diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
index fa21a04fd7f0..731355bdb9bc 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
@@ -543,12 +543,11 @@ static int ci_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset)
 {
 	struct ci_smumgr *smu_data = (struct ci_smumgr *)(hwmgr->smu_backend);
 	const struct ci_pt_defaults *defaults = smu_data->power_tune_defaults;
-	uint32_t temp;
 
 	if (ci_read_smc_sram_dword(hwmgr,
 			fuse_table_offset +
 			offsetof(SMU7_Discrete_PmFuses, TdcWaterfallCtl),
-			(uint32_t *)&temp, SMC_RAM_END))
+			(uint32_t *)&smu_data->power_tune_table.TdcWaterfallCtl, SMC_RAM_END))
 		PP_ASSERT_WITH_CODE(false,
 				"Attempt to read PmFuses.DW6 (SviLoadLineEn) from SMC Failed!",
 				return -EINVAL);