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path: root/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
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Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
index 54cdcb017518..f0a537319247 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h
@@ -117,6 +117,8 @@ struct nvkm_mmu {
struct list_head list;
} ptc, ptp;
+ struct mutex mutex; /* serialises mmu invalidations */
+
struct nvkm_device_oclass user;
};