高通8x12平台 mipi屏调试

最新推荐文章于 2024-07-01 10:44:15 发布

jremmyliu2014

最新推荐文章于 2024-07-01 10:44:15 发布

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分类专栏： DISPLAY

本文链接：https://blog.youkuaiyun.com/u013786805/article/details/21630837

版权

本文介绍了在高通8x12平台上如何调试MIPI屏，涉及.dtsi文件修改、屏参数配置、内核dtsi文件更新以及IC CABC功能开启等步骤，包括在lk、kernel及dtsi文件中的关键改动。

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1. 一些描述

8x12平台和8x25平台的代码结构上还是有一些不同的，8x12平台的屏和TP都是通过 .dtsi文件管理的，QRD8X12_1935/bootable/bootloader/lk/dev/gcdb/display/include/

panel_hx8379a_wvga_video.h

/*---------------------------------------------------------------------------
 * This file is autogenerated file using gcdb parser. Please do not edit it.
 * Update input XML file to add a new entry or update variable in this file
 * VERSION = "1.0"
 *---------------------------------------------------------------------------*/

#ifndef _PANEL_HX8379A_WVGA_VIDEO_H_
#define _PANEL_HX8379A_WVGA_VIDEO_H_
/*---------------------------------------------------------------------------*/
/* HEADER files                                                              */
/*---------------------------------------------------------------------------*/
#include "panel.h"

/*---------------------------------------------------------------------------*/
/* Panel configuration                                                       */
/*---------------------------------------------------------------------------*/
static struct panel_config hx8379a_wvga_video_panel_data = {
	"qcom,mdss_dsi_hx8379a_wvga_video", "dsi:0:", "qcom,mdss-dsi-panel",
	10, 0, "DISPLAY_1", 0, 0, 60, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};

/*---------------------------------------------------------------------------*/
/* Panel resolution                                                          */
/*---------------------------------------------------------------------------*/
static struct panel_resolution hx8379a_wvga_video_panel_res = {
	480, 800, 100, 94, 40, 0, 6, 4, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0
};

/*---------------------------------------------------------------------------*/
/* Panel color information                                                   */
/*---------------------------------------------------------------------------*/
static struct color_info hx8379a_wvga_video_color = {
	24, 0, 0xff, 0, 0, 0
};

/*---------------------------------------------------------------------------*/
/* Panel on/off command information                                          */
/*---------------------------------------------------------------------------*/
static char hx8379a_wvga_video_on_cmd0[] = {
	0x04, 0x00, 0x39, 0xC0,
	0xB9, 0xFF, 0x83, 0x79,
};

static char hx8379a_wvga_video_on_cmd1[] = {
	0x03, 0x00, 0x39, 0xC0,
	0xBA, 0x51, 0x93, 0xFF,
};

static char hx8379a_wvga_video_on_cmd2[] = {
	0x14, 0x00, 0x39, 0xC0,
	0xB1, 0x00, 0x50, 0x44,
	0xEA, 0x8D, 0x08, 0x11,
	0x11, 0x11, 0x27