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Commit 4ef53f96 authored by Xipeng Gu's avatar Xipeng Gu Committed by xiaolin
Browse files

fbdev: msm: add property of panel addr offset 



Since some panel addr does not start from zero, add
property for the offset.

Change-Id: I7f22138f969418e87a1d7ed8b116b4fdc45a84d6
Signed-off-by: default avatarXipeng Gu <guxipeng@codeaurora.org>
parent 3fca24c8

Documentation/devicetree/bindings/fb/mdss-dsi-panel.txt

+3 −0
Original line number Diff line number Diff line
@@ -384,6 +384,9 @@ the fps window. 
					--> Sleep value (in ms)

- qcom,partial-update-enabled:		Boolean used to enable partial

					panel update for command mode panels.

- qcom,partial-update-addr-offset:	An array of two values indicate the panel

					column, row address offset value.

					Two default values are 0.

- qcom,mdss-dsi-horizontal-line-idle:	List of width ranges (EC - SC) in pixels indicating

					additional idle time in dsi clock cycles that is needed

					to compensate for smaller line width.

drivers/video/fbdev/msm/mdss_dsi_panel.c

+16 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2019, 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
@@ -662,6 +662,12 @@ static int mdss_dsi_set_col_page_addr(struct mdss_panel_data *pdata, 
			return 0;

		}



		if (pinfo->partial_update_col_addr_offset)

			roi.x += pinfo->partial_update_col_addr_offset;



		if (pinfo->partial_update_row_addr_offset)

			roi.y += pinfo->partial_update_row_addr_offset;



		if (pinfo->dcs_cmd_by_left) {

			if (left_or_both && ctrl->ndx == DSI_CTRL_RIGHT) {

				/* 2A/2B sent by left already */
@@ -2099,6 +2105,7 @@ static void mdss_dsi_parse_esd_params(struct device_node *np, 
static int mdss_dsi_parse_panel_features(struct device_node *np,

	struct mdss_dsi_ctrl_pdata *ctrl)

{

	u32 value[2];

	struct mdss_panel_info *pinfo;



	if (!np || !ctrl) {
@@ -2116,6 +2123,14 @@ static int mdss_dsi_parse_panel_features(struct device_node *np, 
					pinfo->partial_update_enabled);

		ctrl->set_col_page_addr = mdss_dsi_set_col_page_addr;

		if (pinfo->partial_update_enabled) {

			int rc = of_property_read_u32_array(np,

				"qcom,partial-update-addr-offset",

				value, 2);

			pinfo->partial_update_col_addr_offset =

				(!rc ? value[0] : 0);

			pinfo->partial_update_row_addr_offset =

				(!rc ? value[1] : 0);



			pinfo->partial_update_roi_merge =

					of_property_read_bool(np,

					"qcom,partial-update-roi-merge");

drivers/video/fbdev/msm/mdss_panel.h

+3 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2008-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2008-2019, 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
@@ -690,6 +690,8 @@ struct mdss_panel_info { 
	bool esd_rdy;

	bool partial_update_supported; /* value from dts if pu is supported */

	bool partial_update_enabled; /* is pu currently allowed */

	u32 partial_update_col_addr_offset; /* panel column addr offset */

	u32 partial_update_row_addr_offset; /* panel row addr offset */

	u32 dcs_cmd_by_left;

	u32 partial_update_roi_merge;

	struct ion_handle *splash_ihdl;