[Intel-gfx] ✗ Fi.CI.BAT: failure for drm/i915: Try to shut up more ILK underruns

[Ville Syrjälä]

On Wed, Mar 23, 2016 at 04:33:18PM -0000, Patchwork wrote:
> == Series Details ==
> 
> Series: drm/i915: Try to shut up more ILK underruns
> URL   : https://patchwork.freedesktop.org/series/4811/
> State : failure
> 
> == Summary ==
> 
> Series 4811v1 drm/i915: Try to shut up more ILK underruns
> http://patchwork.freedesktop.org/api/1.0/series/4811/revisions/1/mbox/
> 
> Test kms_flip:
>         Subgroup basic-flip-vs-modeset:
>                 pass       -> DMESG-WARN (ilk-hp8440p) UNSTABLE

[  326.096731] [drm:intel_enable_pipe] enabling pipe B
[  326.097054] [drm:ironlake_fdi_link_train] FDI_RX_IIR 0x100
[  326.097058] [drm:ironlake_fdi_link_train] FDI train 1 done.
[  326.097246] [drm:ironlake_fdi_link_train] FDI_RX_IIR 0x200
[  326.097250] [drm:ironlake_fdi_link_train] FDI train 2 done.
[  326.097252] [drm:ironlake_fdi_link_train] FDI train done
[  326.097256] [drm:intel_enable_shared_dpll] enable PCH DPLL B (active
2, on? 0) for crtc 30
[  326.097259] [drm:intel_enable_shared_dpll] enabling PCH DPLL B
[  326.099523] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

OK so ere the first pipe got an underrun when we enabled the second
pipe. That's where the LP1+ disable thing might help. And it looks like
most of the underrun noise we have is actually of this form.

> Test kms_force_connector_basic:
>         Subgroup force-connector-state:
>                 pass       -> SKIP       (ilk-hp8440p)
> Test pm_rpm:
>         Subgroup basic-pci-d3-state:
>                 dmesg-warn -> PASS       (byt-nuc)
>         Subgroup basic-rte:
>                 pass       -> DMESG-WARN (byt-nuc) UNSTABLE
> 
> bdw-nuci7        total:192  pass:180  dwarn:0   dfail:0   fail:0   skip:12 
> bdw-ultra        total:192  pass:171  dwarn:0   dfail:0   fail:0   skip:21 
> bsw-nuc-2        total:192  pass:154  dwarn:1   dfail:0   fail:0   skip:37 
> byt-nuc          total:192  pass:156  dwarn:1   dfail:0   fail:0   skip:35 
> hsw-brixbox      total:192  pass:170  dwarn:0   dfail:0   fail:0   skip:22 
> hsw-gt2          total:192  pass:175  dwarn:0   dfail:0   fail:0   skip:17 
> ilk-hp8440p      total:192  pass:127  dwarn:1   dfail:0   fail:0   skip:64 
> ivb-t430s        total:192  pass:167  dwarn:0   dfail:0   fail:0   skip:25 
> skl-i7k-2        total:192  pass:169  dwarn:0   dfail:0   fail:0   skip:23 
> skl-nuci5        total:192  pass:181  dwarn:0   dfail:0   fail:0   skip:11 
> snb-x220t        total:192  pass:158  dwarn:0   dfail:0   fail:1   skip:33 
> 
> Results at /archive/results/CI_IGT_test/Patchwork_1693/
> 
> 6f788978796a35996bea8795db70f9c4194b70a2 drm-intel-nightly: 2016y-03m-23d-12h-24m-24s UTC integration manifest
> 6fea11c3ef42bc12ff37d785524d9a6a46d90d57 drm/i915: Try to shut up more ILK underruns

-- 
Ville Syrjälä
Intel OTC