[Bug 80691] HDMI audio stops working when drm_kms_helper edid overwrite in place

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80691

--- Comment #4 from Alex Deucher <agd5f at yahoo.com> ---
The driver caches a copy of the edid in the driver connector structure
(radeon_connector->edid) when it it reads the edid from the monitor via the
get_modes() or detect() connector callbacks.  When you provide a user supplied
edid, the driver's copy never gets updated since no additional driver callbacks
are called.  It should be handled properly on my 3.17-wip branch:
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.17-wip

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