drm/radeon: add dpm UVD handling for TN asics (v2)

v2: fix typo noticed by Dan Carpenter

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/trinity_smc.c b/drivers/gpu/drm/radeon/trinity_smc.c
index 60ffc1e..85f86a2 100644
--- a/drivers/gpu/drm/radeon/trinity_smc.c
+++ b/drivers/gpu/drm/radeon/trinity_smc.c
@@ -73,6 +73,11 @@
 	return trinity_notify_message_to_smu(rdev, PPSMC_MSG_DPM_ForceState);
 }
 
+int trinity_uvd_dpm_config(struct radeon_device *rdev)
+{
+	return trinity_notify_message_to_smu(rdev, PPSMC_MSG_UVD_DPM_Config);
+}
+
 int trinity_dpm_no_forced_level(struct radeon_device *rdev)
 {
 	return trinity_notify_message_to_smu(rdev, PPSMC_MSG_NoForcedLevel);