[Bug 88876] [SKL][Audio][HD-A Display]: Can't refresh ELD information with cable hot-plug

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88876

--- Comment #3 from jinliangx.wang at intel.com ---
Bisect from drm-intel-nightly kernel tree.

first bad commit:
commit f03e4179cef145253eba87bbf037047e54e728dd
Author:     Jani Nikula <jani.nikula at intel.com>
AuthorDate: Fri Jan 16 14:27:16 2015 +0200
Commit:     Daniel Vetter <daniel.vetter at ffwll.ch>
CommitDate: Tue Jan 27 09:51:11 2015 +0100

    drm/i915/dsi: call dpi_send_cmd() for each dsi port at a higher level

    Instead of having the for each dsi port loop within dpi_send_cmd(), add
    a port parameter to the function and call it for each port instead.

    This is a rewrite of

    commit 4510cd779e5897eeb8691aecbd639bb62ec27d55
    Author: Gaurav K Singh <gaurav.k.singh at intel.com>
    Date:   Thu Dec 4 10:58:51 2014 +0530

        drm/i915: Dual link needs Shutdown and Turn on packet for both ports

    to add more flexibility in using dpi_send_cmd() for just one port as
    necessary. No functional changes.

    Signed-off-by: Jani Nikula <jani.nikula at intel.com>
    Reviewed-By: Shobhit Kumar <shobhit.kumar at intel.com>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

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