drm/nouveau/fifo/gf100-: call into BAR to reset BARs after MMU fault

This is needed for Turing, but we're supposed to wait for completion after
re-writing the value on older GPUs anyway.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h

@@ -16,8 +16,10 @@ struct nvkm_bar {
 };
 
 struct nvkm_vmm *nvkm_bar_bar1_vmm(struct nvkm_device *);
+void nvkm_bar_bar1_reset(struct nvkm_device *);
 void nvkm_bar_bar2_init(struct nvkm_device *);
 void nvkm_bar_bar2_fini(struct nvkm_device *);
+void nvkm_bar_bar2_reset(struct nvkm_device *);
 struct nvkm_vmm *nvkm_bar_bar2_vmm(struct nvkm_device *);
 void nvkm_bar_flush(struct nvkm_bar *);