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