Re: i915_driver_irq_handler: irq 42: nobody cared

From: Chris Wilson
Date: Fri Mar 30 2012 - 06:46:08 EST


On Fri, 30 Mar 2012 11:59:28 +0200, Jiri Slaby <jslaby@xxxxxxx> wrote:
> I don't know what to dump more, because iir is obviously zero too. What
> other sources of interrupts are on the (G33) chip?

IIR is the master interrupt, with chained secondary interrupt statuses.
If IIR is 0, the interrupt wasn't raised by the GPU.
-Chris

--
Chris Wilson, Intel Open Source Technology Centre
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