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Merge "disp: msm: dsi: Add support to enable LP11 insertion feature"

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qctecmdr 2021-06-16 01:11:10 -07:00 • committed by Gerrit - the friendly Code Review server
commit 20f10a6f65
3 changed files with 33 additions and 5 deletions
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16
msm/dsi/dsi_ctrl_hw_cmn.c
View file

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
*/
#include <linux/delay.h>
@ -615,15 +615,23 @@ void dsi_ctrl_hw_cmn_cmd_engine_setup(struct dsi_ctrl_hw *ctrl,
reg |= cmd_mode_format_map[common_cfg->dst_format];
DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_CTRL, reg);
reg = DSI_R32(ctrl, DSI_COMMAND_MODE_MDP_CTRL2);
reg |= BIT(16);
DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_CTRL2, reg);
if (!cfg->mdp_idle_ctrl_en) {
reg = DSI_R32(ctrl, DSI_COMMAND_MODE_MDP_CTRL2);
reg |= BIT(16);
DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_CTRL2, reg);
}
reg = cfg->wr_mem_start & 0xFF;
reg |= (cfg->wr_mem_continue & 0xFF) << 8;
reg |= (cfg->insert_dcs_command ? BIT(16) : 0);
DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_DCS_CMD_CTRL, reg);
if (cfg->mdp_idle_ctrl_en) {
reg = cfg->mdp_idle_ctrl_len & 0x3FF;
reg |= BIT(12);
DSI_W32(ctrl, DSI_COMMAND_MODE_MDP_IDLE_CTRL, reg);
}
DSI_CTRL_HW_DBG(ctrl, "Cmd engine setup done\n");
}

7
msm/dsi/dsi_defs.h
View file

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
*/
#ifndef _DSI_DEFS_H_
@ -542,12 +542,17 @@ struct dsi_video_engine_cfg {
* @wr_mem_continue: DCS command for write_memory_continue.
* @insert_dcs_command: Insert DCS command as first byte of payload
* of the pixel data.
* @mdp_idle_ctrl_en: Enable idle insertion between command mode mdp packets.
* @mdp_idle_ctrl_len: No. of dsi pclk cycles of idle time to insert between
* command mode mdp packets.
*/
struct dsi_cmd_engine_cfg {
u32 max_cmd_packets_interleave;
u32 wr_mem_start;
u32 wr_mem_continue;
bool insert_dcs_command;
bool mdp_idle_ctrl_en;
u32 mdp_idle_ctrl_len;
};
/**

15
msm/dsi/dsi_panel.c
View file

@ -1590,6 +1590,21 @@ static int dsi_panel_parse_cmd_host_config(struct dsi_cmd_engine_cfg *cfg,
goto error;
}
cfg->mdp_idle_ctrl_en =
utils->read_bool(utils->data, "qcom,mdss-dsi-mdp-idle-ctrl-en");
if (cfg->mdp_idle_ctrl_en) {
val = 0;
rc = utils->read_u32(utils->data, "qcom,mdss-dsi-mdp-idle-ctrl-len", &val);
if (rc) {
DSI_DEBUG("[%s] mdp idle ctrl len is not defined\n", name);
cfg->mdp_idle_ctrl_len = 0;
cfg->mdp_idle_ctrl_en = false;
rc = 0;
} else {
cfg->mdp_idle_ctrl_len = val;
}
}
error:
return rc;
}