LCD DIsplay vs 6 bits per primary color channel

[lain0]

в линейках thinkpad l13 бывают дисплеи с 6 bits per primary color channel,
они мерцают https://www.linux.org.ru/polls/polls/14894431
http://techmind.org/lcd/index.html#inversion
на некоторых из этих тестов

на thinkpad l13 20R3000GRT

EDID version: 1.4
Manufacturer: AUO Model 662d Serial Number 0
Made in year 2019
Digital display
6 bits per primary color channel
DisplayPort interface
Maximum image size: 29 cm x 17 cm
Gamma: 2.20
Supported color formats: RGB 4:4:4
First detailed timing includes the native pixel format and preferred refresh rate
Display is continuous frequency
Display x,y Chromaticity:
  Red:   0.5722, 0.3447
  Green: 0.3476, 0.5654
  Blue:  0.1601, 0.1132
  White: 0.3134, 0.3291
Established timings supported:
Standard timings supported:
Detailed mode: Clock 141.000 MHz, 293 mm x 165 mm
               1920 1936 1952 2104 hborder 0
               1080 1083 1097 1116 vborder 0
               -hsync -vsync 
               VertFreq: 60 Hz, HorFreq: 67015 Hz
Manufacturer-specified data, tag 15
ASCII string: AUO
ASCII string: B133HAN06.6 
Checksum: 0x3c (valid)