diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index 363018c..1787e8c 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1984,8 +1984,8 @@ int rv6xx_dpm_init(struct radeon_device *rdev)
 	else
 		pi->fb_div_scale = 0;
 
-	pi->voltage_control =
-		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0);
+	pi->voltage_control = false;
+//		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0);
 
 	pi->gfx_clock_gating = true;