If CONFIG_HMM_MIRROR is not set, building may fails:
In file included from drivers/gpu/drm/amd/amdgpu/amdgpu.h:72:0,
from drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:40:
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h:69:20: error: field mirror has incomplete type
struct hmm_mirror mirror;
Fixes: 7590f6d211ec ("drm/amdgpu: Prepare for hmm_range_register API change")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h
index 281fd9f..b14f175 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h
@@ -65,8 +65,10 @@ struct amdgpu_mn {
struct rw_semaphore lock;
struct rb_root_cached objects;
+#if defined(CONFIG_HMM_MIRROR)
/* HMM mirror */
struct hmm_mirror mirror;
+#endif
};
#if defined(CONFIG_HMM_MIRROR)
--
2.7.4
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