amd/powerplay: No SW XGMI dpm for Arcturus rev 2

xgmi dpm is handled by the SMU.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c

@@ -248,7 +248,7 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate)
 
 	dev_dbg(adev->dev, "Set xgmi pstate %d.\n", pstate);
 
-	if (is_support_sw_smu(adev))
+	if (is_support_sw_smu_xgmi(adev))
 		ret = smu_set_xgmi_pstate(&adev->smu, pstate);
 	if (ret)
 		dev_err(adev->dev,

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

@@ -370,6 +370,17 @@ bool is_support_sw_smu(struct amdgpu_device *adev)
 		return false;
 }
 
+bool is_support_sw_smu_xgmi(struct amdgpu_device *adev)
+{
+	if (amdgpu_dpm != 1)
+		return false;
+
+	if (adev->asic_type == CHIP_VEGA20)
+		return true;
+
+	return false;
+}
+
 int smu_sys_get_pp_table(struct smu_context *smu, void **table)
 {
 	struct smu_table_context *smu_table = &smu->smu_table;

drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h

@@ -951,6 +951,7 @@ int smu_update_table(struct smu_context *smu, enum smu_table_id table_index, int
 		     void *table_data, bool drv2smu);
 
 bool is_support_sw_smu(struct amdgpu_device *adev);
+bool is_support_sw_smu_xgmi(struct amdgpu_device *adev);
 int smu_reset(struct smu_context *smu);
 int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor,
 			   void *data, uint32_t *size);