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Commit 91dbc16d authored by Krishna Manikandan's avatar Krishna Manikandan Committed by Gerrit - the friendly Code Review server
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msm: mdss: Trigger idle fallback when no update due to touch 



Trigger an idle fallback with a reasonable timeout value when
there is no update despite of a touch event and idle_time is 0.
This will reset the refresh rate to minimum fps.

CRs-Fixed: 2003247
Change-Id: I4a2964038f23984bf1ea39c63bf679d80ad12cba
Signed-off-by: default avatarKrishna Manikandan <mkrishn@codeaurora.org>
parent f01c0978

drivers/video/msm/mdss/mdss_mdp_intf_video.c

+14 −3
Original line number Original line Diff line number Diff line 
/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.

 *

 *

 * This program is free software; you can redistribute it and/or modify

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * it under the terms of the GNU General Public License version 2 and
@@ -2117,10 +2117,21 @@ static int mdss_mdp_video_early_wake_up(struct mdss_mdp_ctl *ctl) 
	 * lot of latency rendering the input events useless in preventing the

	 * lot of latency rendering the input events useless in preventing the

	 * idle time out.

	 * idle time out.

	 */

	 */

	if (ctl->mfd->idle_state == MDSS_FB_IDLE_TIMER_RUNNING) {

	if ((ctl->mfd->idle_state == MDSS_FB_IDLE_TIMER_RUNNING) ||

		if (ctl->mfd->idle_time)

				(ctl->mfd->idle_state == MDSS_FB_IDLE)) {

		/*

		 * Modify the idle time so that an idle fallback can be

		 * triggered for those cases, where we have no update

		 * despite of a touch event and idle time is 0.

		 */

		if (!ctl->mfd->idle_time) {

			ctl->mfd->idle_time = 70;

			schedule_delayed_work(&ctl->mfd->idle_notify_work,

							msecs_to_jiffies(200));

		} else {

			mod_delayed_work(system_wq, &ctl->mfd->idle_notify_work,

			mod_delayed_work(system_wq, &ctl->mfd->idle_notify_work,

					 msecs_to_jiffies(ctl->mfd->idle_time));

					 msecs_to_jiffies(ctl->mfd->idle_time));

		}

		pr_debug("Delayed idle time\n");

		pr_debug("Delayed idle time\n");

	} else {

	} else {

		pr_debug("Nothing to done for this state (%d)\n",

		pr_debug("Nothing to done for this state (%d)\n",