[Bug 101623] [IGT] kms_frontbuffer_tracking at fbc-*draw* has inconsistent results - FBC disabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101623

--- Comment #53 from Octavio <octaviox.hernandez.lopez at intel.com> ---
The below test have failed on CFL QA

igt at kms_frontbuffer_tracking@fbc-2p-primscrn-shrfb-msflip-blt
igt at kms_frontbuffer_tracking@fbc-2p-primscrn-shrfb-pgflip-blt
igt at kms_frontbuffer_tracking@fbc-2p-primscrn-shrfb-plflip-blt
igt at kms_frontbuffer_tracking@fbc-2p-scndscrn-shrfb-msflip-blt
igt at kms_frontbuffer_tracking@fbc-2p-scndscrn-shrfb-pgflip-blt
igt at kms_frontbuffer_tracking@fbc-2p-scndscrn-shrfb-plflip-blt

IGT-Version: 1.21-g960e55a (x86_64) (Linux:
4.16.0-rc1-drm-intel-qa-ww8-commit-6697b76+ x86_64)
Primary screen: eDP 2560x1440, crtc 0
Secondary screen: DP 3840x2160, crtc 1
FBC last action not supported
Can't test DRRS: Not supported.
Sink CRC not supported: panel doesn't support it
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [__do_assertions+0x6a4]
  #2 [prepare_subtest_screens+0x9]
  #3 [main+0x27b7]
  #4 [__libc_start_main+0xf1]
  #5 [_start+0x29]
  #6 [<unknown>+0x29]
Subtest fbc-2p-primscrn-shrfb-msflip-blt: FAIL (6.019s)

(kms_frontbuffer_tracking:1848) WARNING: fbc_is_enabled()?
FBC disabled: mode too large for compression
(kms_frontbuffer_tracking:1848) CRITICAL: Test assertion failure function
do_status_assertions, file kms_frontbuffer_tracking.c:1841:
(kms_frontbuffer_tracking:1848) CRITICAL: Failed assertion:
fbc_is_enabled(IGT_LOG_WARN)
(kms_frontbuffer_tracking:1848) CRITICAL: FBC disabled
Subtest fbc-2p-primscrn-shrfb-msflip-blt failed.

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