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Commit 2d06339a authored by Ping Li's avatar Ping Li
Browse files

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: default avatarPing Li <pingli@codeaurora.org>
parent 288b0504

drivers/video/msm/mdss/mdss_mdp_pp.c

+1 −1
Original line number Diff line number Diff line
@@ -7313,8 +7313,8 @@ 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)