[Bug 96288] [Bay Trail-I] HDMI got black screen after boot with 4.0+ kernels

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96288

--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 457c52d87e5dac9a4cf1a6a287e60ea7645067d4
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Jun 1 08:27:50 2016 +0100

    drm/i915: Only ignore eDP ports that are connected

    If the VBT says that a certain port should be eDP (and hence fused off
    from HDMI), but in reality it isn't, we need to try and acquire the HDMI
    connection instead. So only trust the VBT edp setting if we can connect
    to an eDP device on that port.

    Fixes: d2182a6608 (drm/i915: Don't register HDMI connectors for eDP ports
on VLV/CHV)
    References: https://bugs.freedesktop.org/show_bug.cgi?id=96288
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Tested-by: Phidias Chiang <phidias.chiang at canonical.com>
    Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
    Cc: Jani Nikula <jani.nikula at intel.com>
    Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
    Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
    Link:
http://patchwork.freedesktop.org/patch/msgid/1464766070-31623-1-git-send-email-chris@chris-wilson.co.uk

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