[Bug 80376] [SNB/BDW Regression]igt/kms_flip/vblank-vs-modeset-suspend causes "WARNING: CPU: 2 PID: 1051 at drivers/gpu/drm/i915/i915_irq.c:267 intel_gen6_powersave_work+0xa49/0xf1e [i915]()"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80376

--- Comment #3 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
Created attachment 101646
  --> https://bugs.freedesktop.org/attachment.cgi?id=101646&action=edit
[PATCH v3] drm/i915: Leave interrupts enabled while disabling crtcs

I think it must be caused by this:

commit e11aa362308f5de467ce355a2a2471321b15a35c
Author: Jesse Barnes <jbarnes at virtuousgeek.org>
Date:   Wed Jun 18 09:52:55 2014 -0700

    drm/i915: use runtime irq suspend/resume in freeze/thaw


This patch should fix it. I've been trying to sneak it in for a long time
already but so far it's not made it.

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