[Intel-gfx] ✗ Fi.CI.BAT: warning for drm/i915/lspcon: Work around resume failure

[Imre Deak]

On Mon, 2016-10-24 at 21:58 +0300, Jani Nikula wrote:
> On Mon, 24 Oct 2016, Imre Deak <imre.deak at intel.com> wrote:
> > On ma, 2016-10-24 at 17:16 +0000, Patchwork wrote:
> > > == Series Details ==
> > > 
> > > Series: drm/i915/lspcon: Work around resume failure
> > > URL   : https://patchwork.freedesktop.org/series/14280/
> > > State : warning
> > > 
> > > == Summary ==
> > > 
> > > Series 14280v1 drm/i915/lspcon: Work around resume failure
> > > https://patchwork.freedesktop.org/api/1.0/series/14280/revisions/1/mb
> > > ox/
> > > 
> > > Test drv_module_reload_basic:
> > >                 pass       -> DMESG-WARN (fi-skl-6700hq)
> > 
> > This one is a result of the previous CI run where LSPCON failed after
> > S3. After a warm-reboot LSPCON is still in a broken state, and even the
> > initial LSPCON probe will fail.
> > 
> > A power cycle between CI runs would prevent the above.
> 
> Err, what. So patch 8/8 doesn't fix that problem? What fixes that
> then?!?

It does fix the problem, which happens after S3. The above fail is due to the
previous CI run which left LSPCON in a broken state after an S3 test. A subsequent
warm-reset on that machine won't recover LSPCON and the load time LSPCON probe will
fail. I couldn't reproduce this problem with the workaround applied.

--Imre

> 
> BR,
> Jani
> 
> > 
> > > Test gem_exec_suspend:
> > >         Subgroup basic-s3:
> > >                 dmesg-warn -> PASS       (fi-skl-6700hq)
> > > Test kms_pipe_crc_basic:
> > >         Subgroup suspend-read-crc-pipe-a:
> > >                 dmesg-warn -> PASS       (fi-skl-6700hq)
> > >         Subgroup suspend-read-crc-pipe-b:
> > >                 dmesg-warn -> PASS       (fi-skl-6700hq)
> > >         Subgroup suspend-read-crc-pipe-c:
> > >                 dmesg-warn -> PASS       (fi-skl-6700hq)
> > > 
> > > fi-bdw-
> > > 5557u     total:246  pass:231  dwarn:0   dfail:0   fail:0   skip:15 
> > > fi-bsw-
> > > n3050     total:246  pass:204  dwarn:0   dfail:0   fail:0   skip:42 
> > > fi-bxt-
> > > t5700     total:246  pass:216  dwarn:0   dfail:0   fail:0   skip:30 
> > > fi-byt-
> > > j1900     total:246  pass:215  dwarn:0   dfail:0   fail:0   skip:31 
> > > fi-byt-
> > > n2820     total:246  pass:211  dwarn:0   dfail:0   fail:0   skip:35 
> > > fi-hsw-
> > > 4770      total:246  pass:224  dwarn:0   dfail:0   fail:0   skip:22 
> > > fi-hsw-
> > > 4770r     total:246  pass:224  dwarn:0   dfail:0   fail:0   skip:22 
> > > fi-ilk-
> > > 650       total:246  pass:185  dwarn:0   dfail:0   fail:1   skip:60 
> > > fi-ivb-
> > > 3520m     total:246  pass:221  dwarn:0   dfail:0   fail:0   skip:25 
> > > fi-ivb-
> > > 3770      total:246  pass:221  dwarn:0   dfail:0   fail:0   skip:25 
> > > fi-skl-
> > > 6260u     total:246  pass:232  dwarn:0   dfail:0   fail:0   skip:14 
> > > fi-skl-
> > > 6700hq    total:246  pass:222  dwarn:1   dfail:0   fail:0   skip:23 
> > > fi-skl-
> > > 6700k     total:246  pass:222  dwarn:1   dfail:0   fail:0   skip:23 
> > > fi-skl-
> > > 6770hq    total:246  pass:232  dwarn:0   dfail:0   fail:0   skip:14 
> > > fi-snb-
> > > 2520m     total:246  pass:210  dwarn:0   dfail:0   fail:0   skip:36 
> > > fi-snb-
> > > 2600      total:246  pass:209  dwarn:0   dfail:0   fail:0   skip:37 
> > > 
> > > Results at /Patchwork_2801/
> > > 
> > > 102441087e47f4892b88c4f6e308e3edf89eeda1 drm-intel-nightly: 2016y-
> > > 10m-24d-14h-28m-17s UTC integration manifest
> > > eaa672c drm/i915/lspcon: Add workaround for resuming in PCON mode
> > > eb04604 drm/i915/lspcon: Get DDC adapter via container_of() instead
> > > of cached ptr
> > > 0ca993d drm/i915/dp: Read DP descriptor for eDP and LSPCON too
> > > 0144d102 drm/i915/lspcon: Fail LSPCON probe if the start of DPCD
> > > can't be read
> > > 7568e07 drm/i915/dp: Print full branch/sink descriptor
> > > 3b4f6e9 drm/i915/dp: Print only sink or branch specific OUI based on
> > > dev type
> > > b1439bc drm/i915/dp: Remove debug dependency of DPCD SW/HW revision
> > > read
> > > 2beca1a drm/dp: Factor out helper to distinguish between branch and
> > > sink devices
> > > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> -- 
> Jani Nikula, Intel Open Source Technology Center