[PATCH 3.16 159/217] drm/dp: move hw_mutex up the call stack

3.16.35-rc1 review patch. If anyone has any objections, please let me know. -- From: Rob Clark commit 7779c5e23c5132c22a219f1f5554ef81dd15ee91 upstream. 1) don't let other threads trying to bang on aux channel interrupt the defer timeout/logic 2) don't

[PATCH 3.16 159/217] drm/dp: move hw_mutex up the call stack

3.16.35-rc1 review patch. If anyone has any objections, please let me know. -- From: Rob Clark commit 7779c5e23c5132c22a219f1f5554ef81dd15ee91 upstream. 1) don't let other threads trying to bang on aux channel interrupt the defer timeout/logic 2) don't let other threads