drm/i915: Use mode_config.mutex in ironlake_panel_vdd_work

Use of the struct_mutex is not correct for locking in mode setting paths.

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2011-10-31 11:30:10 -07:00
commit 627f7675f0