The MSI Primo81 tablet has a micro HDMI connector at the bottom.
This is connected to the SoCs HDMI output.

Enable the display pipeline and the HDMI output.

Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
 arch/arm/boot/dts/sun6i-a31s-primo81.dts | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm/boot/dts/sun6i-a31s-primo81.dts 
b/arch/arm/boot/dts/sun6i-a31s-primo81.dts
index f3712753fa42..26154b2f87a3 100644
--- a/arch/arm/boot/dts/sun6i-a31s-primo81.dts
+++ b/arch/arm/boot/dts/sun6i-a31s-primo81.dts
@@ -52,17 +52,42 @@
 / {
        model = "MSI Primo81 tablet";
        compatible = "msi,primo81", "allwinner,sun6i-a31s";
+
+       hdmi-connector {
+               compatible = "hdmi-connector";
+               type = "c";
+
+               port {
+                       hdmi_con_in: endpoint {
+                               remote-endpoint = <&hdmi_out_con>;
+                       };
+               };
+       };
 };
 
 &cpu0 {
        cpu-supply = <&reg_dcdc3>;
 };
 
+&de {
+       status = "okay";
+};
+
 &ehci0 {
        /* rtl8188etv wifi is connected here */
        status = "okay";
 };
 
+&hdmi {
+       status = "okay";
+};
+
+&hdmi_out {
+       hdmi_out_con: endpoint {
+               remote-endpoint = <&hdmi_con_in>;
+       };
+};
+
 &i2c0 {
        /* pull-ups and device VDDIO use AXP221 DLDO3 */
        pinctrl-names = "default";
-- 
2.11.0

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