Commit c3dced49 authored Sep 09, 2013 by Carl Vanderlip Committed by Gerrit - the friendly Code Review server Sep 25, 2013

msm: mdss: Don't calculate AD with zero backlight



Don't calculate AD strength when backlight is zero to prevent updates that
would not be visible from impacting screen when first backlight request
arrives.

Change-Id: Iabf10317ef40ae7bd940d94297a62975947c5ee4
Signed-off-by: Carl Vanderlip <carlv@codeaurora.org>

parent ca711dd7

drivers/video/msm/mdss/mdss_mdp_pp.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -3370,6 +3370,11 @@ static void pp_ad_calc_worker(struct work_struct *work)
		bl_mfd = ad->bl_mfd;
		ctl = mfd_to_ctl(ad->mfd);

		if ((ad->cfg.mode == MDSS_AD_MODE_AUTO_STR) && (ad->last_bl == 0)) {
		mutex_unlock(&ad->lock);
		return;
		}

		if (PP_AD_STATE_RUN & ad->state) {
		/* Kick off calculation */
		ad->calc_itr--;