diff --git a/sys/dev/drm/amd/powerplay/hwmgr/vega10_powertune.c b/sys/dev/drm/amd/powerplay/hwmgr/vega10_powertune.c
--- a/sys/dev/drm/amd/powerplay/hwmgr/vega10_powertune.c
+++ b/sys/dev/drm/amd/powerplay/hwmgr/vega10_powertune.c
@@ -1292,6 +1292,8 @@
 	struct phm_ppt_v2_information *table_info =
 			(struct phm_ppt_v2_information *)(hwmgr->pptable);
 	struct phm_tdp_table *tdp_table = table_info->tdp_table;
+	if (tdp_table == NULL)
+		return;
 	PPTable_t *table = &(data->smc_state_table.pp_table);
 
 	table->SocketPowerLimit = cpu_to_le16(