[Bug 71906] [BDW] *ERROR* mismatch in ips_enabled (expected 1, found 0)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71906

--- Comment #6 from lu hua <huax.lu at intel.com> ---
Created attachment 90855
  --> https://bugs.freedesktop.org/attachment.cgi?id=90855&action=edit
kms_flip dmesg

This ERROR impact all kms_flip subcases.
Run kms_flip subcase, this error appears.

Run following steps:
dmesg -c
./kms_flip --run-subtest plain-flip-ts-check

output:
IGT-Version: 1.5-g1653106 (x86_64) (Linux:
3.13.0-rc3_drm-intel-nightly_22dd82_20131216+ x86_64)
Using monotonic timestamps
Beginning plain-flip-ts-check on crtc 3, connector 10
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
plain-flip-ts-check on crtc 3, connector 10: PASSED

Beginning plain-flip-ts-check on crtc 5, connector 10
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
plain-flip-ts-check on crtc 5, connector 10: PASSED

Beginning plain-flip-ts-check on crtc 7, connector 10
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
plain-flip-ts-check on crtc 7, connector 10: PASSED

Subtest plain-flip-ts-check: SUCCESS

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