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Commit 20a606c1 authored by Yuan Zhao's avatar Yuan Zhao Committed by Gerrit - the friendly Code Review server
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msm: mdss: hdmi: clear deep color bits in the HDMI controller 



Clear the deep color bits in the HDMI controller in case
the mode does not need OR support deep color.

Change-Id: I77a5cd74bc90c249d8902437a7b87a07259a2c35
Signed-off-by: default avatarYuan Zhao <yzhao@codeaurora.org>
parent d33ed6b2

drivers/video/fbdev/msm/mdss_hdmi_panel.c

+14 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2010-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2010-2017, 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
@@ -632,6 +632,19 @@ static int hdmi_panel_setup_dc(struct hdmi_panel *panel) 
		vbi_pkt_reg = DSS_REG_R(panel->io, HDMI_VBI_PKT_CTRL);

		vbi_pkt_reg |= BIT(5) | BIT(4);

		DSS_REG_W(panel->io, HDMI_VBI_PKT_CTRL, vbi_pkt_reg);

	} else {

		hdmi_ctrl_reg = DSS_REG_R(panel->io, HDMI_CTRL);



		/* disable GC CD override */

		hdmi_ctrl_reg &= ~BIT(27);

		/* disable deep color for RGB888/YUV444/YUV420 30 bits */

		hdmi_ctrl_reg &= ~BIT(24);

		DSS_REG_W(panel->io, HDMI_CTRL, hdmi_ctrl_reg);



		/* disable the GC packet sending */

		vbi_pkt_reg = DSS_REG_R(panel->io, HDMI_VBI_PKT_CTRL);

		vbi_pkt_reg &= ~(BIT(5) | BIT(4));

		DSS_REG_W(panel->io, HDMI_VBI_PKT_CTRL, vbi_pkt_reg);

	}



	return rc;