drm/nouveau: port remainder of drm code, and rip out compat layer

v2: Ben Skeggs <bskeggs@redhat.com>
- fill in nouveau_pm.dev to prevent oops
- fix ppc issues (build + OF shadow)

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.h b/drivers/gpu/drm/nouveau/nouveau_vga.h
new file mode 100644
index 0000000..ea3ad69
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_vga.h
@@ -0,0 +1,8 @@
+#ifndef __NOUVEAU_VGA_H__
+#define __NOUVEAU_VGA_H__
+
+void nouveau_vga_init(struct nouveau_drm *);
+void nouveau_vga_fini(struct nouveau_drm *);
+void nouveau_vga_lastclose(struct drm_device *dev);
+
+#endif