Bug #116757

【BSP】【VC1】【EVT1】【ST】【Display】【1/3】亮屏时有异常的竖向拉伸动画

Added by 移动测试一组_CDTS 刘强 over 2 years ago. Updated about 2 years ago.

Status:CLOSEDStart date:2023-04-13
Priority:NormalDue date:
Assignee:移动测试一组_CDTS 刘强% Done:

100%

Category:BSP
Target version:VC1_FSE_0094_20230425
Need_Info:TEST Found Version:01.00.0079.X101
Resolution:FIXED Degrated:--
Severity:Normal Verified Version:
Reproducibility:Occasionally Fixed Version:
Test Type:ST Root cause:调节背光时序

Description

【前提条件】
设备开机

【测试步骤】
1.按电源键灭屏
2.按电源键亮屏
3.重复上述步骤

【预期结果】
3.没有竖向拉伸的动画

【实际结果】
3.存在竖向拉伸动画

【Notes】
复现视频:Display.MOV
复现日志:display.txt

display.txt Magnifier (2.46 MB) 移动测试一组_CDTS 刘强, 2023-03-06 18:49

Display.MOV (15.5 MB) 移动测试一组_CDTS 刘强, 2023-03-06 18:50

Display_VC.mp4 (1.42 MB) 移动测试一组_CDTS 刘强, 2023-03-07 14:04

display_VC.txt Magnifier (2.98 MB) 移动测试一组_CDTS 刘强, 2023-03-07 14:04


Subtasks

Bug #117432: 【IOVDEV-19747】【VC1】【副屏】副屏在熄屏亮屏时,屏幕中有异常光柱闪过CLOSED移动测试一组_CDTS 刘强

History

#2 Updated by 移动测试一组_CDTS 刘强 over 2 years ago

  • Subject changed from 【BSP】【EVT2】【ST】【Display】【1/3】亮屏时有异常的竖向拉伸动画 to 【BSP】【EVT1】【ST】【Display】【1/3】亮屏时有异常的竖向拉伸动画

#3 Updated by CD FW 曹覃刚 over 2 years ago

  • Status changed from New to NEED_INFO
  • Assignee changed from CD FW 曹覃刚 to 移动测试一组_CDTS 刘强
  • Need_Info changed from -- to TEST

Hi 强哥
请帮忙获取下列信息, 非常感谢
1.请帮助尝试在不同的屏幕上复现这个问题,确认是否与硬件有关
2.请使用录屏命令获取视频,当前视频不清晰。

#4 Updated by 移动测试一组_CDTS 刘强 over 2 years ago

Hi 覃刚
经多台设备测试发现:
此问题仅在VC屏上复现。三台复现
VX屏上不复现。两台不复现

VC复现的视频如下
Display_VC.mp4
复现日志:
display_VC.txt

从视频上来看,录制的画面中看不出来画面异常,但是肉眼观察屏幕时非常明显。

#5 Updated by CD FW 曹覃刚 over 2 years ago

  • Category changed from CD-FW to BSP
  • Status changed from NEED_INFO to ASSIGNED
  • Assignee changed from CD FW 曹覃刚 to CD BSP-杜磊

Hi 磊哥
亮屏时,屏幕有拉伸的闪烁画面,并且具有以下特点
1.此问题仅在VC屏上复现,VX屏上不复现。
2.录制的视频画面没有此异常闪烁画面

从上述信息做初步判断,应该是屏幕硬件的问题,请帮忙分析,感谢

#6 Updated by System组-RD3_CDTS 蒋富雄 over 2 years ago

1.此问题仅在VC屏上复现,VX屏上不复现。
如果是这个,需要找屏幕硬件厂商确认一下,是不是屏幕有更改上的差异,联系lcd fae

#7 Updated by CD BSP-杜磊 over 2 years ago

  • Assignee changed from CD BSP-杜磊 to System组-RD3_CDTS 蒋富雄

#8 Updated by CD BSP-杜磊 over 2 years ago

  • Subject changed from 【BSP】【EVT1】【ST】【Display】【1/3】亮屏时有异常的竖向拉伸动画 to 【BSP】【VC1】【EVT1】【ST】【Display】【1/3】亮屏时有异常的竖向拉伸动画

