diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
index c489c69fb5ed52fdc24d46df7a17f6a022a3f175..bd745a4fae0ce7c8edc5e0292dd27b44cdab8687 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
@@ -375,6 +375,10 @@ enum amdgpu_pcie_gen {
 		((adev)->powerplay.pp_funcs->odn_edit_dpm_table(\
 			(adev)->powerplay.pp_handle, type, parameter, size))
 
+#define amdgpu_dpm_set_mmhub_powergating_by_smu(adev) \
+		((adev)->powerplay.pp_funcs->set_mmhub_powergating_by_smu( \
+		(adev)->powerplay.pp_handle))
+
 struct amdgpu_dpm {
 	struct amdgpu_ps        *ps;
 	/* number of valid power states */
diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
index 1fc995b2b26fea845e6f2cb1f844ce3028eeee5e..4f69fe8ca3715977ba0d1a1ad4ed2bd1af9fcc42 100644
--- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
@@ -310,6 +310,7 @@ struct amd_pm_funcs {
 	int (*get_power_profile_mode)(void *handle, char *buf);
 	int (*set_power_profile_mode)(void *handle, long *input, uint32_t size);
 	int (*odn_edit_dpm_table)(void *handle, uint32_t type, long *input, uint32_t size);
+	int (*set_mmhub_powergating_by_smu)(void *handle);
 };
 
 #endif