diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_powertune.c
index 0b99ab3ba0c5063ca8d3cd70c91e3bab0c3f5ab1..ae96f14b827cd45261483d18a19cd6de1e3b3420 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_powertune.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_powertune.c
@@ -286,7 +286,7 @@ int polaris10_populate_pm_fuses(struct pp_hwmgr *hwmgr)
 
 		if (polaris10_copy_bytes_to_smc(hwmgr->smumgr, pm_fuse_table_offset,
 				(uint8_t *)&data->power_tune_table,
-				sizeof(struct SMU74_Discrete_PmFuses), data->sram_end))
+				(sizeof(struct SMU74_Discrete_PmFuses) - 92), data->sram_end))
 			PP_ASSERT_WITH_CODE(false,
 					"Attempt to download PmFuseTable Failed!",
 					return -EINVAL);