Troubleshooting • Re: Wisecoco 5.5" display issues

Sorry for the delay in getting back, I've been swamped this week, this is the output from edid-decode:

edid-decode /sys/class/drm/card1-HDMI-A-1/edid
edid-decode (hex):

00 ff ff ff ff ff ff 00 0e d4 32 31 00 88 88 88
20 1c 01 03 80 0c 07 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 89 34 38 4f 40 80 0e 70 30 06
82 00 38 80 47 00 00 1e 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 fc 00 0a
20 20 20 20 20 20 20 20 20 20 20 20 00 00 00 fc
00 57 69 73 65 63 6f 63 6f 20 20 20 20 20 01 95

02 03 12 f1 23 09 04 01 83 01 00 00 65 03 0c 00
10 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 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 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 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bf

----------------

Block 0, Base EDID:
EDID Structure Version & Revision: 1.3
Vendor & Product Identification:
Manufacturer: CVT
Model: 12594
Serial Number: 2290649088
Made in: week 32 of 2018
Basic Display Parameters & Features:
Digital display
Maximum image size: 12 cm x 7 cm
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: 1080x1920 59.999839 Hz 9:16 116.040 kHz 134.490000 MHz (1080 mm x 1920 mm)
Hfront 48 Hsync 6 Hback 25 Hpol P
Vfront 8 Vsync 2 Vback 4 Vpol P
Empty Descriptor
Display Product Name: ''
Display Product Name: 'Wisecoco '
Extension blocks: 1
Checksum: 0x95

----------------

Block 1, CTA-861 Extension Block:
Revision: 3
Underscans IT Video Formats by default
Basic audio support
Supports YCbCr 4:4:4
Supports YCbCr 4:2:2
Native detailed modes: 1
Audio Data Block:
Linear PCM:
Max channels: 2
Supported sample rates (kHz): 48
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
Checksum: 0xbf

Aside from the fact that I'm not 100% sure what to do with this info, I also read somewhere that sometimes these hdmi/mipi bridge boards can ship without the correct edid

Statistics: Posted by BethForever — Sat Jul 27, 2024 2:24 pm

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