drm/amd/pp: Add common interface in smu for update dpm setting

it is used for adjust part of dpm settigs per workloads
to change the natural dpm behavior for better perf or perf/watt.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -239,6 +239,7 @@ struct pp_smumgr_func {
 	int (*populate_requested_graphic_levels)(struct pp_hwmgr *hwmgr,
 			struct amd_pp_profile *request);
 	bool (*is_hw_avfs_present)(struct pp_hwmgr  *hwmgr);
+	int (*update_dpm_settings)(struct pp_hwmgr *hwmgr, void *profile_setting);
 };
 
 struct pp_hwmgr_func {

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

@@ -134,5 +134,6 @@ extern int smum_populate_requested_graphic_levels(struct pp_hwmgr *hwmgr,
 
 extern bool smum_is_hw_avfs_present(struct pp_hwmgr *hwmgr);
 
+extern int smum_update_dpm_settings(struct pp_hwmgr *hwmgr, void *profile_setting);
 
 #endif

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

@@ -253,3 +253,11 @@ bool smum_is_hw_avfs_present(struct pp_hwmgr *hwmgr)
 
 	return false;
 }
+
+int smum_update_dpm_settings(struct pp_hwmgr *hwmgr, void *profile_setting)
+{
+	if (hwmgr->smumgr_funcs->update_dpm_settings)
+		return hwmgr->smumgr_funcs->update_dpm_settings(hwmgr, profile_setting);
+
+	return -EINVAL;
+}