checkpoint: rename to GEM and a few more i915 bits.

7 files changed, 244 insertions, 75 deletions

diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index 97d53622..82132ff4 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -14,13 +14,13 @@ drm-objs    := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \
 		drm_memory_debug.o ati_pcigart.o drm_sman.o \
 		drm_hashtab.o drm_memrange.o drm_object.o drm_compat.o \
 	        drm_fence.o drm_ttm.o drm_bo.o drm_bo_move.o drm_bo_lock.o \
-		drm_regman.o drm_mm.o
+		drm_regman.o drm_gem.o
 tdfx-objs   := tdfx_drv.o
 r128-objs   := r128_drv.o r128_cce.o r128_state.o r128_irq.o
 mga-objs    := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
 i810-objs   := i810_drv.o i810_dma.o
 i915-objs   := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_fence.o \
-		i915_buffer.o i915_compat.o i915_execbuf.o i915_mm.o
+		i915_buffer.o i915_compat.o i915_execbuf.o i915_gem.o
 nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o \
 		nouveau_object.o nouveau_irq.o nouveau_notifier.o nouveau_swmthd.o \
 		nouveau_sgdma.o nouveau_dma.o nouveau_bo.o nouveau_fence.o \
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 113cbecb..c582b80b 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -107,7 +107,7 @@ struct drm_file;
 #define DRIVER_IRQ_SHARED  0x80
 #define DRIVER_DMA_QUEUE   0x100
 #define DRIVER_FB_DMA      0x200
-#define DRIVER_MM	   0x400
+#define DRIVER_GEM	   0x400
 
 /*@}*/
 
@@ -613,7 +613,7 @@ struct drm_ati_pcigart_info {
  * This structure defines the drm_mm memory object, which will be used by the
  * DRM for its buffer objects.
  */
-struct drm_mm_object {
+struct drm_gem_object {
 	/** File representing the shmem storage */
 	struct file *filp;
 
@@ -627,6 +627,8 @@ struct drm_mm_object {
 
 	/** Reference count of this object, protected by object_lock */
 	int refcount;
+
+	void *driver_private;
 };
 
 #include "drm_objects.h"
@@ -730,6 +732,17 @@ struct drm_driver {
 	void (*set_version) (struct drm_device *dev,
 			     struct drm_set_version *sv);
 
+	/**
+	 * Driver-specific constructor for drm_gem_objects, to set up
+	 * obj->driver_private.
+	 *
+	 * Returns 0 on success.
+	 */
+	int (*gem_init_object) (struct drm_device *dev,
+				struct drm_gem_object *obj);
+	void (*gem_free_object) (struct drm_device *dev,
+				 struct drm_gem_object *obj);
+
 	struct drm_fence_driver *fence_driver;
 	struct drm_bo_driver *bo_driver;
 
@@ -1289,20 +1302,22 @@ static inline struct drm_memrange *drm_get_mm(struct drm_memrange_node *block)
 }
 
 /* Memory manager (drm_mm.c) */
-void drm_mm_object_reference(struct drm_mm_object *obj);
-void drm_mm_object_unreference(struct drm_mm_object *obj);
-int drm_mm_alloc_ioctl(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv);
-int drm_mm_unreference_ioctl(struct drm_device *dev, void *data,
-			     struct drm_file *file_priv);
-int drm_mm_pread_ioctl(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv);
-int drm_mm_pwrite_ioctl(struct drm_device *dev, void *data,
+void drm_gem_object_reference(struct drm_device *dev,
+			      struct drm_gem_object *obj);
+void drm_gem_object_unreference(struct drm_device *dev,
+				struct drm_gem_object *obj);
+int drm_gem_alloc_ioctl(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
-int drm_mm_mmap_ioctl(struct drm_device *dev, void *data,
-		      struct drm_file *file_priv);
-void drm_mm_open(struct drm_file *file_private);
-void drm_mm_release(struct drm_file *file_private);
+int drm_gem_unreference_ioctl(struct drm_device *dev, void *data,
+			      struct drm_file *file_priv);
+int drm_gem_pread_ioctl(struct drm_device *dev, void *data,
+			struct drm_file *file_priv);
+int drm_gem_pwrite_ioctl(struct drm_device *dev, void *data,
+			 struct drm_file *file_priv);
+int drm_gem_mmap_ioctl(struct drm_device *dev, void *data,
+		       struct drm_file *file_priv);
+void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
+void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
 
 extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
 extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev);
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 2847f51b..11fedad6 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -151,11 +151,11 @@ static struct drm_ioctl_desc drm_ioctls[] = {
 
