[Intel-gfx] 3.17.0-rc1: WARNING: CPU: 1 PID: 1 at drivers/gpu/drm/i915/i915_irq.c:139 ironlake_enable_display_irq+0x7f/0x90()

[Jesse Barnes]

On Mon, 25 Aug 2014 20:29:27 +0200
Oliver Hartkopp <socketcan at hartkopp.net> wrote:

> Hi Jesse,
> 
> since the i915 stuff for 3.17 was merged I always get this
> warning on my core i7 with internal Intel HD graphics.
> 
> Intel(R) Core(TM) i7 CPU       M 640  @ 2.80GHz
> 
> As this warning is triggered by the code which was changed
> by you and obviously the latest drm-fixes did not solve the
> issue, it's now time to post it :-) 
> 
> My kernel is the latest pull from Linus' mainline tree.
> 
> Any idea?
> 
> My .config is attached.

I just dug out my ILK to see if I can reproduce this...  must be
related to the irq warning changes we moved around; maybe I missed an
init path on the ILK side.

Jesse