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Commit 9598c622 authored by Krishna Chaitanya Parimi's avatar Krishna Chaitanya Parimi Committed by Gerrit - the friendly Code Review server
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msm: mdss: Make notify update waits interruptible 



Wait for completion in notify update call are uninterruptible
causing excessive delay during suspend cases. Making them
interruptible.

Change-Id: I1a4ff6ce3e0add21d4e46a41372b076b277d10f5
Signed-off-by: default avatarKrishna Chaitanya Parimi <cparimi@codeaurora.org>
parent 01f3b4c6

drivers/video/msm/mdss/mdss_fb.c

+3 −3
Original line number Diff line number Diff line
@@ -128,7 +128,7 @@ static int mdss_fb_notify_update(struct msm_fb_data_type *mfd, 
		ret = 1;

	} else if (notify == NOTIFY_UPDATE_START) {

		INIT_COMPLETION(mfd->update.comp);

		ret = wait_for_completion_timeout(

		ret = wait_for_completion_interruptible_timeout(

						&mfd->update.comp, 4 * HZ);

		to_user = (unsigned int)mfd->update.value;

		if (mfd->update.type == NOTIFY_TYPE_SUSPEND) {
@@ -137,13 +137,13 @@ static int mdss_fb_notify_update(struct msm_fb_data_type *mfd, 
		}

	} else if (notify == NOTIFY_UPDATE_STOP) {

		INIT_COMPLETION(mfd->no_update.comp);

		ret = wait_for_completion_timeout(

		ret = wait_for_completion_interruptible_timeout(

						&mfd->no_update.comp, 4 * HZ);

		to_user = (unsigned int)mfd->no_update.value;

	} else {

		if (mfd->panel_power_on) {

			INIT_COMPLETION(mfd->power_off_comp);

			ret = wait_for_completion_timeout(

			ret = wait_for_completion_interruptible_timeout(

						&mfd->power_off_comp, 1 * HZ);

		}

	}