drm/amd/powerplay: add pp_table_version in hwmgr.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
index 2d72e06..82427fb 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
@@ -67,6 +67,7 @@
 	hwmgr->chip_id = pp_init->chip_id;
 	hwmgr->usec_timeout = AMD_MAX_USEC_TIMEOUT;
 	hwmgr->power_source = PP_PowerSource_AC;
+	hwmgr->pp_table_version = PP_TABLE_V1;
 
 	hwmgr_init_default_caps(hwmgr);
 	hwmgr_set_user_specify_caps(hwmgr);
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index 7caf8d0..e987483 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -599,6 +599,13 @@
 };
 
 
+enum PP_TABLE_VERSION {
+	PP_TABLE_V0 = 0,
+	PP_TABLE_V1,
+	PP_TABLE_V2,
+	PP_TABLE_MAX
+};
+
 /**
  * The main hardware manager structure.
  */
@@ -606,6 +613,7 @@
 	uint32_t chip_family;
 	uint32_t chip_id;
 
+	uint32_t pp_table_version;
 	void *device;
 	struct pp_smumgr *smumgr;
 	const void *soft_pp_table;