[Intel-gfx] [PATCH] drm/i915: Enable SDVO hotplug interrupts for HDMI and DVI

[Simon Farnsworth]

On Tuesday 20 September 2011, Simon Farnsworth <simon.farnsworth at onelan.co.uk> 
wrote:
> I was seeing a nasty 5 frame glitch every 10 seconds, caused by the
> poll for connection on DVI attached by SDVO.
> 
> As my SDVO DVI supports hotplug detect interrupts, the fix is to
> enable them, and hook them in to the various bits of driver
> infrastructure so that they work reliably.
> 
> With lots of help from Adam Jackson <ajax at redhat.com> on IRC.
> 
> Signed-off-by: Simon Farnsworth <simon.farnsworth at onelan.co.uk>
> ---
> Changes from v3:
> 
>  * As per Chris Wilson's comment, move the hotplug enable from
>    intel_sdvo_init to intel_sdvo_dvi_init. Should correctly enable HPD
>    if only one of a multifunction SDVO pair supports HPD.
> 

Note that I forgot to update the subject line - this is patch v4.
-- 
Simon Farnsworth
Software Engineer
ONELAN Limited
http://www.onelan.com/