diff --git a/drivers/gpu/drm/via/init_ttm.c b/drivers/gpu/drm/via/init_ttm.c
new file mode 100644
index 0000000..ead32a1
--- /dev/null
+++ b/drivers/gpu/drm/via/init_ttm.c
@@ -0,0 +1,249 @@
+/*
+ * Copyright (c) 2012 James Simmons
+ * All Rights Reserved.
+ *
+ * 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "drmP.h"
+#include "ttm/ttm_bo_driver.h"
+#include "ttm/ttm_placement.h"
+
+#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
+
+struct ttm_heap {
+	uint32_t busy_placements[TTM_NUM_MEM_TYPES];
+	uint32_t placements[TTM_NUM_MEM_TYPES];
+	struct ttm_buffer_object pbo;
+};
+
+static int
+ttm_global_mem_init(struct drm_global_reference *ref)
+{
+	return ttm_mem_global_init(ref->object);
+}
+
+static void
+ttm_global_mem_release(struct drm_global_reference *ref)
+{
+	ttm_mem_global_release(ref->object);
+}
+
+void
+ttm_global_fini(struct drm_global_reference *global_ref,
+			struct ttm_bo_global_ref *global_bo,
+			struct ttm_bo_device *bdev)
+{
+	if (global_ref->release == NULL)
+		return;
+
+	if (bdev)
+		ttm_bo_device_release(bdev);
+	drm_global_item_unref(&global_bo->ref);
+	drm_global_item_unref(global_ref);
+	global_ref->release = NULL;
+}
+
+int
+ttm_global_init(struct drm_global_reference *global_ref,
+			struct ttm_bo_global_ref *global_bo,
+			struct ttm_bo_driver *driver,
+			struct ttm_bo_device *bdev,
+			bool dma32)
+{
+	struct drm_global_reference *bo_ref;
+	int rc;
+
+	global_ref->global_type = DRM_GLOBAL_TTM_MEM;
+	global_ref->size = sizeof(struct ttm_mem_global);
+	global_ref->init = &ttm_global_mem_init;
+	global_ref->release = &ttm_global_mem_release;
+
+	rc = drm_global_item_ref(global_ref);
+	if (unlikely(rc != 0)) {
+		DRM_ERROR("Failed setting up TTM memory accounting\n");
+		global_ref->release = NULL;
+		return rc;
+	}
+
+	global_bo->mem_glob = global_ref->object;
+	bo_ref = &global_bo->ref;
+	bo_ref->global_type = DRM_GLOBAL_TTM_BO;
+	bo_ref->size = sizeof(struct ttm_bo_global);
+	bo_ref->init = &ttm_bo_global_init;
+	bo_ref->release = &ttm_bo_global_release;
+
+	rc = drm_global_item_ref(bo_ref);
+	if (unlikely(rc != 0)) {
+		DRM_ERROR("Failed setting up TTM BO subsystem\n");
+		drm_global_item_unref(global_ref);
+		global_ref->release = NULL;
+		return rc;
+	}
+
+	rc = ttm_bo_device_init(bdev, bo_ref->object, driver,
+				DRM_FILE_PAGE_OFFSET, dma32);
+	if (rc) {
+		DRM_ERROR("Error initialising bo driver: %d\n", rc);
+		ttm_global_fini(global_ref, global_bo, NULL);
+	}
+	return rc;
+}
+
+static void
+ttm_buffer_object_destroy(struct ttm_buffer_object *bo)
+{
+	struct ttm_heap *heap = container_of(bo, struct ttm_heap, pbo);
+
+	kfree(heap);
+	heap = NULL;
+}
+
+/*
+ * the buffer object domain
+ */
+void
+ttm_placement_from_domain(struct ttm_buffer_object *bo, struct ttm_placement *placement, u32 domains,
+				struct ttm_bo_device *bdev)
+{
+	struct ttm_heap *heap = container_of(bo, struct ttm_heap, pbo);
+	int cnt = 0, i = 0;
+
+	if (!(domains & TTM_PL_MASK_MEM)) domains = TTM_PL_FLAG_SYSTEM;
+
+	do {
+		int domain = (domains & (1 << i));
+
+		if (domain) {
+			heap->busy_placements[cnt] = (domain | bdev->man[i].default_caching);
+			heap->placements[cnt++] = (domain | bdev->man[i].available_caching);
+		}
+	} while (i++ < TTM_NUM_MEM_TYPES);
+
+	placement->num_busy_placement = placement->num_placement = cnt;
+	placement->busy_placement = heap->busy_placements;
+	placement->placement = heap->placements;
+	placement->fpfn = placement->lpfn = 0;
+}
+
+int
+ttm_bo_allocate(struct ttm_bo_device *bdev,
+		unsigned long size,
+		enum ttm_bo_type origin,
+		uint32_t domains,
+		uint32_t byte_align,
+		uint32_t page_align,
+		bool interruptible,
+		struct sg_table *sg,
+		struct file *persistant_swap_storage,
+		struct ttm_buffer_object **p_bo)
+{
+	unsigned long acc_size = sizeof(struct ttm_heap);
+	struct ttm_buffer_object *bo = NULL;
+	struct ttm_placement placement;
+	struct ttm_heap *heap;
+	int ret = -ENOMEM;
+
+	size = round_up(size, byte_align);
+	size = ALIGN(size, page_align);
+
+	heap = kzalloc(acc_size, GFP_KERNEL);
+	if (unlikely(!heap))
+		return ret;
+
+	bo = &heap->pbo;
+
