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Commit 8a7898cc authored by Namit Solanki's avatar Namit Solanki Committed by Sachin Bhayare
Browse files

fbdev : do not fail vsync ioctl when display in low power state 



Do not fail MSMFB_OVERLAY_VSYNC_CTRL when display in
low power or ultra low power state. As it prevent HAL
from enabling vsync again during active state.

Change-Id: Ibd1939862cfb2fefa64db337ebc8c540e2b3d09e
Signed-off-by: default avatarNamit Solanki <nsolanki@codeaurora.org>
Signed-off-by: default avatarSachin Bhayare <sachin.bhayare@codeaurora.org>
parent 2cc3b415

drivers/video/fbdev/msm/mdss_mdp_overlay.c

+3 −4
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

 *

 * 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
@@ -3300,9 +3300,8 @@ int mdss_mdp_overlay_vsync_ctrl(struct msm_fb_data_type *mfd, int en) 
		goto end;

	}



	if (!ctl->panel_data->panel_info.cont_splash_enabled

		&& (!mdss_mdp_ctl_is_power_on(ctl) ||

		mdss_panel_is_power_on_ulp(ctl->power_state))) {

	if (!ctl->panel_data->panel_info.cont_splash_enabled &&

	    !mdss_mdp_ctl_is_power_on(ctl)) {

		pr_debug("fb%d vsync pending first update en=%d, ctl power state:%d\n",

				mfd->index, en, ctl->power_state);

		rc = -EPERM;