[Bug 90994] [BDW regression] pm_rpm subtests fail and give WARNs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90994

--- Comment #1 from lu hua <huax.lu at intel.com> ---
I also see following case fail:
igt at pm_rpm@cursor-dpms
igt at pm_rpm@dpms-lpsp
igt at pm_rpm@dpms-mode-unset-lpsp
igt at pm_rpm@dpms-non-lpsp
igt at pm_rpm@drm-resources-equal
igt at pm_rpm@fences-dpms
igt at pm_rpm@gem-evict-pwrite
igt at pm_rpm@legacy-planes-dpms
igt at pm_rpm@universal-planes-dpms

Bisect shows: 7f072451f2d3d53e4f6939440e15ab36afed2051 is the first bad commit.
commit 7f072451f2d3d53e4f6939440e15ab36afed2051
Author:     Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
AuthorDate: Mon Jun 1 12:50:04 2015 +0200
Commit:     Jani Nikula <jani.nikula at intel.com>
CommitDate: Thu Jun 4 11:44:37 2015 +0300

    drm/i915: Implement intel_crtc_control using atomic state, v4

    Assume the callers lock everything with drm_modeset_lock_all.

    This change had to be done after converting suspend/resume to
    use atomic_state so the atomic state is preserved, otherwise
    all transitional state is erased.

    Now all callers of .crtc_enable and .crtc_disable go through
    atomic modeset! :-D

    Changes since v1:
    - Only check for crtc_state->active in valleyview_modeset_global_pipes.
    - Only check for crtc_state->active in modeset_update_crtc_power_domains.
    Changes since v2:
    - Rework on top of the changed patch order.
    Changes since v3:
    - Rename intel_crtc_toggle in description to *_control
    - Change return value to int.
    - Do not add plane state, should be done implicitly already.

    Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
    Reviewed-by: Matt Roper <matthew.d.roper at intel.com>
    Signed-off-by: Jani Nikula <jani.nikula at intel.com>

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