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drm/msm/hdmi: use gpio and HPD polling
authorRob Clark <robdclark@gmail.com>
Mon, 19 May 2014 17:53:20 +0000 (13:53 -0400)
committerRob Clark <robdclark@gmail.com>
Fri, 30 May 2014 19:32:42 +0000 (15:32 -0400)
The hotplug detect and irq does not seem to be reliable on all devices
for some reason.  For now it is more reliable to use polling, and give
preference to raw gpio status if it disagrees with the debounced hpd
status.

Signed-off-by: Rob Clark <robdclark@gmail.com>

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