diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 15ad35178f1a..7daf902772e4 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3412,7 +3412,7 @@
 #define   S3D_ENABLE			(1 << 31)
 #define _HSW_STEREO_3D_CTL_B		0x71020
 
-#define HSW_STEREO_3D_CTL(trans)	_MMIO_PIPE2(dev_priv, trans, _HSW_STEREO_3D_CTL_A)
+#define HSW_STEREO_3D_CTL(dev_priv, trans)	_MMIO_PIPE2(dev_priv, trans, _HSW_STEREO_3D_CTL_A)
 
 #define _PCH_TRANS_HTOTAL_B          0xe1000
 #define _PCH_TRANS_HBLANK_B          0xe1004