Bug 103516

Summary: [CI] igt@kms_frontbuffer_tracking@*fbc* - spurious skips - !fbc_not_enough_stolen()
Product: DRI Reporter: Marta Löfstedt <marta.lofstedt>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED FIXED QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: medium CC: intel-gfx-bugs
Version: DRI git   
Hardware: Other   
OS: All   
Whiteboard: ReadyForDev
i915 platform: SNB i915 features: display/FBC

Description Marta Löfstedt 2017-10-30 13:18:47 UTC 
This issue has been going on for a long time on SNB_shards:	

IGT-Version: 1.20-g9ba736ae (x86_64) (Linux: 4.14.0-rc5-CI-CI_DRM_3270+ x86_64)
Primary screen: VGA 1024x768, crtc 0
FBC last action not supported
Can't test PSR: no usable eDP screen.
Sink CRC not supported: primary screen is not eDP
Test requirement not met in function do_status_assertions, file kms_frontbuffer_tracking.c:1708:
Test requirement: !fbc_not_enough_stolen()
Subtest fbc-1p-primscrn-shrfb-msflip-blt: SKIP (0.639s)

This need to be fixed before we can release SNB to pre-merge.

Some examples:
skipped:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3270/shard-snb3/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-shrfb-msflip-blt.html
passed:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3278/shard-snb4/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-shrfb-msflip-blt.html
Comment 1 Marta Löfstedt 2017-10-30 13:53:06 UTC 
It looks like this is a regression that started on CI_DRM_3265.
Comment 2 Marta Löfstedt 2017-10-30 13:56:58 UTC 
I.e. there is a long sequence where all these test was skipped before CI_DRM_3265.
Comment 3 Jani Saarinen 2017-11-16 09:24:39 UTC 
Reference to Ville's patches https://patchwork.freedesktop.org/series/33060/
That re now merged.
Comment 5 Marta Löfstedt 2017-11-16 09:46:52 UTC 
Patch-set integrated to CI_DRM_3351.
The issue appear to be gone!

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