summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
index 12263986f889..8fd11497faba 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
@@ -21,6 +21,9 @@
*
*/
+#ifndef AMDGPU_DOORBELL_H
+#define AMDGPU_DOORBELL_H
+
/*
* GPU doorbell structures, functions & helpers
*/
@@ -308,3 +311,4 @@ void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
#define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))
#define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v))
+#endif