Merge "disp: msm: dsi: Add support to enable LP11 insertion feature" (20f10a6f) · Commits · e / devices / android_kernel_fairphone_FP5

msm/dsi/dsi_ctrl_hw_cmn.c

+12 −4

Original line number	Diff line number	Diff line
		// 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);

		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");
		}

+6 −1

Original line number	Diff line number	Diff line
		/* 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 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}