diff --git a/drivers/gpu/drm/nouveau/nv50_gpio.c b/drivers/gpu/drm/nouveau/nv50_gpio.c
index f429e6a8ca7a..f03490534893 100644
--- a/drivers/gpu/drm/nouveau/nv50_gpio.c
+++ b/drivers/gpu/drm/nouveau/nv50_gpio.c
@@ -115,6 +115,9 @@ nv50_gpio_init(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 
+	/* initialise gpios and routing to vbios defaults */
+	nouveau_gpio_reset(dev);
+
 	/* disable, and ack any pending gpio interrupts */
 	nv_wr32(dev, 0xe050, 0x00000000);
 	nv_wr32(dev, 0xe054, 0xffffffff);
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index dac525b2994e..8a2fc89b7763 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -1510,10 +1510,10 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
 	case OUTPUT_DP:
 		if (nv_connector->base.display_info.bpc == 6) {
 			nv_encoder->dp.datarate = mode->clock * 18 / 8;
-			syncs |= 0x00000140;
+			syncs |= 0x00000002 << 6;
 		} else {
 			nv_encoder->dp.datarate = mode->clock * 24 / 8;
-			syncs |= 0x00000180;
+			syncs |= 0x00000005 << 6;
 		}
 
 		if (nv_encoder->dcb->sorconf.link & 1)