drm/nv84/disp: move hdmi control into core

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c
index 4a52cb7..806e24a 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c
@@ -78,6 +78,7 @@
 	priv->dac.power = nv50_dac_power;
 	priv->dac.sense = nv50_dac_sense;
 	priv->sor.power = nv50_sor_power;
+	priv->sor.hdmi = nv84_hdmi_ctrl;
 
 	INIT_LIST_HEAD(&priv->base.vblank.list);
 	spin_lock_init(&priv->base.vblank.lock);