drm/nv50: import new vm code

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c
index 5cc3f7e..dd1859f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_object.c
+++ b/drivers/gpu/drm/nouveau/nouveau_object.c
@@ -213,7 +213,7 @@
 		}
 
 		ret = -ENOSYS;
-		if (dev_priv->ramin_available)
+		if (!(flags & NVOBJ_FLAG_DONT_MAP))
 			ret = instmem->map(gpuobj);
 		if (ret)
 			gpuobj->pinst = ~0;