[Intel-gfx] ✗ Fi.CI.IGT: failure for drm/i915: avoid false fence signaling when enabling preemption

[Chris Wilson]

Quoting Patchwork (2018-03-12 12:40:11)
> == Series Details ==
> 
> Series: drm/i915: avoid false fence signaling when enabling preemption
> URL   : https://patchwork.freedesktop.org/series/39768/
> State : failure
> 
> == Summary ==
> 
> ---- Possible new issues:
> 
> Test kms_cursor_crc:
>         Subgroup cursor-64x64-suspend:
>                 fail       -> PASS       (shard-apl)
> Test kms_plane_multiple:
>         Subgroup legacy-pipe-a-tiling-x:
>                 pass       -> FAIL       (shard-apl)
> Test kms_vblank:
>         Subgroup pipe-a-wait-busy-hang:
>                 skip       -> PASS       (shard-snb)
> 
> ---- Known issues:
> 
> Test drv_hangman:
>         Subgroup error-state-capture-blt:
>                 pass       -> INCOMPLETE (shard-snb) fdo#104058
> Test drv_selftest:
>         Subgroup live_gtt:
>                 incomplete -> PASS       (shard-apl) fdo#103927
> Test gem_eio:
>         Subgroup in-flight-contexts:
>                 pass       -> INCOMPLETE (shard-apl) fdo#105341
> Test kms_chv_cursor_fail:
>         Subgroup pipe-a-64x64-top-edge:
>                 skip       -> PASS       (shard-snb) fdo#105185
> Test kms_flip:
>         Subgroup dpms-vs-vblank-race-interruptible:
>                 pass       -> FAIL       (shard-hsw) fdo#103060
> Test pm_lpsp:
>         Subgroup screens-disabled:
>                 pass       -> FAIL       (shard-hsw) fdo#104941
> Test pm_rpm:
>         Subgroup system-suspend:
>                 incomplete -> PASS       (shard-hsw) fdo#103375

There's a challenge then. Write a small enough test to demonstrate this
patch has issues. gem_exec_whisper would be my goto.
-Chris