 	DRM_IOCTL_DEF(DRM_IOCTL_MM_INFO, drm_mm_info_ioctl, 0),
 
-	DRM_IOCTL_DEF(DRM_IOCTL_MM_ALLOC, drm_mm_alloc_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_IOCTL_MM_UNREFERENCE, drm_mm_unreference_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_IOCTL_MM_PREAD, drm_mm_pread_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_IOCTL_MM_PWRITE, drm_mm_pwrite_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_IOCTL_MM_MMAP, drm_mm_mmap_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_ALLOC, drm_gem_alloc_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_UNREFERENCE, drm_gem_unreference_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_PREAD, drm_gem_pread_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_PWRITE, drm_gem_pwrite_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_MMAP, drm_gem_mmap_ioctl, 0),
 };
 
 #define DRM_CORE_IOCTL_COUNT	ARRAY_SIZE( drm_ioctls )
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index 2213230c..c42bfaab 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -274,8 +274,8 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
 		goto out_free;
 	}
 
-	if (dev->driver->driver_features & DRIVER_MM)
-		drm_mm_open(priv);
+	if (dev->driver->driver_features & DRIVER_GEM)
+		drm_gem_open(dev, priv);
 
 	if (dev->driver->open) {
 		ret = dev->driver->open(dev, priv);
@@ -450,8 +450,8 @@ int drm_release(struct inode *inode, struct file *filp)
 		dev->driver->reclaim_buffers(dev, file_priv);
 	}
 
-	if (dev->driver->driver_features & DRIVER_MM)
-		drm_mm_release(file_priv);
+	if (dev->driver->driver_features & DRIVER_GEM)
+		drm_gem_release(dev, file_priv);
 
 	drm_fasync(-1, filp, 0);
 
diff --git a/linux-core/drm_mm.c b/linux-core/drm_gem.c
index 7e9fe39c..bd51362e 100644
--- a/linux-core/drm_mm.c
+++ b/linux-core/drm_gem.c
@@ -36,7 +36,7 @@
 #include <linux/pagemap.h>
 #include "drmP.h"
 
-/** @file drm_mm.c
+/** @file drm_gem.c
  *
  * This file provides some of the base ioctls and library routines for
  * the graphics memory manager implemented by each device driver.
@@ -64,10 +64,10 @@
  * up at a later data, and as our interface with shmfs for memory allocation.
  */
 
-static struct drm_mm_object *
-drm_mm_object_alloc(size_t size)
+static struct drm_gem_object *
+drm_gem_object_alloc(struct drm_device *dev, size_t size)
 {
-	struct drm_mm_object *obj;
+	struct drm_gem_object *obj;
 
 	BUG_ON((size & (PAGE_SIZE - 1)) != 0);
 
@@ -81,6 +81,12 @@ drm_mm_object_alloc(size_t size)
 
 	obj->refcount = 1;
 
+	if (dev->driver->gem_init_object != NULL &&
+	    dev->driver->gem_init_object(dev, obj) != 0) {
+		fput(obj->filp);
+		kfree(obj);
+		return NULL;
+	}
 	return obj;
 }
 
@@ -88,9 +94,10 @@ drm_mm_object_alloc(size_t size)
  * Removes the mapping from handle to filp for this object.
  */
 static int
-drm_mm_handle_delete(struct drm_file *filp, int handle)
+drm_gem_handle_delete(struct drm_device *dev, struct drm_file *filp,
+		      int handle)
 {
-	struct drm_mm_object *obj;
+	struct drm_gem_object *obj;
 
 	/* This is gross. The idr system doesn't let us try a delete and
 	 * return an error code.  It just spews if you fail at deleting.
@@ -112,7 +119,7 @@ drm_mm_handle_delete(struct drm_file *filp, int handle)
 
 	/* Release reference and decrement refcount. */
 	idr_remove(&filp->object_idr, handle);
-	drm_mm_object_unreference(obj);
+	drm_gem_object_unreference(dev, obj);
 
 	spin_unlock(&filp->table_lock);
 
