diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.h b/drivers/gpu/drm/nouveau/nouveau_gem.h
index 277ede200f64..e551a76f1212 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.h
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.h
@@ -44,5 +44,7 @@ extern struct drm_gem_object *nouveau_gem_prime_import_sg_table(
    struct drm_device *, struct dma_buf_attachment *, struct sg_table *);
 extern void *nouveau_gem_prime_vmap(struct drm_gem_object *);
 extern void nouveau_gem_prime_vunmap(struct drm_gem_object *, void *);
+extern int nouveau_gem_prime_mmap(struct drm_gem_object *,
+                 struct vm_area_struct *);

 #endif
diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c
index 1fefc93af1d7..e0766fa8868e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_prime.c
+++ b/drivers/gpu/drm/nouveau/nouveau_prime.c
@@ -23,6 +23,7 @@
  */

 #include <drm/drmP.h>
+#include <drm/drm_legacy.h>
 #include <linux/dma-buf.h>

 #include "nouveau_drv.h"
@@ -114,3 +115,30 @@ struct reservation_object *nouveau_gem_prime_res_obj(struct drm_gem_object *obj)

    return nvbo->bo.resv;
 }
+
+int nouveau_gem_prime_mmap(struct drm_gem_object *obj,
+              struct vm_area_struct *vma)
+{
+   struct nouveau_bo *nvbo = nouveau_gem_object(obj);
+   int ret;
+
+   pr_info("> %s(obj=%p, vma=%p)\n", __func__, obj, vma);
+   pr_info("  filp: %p\n", obj->filp);
+
+   vma->vm_pgoff += drm_vma_node_offset_addr(&nvbo->bo.vma_node) >> PAGE_SHIFT;
+
+   if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
+       return drm_legacy_mmap(vma->vm_file, vma);
+
+   ret = drm_vma_node_allow(&obj->vma_node, vma->vm_file->private_data);
+   if (ret)
+       goto out;
+
+   ret = ttm_bo_mmap(vma->vm_file, vma, nvbo->bo.bdev);
+
+   drm_vma_node_revoke(&obj->vma_node, vma->vm_file->private_data);
+
+out:
+   pr_info("< %s() = %d\n", __func__, ret);
+   return ret;
+}