[Bug 79612] [HSW Bisected]igt/kms_plane causes "WARNING: CPU: 3 PID: 4404 at drivers/gpu/drm/i915/intel_display.c:888 display_crc_ctl_write+0x563/0x75d [i915]()"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79612

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

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

--- Comment #4 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to comment #2)
> Created attachment 100439 [details] [review]
> Only vblank wait when necessary.
> 
> Please test this patch for all affected testcases, thanks.

With the patch on latest
-next-queued(9783dd21bc2143f410a6e86ed165d4c92a9298b7), this but unable to
reproduce.

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