1 files changed, 0 insertions, 99 deletions

diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c
index 0ccd2ab3..3bf9d100 100644
--- a/linux-core/drm_compat.c
+++ b/linux-core/drm_compat.c
@@ -151,102 +151,3 @@ void idr_remove_all(struct idr *idp)
 EXPORT_SYMBOL(idr_remove_all);
 
 #endif /* DRM_IDR_COMPAT_FN */
-
-
-#ifdef DRM_NO_FAULT
-unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
-			      unsigned long address)
-{
-	struct drm_buffer_object *bo = (struct drm_buffer_object *) vma->vm_private_data;
-	unsigned long page_offset;
-	struct page *page = NULL;
-	struct drm_ttm *ttm;
-	struct drm_device *dev;
-	unsigned long pfn;
-	int err;
-	unsigned long bus_base;
-	unsigned long bus_offset;
-	unsigned long bus_size;
-	unsigned long ret = NOPFN_REFAULT;
-
-	if (address > vma->vm_end)
-		return NOPFN_SIGBUS;
-
-	dev = bo->dev;
-	err = drm_bo_read_lock(&dev->bm.bm_lock, 1);
-	if (err)
-		return NOPFN_REFAULT;
-
-	err = mutex_lock_interruptible(&bo->mutex);
-	if (err) {
-		drm_bo_read_unlock(&dev->bm.bm_lock);
-		return NOPFN_REFAULT;
-	}
-
-	err = drm_bo_wait(bo, 0, 1, 0, 1);
-	if (err) {
-		ret = (err != -EAGAIN) ? NOPFN_SIGBUS : NOPFN_REFAULT;
-		bo->priv_flags &= ~_DRM_BO_FLAG_UNLOCKED;
-		goto out_unlock;
-	}
-
-	bo->priv_flags &= ~_DRM_BO_FLAG_UNLOCKED;
-
-	/*
-	 * If buffer happens to be in a non-mappable location,
-	 * move it to a mappable.
-	 */
-
-	if (!(bo->mem.flags & DRM_BO_FLAG_MAPPABLE)) {
-		uint32_t new_flags = bo->mem.proposed_flags |
-			DRM_BO_FLAG_MAPPABLE |
-			DRM_BO_FLAG_FORCE_MAPPABLE;
-		err = drm_bo_move_buffer(bo, new_flags, 0, 0);
-		if (err) {
-			ret = (err != -EAGAIN) ? NOPFN_SIGBUS : NOPFN_REFAULT;
-			goto out_unlock;
-		}
-	}
-
-	err = drm_bo_pci_offset(dev, &bo->mem, &bus_base, &bus_offset,
-				&bus_size);
-
-	if (err) {
-		ret = NOPFN_SIGBUS;
-		goto out_unlock;
-	}
-
-	page_offset = (address - vma->vm_start) >> PAGE_SHIFT;
-
-	if (bus_size) {
-		struct drm_mem_type_manager *man = &dev->bm.man[bo->mem.mem_type];
-
-		pfn = ((bus_base + bus_offset) >> PAGE_SHIFT) + page_offset;
-		vma->vm_page_prot = drm_io_prot(man->drm_bus_maptype, vma);
-	} else {
-		ttm = bo->ttm;
-
-		drm_ttm_fixup_caching(ttm);
-		page = drm_ttm_get_page(ttm, page_offset);
-		if (!page) {
-			ret = NOPFN_OOM;
-			goto out_unlock;
-		}
-		pfn = page_to_pfn(page);
-		vma->vm_page_prot = (bo->mem.flags & DRM_BO_FLAG_CACHED) ?
-			vm_get_page_prot(vma->vm_flags) :
-			drm_io_prot(_DRM_TTM, vma);
-	}
-
-	err = vm_insert_pfn(vma, address, pfn);
-	if (err) {
-		ret = (err != -EAGAIN) ? NOPFN_OOM : NOPFN_REFAULT;
-		goto out_unlock;
-	}
-out_unlock:
-	BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNLOCKED);
-	mutex_unlock(&bo->mutex);
-	drm_bo_read_unlock(&dev->bm.bm_lock);
-	return ret;
-}
-#endif