diff --git a/drivers/gpu/drm/radeon/si.h b/drivers/gpu/drm/radeon/si.h
index 0a5018ef166e..a1751ae560f0 100644
--- a/drivers/gpu/drm/radeon/si.h
+++ b/drivers/gpu/drm/radeon/si.h
@@ -27,5 +27,6 @@
 struct radeon_device;
 
 int si_mc_load_microcode(struct radeon_device *rdev);
+u32 si_gpu_check_soft_reset(struct radeon_device *rdev);
 
 #endif                         /* __SI_H__ */
diff --git a/drivers/gpu/drm/radeon/si_dma.c b/drivers/gpu/drm/radeon/si_dma.c
index d2fa302a5be9..645897d1bfc3 100644
--- a/drivers/gpu/drm/radeon/si_dma.c
+++ b/drivers/gpu/drm/radeon/si_dma.c
@@ -25,10 +25,9 @@
 #include "radeon.h"
 #include "radeon_asic.h"
 #include "radeon_trace.h"
+#include "si.h"
 #include "sid.h"
 
-u32 si_gpu_check_soft_reset(struct radeon_device *rdev);
-
 /**
  * si_dma_is_lockup - Check if the DMA engine is locked up
  *