[Bug 90446] [BDW Bisected]igt/pm_rpm and kms_flip causes WARNING: CPU: 0 PID: 4951 at drivers/gpu/drm/i915/intel_display.c:1357 hsw_disable_ips+0x34/0x162

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90446

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW
            Summary|[BDW Regression]igt/pm_rpm  |[BDW Bisected]igt/pm_rpm
                   |and kms_flip causes         |and kms_flip causes
                   |WARNING: CPU: 0 PID: 4951   |WARNING: CPU: 0 PID: 4951
                   |at                          |at
                   |drivers/gpu/drm/i915/intel_ |drivers/gpu/drm/i915/intel_
                   |display.c:1357              |display.c:1357
                   |hsw_disable_ips+0x34/0x162  |hsw_disable_ips+0x34/0x162

--- Comment #3 from lu hua <huax.lu at intel.com> ---
ce22dba92de22e951dee2ff89937a39754d2dd91 is the first bad commit.
commit ce22dba92de22e951dee2ff89937a39754d2dd91
Author:     Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
AuthorDate: Tue Apr 21 17:12:56 2015 +0300
Commit:     Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Fri May 8 13:03:56 2015 +0200

    drm/i915: Move toggling planes out of crtc enable/disable.

    This makes disabling planes more explicit.

    Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
    [anderco: fixed warning due to using drm_crtc instead of intel_crtc]
    Signed-off-by: Ander Conselvan de Oliveira
<ander.conselvan.de.oliveira at inte
    Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

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