Cc: airlied@linux.ie, linux-kernel@vger.kernel.org, seanpaul@chromium.org,
        inki.dae@samsung.com, daniel.vetter@ffwll.ch, architt@codeaurora.org,
        tomeu.vizoso@collabora.com, gustavo.padovan@collabora.co.uk,
        ville.syrjala@linux.intel.com, linux-rockchip@lists.infradead.org
To: dri-devel@lists.freedesktop.org
From: Randy Li <randy.li@rock-chips.com>
Subject: the dp helper would try to enable the i2c channel for rockchip-edp
Message-ID: <24daffe0-42a4-2a37-d685-7d9ecf9c3b11@rock-chips.com>
Date: Wed, 19 Oct 2016 21:52:26 +0800
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Hello,

   Recently, I want to use a eDP panel in my RK3288 platform, but I got 
the following message:

[    8.935918] i2c i2c-6: of_i2c: modalias failure on /dp@ff970000/ports
[    8.936018] rockchip-drm display-subsystem: bound ff970000.dp (ops 
rockchip_dp_component_ops [analogix_dp_rockchip])
It try to enable the eDP aux channel and add a new I2C controller, but 
it failed then the whole display subsystem is broken, the panel doesn't 
power on either.

   I hope somebody could figure out what is wrong with it.