drm/ttm: kill unused functions

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 0 insertions, 154 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 8c0e2c020215..1006c15445e9 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -290,157 +290,3 @@ int ttm_fbdev_mmap(struct vm_area_struct *vma, struct ttm_buffer_object *bo)
         return 0;
 }
 EXPORT_SYMBOL(ttm_fbdev_mmap);
-
-
-ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp,
-                  const char __user *wbuf, char __user *rbuf, size_t count,
-                  loff_t *f_pos, bool write)
-{
-        struct ttm_buffer_object *bo;
-        struct ttm_bo_driver *driver;
-        struct ttm_bo_kmap_obj map;
-        unsigned long dev_offset = (*f_pos >> PAGE_SHIFT);
-        unsigned long kmap_offset;
-        unsigned long kmap_end;
-        unsigned long kmap_num;
-        size_t io_size;
-        unsigned int page_offset;
-        char *virtual;
-        int ret;
-        bool no_wait = false;
-        bool dummy;
-
-        bo = ttm_bo_vm_lookup(bdev, dev_offset, 1);
-        if (unlikely(bo == NULL))
-                return -EFAULT;
-
-        driver = bo->bdev->driver;
-        if (unlikely(!driver->verify_access)) {
-                ret = -EPERM;
-                goto out_unref;
-        }
-
-        ret = driver->verify_access(bo, filp);
-        if (unlikely(ret != 0))
-                goto out_unref;
-
-        kmap_offset = dev_offset - drm_vma_node_start(&bo->vma_node);
-        if (unlikely(kmap_offset >= bo->num_pages)) {
-                ret = -EFBIG;
-                goto out_unref;
-        }
-
-        page_offset = *f_pos & ~PAGE_MASK;
-        io_size = bo->num_pages - kmap_offset;
-        io_size = (io_size << PAGE_SHIFT) - page_offset;
-        if (count < io_size)
-                io_size = count;
-
-        kmap_end = (*f_pos + count - 1) >> PAGE_SHIFT;
-        kmap_num = kmap_end - kmap_offset + 1;
-
-        ret = ttm_bo_reserve(bo, true, no_wait, false, 0);
-
-        switch (ret) {
-        case 0:
-                break;
-        case -EBUSY:
-                ret = -EAGAIN;
-                goto out_unref;
-        default:
-                goto out_unref;
-        }
-
-        ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
-        if (unlikely(ret != 0)) {
-                ttm_bo_unreserve(bo);
-                goto out_unref;
-        }
-
-        virtual = ttm_kmap_obj_virtual(&map, &dummy);
-        virtual += page_offset;
-
-        if (write)
-                ret = copy_from_user(virtual, wbuf, io_size);
-        else
-                ret = copy_to_user(rbuf, virtual, io_size);
-
-        ttm_bo_kunmap(&map);
-        ttm_bo_unreserve(bo);
-        ttm_bo_unref(&bo);
-
-        if (unlikely(ret != 0))
-                return -EFBIG;
-
-        *f_pos += io_size;
-
-        return io_size;
-out_unref:
-        ttm_bo_unref(&bo);
-        return ret;
-}
-
-ssize_t ttm_bo_fbdev_io(struct ttm_buffer_object *bo, const char __user *wbuf,
-                        char __user *rbuf, size_t count, loff_t *f_pos,
-                        bool write)
-{
-        struct ttm_bo_kmap_obj map;
-        unsigned long kmap_offset;
-        unsigned long kmap_end;
-        unsigned long kmap_num;
-        size_t io_size;
-        unsigned int page_offset;
-        char *virtual;
-        int ret;
-        bool no_wait = false;
-        bool dummy;
-
-        kmap_offset = (*f_pos >> PAGE_SHIFT);
-        if (unlikely(kmap_offset >= bo->num_pages))
-                return -EFBIG;
-
-        page_offset = *f_pos & ~PAGE_MASK;
-        io_size = bo->num_pages - kmap_offset;
-        io_size = (io_size << PAGE_SHIFT) - page_offset;
-        if (count < io_size)
-                io_size = count;
-
-        kmap_end = (*f_pos + count - 1) >> PAGE_SHIFT;
-        kmap_num = kmap_end - kmap_offset + 1;
-
-        ret = ttm_bo_reserve(bo, true, no_wait, false, 0);
-
-        switch (ret) {
-        case 0:
-                break;
-        case -EBUSY:
-                return -EAGAIN;
-        default:
-                return ret;
-        }
-
-        ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
-        if (unlikely(ret != 0)) {
-                ttm_bo_unreserve(bo);
-                return ret;
-        }
-
-        virtual = ttm_kmap_obj_virtual(&map, &dummy);
-        virtual += page_offset;
-
-        if (write)
-                ret = copy_from_user(virtual, wbuf, io_size);
-        else
-                ret = copy_to_user(rbuf, virtual, io_size);
-
-        ttm_bo_kunmap(&map);
-        ttm_bo_unreserve(bo);
-        ttm_bo_unref(&bo);
-
-        if (unlikely(ret != 0))
-                return ret;
-
-        *f_pos += io_size;
-
-        return io_size;
-}