APPLIED [OEM-5.14] Re: [PATCH 0/5][SRU][U/J/OEM-5.14] Fix ADL, WD22TB4, Dual monitors display resolution can't reach 4K 60hz

Timo Aaltonen tjaalton at ubuntu.com
Fri Apr 22 07:09:40 UTC 2022


Koba Ko kirjoitti 6.4.2022 klo 11.03:
> BugLink: https://bugs.launchpad.net/bugs/1967986
> 
> [Impact]
> SUT attach WD22TB4 dock, plug in two 4K monitor, the monitor resolution can't reach 4K 60Hz
> 
> [Fix]
> Fix maximum DP source rate.
> 
> this patch should be taken first,
> 73867c8709) drm/i915/display: Remove check for low voltage sku for max dp source rate
> 
> Then, on U/J/OEM-5.14, apply 3fd6afb623ba) drm/i915/intel_combo_phy: Print I/O voltage info,
> 
> [Test Case]
> 1. Connect two 4K external monitor to WD22TB4
> 2. the monitor resolution can reach 4K 60Hz
> 
> [Where problems could occur]
> Low

applied to oem-5.14, thanks

-- 
t



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