Which system do you use? Android, Ubuntu, OOWOW or others?
Ubuntu 5.4
Which version of system do you use? Khadas official images, self built images, or others?
Khadas official image
Please describe your issue below:
I cannot boot into Ubuntu when connected to a portrait-default display.
The device stuck on this screen and cannot boot. I have tested both the display and the vim4 separately with other devices and they both work fine.
Post a console log of your issue below:
Hello @PeterPPP
It seems that the resolution is not supported, could you provide the edid information of your screen?
edid-decode < /sys/class/drm/card0-HDMI-A-1/edid
Thank you for your response. I used Custom Resolution Utility on windows to get the following edid infomation
edid-decode (hex):
00 ff ff ff ff ff ff 00 21 94 9b b1 01 00 00 00
16 1e 01 03 80 00 00 78 0a 0d c9 a0 57 47 98 27
12 48 4c 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 60 6d c0 df 60 40 18 90 a0 20
a4 00 80 38 74 00 00 18 60 6d c0 df 60 40 18 90
a0 20 a4 00 80 38 74 00 00 18 00 00 00 fc 00 57
69 73 65 63 6f 63 6f 0a 20 20 20 20 00 00 00 fd
00 14 78 01 ff 1d 00 0a 20 20 20 20 20 20 01 56
02 03 1a 71 47 00 00 00 00 00 00 00 23 09 07 01
83 01 00 00 65 03 0c 00 10 00 60 6d c0 df 60 40
18 90 a0 20 a4 00 80 38 74 00 00 18 60 6d c0 df
60 40 18 90 a0 20 a4 00 80 38 74 00 00 18 60 6d
c0 df 60 40 18 90 a0 20 a4 00 80 38 74 00 00 18
60 6d c0 df 60 40 18 90 a0 20 a4 00 80 38 74 00
00 18 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7d
----------------
Block 0, Base EDID:
EDID Structure Version & Revision: 1.3
Vendor & Product Identification:
Manufacturer: HLT
Model: 45467
Serial Number: 1
Made in: week 22 of 2020
Basic Display Parameters & Features:
Digital display
Image size is variable
Gamma: 2.20
RGB color display
First detailed timing is the preferred timing
Color Characteristics:
Red : 0.6250, 0.3398
Green: 0.2802, 0.5947
Blue : 0.1552, 0.0703
White: 0.2832, 0.2978
Established Timings I & II: none
Standard Timings: none
Detailed Timing Descriptors:
DTD 1: 1728x2368 59.998389 Hz 27:37 143.516 kHz 280.000000 MHz (1920 mm x 1080 mm)
Hfront 160 Hsync 32 Hback 31 Hpol N
Vfront 10 Vsync 4 Vback 10 Vpol N
DTD 2: 1728x2368 59.998389 Hz 27:37 143.516 kHz 280.000000 MHz (1920 mm x 1080 mm)
Hfront 160 Hsync 32 Hback 31 Hpol N
Vfront 10 Vsync 4 Vback 10 Vpol N
Display Product Name: 'Wisecoco'
Display Range Limits:
Monitor ranges (GTF): 20-120 Hz V, 1-255 kHz H, max dotclock 290 MHz
Extension blocks: 1
Checksum: 0x56
----------------
Block 1, CTA-861 Extension Block:
Revision: 3
Basic audio support
Supports YCbCr 4:4:4
Supports YCbCr 4:2:2
Native detailed modes: 1
Video Data Block:
Audio Data Block:
Linear PCM:
Max channels: 2
Supported sample rates (kHz): 48 44.1 32
Supported sample sizes (bits): 16
Speaker Allocation Data Block:
FL/FR - Front Left/Right
Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
Source physical address: 1.0.0.0
Detailed Timing Descriptors:
DTD 3: 1728x2368 59.998389 Hz 27:37 143.516 kHz 280.000000 MHz (1920 mm x 1080 mm)
Hfront 160 Hsync 32 Hback 31 Hpol N
Vfront 10 Vsync 4 Vback 10 Vpol N
DTD 4: 1728x2368 59.998389 Hz 27:37 143.516 kHz 280.000000 MHz (1920 mm x 1080 mm)
Hfront 160 Hsync 32 Hback 31 Hpol N
Vfront 10 Vsync 4 Vback 10 Vpol N
DTD 5: 1728x2368 59.998389 Hz 27:37 143.516 kHz 280.000000 MHz (1920 mm x 1080 mm)
Hfront 160 Hsync 32 Hback 31 Hpol N
Vfront 10 Vsync 4 Vback 10 Vpol N
DTD 6: 1728x2368 59.998389 Hz 27:37 143.516 kHz 280.000000 MHz (1920 mm x 1080 mm)
Hfront 160 Hsync 32 Hback 31 Hpol N
Vfront 10 Vsync 4 Vback 10 Vpol N
Checksum: 0x7d
----------------
Preferred Video Timing if only Block 0 is parsed:
DTD 1: 1728x2368 59.998389 Hz 27:37 143.516 kHz 280.000000 MHz (1920 mm x 1080 mm)
Hfront 160 Hsync 32 Hback 31 Hpol N
Vfront 10 Vsync 4 Vback 10 Vpol N
----------------
Preferred Video Timing if Block 0 and CTA-861 Blocks are parsed:
DTD 1: 1728x2368 59.998389 Hz 27:37 143.516 kHz 280.000000 MHz (1920 mm x 1080 mm)
Hfront 160 Hsync 32 Hback 31 Hpol N
Vfront 10 Vsync 4 Vback 10 Vpol N
----------------
Native Video Resolution:
1728x2368
----------------
edid-decode SHA: 84ddf9155376 2021-10-03 10:37:45
Warnings:
Block 1, CTA-861 Extension Block:
IT Video Formats are overscanned by default, but normally this should be underscanned.
Failures:
Block 1, CTA-861 Extension Block:
Required 640x480p60 timings are missing in the established timings and the SVD list (VIC 1).
Missing VCDB, needed for Set Selectable RGB Quantization to avoid interop issues.
EDID:
Base EDID: The DTD image sizes all fit inside 255x255cm, but no display size was set.
EDID conformity: FAIL
Hello @PeterPPP
It seems that this is a special resolution 1728x2368
which is not supported by current system.