On Sat, 7 Apr 2012 00:40:28 +0200 (CEST)
Thomas Gleixner <tglx@linutronix.de> wrote:
> You know what? suspend calls free_irq() via i915_drm_freeze() ->
> drm_irq_uninstall() and the resume code calls request_irq() again.
> free_irq() removes the action and request_irq installs it fresh.

Yeah this is a known issue with the DRM code, I thought Dave had a
fix queued a long time ago though...  Dave?

-- 
Jesse Barnes, Intel Open Source Technology Center