[Bug 80464] [SNB Regression]igt/pm_rpm subcases causes " WARNING: CPU: 2 PID: 3795 at drivers/gpu/drm/i915/intel_display.c:10543 check_crtc_state+0x198/0x888 [i915]()" sporadically

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80464

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED

--- Comment #2 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to comment #1)
> Please apply https://bugs.freedesktop.org/attachment.cgi?id=102162 and test
> it again.

The Calltrace unable to reproduce with this patch. but the test was skipped.

Output:
[root at x-sgb3 tests]# ./pm_rpm --run-subtest modeset-non-lpsp-stress-no-wait
IGT-Version: 1.7-g67e29a3 (x86_64) (Linux: 3.15.0-rc8_kcloud_152811_20140703+
x86_64)
Runtime PM support: 1
PC8 residency support: 0
Test requirement not met in function modeset_subtest, file pm_rpm.c:764:
Last errno: 2, No such file or directory
Test requirement: (!(enable_one_screen_with_type(&ms_data, type)))
Subtest modeset-non-lpsp-stress-no-wait: SKIP
[root at x-sgb3 tests]# dmesg|grep Call

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