[问题咨询]: openharmony4.0版本rk3399移植，但hdmi屏幕无法正常显示

开发板是firefly的aioc-rk3399c，源码是官方的beta4.0版本，依照自带的扬帆rk3399修改设备树后可以启动进入串口终端界面，同时hdmi也可以显示uboot和kernel的logo。但是没办法显示系统界面，基本信息如下，设备树还没完全改完，只是让内核能启动了，现在不知道是哪个环节出了问题

```
# cat card0-HDMI-A-1/
ddc/         dpms         enabled      power/       subsystem/
device/      edid         modes        status       uevent
# cat card0-HDMI-A-1/status
connected
# cat card0-HDMI-A-1/e
edid     enabled
# cat card0-HDMI-A-1/enabled
enabled
# cat card0-HDMI-A-1/modes
1920x1080
1920x1080
1920x1080
1920x1080
1920x1080
1920x1080
1920x1080
1920x1080
1920x1080
1920x1080
1920x1080i
1920x1080i
1920x1080
1920x1080i
1680x1050
1680x1050
1400x1050
1600x900
1280x1024
1280x1024
1280x1024
1440x900
1440x900
1280x960
1280x960
1360x768
1280x800
1152x864
1280x768
1280x720
1280x720
1280x720
1280x720
1024x768
1024x768
1024x768
1024x768
800x600
800x600
800x600
720x576
720x576
720x480
720x480
720x480
720x480
640x480
640x480
640x480
640x480
640x480
720x400
# ps -ef
UID            PID  PPID C STIME TTY          TIME CMD
root             1     0 0 16:54:13 ?     00:00:02 init --second-stage
root             2     0 0 16:54:13 ?     00:00:00 [kthreadd]
root             3     2 0 16:54:13 ?     00:00:00 [rcu_gp]
root             4     2 0 16:54:13 ?     00:00:00 [rcu_par_gp]
root             8     2 0 16:54:13 ?     00:00:00 [mm_percpu_wq]
root             9     2 0 16:54:13 ?     00:00:00 [rcu_tasks_rude_]
root            10     2 0 16:54:13 ?     00:00:00 [ksoftirqd/0]
root            11     2 0 16:54:13 ?     00:00:00 [rcu_sched]
root            12     2 0 16:54:13 ?     00:00:00 [migration/0]
root            13     2 0 16:54:13 ?     00:00:00 [cpuhp/0]
root            14     2 0 16:54:13 ?     00:00:00 [cpuhp/1]
root            15     2 0 16:54:13 ?     00:00:00 [migration/1]
root            16     2 0 16:54:13 ?     00:00:00 [ksoftirqd/1]
root            19     2 0 16:54:13 ?     00:00:00 [cpuhp/2]
root            20     2 0 16:54:13 ?     00:00:00 [migration/2]
root            21     2 0 16:54:13 ?     00:00:00 [ksoftirqd/2]
root            22     2 0 16:54:13 ?     00:00:00 [kworker/2:0-mm_percpu_wq]
root            24     2 0 16:54:13 ?     00:00:00 [cpuhp/3]
root            25     2 0 16:54:13 ?     00:00:00 [migration/3]
root            26     2 0 16:54:13 ?     00:00:00 [ksoftirqd/3]
root            29     2 0 16:54:13 ?     00:00:00 [cpuhp/4]
root            30     2 0 16:54:13 ?     00:00:00 [migration/4]
root            31     2 0 16:54:13 ?     00:00:00 [ksoftirqd/4]
root            34     2 0 16:54:13 ?     00:00:00 [cpuhp/5]
root            35     2 0 16:54:13 ?     00:00:00 [migration/5]
root            36     2 0 16:54:13 ?     00:00:00 [ksoftirqd/5]
root            39     2 0 16:54:13 ?     00:00:00 [kdevtmpfs]
root            40     2 0 16:54:13 ?     00:00:00 [netns]
root            42     2 0 16:54:13 ?     00:00:00 [kworker/0:1-events]
root            46     2 0 16:54:13 ?     00:00:00 [kworker/2:1-events]
root            47     2 0 16:54:13 ?     00:00:00 [kworker/3:1-events]
root            48     2 0 16:54:13 ?     00:00:00 [kauditd]
root            49     2 0 16:54:13 ?     00:00:00 [khungtaskd]
root            50     2 0 16:54:13 ?     00:00:00 [oom_reaper]
root            51     2 0 16:54:13 ?     00:00:00 [writeback]
root            63     2 0 16:54:13 ?     00:00:00 [cryptd]
root            89     2 0 16:54:13 ?     00:00:00 [kblockd]
root            92     2 0 16:54:13 ?     00:00:00 [kworker/4:4-events]
root            93     2 0 16:54:13 ?     00:00:00 [kworker/4:5-rcu_gp]
root            94     2 0 16:54:13 ?     00:00:00 [tpm_dev_wq]
root            95     2 0 16:54:13 ?     00:00:00 [devfreq_wq]
