drm/nvd0/disp: call into core to handle dac power state changes

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
index 29f65dc..63611b8 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
@@ -896,6 +896,8 @@
 	priv->head.nr = nv_rd32(priv, 0x022448);
 	priv->dac.nr = 3;
 	priv->sor.nr = 4;
+	priv->dac.power = nv50_dac_power;
+	priv->dac.sense = nv50_dac_sense;
 	priv->sor.power = nv50_sor_power;
 	priv->sor.dp_train = nvd0_sor_dp_train;
 	priv->sor.dp_lnkctl = nvd0_sor_dp_lnkctl;