[Intel-gfx] [PATCH] Poll for HDMI disconnects.

[Daniel Vetter]

On Fri, Oct 12, 2012 at 10:29:38AM -0700, Stuart Abercrombie wrote:
> > Nope, the real fix is to simply check the status of the hpd line before
> > trying the edid read. We already have that for g4x class chips, check
> > g4x_hdmi_connected. We'd need to add similar checks for all other
> > platforms.
> > -Daniel
> 
> That would be preferable.  Unfortunately we did not find a way to
> check the HPD line status.  See
> https://bugs.freedesktop.org/show_bug.cgi?id=55372.
> 
> Where is this status available to be read?

In the hotplug register, like on g4x. But that moved to to PCH_IIR on pch
platforms. I plan to rework the entire hotplug handling for 3.8, hence why
I haven't bothered to wire this up yet.

Yours, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch