drm/radeon/kms/pm: add support for SetVoltage cmd table (V2)
- This enables voltage adjustment on r6xx+ and certain
r5xx asics.
- Voltage drop support is already available for most
r1xx-r5xx asics.
V2: endian fix for voltage table.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 44e96a2..e14f597 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -475,6 +475,12 @@
void r600_pm_misc(struct radeon_device *rdev)
{
+ int requested_index = rdev->pm.requested_power_state_index;
+ struct radeon_power_state *ps = &rdev->pm.power_state[requested_index];
+ struct radeon_voltage *voltage = &ps->clock_info[0].voltage;
+
+ if ((voltage->type == VOLTAGE_SW) && voltage->voltage)
+ radeon_atom_set_voltage(rdev, voltage->voltage);
}