+	ttm_placement_from_domain(bo, &placement, domains, bdev);
+
+	ret = ttm_bo_init(bdev, bo, size, origin, &placement,
+				page_align >> PAGE_SHIFT,
+				interruptible, persistant_swap_storage,
+				ttm_bo_dma_acc_size(bdev, size, acc_size),
+				sg, ttm_buffer_object_destroy);
+	if (unlikely(ret))
+		kfree(heap);
+	else
+		*p_bo = bo;
+	return ret;
+}
+
+int
+ttm_bo_pin(struct ttm_buffer_object *bo, struct ttm_bo_kmap_obj *kmap)
+{
+	struct ttm_heap *heap = container_of(bo, struct ttm_heap, pbo);
+	struct ttm_placement placement;
+	int ret;
+
+	ret = ttm_bo_reserve(bo, true, false, false, 0);
+	if (!ret) {
+		placement.placement = heap->placements;
+		placement.fpfn = placement.lpfn = 0;
+		placement.num_placement = 1;
+
+		heap->placements[0] = (bo->mem.placement | TTM_PL_FLAG_NO_EVICT);
+		ret = ttm_bo_validate(bo, &placement, false, false);
+		if (!ret && kmap)
+			ret = ttm_bo_kmap(bo, 0, bo->num_pages, kmap);
+		ttm_bo_unreserve(bo);
+	}
+	return ret;
+}
+
+int
+ttm_bo_unpin(struct ttm_buffer_object *bo, struct ttm_bo_kmap_obj *kmap)
+{
+	struct ttm_heap *heap = container_of(bo, struct ttm_heap, pbo);
+	struct ttm_placement placement;
+	int ret;
+
+	ret = ttm_bo_reserve(bo, true, false, false, 0);
+	if (!ret) {
+		if (kmap)
+			ttm_bo_kunmap(kmap);
+
+		placement.placement = heap->placements;
+		placement.fpfn = placement.lpfn = 0;
+		placement.num_placement = 1;
+
+		heap->placements[0] = (bo->mem.placement & ~TTM_PL_FLAG_NO_EVICT);
+		ret = ttm_bo_validate(bo, &placement, false, false);
+		ttm_bo_unreserve(bo);
+	}
+	return ret;
+}
+
+int
+ttm_allocate_kernel_buffer(struct ttm_bo_device *bdev, unsigned long size,
+				uint32_t alignment, uint32_t domain,
+				struct ttm_bo_kmap_obj *kmap)
+{
+	int ret = ttm_bo_allocate(bdev, size, ttm_bo_type_kernel, domain,
+					alignment, PAGE_SIZE, false, NULL,
+					NULL, &kmap->bo);
+	if (likely(!ret)) {
+		ret = ttm_bo_pin(kmap->bo, kmap);
+		if (unlikely(ret)) {
+			DRM_ERROR("failed to mmap the buffer\n");
+			ttm_bo_unref(&kmap->bo);
+			kmap->bo = NULL;
+		}
+	}
+	return ret;
+}
diff --git a/drivers/gpu/drm/via/ttm_gem.c b/drivers/gpu/drm/via/ttm_gem.c
new file mode 100644
index 0000000..4c30b8b
--- /dev/null
+++ b/drivers/gpu/drm/via/ttm_gem.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2012 James Simmons <jsimmons@infradead.org>. All Rights Reserved.
+ *
+ * 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) OR COPYRIGHT HOLDER(S) 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.
+ */
+#include "drmP.h"
+#include "via_drv.h"
+
+/*
+ * initialize the gem buffer object
+ */
+int ttm_gem_init_object(struct drm_gem_object *obj)
+{
+	return 0;
+}
+
+/*
+ * free the gem buffer object
+ */
+void ttm_gem_free_object(struct drm_gem_object *obj)
+{
+	struct ttm_buffer_object *bo = obj->driver_private;
+
+	if (bo) {
+		obj->driver_private = NULL;
+		ttm_bo_unref(&bo);
+	}
+	drm_gem_object_release(obj);
+	kfree(obj);
+}
+
+/*
+ * file operation mmap
+ */
+int ttm_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	struct drm_via_private *dev_priv;
+	struct drm_file *file_priv;
+
+	if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
+		return drm_mmap(filp, vma);
+
+	file_priv = filp->private_data;
+	dev_priv = file_priv->minor->dev->dev_private;
+	if (!dev_priv)
+		return -EINVAL;
+
+	return ttm_bo_mmap(filp, vma, &dev_priv->bdev);
+}
+
+struct drm_gem_object *
+ttm_gem_create(struct drm_device *dev, struct ttm_bo_device *bdev, int types,
+		bool interruptible, int byte_align, int page_align,
+		unsigned long size)
+{
+	struct ttm_buffer_object *bo = NULL;
+	struct drm_gem_object *obj;
+	int ret;
+
+	size = round_up(size, byte_align);
+	size = ALIGN(size, page_align);
+
+	obj = drm_gem_object_alloc(dev, size);
+	if (!obj)
+		return ERR_PTR(-ENOMEM);
+
+	ret = ttm_bo_allocate(bdev, size, ttm_bo_type_device, types,
+				byte_align, page_align, interruptible,
+				NULL, obj->filp, &bo);
+	if (ret) {
+		DRM_ERROR("Failed to create buffer object\n");
+		drm_gem_object_unreference_unlocked(obj);
+		return ERR_PTR(ret);
+	}
+	obj->driver_private = bo;
+	return obj;
+}
