[PATCH 07/13] drm/fb-helper: Push locking into restore_fbdev_mode_atomic|legacy

Same game as with the panning function, use drm_modeset_lock_all for legacy paths, and a proper acquire ctx w/w mutex dance for atomic. Cc: John Stultz Cc: Thierry Reding Signed-off-by: Daniel Vetter ---

[PATCH 07/13] drm/fb-helper: Push locking into restore_fbdev_mode_atomic|legacy

Same game as with the panning function, use drm_modeset_lock_all for legacy paths, and a proper acquire ctx w/w mutex dance for atomic. Cc: John Stultz Cc: Thierry Reding Signed-off-by: Daniel Vetter ---