[Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915/bxt: Fix HDMI DPLL configuration

[Ville Syrjälä]

On Tue, Sep 27, 2016 at 05:08:34PM +0300, Imre Deak wrote:
> On ti, 2016-09-27 at 15:46 +0300, Ville Syrjälä wrote:
> > On Tue, Sep 27, 2016 at 02:07:11PM +0300, Imre Deak wrote:
> > > On ma, 2016-09-26 at 15:25 +0000, Patchwork wrote:
> > > > == Series Details ==
> > > > 
> > > > Series: drm/i915/bxt: Fix HDMI DPLL configuration
> > > > URL   : https://patchwork.freedesktop.org/series/12930/
> > > > State : failure
> > > > 
> > > > == Summary ==
> > > > 
> > > > Series 12930v1 drm/i915/bxt: Fix HDMI DPLL configuration
> > > > https://patchwork.freedesktop.org/api/1.0/series/12930/revisions/
> > > > 1/mb
> > > > ox/
> > > > 
> > > > Test kms_pipe_crc_basic:
> > > >         Subgroup nonblocking-crc-pipe-a-frame-sequence:
> > > >                 pass       -> DMESG-WARN (fi-ilk-650)
> > > >         Subgroup nonblocking-crc-pipe-b-frame-sequence:
> > > >                 pass       -> DMESG-WARN (fi-ilk-650)
> > > >         Subgroup read-crc-pipe-b:
> > > >                 pass       -> DMESG-WARN (fi-ilk-650)
> > > >         Subgroup suspend-read-crc-pipe-a:
> > > >                 pass       -> DMESG-WARN (fi-ilk-650)
> > > >         Subgroup suspend-read-crc-pipe-b:
> > > >                 pass       -> DMESG-WARN (fi-ilk-650)
> > > 
> > > All the above are:
> > > *ERROR* CPU pipe B FIFO underrun
> > > *ERROR* PCH transcoder B FIFO underrun
> > 
> > Hmm. All of those should have been fixed long ago. Did we have a
> > regression?
> 
> Not sure. It follows a
> "Clock recovery check failed, cannot continue channel equalization",
> which AFAICS appeared recently, first in CI_DRM_1655. The error message
> itself isn't too old either though, it was added in CI_DRM_1626
> ("drm/i915: Make DP link training channel equalization DP 1.2 Spec
> compliant").

Ah. More importantly it follows
[  439.107783] [drm:intel_dp_check_link_status] DP C: channel EQ not ok, retraining'
which does generate underruns in my experience. I suppose we should just suppress them.

> 
> > Except I'm not seeing any of these in the CI history.
> > Weird.
> >
> > > 
> > > Unrelated platform:
> > > https://bugs.freedesktop.org/show_bug.cgi?id=93310
> > > 
> > > 
> > > >         Subgroup suspend-read-crc-pipe-c:
> > > >                 pass       -> INCOMPLETE (fi-skl-6260u)
> > > 
> > > Unrelated platform:
> > > https://bugs.freedesktop.org/show_bug.cgi?id=91703
> > > 
> > > 
> > > > 
> > > > fi-bdw-
> > > > 5557u     total:244  pass:229  dwarn:0   dfail:0   fail:0   skip:
> > > > 15 
> > > > fi-bsw-
> > > > n3050     total:244  pass:202  dwarn:0   dfail:0   fail:0   skip:
> > > > 42 
> > > > fi-byt-
> > > > n2820     total:244  pass:208  dwarn:0   dfail:0   fail:1   skip:
> > > > 35 
> > > > fi-hsw-
> > > > 4770      total:244  pass:222  dwarn:0   dfail:0   fail:0   skip:
> > > > 22 
> > > > fi-hsw-
> > > > 4770r     total:244  pass:222  dwarn:0   dfail:0   fail:0   skip:
> > > > 22 
> > > > fi-ilk-
> > > > 650       total:244  pass:177  dwarn:5   dfail:0   fail:2   skip:
> > > > 60 
> > > > fi-ivb-
> > > > 3520m     total:244  pass:219  dwarn:0   dfail:0   fail:0   skip:
> > > > 25 
> > > > fi-ivb-
> > > > 3770      total:244  pass:207  dwarn:0   dfail:0   fail:0   skip:
> > > > 37 
> > > > fi-skl-
> > > > 6260u     total:208  pass:195  dwarn:0   dfail:0   fail:0   skip:
> > > > 12 
> > > > fi-skl-
> > > > 6700hq    total:244  pass:221  dwarn:1   dfail:0   fail:0   skip:
> > > > 22 
> > > > fi-skl-
> > > > 6700k     total:244  pass:219  dwarn:1   dfail:0   fail:0   skip:
> > > > 24 
> > > > fi-skl-
> > > > 6770hq    total:244  pass:228  dwarn:1   dfail:0   fail:1   skip:
> > > > 14 
> > > > fi-snb-
> > > > 2520m     total:244  pass:208  dwarn:0   dfail:0   fail:0   skip:
> > > > 36 
> > > > fi-snb-
> > > > 2600      total:244  pass:207  dwarn:0   dfail:0   fail:0   skip:
> > > > 37 
> > > > 
> > > > Results at /archive/results/CI_IGT_test/Patchwork_2577/
> > > > 
> > > > aab15c274da587bcab19376d2caa9d6626440335 drm-intel-nightly:
> > > > 2016y-
> > > > 09m-26d-12h-11m-33s UTC integration manifest
> > > > 5b1abe9 drm/i915/bxt: Fix HDMI DPLL configuration
> > > > 
> > > _______________________________________________
> > > Intel-gfx mailing list
> > > Intel-gfx at lists.freedesktop.org
> > > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> > 

-- 
Ville Syrjälä
Intel OTC