drm/amd/powerplay: enable swSMU mgpu fan boost support

Enable mgpu fan boost feature on swSMU routines.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1222,9 +1222,12 @@ int amdgpu_dpm_enable_mgpu_fan_boost(struct amdgpu_device *adev)
 	void *pp_handle = adev->powerplay.pp_handle;
 	const struct amd_pm_funcs *pp_funcs =
 			adev->powerplay.pp_funcs;
+	struct smu_context *smu = &adev->smu;
 	int ret = 0;
 
-	if (pp_funcs && pp_funcs->enable_mgpu_fan_boost)
+	if (is_support_sw_smu(adev))
+		ret = smu_enable_mgpu_fan_boost(smu);
+	else if (pp_funcs && pp_funcs->enable_mgpu_fan_boost)
 		ret = pp_funcs->enable_mgpu_fan_boost(pp_handle);
 
 	return ret;

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

@@ -2652,3 +2652,20 @@ ssize_t smu_sys_get_gpu_metrics(struct smu_context *smu,
 
 	return size;
 }
+
+int smu_enable_mgpu_fan_boost(struct smu_context *smu)
+{
+	int ret = 0;
+
+	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
+		return -EOPNOTSUPP;
+
+	mutex_lock(&smu->mutex);
+
+	if (smu->ppt_funcs->enable_mgpu_fan_boost)
+		ret = smu->ppt_funcs->enable_mgpu_fan_boost(smu);
+
+	mutex_unlock(&smu->mutex);
+
+	return ret;
+}

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

@@ -595,6 +595,7 @@ struct pptable_funcs {
 	size_t (*get_pp_feature_mask)(struct smu_context *smu, char *buf);
 	int (*set_pp_feature_mask)(struct smu_context *smu, uint64_t new_mask);
 	ssize_t (*get_gpu_metrics)(struct smu_context *smu, void **table);
+	int (*enable_mgpu_fan_boost)(struct smu_context *smu);
 };
 
 typedef enum {
@@ -799,5 +800,7 @@ int smu_get_status_gfxoff(struct amdgpu_device *adev, uint32_t *value);
 
 ssize_t smu_sys_get_gpu_metrics(struct smu_context *smu, void **table);
 
+int smu_enable_mgpu_fan_boost(struct smu_context *smu);
+
 #endif
 #endif