tree 22586ea13c8da884843c307b6192de3a5ca059da
parent 032aa01c0b53e12b3ac46db8e7202a3230a83a89
author Wu Fengguang <fengguang.wu@intel.com> 1323434541 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1329159968 -0800

drm/i915: DisplayPort hot remove notification to audio driver

commit 832afda6a7d7235ef0e09f4ec46736861540da6d upstream.

On DP monitor hot remove, clear DP_AUDIO_OUTPUT_ENABLE accordingly,
so that the audio driver will receive hot plug events and take action
to refresh its device state and ELD contents.

Note that the DP_AUDIO_OUTPUT_ENABLE bit may be enabled or disabled
only when the link training is complete and set to "Normal".

Tested OK for both hot plug/remove and DPMS on/off.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>