From: Sean Paul <seanp...@chromium.org>
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 <diand...@chromium.org>
Cc: Eric Anholt <e...@anholt.net>
Cc: Heiko Stuebner <he...@sntech.de>
Cc: Jeffy Chen <jeffy.c...@rock-chips.com>
Cc: Rob Herring <robh...@kernel.org>
Cc: Stéphane Marchesin <marc...@chromium.org>
Cc: Thierry Reding <thierry.red...@gmail.com>
Cc: devicet...@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-rockc...@lists.infradead.org
Signed-off-by: Sean Paul <seanp...@chromium.org>
Tested-by: Enric Balletbo i Serra <enric.balle...@collabora.com>
Signed-off-by: Douglas Anderson <diand...@chromium.org>
---
Changes in v5: None
Changes in v4:
- Rebase to top of Heiko's tree
- Converted changelog to after-the-cut for non-DRM change.
Changes in v3:
- Unwrap the timing from display-timings and rename panel-timing (Rob)
Changes in v2:
- Wrap the timing in display-timings node to match binding (Rob/Thierry)
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 15e254a77391..454f4149585f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
@@ -43,6 +43,20 @@
backlight = <&backlight>;
power-supply = <&pp3300_disp>;
+ panel-timing {
+ 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>;
+ };
+
port {
panel_in_edp: endpoint {
remote-endpoint = <&edp_out_panel>;
--
2.21.0.392.gf8f6787159e-goog
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