[Intel-gfx] Add hook to obtain the irq signal on HDMI connectivity

[Kenneth Graunke]

On 11/24/2011 03:21 AM, Kavuri, Sateesh wrote:
> Hi,
> 
> I would like to add a hook to the i915 driver to get a signal whenever an external
> connection is made, say a HDMI cable connection. Where would the right place be?
> i915_irq.c?
> Once I get a signal, I would have to read the EDID data (which I am already done 
> with) and finally this connection needs to be signaled to the user space (for which
> the functionality already exists).
> 
> Can someone point me to the right place?
> 
> Thanks,
> Sateesh

I believe there is already infrastructure in place for this, so I doubt
you'll need to add new hooks to the driver.  But display is not my area
of expertise; hopefully someone else here can point you at them.