Commits
Ben Widawsky committed 2a114cc1b96
drm/i915/bdw: Use The GT mailbox for IPS enable/disable v2: Squash in fixup from Ben to synchronize the GT mailbox commands. CC: Art Runyan <arthur.j.runyan@intel.com> Reviewed-by: Art Runyan <arthur.j.runyan@intel.com> Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>