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-rw-r--r--drivers/gpu/drm/radeon/radeon.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index d15e3c0c09f5..93e407b7e7a7 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1780,8 +1780,16 @@ void radeon_test_syncing(struct radeon_device *rdev);
/*
* MMU Notifier
*/
+#if defined(CONFIG_MMU_NOTIFIER)
int radeon_mn_register(struct radeon_bo *bo, unsigned long addr);
void radeon_mn_unregister(struct radeon_bo *bo);
+#else
+static inline int radeon_mn_register(struct radeon_bo *bo, unsigned long addr)
+{
+ return -ENODEV;
+}
+static inline void radeon_mn_unregister(struct radeon_bo *bo) {}
+#endif
/*
* Debugfs
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