NACK: [PATCH 0/1][SRU][OEM-5.6]UBUNTU: SAUCE: drm/i915/dp_mst - wait longer during the clock recovery for Display port

[Koba Ko]

On Wed, Nov 4, 2020 at 7:42 PM Koba Ko <koba.ko at canonical.com> wrote:

> BugLink: https://bugs.launchpad.net/bugs/1902861
>
> [Impact]
> For some TGL platform, connect with the external monitor on the docking
> station(SC),
> after cold/warm boot, the external monitor can't output the video and need
> to hotplug the docking station.
>
> [Fix]
> On the link-training phase, Wait longer during the clock recovery.
>
> [test]
> With the patch, The TGL-machine connect with the external monitor on
> docking station(SC) and
> can output the video to the external monitor on docking station after
> cold/warm boot.
>
> [Regression Potential]
> Medium, it may not the root cause
>
> Koba Ko (1):
>   drm/i915/dp_mst: wait longer during the clock recovery
>
>  drivers/gpu/drm/drm_dp_helper.c                | 18 ++++++++++++++++++
>  .../drm/i915/display/intel_dp_link_training.c  | 18 +++++++++++-------
>  include/drm/drm_dp_helper.h                    |  1 +
>  3 files changed, 30 insertions(+), 7 deletions(-)
>
> --
> 2.25.1
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20201111/78f31900/attachment.html>