On 12/1/2018 3:38 PM, Oskari Lemmela wrote:
Rockpro64 is not able boot if kernel is compiled with
CONFIG_DRM_ROCKCHIP=m

Enable Rockpro64 board HDMI output to fix issue.

Hi Oskari,

Could you please describe this issue in detail.

I am not able to reproduce this issue if CONFIG_DRM_ROCKCHIP is compile in or as a loadable module at the same time hdmi node is present or not.

Signed-off-by: Oskari Lemmela <osk...@lemmela.net>
---
  arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 7 +++++++
  1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts 
b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 5bd4d69914bd..be78172abc09 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -205,6 +205,13 @@
        status = "okay";
  };
+&hdmi {
+       ddc-i2c-bus = <&i2c3>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&hdmi_cec>;
+       status = "okay";
+};
+
  &i2c0 {
        clock-frequency = <400000>;
        i2c-scl-rising-time-ns = <168>;

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