diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
index 586f73276226415b4384482720ce605e85921da2..92912ab20944f4a020081ebaa25f91670c7c57be 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
@@ -633,6 +633,8 @@ static int fiji_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 	data->vddci_control = FIJI_VOLTAGE_CONTROL_NONE;
 	data->mvdd_control = FIJI_VOLTAGE_CONTROL_NONE;
 
+	data->force_pcie_gen = PP_PCIEGenInvalid;
+
 	if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
 			VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2))
 		data->voltage_control = FIJI_VOLTAGE_CONTROL_BY_SVID2;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
index 07159958e77dc71e1a250557d23e2b4da90d9891..643677fb5212b40b7d8a4085f8187234be4c24ad 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
@@ -2941,6 +2941,7 @@ int polaris10_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 
 	data->enable_tdc_limit_feature = true;
 	data->enable_pkg_pwr_tracking_feature = true;
+	data->force_pcie_gen = PP_PCIEGenInvalid;
 
 	if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
 			VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2))
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
index d27e8c40602a03cbf434904b104c4fd50ff714bf..233eb7f36c1da19e76689d430f83e4cc12e1fc9d 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
@@ -4489,6 +4489,7 @@ int tonga_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 	data->vdd_ci_control = TONGA_VOLTAGE_CONTROL_NONE;
 	data->vdd_gfx_control = TONGA_VOLTAGE_CONTROL_NONE;
 	data->mvdd_control = TONGA_VOLTAGE_CONTROL_NONE;
+	data->force_pcie_gen = PP_PCIEGenInvalid;
 
 	if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
 				VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2)) {