@@ -120,10 +127,11 @@ drm_mm_handle_delete(struct drm_file *filp, int handle)
 }
 
 /** Returns a reference to the object named by the handle. */
-static struct drm_mm_object *
-drm_mm_object_lookup(struct drm_file *filp, int handle)
+static struct drm_gem_object *
+drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp,
+		      int handle)
 {
-	struct drm_mm_object *obj;
+	struct drm_gem_object *obj;
 
 	spin_lock(&filp->table_lock);
 
@@ -134,7 +142,7 @@ drm_mm_object_lookup(struct drm_file *filp, int handle)
 		return NULL;
 	}
 
-	drm_mm_object_reference(obj);
+	drm_gem_object_reference(dev, obj);
 
 	spin_unlock(&filp->table_lock);
 
@@ -146,18 +154,18 @@ drm_mm_object_lookup(struct drm_file *filp, int handle)
  * Allocates a new mm object and returns a handle to it.
  */
 int
-drm_mm_alloc_ioctl(struct drm_device *dev, void *data,
-		   struct drm_file *file_priv)
+drm_gem_alloc_ioctl(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
 {
-	struct drm_mm_alloc_args *args = data;
-	struct drm_mm_object *obj;
+	struct drm_gem_alloc_args *args = data;
+	struct drm_gem_object *obj;
 	int handle, ret;
 
 	/* Round requested size up to page size */
 	args->size = (args->size + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1);
 
 	/* Allocate the new object */
-	obj = drm_mm_object_alloc(args->size);
+	obj = drm_gem_object_alloc(dev, args->size);
 	if (obj == NULL)
 		return -ENOMEM;
 
@@ -178,7 +186,7 @@ drm_mm_alloc_ioctl(struct drm_device *dev, void *data,
 	} while (ret == -EAGAIN);
 
 	if (ret != 0) {
-		drm_mm_object_unreference(obj);
+		drm_gem_object_unreference(dev, obj);
 		return -EFAULT;
 	}
 
@@ -191,13 +199,13 @@ drm_mm_alloc_ioctl(struct drm_device *dev, void *data,
  * Releases the handle to an mm object.
  */
 int
-drm_mm_unreference_ioctl(struct drm_device *dev, void *data,
-			 struct drm_file *file_priv)
+drm_gem_unreference_ioctl(struct drm_device *dev, void *data,
+			  struct drm_file *file_priv)
 {
-	struct drm_mm_unreference_args *args = data;
+	struct drm_gem_unreference_args *args = data;
 	int ret;
 
-	ret = drm_mm_handle_delete(file_priv, args->handle);
+	ret = drm_gem_handle_delete(dev, file_priv, args->handle);
 
 	return ret;
 }
@@ -208,15 +216,15 @@ drm_mm_unreference_ioctl(struct drm_device *dev, void *data,
  * On error, the contents of *data are undefined.
  */
 int
-drm_mm_pread_ioctl(struct drm_device *dev, void *data,
-		   struct drm_file *file_priv)
+drm_gem_pread_ioctl(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
 {
-	struct drm_mm_pread_args *args = data;
-	struct drm_mm_object *obj;
+	struct drm_gem_pread_args *args = data;
+	struct drm_gem_object *obj;
 	ssize_t read;
 	loff_t offset;
 
-	obj = drm_mm_object_lookup(file_priv, args->handle);
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
 	if (obj == NULL)
 		return -EINVAL;
 
@@ -225,14 +233,14 @@ drm_mm_pread_ioctl(struct drm_device *dev, void *data,
 	read = obj->filp->f_op->read(obj->filp, (char __user *)args->data,
 				     args->size, &offset);
 	if (read != args->size) {
-		drm_mm_object_unreference(obj);
+		drm_gem_object_unreference(dev, obj);
 		if (read < 0)
 			return read;
 		else
 			return -EINVAL;
 	}
 
