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Commit 4422b03d authored by Narender Ankam's avatar Narender Ankam Committed by Gerrit - the friendly Code Review server
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msm: mdss: hdmi: fix 4 block EDID read failure 



Only Block0 and Block1 of EDID are being read successfully.
Fix EDID segment read failure for Block2 and Block3.

Change-Id: I2d501878c6089b275e77587f3f41416aec2ef389
Signed-off-by: default avatarNarender Ankam <nankam@codeaurora.org>
parent ba309f5e

drivers/video/fbdev/msm/mdss_hdmi_util.c

+6 −4
Original line number Diff line number Diff line 
/* Copyright (c) 2010-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2010-2017, 2019, 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
@@ -790,10 +790,12 @@ static void hdmi_ddc_trigger(struct hdmi_tx_ddc_ctrl *ddc_ctrl, 
	if (mode == TRIGGER_READ && seg) {

		DSS_REG_W_ND(io, HDMI_DDC_DATA, BIT(31) | (seg_addr << 8));

		DSS_REG_W_ND(io, HDMI_DDC_DATA, seg_num << 8);

	}



		DSS_REG_W_ND(io, HDMI_DDC_DATA, (ddc_data->dev_addr << 8));

	} else {

		/* handle portion #1 */

	DSS_REG_W_ND(io, HDMI_DDC_DATA, BIT(31) | (ddc_data->dev_addr << 8));

		DSS_REG_W_ND(io, HDMI_DDC_DATA,

				BIT(31) | (ddc_data->dev_addr << 8));

	}



	/* handle portion #2 */

	DSS_REG_W_ND(io, HDMI_DDC_DATA, ddc_data->offset << 8);