[PATCH 3/3] arm64: dts: rockchip: Specify override mode for kevin panel

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This patch adds an override mode for kevin devices. The mode increases
both back porches to allow a pixel clock of 26666kHz as opposed to the
'typical' value of 252750kHz. This is needed to avoid interference with
the touch digitizer on these laptops.

Cc: Doug Anderson <dianders@xxxxxxxxxxxx>
Cc: Heiko Stuebner <heiko@xxxxxxxxx>
Cc: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Stéphane Marchesin <marcheu@xxxxxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-rockchip@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---
 arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
index 191a6bcb1704..24430e689bcf 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
@@ -98,6 +98,20 @@
 		backlight = <&backlight>;
 		power-supply = <&pp3300_disp>;
 
+		override-mode {
+			clock-frequency = <266604720>;
+			hactive = <2400>;
+			hfront-porch = <48>;
+			hback-porch = <84>;
+			hsync-len = <32>;
+			hsync-active = <0>;
+			vactive = <1600>;
+			vfront-porch = <3>;
+			vback-porch = <120>;
+			vsync-len = <10>;
+			vsync-active = <0>;
+		};
+
 		ports {
 			panel_in_edp: endpoint {
 				remote-endpoint = <&edp_out_panel>;
-- 
2.16.0.rc1.238.g530d649a79-goog

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