-	drm_mm_object_unreference(obj);
+	drm_gem_object_unreference(dev, obj);
 
 	return 0;
 }
@@ -245,14 +253,14 @@ drm_mm_pread_ioctl(struct drm_device *dev, void *data,
  * imply a ref on the object itself.
  */
 int
-drm_mm_mmap_ioctl(struct drm_device *dev, void *data,
-		  struct drm_file *file_priv)
+drm_gem_mmap_ioctl(struct drm_device *dev, void *data,
+		   struct drm_file *file_priv)
 {
-	struct drm_mm_mmap_args *args = data;
-	struct drm_mm_object *obj;
+	struct drm_gem_mmap_args *args = data;
+	struct drm_gem_object *obj;
 	loff_t offset;
 
-	obj = drm_mm_object_lookup(file_priv, args->handle);
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
 	if (obj == NULL)
 		return -EINVAL;
 
@@ -264,7 +272,7 @@ drm_mm_mmap_ioctl(struct drm_device *dev, void *data,
 				    args->offset);
 	up_write(&current->mm->mmap_sem);
 
-	drm_mm_object_unreference(obj);
+	drm_gem_object_unreference(dev, obj);
 
 	return 0;
 }
@@ -275,15 +283,15 @@ drm_mm_mmap_ioctl(struct drm_device *dev, void *data,
  * On error, the contents of the buffer that were to be modified are undefined.
  */
 int
-drm_mm_pwrite_ioctl(struct drm_device *dev, void *data,
-		    struct drm_file *file_priv)
+drm_gem_pwrite_ioctl(struct drm_device *dev, void *data,
+		     struct drm_file *file_priv)
 {
-	struct drm_mm_pwrite_args *args = data;
-	struct drm_mm_object *obj;
+	struct drm_gem_pwrite_args *args = data;
+	struct drm_gem_object *obj;
 	ssize_t written;
 	loff_t offset;
 
-	obj = drm_mm_object_lookup(file_priv, args->handle);
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
 	if (obj == NULL)
 		return -EINVAL;
 
@@ -292,14 +300,14 @@ drm_mm_pwrite_ioctl(struct drm_device *dev, void *data,
 	written = obj->filp->f_op->write(obj->filp, (char __user *)args->data,
 					 args->size, &offset);
 	if (written != args->size) {
-		drm_mm_object_unreference(obj);
+		drm_gem_object_unreference(dev, obj);
 		if (written < 0)
 			return written;
 		else
 			return -EINVAL;
 	}
 
-	drm_mm_object_unreference(obj);
+	drm_gem_object_unreference(dev, obj);
 
 	return 0;
 }
@@ -309,18 +317,19 @@ drm_mm_pwrite_ioctl(struct drm_device *dev, void *data,
  * of mm objects.
  */
 void
-drm_mm_open(struct drm_file *file_private)
+drm_gem_open(struct drm_device *dev, struct drm_file *file_private)
 {
 	idr_init(&file_private->object_idr);
 }
 
 /** Called at device close to release the file's references on objects. */
 static int
-drm_mm_object_release(int id, void *ptr, void *data)
+drm_gem_object_release(int id, void *ptr, void *data)
 {
-	struct drm_mm_object *obj = ptr;
+	struct drm_device *dev = data;
+	struct drm_gem_object *obj = ptr;
 
-	drm_mm_object_unreference(obj);
+	drm_gem_object_unreference(dev, obj);
 
 	return 0;
 }
@@ -331,15 +340,15 @@ drm_mm_object_release(int id, void *ptr, void *data)
  * Releases any remaining references on objects by this filp.
  */
 void
-drm_mm_release(struct drm_file *file_private)
+drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
 {
-	idr_for_each(&file_private->object_idr, &drm_mm_object_release, NULL);
+	idr_for_each(&file_private->object_idr, &drm_gem_object_release, dev);
 
 	idr_destroy(&file_private->object_idr);
 }
 
 void
-drm_mm_object_reference(struct drm_mm_object *obj)
+drm_gem_object_reference(struct drm_device *dev, struct drm_gem_object *obj)
 {
 	spin_lock(&obj->lock);
 	obj->refcount++;
@@ -347,12 +356,15 @@ drm_mm_object_reference(struct drm_mm_object *obj)
 }
 