#9 Updated by System组-RD3_CDTS 蒋富雄 over 2 years ago

实车上不会有power键,使用滑动TP亮屏测试

#10 Updated by System组-RD3_CDTS 蒋富雄 over 2 years ago

只有快速亮屏的时候才出现,通过查看现象发现
1.灭屏时屏灭了,背光等2s才灭,(方案:在suspend是先close背光,在改变背光的状态)
2.快速亮屏是花屏,(方案,在resume是不进行背光的打开,在通过设置背光亮度时先打开背光在设置亮度)
查看了亮屏背光,修改了一下进行debug
https://dev.thundercomm.com/gerrit/c/general/kernel/msm-4.19/+/187222/2/drivers/gpu/drm/bridge/maxim/max96755g_chip.c

#11 Updated by System组-RD3_CDTS 蒋富雄 over 2 years ago

  • Assignee changed from System组-RD3_CDTS 蒋富雄 to BSP组-RD3_TSCD 贾顺旺

#12 Updated by BSP组-RD3_TSCD 贾顺旺 over 2 years ago

通过grep 关键字DTC_Display可以发现,开机后一直在报“screen not ready”、“Backlight not off: 0“。

#13 Updated by CD BSP-杜磊 over 2 years ago

  • Assignee changed from BSP组-RD3_TSCD 贾顺旺 to System组-RD3_CDTS 蒋富雄

#15 Updated by System组-RD3_CDTS 蒋富雄 over 2 years ago

已经飞书群联系客户和fae,依赖fae复现并支持

#16 Updated by CDTS_TEST 王成 over 2 years ago

  • Target version set to 依赖客户及其供应商问题List

#17 Updated by CD BSP-杜磊 over 2 years ago

  • Status changed from ASSIGNED to NEED_INFO
  • Assignee changed from System组-RD3_CDTS 蒋富雄 to CD BSP-杜磊

#18 Updated by CD BSP-杜磊 about 2 years ago

  • Assignee changed from CD BSP-杜磊 to 移动测试一组_CDTS 刘强
  • % Done changed from 0 to 60

#19 Updated by 移动测试一组_CDTS 刘强 about 2 years ago

  • Assignee changed from 移动测试一组_CDTS 刘强 to CD BSP-杜磊

该vb版本,在VC新屏上未复现竖条和亮屏慢的问题
但是VX上反复亮灭屏,VC老屏亮灭屏+热插拔后出现一次异常关机

#20 Updated by CD BSP-杜磊 about 2 years ago

  • Assignee changed from CD BSP-杜磊 to 移动测试一组_CDTS 刘强
  • Root cause set to 调节背光时序

#21 Updated by 移动测试一组_CDTS 刘强 about 2 years ago

  • Assignee changed from 移动测试一组_CDTS 刘强 to CD BSP-杜磊

当前vb版本,使用VC/VX测试以下内容:
1. 压测熄屏-亮屏20次未复现
2. 热插拔20次未发生问题
3. FDR后再次亮灭测试10次
4. FDR后再次热插拔测试10次

VC屏未复现亮屏慢和条纹问题,但VX屏发生唤醒慢的问题

#22 Updated by CD BSP-杜磊 about 2 years ago

  • Status changed from NEED_INFO to RESOLVED
  • Assignee changed from CD BSP-杜磊 to 移动测试一组_CDTS 刘强
  • Target version changed from 依赖客户及其供应商问题List to VC1_FSE_0094_20230425
  • Resolution changed from -- to FIXED

#23 Updated by IoT scm about 2 years ago

Gerrit Merge Information
ID Project Branch Uploader
193173 general/kernel/msm-4.19 Pre_figure_turbox-c2130c-la1.1-vendor-dev
BSP:Display: Optimize backlight on sequence
Optimize backlight on sequence
TC-RID: 1201-0100501
IssueID: TS-R-DF-116757
Change-Id: I48912a4a05f4f55f0c1a6d797e6e9b98350c7c8e

#24 Updated by 移动测试一组_CDTS 刘强 about 2 years ago

  • Status changed from RESOLVED to VERIFIED

验证版本:FlatBuild_HH_MCE_FSE.M.D.userdebug.01.00.C103.202304150126
验证结果:验证通过
验证内容:VC和VX板子
1. 点击熄屏-点击亮屏 20次
2. 开机后热插拔 10次
3. 启动过程中热插拔 10次
4. FDR 后点击熄屏-唤醒 10次

残留风险:
1. 为了修复条纹问题,增加了亮屏的左右,点击唤醒时间加长了,需要重新测试性能中的亮灭屏项
2. VX屏在热插拔重新亮屏时间变长,与研发杜磊沟通后,对VX能够正常恢复即可;

#25 Updated by 移动测试一组_CDTS 刘强 about 2 years ago

  • Status changed from VERIFIED to CLOSED

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