[Bug 70301] [IT6506 Display Receiver] DP hotplug fails (display and audio) with i915/kernel 3.11.1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70301

--- Comment #10 from Ken Lin <ken.lin at advantech.com.tw> ---
(In reply to comment #8)
> Please try v3.12-rc4 which should have
> 
> commit bc86625a4ff7574d4d4dba79723457711eb784e0
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Sun Jul 21 16:00:03 2013 +0100
> 
>     drm/i915: Retry DP aux_ch communications with a different clock after
> failur
> 
> which changes the divider and adds a retry with another divider.

1. The DP display issue(which may have to do with aux timeout) was gone with
commit bc86625a4ff7574d4d4dba79723457711eb784e0 (please see the kernel log that
I attached to this thread).

2. The DP display issue still exists in the commit prior to commit
bc86625a4ff7574d4d4dba79723457711eb784e0.

3. The DP audio issue exists in commit bc86625a4ff7574d4d4dba79723457711eb784e0
(no card codec interface was found in /proc/asound/)

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