[Bug 107125] [i915] HDMI connector status is connected after disconnection

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107125

--- Comment #3 from Jani Nikula <jani.nikula at intel.com> ---
http://marc.info/?i=CAB4CAwfQxrfRF=MaJZqagtRyPfJOdHjcS32GTqyG8cOg5=UgKw@mail.gmail.com

On Fri, 06 Jul 2018, Chris Chiu <chiu at endlessm.com> wrote:
> On Thu, Jul 5, 2018 at 10:40 PM, Ville Syrjälä
> <ville.syrjala at linux.intel.com> wrote:
>> On Thu, Jul 05, 2018 at 03:58:36PM +0800, Chris Chiu wrote:
>>> Please advise what I can do to fix this. Thanks
>>
>> Pull the cable out faster?
>>
>> I presume this is the same old case of hpd disconnecting slightly
>> before ddc and we still manage to read the EDID when processing
>> the hpd irq. We kinda tried to fix that with the live status
>> check but that thing failed spectacularly.
>
> Thanks for the suggestion. I tried pulling the cable out faster, the status
> shows correctly. I also tried branch drm-tip of
> https://cgit.freedesktop.org/drm/drm-tip
> but the symptom persists.
>
> Anything I can help here? Or any old commit/patch I can try to do some
> experiments?

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