 void
-drm_mm_object_unreference(struct drm_mm_object *obj)
+drm_gem_object_unreference(struct drm_device *dev, struct drm_gem_object *obj)
 {
 	spin_lock(&obj->lock);
 	obj->refcount--;
 	spin_unlock(&obj->lock);
 	if (obj->refcount == 0) {
+		if (dev->driver->gem_free_object != NULL)
+			dev->driver->gem_free_object(dev, obj);
+
 		fput(obj->filp);
 		kfree(obj);
 	}
diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c
index 5a6f0adc..c77c329f 100644
--- a/linux-core/i915_drv.c
+++ b/linux-core/i915_drv.c
@@ -586,6 +586,8 @@ static struct drm_driver driver = {
 	.get_map_ofs = drm_core_get_map_ofs,
 	.get_reg_ofs = drm_core_get_reg_ofs,
 	.ioctls = i915_ioctls,
+	.gem_init_object = i915_gem_init_object,
+	.gem_free_object = i915_gem_free_object,
 	.fops = {
 		.owner = THIS_MODULE,
 		.open = drm_open,
diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c
new file mode 100644
index 00000000..0685a1b9
--- /dev/null
+++ b/linux-core/i915_gem.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+int
+i915_gem_init_ioctl(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_init *args = data;
+
+	if (args->gtt_start >= args->gtt_end ||
+	    (args->gtt_start & (PAGE_SIZE - 1)) != 0 ||
+	    (args->gtt_end & (PAGE_SIZE - 1)) != 0)
+		return -EINVAL;
+
+	drm_memrange_init(&dev_priv->mm.gtt_space, args->gtt_start,
+	    args->gtt_end);
+
+	return 0;
+}
+
+static void
+i915_gem_evict_object(struct drm_device *dev, struct drm_gem_object *obj)
+{
+	
+}
+
+static int
+evict_callback(struct drm_memrange_node *node, void *data)
+{
+	struct drm_device *dev = data;
+	struct drm_gem_object *obj = node->private;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
+	if (obj_priv->pin_count == 0)
+		i915_gem_evict_object(dev, obj);
+
+	return 0;
+}
+
+int
+i915_gem_execbuffer(struct drm_device *dev, void *data,
+		   struct drm_file *file_priv)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_execbuffer *args = data;
+	struct drm_i915_gem_validate_entry *validate_list;
+	int ret, i;
+	RING_LOCALS;
+
+	LOCK_TEST_WITH_RETURN(dev, file_priv);
+
+	/* Big hammer: flush and idle the hardware so we can map things in/out.
+	 */
+	BEGIN_LP_RING(2);
+	OUT_RING(CMD_MI_FLUSH | MI_READ_FLUSH | MI_EXE_FLUSH);
+	OUT_RING(0); /* noop */
+	ADVANCE_LP_RING();
+	ret = i915_quiescent(dev);
+	if (ret != 0)
+		return ret;
+
+	/* Evict everything so we have space for sure. */
+	drm_memrange_for_each(&dev_priv->mm.gtt_space, evict_callback);
+
+	/* Copy in the validate list from userland */
+	validate_list = drm_calloc(sizeof(*validate_list), args->buffer_count,
+				   DRM_MEM_DRIVER);
+	ret = copy_from_user(validate_list,
+			     (struct drm_i915_relocation_entry __user*)
+			     args->buffers,
+			     sizeof(*validate_list) * args->buffer_count);
+	if (ret != 0) {
+		drm_free(validate_list,
+			 sizeof(*validate_list) * args->buffer_count,
+			 DRM_MEM_DRIVER);
+		return ret;
+	}
+
+	/* Perform the relocations */
+	for (i = 0; i < args->buffer_count; i++) {
+		intel_gem_reloc_and_validate_buffer(dev, &validate_list[i]);
+	}
+
+	/* Exec the batchbuffer */
+
+
+	drm_free(validate_list, sizeof(*validate_list) * args->buffer_count,
+		 DRM_MEM_DRIVER);
+
+	return 0;
+}
+
+int i915_gem_init_object(struct drm_device *dev, struct drm_gem_object *obj)
+{
+	struct drm_i915_gem_object *obj_priv;
+
+	obj_priv = drm_calloc(1, sizeof(*obj_priv), DRM_MEM_DRIVER);
+	if (obj_priv == NULL)
+		return -ENOMEM;
+
+	obj->driver_private = obj_priv;
+
+	return 0;
+}
+
+void i915_gem_free_object(struct drm_device *dev, struct drm_gem_object *obj)
+{
+	drm_free(obj->driver_private, 1, DRM_MEM_DRIVER);
+}
+