msm: mdss: Fix deadlock in AD code



AD calc_worker vsync thread acquires the AD lock inside the function,
so the call to cancel the AD calc_worker vsync thread cannot be within
the AD lock.

Change-Id: Ice78f43721916110f52c3393f78c3a1868976821
Signed-off-by: Ping Li <pingli@codeaurora.org>

parent f600d8b9

drivers/video/fbdev/msm/mdss_mdp_pp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -7401,8 +7401,8 @@ static int pp_mfd_ad_release_all(struct msm_fb_data_type *mfd)
		ad->mfd = NULL;
		ad->bl_mfd = NULL;
		ad->state = 0;
		cancel_work_sync(&ad->calc_work);
		mutex_unlock(&ad->lock);
		cancel_work_sync(&ad->calc_work);

		ctl = mfd_to_ctl(mfd);
		if (ctl && ctl->ops.remove_vsync_handler)