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Commit f2fc1fe4 authored Jul 23, 2014 by Xiaoming Zhou

msm: mdss: disable dsi status check when display is off



There was some racing condition where the dsi status check
thread is called when the display is off.   This makes sure
the dsi status check is not invoked when display is off.

Change-Id: I6865abe23ca7adf918a19499d3839d6664fc29fc
Signed-off-by: Xiaoming Zhou <zhoux@codeaurora.org>

parent 648cfa62

drivers/video/msm/mdss/dsi_status_6g.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -77,7 +77,7 @@ void mdss_check_dsi_ctrl_status(struct work_struct *work, uint32_t interval)
		mutex_lock(ctl->shared_lock);
		mutex_lock(&mdp5_data->ov_lock);

		if (pstatus_data->mfd->shutdown_pending) {
		if (mdss_panel_is_power_off(pstatus_data->mfd->panel_power_state)) {
		mutex_unlock(&mdp5_data->ov_lock);
		if (ctl->shared_lock)
		mutex_unlock(ctl->shared_lock);

drivers/video/msm/mdss/mdss_dsi_status.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,11 @@ static void check_dsi_ctrl_status(struct work_struct *work)
		return;
		}

		if (mdss_panel_is_power_off(pdsi_status->mfd->panel_power_state)) {
		pr_err("%s: panel off\n", __func__);
		return;
		}

		pdsi_status->mfd->mdp.check_dsi_status(work, interval);
		}