root            96     2 0 16:54:13 ?     00:00:00 [watchdogd]
root            97     2 0 16:54:13 ?     00:00:00 [kworker/u12:1-ext4-rsv-conversion]
root            98     2 0 16:54:13 ?     00:00:00 [kworker/5:1H-kblockd]
root            99     2 0 16:54:13 ?     00:00:00 [rpciod]
root           100     2 0 16:54:13 ?     00:00:00 [kworker/u13:0]
root           101     2 0 16:54:13 ?     00:00:00 [xprtiod]
root           102     2 0 16:54:13 ?     00:00:00 [cfg80211]
root           130     2 0 16:54:13 ?     00:00:00 [kswapd0]
root           131     2 0 16:54:13 ?     00:00:00 [snapshotd]
root           132     2 0 16:54:13 ?     00:00:00 [zswapd0]
root           133     2 0 16:54:13 ?     00:00:00 [nfsiod]
root           134     2 0 16:54:13 ?     00:00:00 [xfsalloc]
root           135     2 0 16:54:13 ?     00:00:00 [xfs_mru_cache]
root           137     2 0 16:54:13 ?     00:00:00 [irq/75-rockchip]
root           138     2 0 16:54:13 ?     00:00:00 [irq/76-rockchip]
root           139     2 0 16:54:13 ?     00:00:00 [irq/77-rockchip]
root           140     2 0 16:54:13 ?     00:00:00 [irq/78-rockchip]
root           141     2 0 16:54:13 ?     00:00:00 [irq/79-rockchip]
root           142     2 0 16:54:13 ?     00:00:00 [irq/80-rockchip]
root           143     2 0 16:54:14 ?     00:00:00 [queue_work0]
root           144     2 0 16:54:14 ?     00:00:00 [queue_work1]
root           145     2 0 16:54:14 ?     00:00:00 [irq/54-ff660000]
root           146     2 0 16:54:14 ?     00:00:00 [irq/52-ff650400]
root           147     2 0 16:54:14 ?     00:00:00 [irq/51-ff650000]
root           148     2 0 16:54:14 ?     00:00:00 [hpd_queue]
root           149     2 0 16:54:14 ?     00:00:00 [irq/66-ff940000]
root           150     2 0 16:54:14 ?     00:00:00 [card0-crtc0]
root           151     2 0 16:54:14 ?     00:00:00 [card0-crtc1]
root           152     2 0 16:54:15 ?     00:00:00 [kworker/0:2-pm]
root           153     2 0 16:54:15 ?     00:00:00 [cec-dw_hdmi]
root           154     2 0 16:54:15 ?     00:00:00 [irq/66-dw-hdmi-]
root           155     2 0 16:54:15 ?     00:00:00 [dmabuf-deferred]
root           156     2 0 16:54:15 ?     00:00:00 [nvme-wq]
root           157     2 0 16:54:15 ?     00:00:00 [nvme-reset-wq]
root           158     2 0 16:54:15 ?     00:00:00 [nvme-delete-wq]
root           162     2 0 16:54:15 ?     00:00:00 [kworker/5:5-mm_percpu_wq]
root           165     2 0 16:54:16 ?     00:00:00 [uas]
root           166     2 0 16:54:16 ?     00:00:00 [goodix_wq]
root           167     2 0 16:54:16 ?     00:00:00 [irq/83-rk808]
root           168     2 0 16:54:16 ?     00:00:00 [irq/48-rockchip]
root           169     2 0 16:54:16 ?     00:00:00 [sugov:0]
root           170     2 0 16:54:16 ?     00:00:00 [kworker/4:1H-kblockd]
root           171     2 0 16:54:16 ?     00:00:00 [sugov:4]
root           172     2 0 16:54:16 ?     00:00:00 [kworker/u12:2-events_power_efficient]
root           174     2 0 16:54:16 ?     00:00:00 [sdhci]
root           175     2 0 16:54:16 ?     00:00:00 [irq/38-mmc2]
root           177     2 1 16:54:16 ?     00:00:05 [kworker/1:2-events_freezable]
root           178     2 0 16:54:16 ?     00:00:00 [ipv6_addrconf]
root           179     2 0 16:54:16 ?     00:00:00 [krfcommd]
root           180     2 0 16:54:16 ?     00:00:00 [kstrp]
root           190     2 0 16:54:16 ?     00:00:00 [core_ctl/0]
root           191     2 0 16:54:16 ?     00:00:00 [core_ctl/4]
root           192     2 0 16:54:16 ?     00:00:00 [irq/57-rga]
root           193     2 0 16:54:16 ?     00:00:00 [irq/68-panfrost]
root           194     2 0 16:54:16 ?     00:00:00 [pan_js]
