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
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