[Intel-gfx] [PATCH] drm/i915: Fix the HDMI hot plug disconnection failure (v3)

[Chris Wilson]

Quoting Guang Bai (2018-11-28 21:18:13)
> On some GEN9 platforms, slowly unplugging (wiggling) the HDMI cable makes
> the kernel to believe the HDMI display is still connected. This is because
> the HDMI DDC lines are disconnected a little bit later after the hot-plug
> interrupt triggered thus an immediate edid fetch can be made. Use digital
> port live states to authorize the edid read.

You should at least comment upon why we don't historically do this and
why you now believe that it is safe.
-Chris