root           195     2 0 16:54:16 ?     00:00:00 [pan_js]
root           196     2 0 16:54:16 ?     00:00:00 [pan_js]
root           197     2 0 16:54:16 ?     00:00:00 [stmmac_wq]
root           198     2 0 16:54:16 ?     00:00:00 [mmc_complete]
root           199     2 0 16:54:16 ?     00:00:00 [kworker/0:1H-kblockd]
root           202     2 0 16:54:16 ?     00:00:00 [spi0]
root           207     2 0 16:54:16 ?     00:00:00 [ext4-rsv-conver]
root           209     2 0 16:54:16 ?     00:00:00 [ext4-rsv-conver]
watchdog       211     1 0 16:54:17 ?     00:00:00 watchdog_service 10 20
root           212     2 0 16:54:17 ?     00:00:00 [kworker/2:1H-kblockd]
root           213     2 0 16:54:17 ?     00:00:00 [kworker/3:1H-kblockd]
root           215     2 0 16:54:17 ?     00:00:00 [kworker/1:1H-kblockd]
root           217     2 0 16:54:18 ?     00:00:00 [jbd2/mmcblk2p7-]
root           218     2 0 16:54:18 ?     00:00:00 [ext4-rsv-conver]
update         219     1 0 16:54:18 ?     00:00:00 module_update_service
logd           220     1 18 16:54:18 ?    00:02:47 hilogd
hdf_devmgr     221     1 23 16:54:18 ?    00:03:24 hdf_devmgr
root           222     1 0 16:54:18 ?     00:00:01 appspawn
hiview         223     1 1 16:54:18 ?     00:00:05 hiview
root           224     1 0 16:54:18 ?     00:00:00 storage_daemon
device_manager 225     1 0 16:54:18 ?     00:00:00 device_manager
paramwatcher   226     1 0 16:54:18 ?     00:00:00 param_watcher
storage_manager 227    1 0 16:54:18 ?     00:00:00 storage_manager
samgr          233     1 15 16:54:18 ?    00:02:18 samgr
root           238     2 0 16:54:18 ?     00:00:00 [kworker/0:2H-kblockd]
root           264     2 0 16:54:19 ?     00:00:00 [kworker/4:2H]
root           274     2 0 16:54:19 ?     00:00:00 [kworker/2:2H]
device_usage_stats 286 1 0 16:54:19 ?     00:00:00 device_usage_st
bluetooth      288     1 0 16:54:19 ?     00:00:00 bluetooth_servi
root           289     2 0 16:54:19 ?     00:00:00 [kworker/1:2H]
root           290     1 0 16:54:19 ?     00:00:00 resource_schedu
audio          291     1 0 16:54:19 ?     00:00:00 pulseaudio
device_attest  300     1 0 16:54:19 ?     00:00:00 devattest_servi
accessibility  309     1 0 16:54:19 ?     00:00:00 accessibility
huks_server    318     1 0 16:54:19 ?     00:00:00 huks_service
gps            329     1 0 16:54:19 ?     00:00:00 locationhub
memmgr         346     1 0 16:54:19 ?     00:00:01 memmgrservice
input          354     1 0 16:54:19 ?     00:00:00 uinput_inject
input          361     1 0 16:54:19 ?     00:00:00 multimodalinput
deviceauth     362     1 0 16:54:19 ?     00:00:00 deviceauth_service
wallpaper      371     1 0 16:54:19 ?     00:00:02 wallpaper_servi
net_manager    372     1 0 16:54:19 ?     00:00:00 netmanager
radio          374     1 0 16:54:19 ?     00:00:00 telephony
screenlock     419     1 0 16:54:19 ?     00:00:00 screenlock_serv
time           425     1 0 16:54:19 ?     00:00:00 time_service
bgtask         428     1 0 16:54:19 ?     00:00:00 bgtaskmgr_servi
msdp           433     1 0 16:54:19 ?     00:00:00 msdp
root           435     1 0 16:54:19 4:66  00:00:00 sh
audio          438     1 0 16:54:19 ?     00:00:00 audio_policy
wifi           445     1 0 16:54:19 ?     00:00:00 wifi_hal_service
dcamera_host   450     1 0 16:54:19 ?     00:00:00 dcamera_host            15 dcamera_host
codec_host     457     1 0 16:54:19 ?     00:00:00 codec_host              14 codec_host
input_user_host 459    1 0 16:54:19 ?     00:00:00 input_user_host         9 input_user_host
camera_host    460     1 0 16:54:19 ?     00:00:00 camera_host             8 camera_host
