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

Andrea Righi andrea.righi at canonical.com
Tue Jul 19 05:30:58 UTC 2022


On Wed, Apr 06, 2022 at 04:03:50PM +0800, Koba Ko wrote:
> 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

Already applied via upstream updates.

Thanks,
-Andrea



More information about the kernel-team mailing list