From: Eric Huang <JinHuiEric.Huang@amd.com>
Date: Tue, 6 Feb 2018 16:19:24 -0500
Subject: drm/amdgpu: add an interface of
 amdgpu_dpm_set_mmhub_powergating_by_smu
Git-commit: 913fa7a14dd1b826fe1acf4e98c33f5e17a6104b
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h        |    4 ++++
 drivers/gpu/drm/amd/include/kgd_pp_interface.h |    1 +
 2 files changed, 5 insertions(+)

--- 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 */
--- 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