audio_hdi_server_host 461 1 0 16:54:19 ?  00:00:00 audio_hdi_server_host   7 audio_hdi_server_host
wifi_host      462     1 0 16:54:19 ?     00:00:00 wifi_host               6 wifi_host
power_host     473     1 0 16:54:19 ?     00:00:00 power_host              5 power_host
usbfn_host     474     1 0 16:54:19 ?     00:00:00 usbfn_host              4 usbfn_host
usb_host       479     1 0 16:54:19 ?     00:00:00 usb_host                3 usb_host
root           480     1 0 16:54:19 ?     00:00:00 blue_host               1 blue_host
disp_gralloc_host 484  1 0 16:54:19 ?     00:00:00 disp_gralloc_host       10 disp_gralloc_host
media          491     1 0 16:54:19 ?     00:00:00 media_service
netsysnative   492     1 0 16:54:19 ?     00:00:00 netsysnative
faultloggerd   522     1 0 16:54:19 ?     00:00:00 faultloggerd
dsoftbus       529     1 0 16:54:19 ?     00:00:01 softbus_server
useriam        546     1 0 16:54:19 ?     00:00:01 useriam
dfs            553     1 0 16:54:19 ?     00:00:00 cloudfiledaemon
access_token   564     1 0 16:54:19 ?     00:00:00 accesstoken_ser
foundation     574     1 1 16:54:20 ?     00:00:11 foundation
hidumper_service 586   1 0 16:54:20 ?     00:00:00 hidumper_servic
installs       590     1 0 16:54:20 ?     00:00:00 installs
graphics       610     1 1 16:54:20 ?     00:00:05 bootanimation
system         611     1 29 16:54:20 ?    00:04:21 render_service
ddms           616     1 0 16:54:20 ?     00:00:03 distributeddata
root           620     2 0 16:54:20 ?     00:00:00 [kworker/3:2H]
inputmethod    623     1 0 16:54:20 ?     00:00:02 inputmethod_ser
access_token   624     1 0 16:54:20 ?     00:00:00 privacy_service
sensor         625     1 0 16:54:20 ?     00:00:00 sensors
cameraserver   627     1 0 16:54:20 ?     00:00:00 camera_service
uiserver       629     1 0 16:54:20 ?     00:00:00 ui_service
av_session     630     1 0 16:54:20 ?     00:00:00 av_session
account        631     1 0 16:54:20 ?     00:00:01 accountmgr
root           652     1 0 16:54:20 ?     00:00:00 hdcd
root           684     2 6 16:54:20 ?     00:00:50 [irq/81-dwc3]
wifi           811     1 0 16:54:21 ?     00:00:00 wifi_manager_se
root           920     2 0 16:54:27 ?     00:00:00 [kworker/5:2H]
root           952     2 0 16:54:29 ?     00:00:00 [kworker/3:2-events]
root          1011     2 0 16:54:31 ?     00:00:00 [psimon]
root          1030     2 0 16:59:26 ?     00:00:00 [kworker/1:0-mm_percpu_wq]
root          1031     2 0 16:59:40 ?     00:00:00 [kworker/5:0-events]
root          1036     2 0 17:04:27 ?     00:00:00 [kworker/1:1-events]
root          1037     2 0 17:04:35 ?     00:00:00 [kworker/u12:0-events_power_efficient]
root          1038     2 0 17:04:40 ?     00:00:00 [kworker/5:1-events_freezable]
root          1046   435 32 17:09:28 4:66 00:00:00 ps -ef
# cat /sys/kernel/debug/dri/0/summary
VOP [ff8f0000.vop]: DISABLED
VOP [ff900000.vop]: ACTIVE
    Connector: HDMI-A-1
        bus_format[2025]: YUV8_1X24
        overlay_mode[1] output_mode[f] color_space[3]
    Display mode: 1920x1080p60
        clk[148500] real_clk[148500] type[48] flag[5]
        H: 1920 2008 2052 2200
        V: 1080 1084 1089 1125
    win0-0: ACTIVE
        format: RG16 little-endian (0x36314752) SDR[0] color_space[0]
        csc: y2r[0] r2r[0] r2y[1] csc mode[1]
        zpos: 0
        src: pos[0x0] rect[654x270]
        dst: pos[633x405] rect[654x270]
        buf[0]: addr: 0x00000000f5f61000 pitch: 1308 offset: 397312
    win1-0: DISABLED
    win2-0: DISABLED
    win3-0: DISABLED
    post: sdr2hdr[0] hdr2sdr[0]
    pre : sdr2hdr[0]
    post CSC: r2y[0] y2r[0] CSC mode[1]
```

OpenHarmony/startup_appspawn

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