[Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915: Clean up the DDI clock routing mess

[Nautiyal, Ankit K]

On 2/2/2021 2:04 AM, Ville Syrjälä wrote:
> On Mon, Feb 01, 2021 at 08:12:11PM -0000, Patchwork wrote:
>> == Series Details ==
>>
>> Series: drm/i915: Clean up the DDI clock routing mess
>> URL   : https://patchwork.freedesktop.org/series/86544/
>> State : failure
>>
>> == Summary ==
>>
>> CI Bug Log - changes from CI_DRM_9713 -> Patchwork_19556
>> ====================================================
>>
>> Summary
>> -------
>>
>>    **FAILURE**
>>
>>    Serious unknown changes coming with Patchwork_19556 absolutely need to be
>>    verified manually.
>>    
>>    If you think the reported changes have nothing to do with the changes
>>    introduced in Patchwork_19556, please notify your bug team to allow them
>>    to document this new failure mode, which will reduce false positives in CI.
>>
>>    External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19556/index.html
>>
>> Possible new issues
>> -------------------
>>
>>    Here are the unknown changes that may have been introduced in Patchwork_19556:
>>
>> ### IGT changes ###
>>
>> #### Possible regressions ####
>>
>>    * igt at kms_chamelium@common-hpd-after-suspend:
>>      - fi-icl-u2:          [PASS][1] -> [DMESG-WARN][2]
>>     [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9713/fi-icl-u2/igt@kms_chamelium@common-hpd-after-suspend.html
>>     [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_19556/fi-icl-u2/igt@kms_chamelium@common-hpd-after-suspend.html
> <3> [153.691774] i915 0000:00:02.0: [drm] *ERROR* Failed to read DPCD register 0x92
>
> Seems to be
> https://gitlab.freedesktop.org/drm/intel/-/issues/2868
> except not yet tracked for icl.
>
> That register seems to be related to the HDMI 2.1 PCON stuff.

Yes you are right. I seemed to have missed a check for reading this only 
for DPCD rev>=1.4.

I'll be sending patch to fix this to intel-gfx.

I have already sent a patch to intel-trybot to verify this.

https://patchwork.freedesktop.org/patch/418137/?series=86551&rev=1

Thanks & Regards,

Ankit

>