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Commit 320e1da1 authored by Shuo Yan's avatar Shuo Yan
Browse files

msm: mdss: fix display time out when taking ESD test 



Currently, Command engine will be blocked when sending
display off command in ESD test. Root cause is
panel BTA will affect DSI status. Reset dsi driver
when command engine is blocked.

Change-Id: I729b079d2becfad60630fc941d36199f95618eab
Signed-off-by: default avatarShuo Yan <shuoy@codeaurora.org>
parent 2d37de8c

drivers/video/msm/mdss/dsi_host_v2.c

+5 −2
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2014, 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
@@ -524,8 +524,11 @@ void msm_dsi_controller_cfg(int enable) 
	if (readl_poll_timeout((ctrl_base + DSI_STATUS),

				status,

				((status & 0x02) == 0),

				DSI_POLL_SLEEP_US, DSI_POLL_TIMEOUT_US))

				DSI_POLL_SLEEP_US, DSI_POLL_TIMEOUT_US)) {

		pr_err("%s: DSI status=%x failed\n", __func__, status);

		pr_err("%s: Doing sw reset\n", __func__);

		msm_dsi_sw_reset();

	}



	/* Check for x_HS_FIFO_EMPTY */

	if (readl_poll_timeout((ctrl_base + DSI_FIFO_STATUS),