Bug #118741
【VC1】【0106】【实车】【EE环境】【副屏】副屏亮度调节功能无效
Status: | CLOSED | Start date: | 2023-06-12 | |
---|---|---|---|---|
Priority: | High | Due date: | ||
Assignee: | 物联网测试组_TSCD 王维 | % Done: | 100% | |
Category: | CD-FW | |||
Target version: | 依赖客户及其供应商问题List | |||
Need_Info: | -- | Found Version: | 106 | |
Resolution: | -- | Degrated: | -- | |
Severity: | Normal | Verified Version: | ||
Reproducibility: | Every time | Fixed Version: | ||
Test Type: | ST | Root cause: | 屏端控制器版本问题 |
Description
【环境信息】
EE环境
【前提条件】
整车上电
【操作步骤】
实车调节副屏亮度
【实际结果】
屏幕亮度没有变化,亮度条有改变
【期望结果】
副屏亮度与亮度条显示一致
【备注】
中控88版本时,副屏该功能正常;刷机到90版本后出现该现象;且出现后是必现现象
VIN: LJD8BB3F7P0000384
History
#1 Updated by CD FW-程天颖 about 2 years ago
- Status changed from New to ASSIGNED
- Assignee changed from CD FW-程天颖 to CD BSP-杜磊
■ Current conclusion
上层日志未发现异常
■ My analysis
在bug复现时间有多次调节亮度日志打印出来,上层日志并未发现异常
06-12 13:55:10.988 1548 1671 V DisplayPowerController0: Brightness [0.45454547] reason changing to: 'temporary', previous reason: 'manual'.
■ Next action
需要bsp同学进一步分析
#2 Updated by CD BSP-杜磊 about 2 years ago
- % Done changed from 0 to 20
log.txt中未现异常。
808:01-01 08:04:57.796 0 0 I [ 0.945892] [MAX975X: max96755g_probe] INFO begin
815:01-01 08:04:57.796 0 0 I [ 1.000936] [MAX975X: max96755x_touch_init] INFO VC1 GPIO Pass
816:01-01 08:04:57.796 0 0 I [ 1.001183] [MAX975X: max96755g_probe] INFO successfully
3147:06-12 13:45:48.819 0 0 I [ 7.395198] [drm: dsi_ctrl_hw_cmn_video_engine_en] [msm-dsi-info]: DSI_0: MAX975X: Video engine = 1
3148:06-12 13:45:48.819 0 0 I [ 7.395672] [MAX975X: max96755x_drm_notifier_callback] INFO receives BLANK: UNBLANK
使用V110版本测试,背光调节正常。
#3 Updated by CD BSP-杜磊 about 2 years ago
- Description updated (diff)
#4 Updated by CD BSP-杜磊 about 2 years ago
- File 4.txt
added
#5 Updated by CD BSP-杜磊 about 2 years ago
通过设置亮度条,并且回读背光寄存器相关的值,发现亮度值为1或者99时,屏幕背光依然没有变化。
17705: 06-14 14:06:14.478 0 0 I [ 3592.855098] [MAX975X: max96755g_dtc_info_show] INFO DTC_Display: Backlight Sta:1, Lvl:99, Grad:1, Lmt:0
17706: 06-14 14:06:14.478 0 0 I [ 3592.855106] [MAX975X: max96755g_dtc_info_show] INFO DTC_Display: Lcm screen_sta:2, video_sta:0x0
18407: 06-14 14:06:32.833 0 0 I [ 3611.211232] [MAX975X: max96755g_dtc_info_show] INFO DTC_Display: Backlight Sta:1, Lvl:1, Grad:1, Lmt:0
18408: 06-14 14:06:32.833 0 0 I [ 3611.211233] [MAX975X: max96755g_dtc_info_show] INFO DTC_Display: Lcm screen_sta:2, video_sta:0x0
尝试换过副屏控制器后,问题同样存在。
Next step:
此问题可能与屏的硬件相关,需要屏厂做分析
#6 Updated by CD BSP-杜磊 about 2 years ago
- Target version set to 依赖客户及其供应商问题List
#7 Updated by CD BSP-杜磊 about 2 years ago
- Status changed from ASSIGNED to RESOLVED
- Assignee changed from CD BSP-杜磊 to 物联网测试组_TSCD 王维
- % Done changed from 20 to 100
- Root cause set to 屏端控制器版本问题
和客户高平平沟通,此问题为屏端软件问题,客户内部有票跟踪,非副屏控制器问题,需要屏端厂商更新屏端软件。
因此关闭此问题。
#8 Updated by 物联网测试组_TSCD 王维 about 2 years ago
- Status changed from RESOLVED to VERIFIED
#9 Updated by 物联网测试组_TSCD 王维 about 2 years ago
- Status changed from VERIFIED to CLOSED