[Bug 70301] [IT6506 Display Receiver] DP hotplug fails (display and audio) with i915/kernel 3.11.1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70301

--- Comment #7 from Ken Lin <ken.lin at advantech.com.tw> ---
Created attachment 87580
  --> https://bugs.freedesktop.org/attachment.cgi?id=87580&action=edit
git bisect first bad commit info - intel_dp.c/v3.9.5-v3.10.10

Please check the 1st bad commit info I got

git bisect view --stat | tee -a
git_bisect_v3.9.5_v3.10.10_intel_dp_first_bad_commit.log


commit 2c55c336a71cb32ae837dc829d216dc86ed9d84f
Author: Jani Nikula <jani.nikula at intel.com>
Date:   Tue Apr 9 08:11:00 2013 +0300

    drm/i915: use lower aux clock divider on non-ULT HSW

    Workaround to avoid intermittent aux channel failures, per spec change.

    v2: Don't mess with cpu dp aux divider (Paulo Zanoni)

    Signed-off-by: Jani Nikula <jani.nikula at intel.com>
    Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
    [danvet: Kill spurious tab spotted by Paulo.]
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

 drivers/gpu/drm/i915/intel_dp.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

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