffer information.
- *
- * @handles: Y, Cb, Cr each gem object handle.
- * @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 information.
- *
- * @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, bool *swap);
-       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.
- * @dedicated: dedicated ipp device.
- * @ops: source, destination operations.
- * @event_workq: event work queue.
- * @c_node: current command information.
- * @cmd_list: list head for command information.
- * @cmd_lock: lock for synchronization of access to cmd_list.
- * @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;
-       bool    dedicated;
-       struct exynos_drm_ipp_ops       *ops[EXYNOS_DRM_OPS_MAX];
-       struct workqueue_struct *event_workq;
-       struct drm_exynos_ipp_cmd_node *c_node;
-       struct list_head        cmd_list;
-       struct mutex    cmd_lock;
-       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 cb3e9f9d029f..5d9a08d69ba7 100644
--- a/include/uapi/drm/exynos_drm.h
+++ b/include/uapi/drm/exynos_drm.h
@@ -134,172 +134,6 @@ 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),
-       EXYNOS_DRM_FLIP_BOTH = EXYNOS_DRM_FLIP_VERTICAL |
-                       EXYNOS_DRM_FLIP_HORIZONTAL,
-};
-
-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 {
-       __u32 ops_id;
-       __u32 flip;
-       __u32 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];
-       __u32   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 {
-       __u32   ops_id;
-       __u32   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;
-       __u32   ctrl;
-};
-
 #define DRM_EXYNOS_GEM_CREATE          0x00
 #define DRM_EXYNOS_GEM_MAP             0x01
 /* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
@@ -311,11 +145,7 @@ struct drm_exynos_ipp_cmd_ctrl {
 #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
+/* Reserved 0x30 ~ 0x33 for obsolete Exynos IPP ioctls */
 
 #define DRM_IOCTL_EXYNOS_GEM_CREATE            DRM_IOWR(DRM_COMMAND_BASE + \
                DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
@@ -334,18 +164,8 @@ struct drm_exynos_ipp_cmd_ctrl {
 #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;
@@ -356,16 +176,6 @@ 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];
-};
-
 #if defined(__cplusplus)
 }
 #endif
-- 
2.14.2

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