[Intel-gfx] ✗ Fi.CI.BAT: warning for drm/i915: GMBUS don't need no forcewake

[Ville Syrjälä]

On Wed, Oct 12, 2016 at 01:49:20PM -0000, Patchwork wrote:
> == Series Details ==
> 
> Series: drm/i915: GMBUS don't need no forcewake
> URL   : https://patchwork.freedesktop.org/series/13641/
> State : warning
> 
> == Summary ==
> 
> Series 13641v1 drm/i915: GMBUS don't need no forcewake
> https://patchwork.freedesktop.org/api/1.0/series/13641/revisions/1/mbox/
> 
> Test drv_module_reload_basic:
>                 pass       -> DMESG-WARN (fi-ilk-650)

[   44.582062] [drm:intel_enable_pipe [i915]] enabling pipe B
[   44.582480] [drm:ironlake_fdi_link_train [i915]] FDI_RX_IIR 0x100
[   44.582505] [drm:ironlake_fdi_link_train [i915]] FDI train 1 done.
[   44.582684] [drm:ironlake_fdi_link_train [i915]] FDI_RX_IIR 0x600
[   44.582708] [drm:ironlake_fdi_link_train [i915]] FDI train 2 done.
[   44.582732] [drm:ironlake_fdi_link_train [i915]] FDI train done
[   44.582758] [drm:intel_enable_shared_dpll [i915]] enable PCH DPLL B (active 2, on? 0) for crtc 30
[   44.582781] [drm:intel_enable_shared_dpll [i915]] enabling PCH DPLL B
[   44.584207] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS1
[   44.585526] [drm:intel_dp_set_signal_levels [i915]] Using signal levels 00000000
[   44.585551] [drm:intel_dp_set_signal_levels [i915]] Using vswing level 0
[   44.585574] [drm:intel_dp_set_signal_levels [i915]] Using pre-emphasis level 0
[   44.585599] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS1
[   44.586310] [drm:intel_dp_start_link_train [i915]] clock recovery OK
[   44.586344] [drm:intel_dp_program_link_training_pattern [i915]] Using DP training pattern TPS2
[   44.587380] [drm:intel_dp_start_link_train [i915]] Channel EQ done. DP Training successful
[   44.587587] [drm:intel_enable_dp [i915]] Enabling DP audio on pipe B
[   44.587614] [drm:intel_audio_codec_enable [i915]] ELD on [CONNECTOR:40:DP-1], [ENCODER:39:DP C]
[   44.587639] [drm:ilk_audio_codec_enable [i915]] Enable audio codec on port C, pipe B, 36 bytes ELD
[   44.604682] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun

so this is the non-link retraining case, which could be audio related
(or not).

https://bugs.freedesktop.org/show_bug.cgi?id=98251

Patch pushe to dinq, thanks for the review.

> Test kms_pipe_crc_basic:
>         Subgroup suspend-read-crc-pipe-a:
>                 dmesg-warn -> PASS       (fi-byt-j1900)
> Test vgem_basic:
>         Subgroup unload:
>                 skip       -> PASS       (fi-hsw-4770)
> 
> fi-bdw-5557u     total:248  pass:232  dwarn:0   dfail:0   fail:0   skip:16 
> fi-bsw-n3050     total:248  pass:205  dwarn:0   dfail:0   fail:0   skip:43 
> fi-bxt-t5700     total:248  pass:217  dwarn:0   dfail:0   fail:0   skip:31 
> fi-byt-j1900     total:248  pass:214  dwarn:1   dfail:0   fail:1   skip:32 
> fi-byt-n2820     total:248  pass:211  dwarn:0   dfail:0   fail:1   skip:36 
> fi-hsw-4770      total:248  pass:225  dwarn:0   dfail:0   fail:0   skip:23 
> fi-hsw-4770r     total:248  pass:225  dwarn:0   dfail:0   fail:0   skip:23 
> fi-ilk-650       total:248  pass:184  dwarn:1   dfail:0   fail:2   skip:61 
> fi-ivb-3520m     total:248  pass:222  dwarn:0   dfail:0   fail:0   skip:26 
> fi-ivb-3770      total:248  pass:222  dwarn:0   dfail:0   fail:0   skip:26 
> fi-kbl-7200u     total:248  pass:223  dwarn:0   dfail:0   fail:0   skip:25 
> fi-skl-6260u     total:248  pass:233  dwarn:0   dfail:0   fail:0   skip:15 
> fi-skl-6700hq    total:248  pass:225  dwarn:0   dfail:0   fail:0   skip:23 
> fi-skl-6700k     total:248  pass:222  dwarn:1   dfail:0   fail:0   skip:25 
> fi-skl-6770hq    total:248  pass:231  dwarn:1   dfail:0   fail:1   skip:15 
> fi-snb-2520m     total:248  pass:211  dwarn:0   dfail:0   fail:0   skip:37 
> fi-snb-2600      total:248  pass:210  dwarn:0   dfail:0   fail:0   skip:38 
> 
> Results at /archive/results/CI_IGT_test/Patchwork_2685/
> 
> 46271d41e30090d7fc996e8f5abde6a59f51038b drm-intel-nightly: 2016y-10m-12d-11h-06m-41s UTC integration manifest
> 3d9fd0b drm/i915: GMBUS don't need no forcewake

-- 
Ville Syrjälä
Intel OTC