[Intel-gfx] ✗ Ro.CI.BAT: warning for drm/i915: Fix power sequencer use before init

[Imre Deak]

On ti, 2016-06-21 at 09:45 +0000, Patchwork wrote:
> == Series Details ==
> 
> Series: drm/i915: Fix power sequencer use before init
> URL   : https://patchwork.freedesktop.org/series/8967/
> State : warning
> 
> == Summary ==
> 
> Series 8967v1 drm/i915: Fix power sequencer use before init
> http://patchwork.freedesktop.org/api/1.0/series/8967/revisions/1/mbox
> 
> Test kms_flip:
>         Subgroup basic-flip-vs-wf_vblank:
>                 fail       -> PASS       (ro-snb-i7-2620M)
> Test kms_pipe_crc_basic:
>         Subgroup suspend-read-crc-pipe-a:
>                 skip       -> DMESG-WARN (ro-bdw-i5-5250u)
>         Subgroup suspend-read-crc-pipe-b:
>                 skip       -> DMESG-WARN (ro-bdw-i5-5250u)
>         Subgroup suspend-read-crc-pipe-c:
>                 skip       -> DMESG-WARN (ro-bdw-i5-5250u)

All the above are pre-existing issues and not related to these patches
since the machine above doesn't have an eDP connection. I opened a bug:
https://bugs.freedesktop.org/show_bug.cgi?id=96614

After suspend-to-ram and resume on an external DP output:

[  291.867864] [drm:intel_enable_shared_dpll] enable LCPLL 1350 (active 1, on? 0) for crtc 26
[  291.867865] [drm:intel_enable_shared_dpll] enabling LCPLL 1350
[  291.870603] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x7145000c
...
[  291.950407] [drm:drm_dp_dpcd_access] too many retries, giving up
...
[  292.119813] [drm:intel_dp_sink_dpms] failed to enable sink power state
...
[  292.373085] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* failed to enable link training
...
[  292.458254] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start channel equalization

> 
> fi-skl-i5-
> 6260u  total:225  pass:200  dwarn:0   dfail:0   fail:2   skip:23 
> fi-skl-i7-
> 6700k  total:225  pass:186  dwarn:0   dfail:0   fail:2   skip:37 
> fi-snb-i7-
> 2600   total:225  pass:172  dwarn:0   dfail:0   fail:2   skip:51 
> ro-bdw-i5-
> 5250u  total:225  pass:197  dwarn:4   dfail:0   fail:0   skip:24 
> ro-bdw-i7-
> 5600u  total:225  pass:185  dwarn:0   dfail:0   fail:0   skip:40 
> ro-byt-
> n2820     total:225  pass:173  dwarn:0   dfail:0   fail:3   skip:49 
> ro-hsw-i3-
> 4010u  total:225  pass:190  dwarn:0   dfail:0   fail:0   skip:35 
> ro-hsw-i7-
> 4770r  total:225  pass:190  dwarn:0   dfail:0   fail:0   skip:35 
> ro-ilk-i7-
> 620lm  total:225  pass:150  dwarn:0   dfail:0   fail:1   skip:74 
> ro-ilk1-i5-
> 650   total:220  pass:150  dwarn:0   dfail:0   fail:1   skip:69 
> ro-ivb-i7-
> 3770   total:225  pass:181  dwarn:0   dfail:0   fail:0   skip:44 
> ro-ivb2-i7-
> 3770  total:225  pass:185  dwarn:0   dfail:0   fail:0   skip:40 
> ro-skl3-i5-6260u
> total:225  pass:201  dwarn:1   dfail:0   fail:0   skip:23 
> ro-snb-i7-
> 2620M  total:225  pass:174  dwarn:0   dfail:0   fail:1   skip:50 
> fi-hsw-i7-4770k failed to connect after reboot
> ro-bdw-i7-5557U failed to connect after reboot
> 
> Results at /archive/results/CI_IGT_test/RO_Patchwork_1249/
> 
> 79c69c3 drm-intel-nightly: 2016y-06m-21d-08h-53m-58s UTC integration
> manifest
> 8464015 drm/i915: Group all the PPS init steps to one place
> d07dffd drm/i915: Initialize the PPS HW before its first use
> 1ce6454 drm/i915/ibx, cpt: Don't attempt to register eDP if LVDS was
> detected
>