[Bug 87347] [BSW Regression]igt/pm_rpm and kms_flip cases cause *ERROR* The master control interrupt lied (PM)!

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87347

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[BSW Regression]igt/pm_rpm  |[BSW Regression]igt/pm_rpm
                   |causes *ERROR* The master   |and kms_flip cases cause
                   |control interrupt lied      |*ERROR* The master control
                   |(PM)!                       |interrupt lied (PM)!

--- Comment #1 from lu hua <huax.lu at intel.com> ---
Many kms_flip sub case also have this issue.
oot at x-bsw01:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip
--run-subtest vblank-vs-modeset-rpm-interruptible
IGT-Version: 1.9-geb799b2 (x86_64) (Linux:
3.18.0-rc7_drm-intel-next-queued_140fd3_20141226+ x86_64)
Using monotonic timestamps
Beginning vblank-vs-modeset-rpm-interruptible on crtc 8, connector 29
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
....
vblank-vs-modeset-rpm-interruptible on crtc 8, connector 29: PASSED

Beginning vblank-vs-modeset-rpm-interruptible on crtc 13, connector 29
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
....
vblank-vs-modeset-rpm-interruptible on crtc 13, connector 29: PASSED

Subtest vblank-vs-modeset-rpm-interruptible: SUCCESS (19.434s)
root at x-bsw01:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r | egrep
"<[1-4]>" |grep drm
<3>[  116.239469] [drm:gen8_gt_irq_handler.isra.15 [i915]] *ERROR* The master
control interrupt lied (PM)!
<3>[  123.402859] [drm:gen8_gt_irq_handler.isra.15 [i915]] *ERROR* The master
control interrupt lied (PM)!
<3>[  129.142029] [drm:gen8_gt_irq_handler.isra.15 [i915]] *ERROR* The master
control interrupt lied (PM)!

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