diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index b2b7c11..4b6623d 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -50,6 +50,7 @@
 		if (voltage->voltage != rdev->pm.current_vddc) {
 			radeon_atom_set_voltage(rdev, voltage->voltage);
 			rdev->pm.current_vddc = voltage->voltage;
+			DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
 		}
 	}
 }
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 7b55391..0e91871 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -566,6 +566,7 @@
 		if (voltage->voltage != rdev->pm.current_vddc) {
 			radeon_atom_set_voltage(rdev, voltage->voltage);
 			rdev->pm.current_vddc = voltage->voltage;
+			DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
 		}
 	}
 }
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index f2e1c60..19fb365 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -699,6 +699,8 @@
 	seq_printf(m, "default memory clock: %u0 kHz\n", rdev->clock.default_mclk);
 	if (rdev->asic->get_memory_clock)
 		seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev));
+	if (rdev->pm.current_vddc)
+		seq_printf(m, "voltage: %u mV\n", rdev->pm.current_vddc);
 	if (rdev->asic->get_pcie_lanes)
 		seq_printf(m, "PCIE lanes: %d\n", radeon_get_pcie_lanes(rdev));
 
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index e8fb8b6..cec536c 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -53,6 +53,7 @@
 		if (voltage->voltage != rdev->pm.current_vddc) {
 			radeon_atom_set_voltage(rdev, voltage->voltage);
 			rdev->pm.current_vddc = voltage->voltage;
+			DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
 		}
 	}
 }