Re: i915_driver_irq_handler: irq 42: nobody cared

Chris Wilson
2012-03-30T10:46:13Z

On Fri, 30 Mar 2012 11:59:28 +0200, Jiri Slaby <jslaby@suse.cz> 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