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 Wilson, Intel Open Source Technology Centre
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