The recent commit [3ea87855: drm/helper: lock all around force mode restore] introduced drm_modeset_lock_all() in drm_helper_resume_force_mode() itself, while ast driver still takes this lock before calling it. Remove the caller side lock for avoid a fatal deadlock.
Signed-off-by: Takashi Iwai tiwai@suse.de --- drivers/gpu/drm/ast/ast_drv.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c index 5137f15dba19..27e56dda476d 100644 --- a/drivers/gpu/drm/ast/ast_drv.c +++ b/drivers/gpu/drm/ast/ast_drv.c @@ -94,9 +94,7 @@ static int ast_drm_thaw(struct drm_device *dev) ast_post_gpu(dev);
drm_mode_config_reset(dev); - drm_modeset_lock_all(dev); drm_helper_resume_force_mode(dev); - drm_modeset_unlock_all(dev);
console_lock(); ast_fbdev_set_suspend(dev, 0);