rockchip: drm: analogix_dp-rockchip would stock the kernel

Mark yao mark.yao at
Sun Oct 16 17:57:09 PDT 2016

On 2016年10月16日 02:03, ayaka wrote:
> Hello:
>    I meet a problem with eDP in rk3288 with the linux next 20161006, 
> it is just like the early stage of 4.4
> kernel.  I have added a eDP panel entry in the firefly reload board, 
> once the kernel loaded analogix_dp-rockchip.ko, after printed the 
> following two lines, the kernel stop working.
> rockchip-drm display-subsystem: bound ff940000.vop (ops 
> vop_component_ops [rockchipdrm])
> rockchip-drm display-subsystem: bound ff930000.vop (ops 
> vop_component_ops [rockchipdrm])

Hi ayaka

This log seems no problem.

How about tested it with build-in? we had test it with build-in.

Maybe this patch can help you, you can have a try.


> In the early June of the 4.4 kernel, I meet the same problem with 
> rk3288 evb board with different error message, I have to disable the 
> display system that time.
>   In the today test, I meet the same problem with rk3399 evb board in 
> 4.4.
>   I have no idea what caused that, and it is a little hard to debug as 
> kernel still would never kill that task.
>                                                             Randy Li

Mark Yao

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