drm/radeon/kms/pm: voltage fixes

- Enable GPIO voltage for non pm modes as well so resetting
the default voltage works.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/radeon_atombios.c

@@ -1538,7 +1538,8 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 					rdev->pm.power_state[state_index].pcie_lanes =
 						power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
 					misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
-					if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+					if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
+					    (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
 						rdev->pm.power_state[state_index].clock_info[0].voltage.type =
 							VOLTAGE_GPIO;
 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
@@ -1605,7 +1606,8 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
 					misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
 					misc2 = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo2);
-					if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+					if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
+					    (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
 						rdev->pm.power_state[state_index].clock_info[0].voltage.type =
 							VOLTAGE_GPIO;
 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
@@ -1679,7 +1681,8 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 						power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
 					misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
 					misc2 = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo2);
-					if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+					if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
+					    (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
 						rdev->pm.power_state[state_index].clock_info[0].voltage.type =
 							VOLTAGE_GPIO;
 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =

drivers/gpu/drm/radeon/radeon_combios.c

@@ -2454,7 +2454,12 @@ default_mode:
 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
-	rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+	if ((state_index > 0) &&
+	    (rdev->pm.power_state[0].clock_info[0].voltage.type = VOLTAGE_GPIO))
+		rdev->pm.power_state[state_index].clock_info[0].voltage =
+			rdev->pm.power_state[0].clock_info[0].voltage;
+	else
+		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
 	rdev->pm.power_state[state_index].pcie_lanes = 16;
 	rdev->pm.power_state[state_index].flags = 0;
 	rdev->pm.default_power_state_index = state_index;