[PATCH 0/5][SRU][OEM-5.14/Jammy] AMD Yellow Carp system hang on HDMI plug in/out over dock station

[You-Sheng Yang]

From: "You-Sheng Yang (vicamo)" <vicamo.yang at canonical.com>

BugLink: https://bugs.launchpad.net/bugs/1991974

[Impact]

AMD Yellow Carp system hang on HDMI plug in/out over dock station.

[Fix]

5 patches from mainline kernel v5.16 to be backported.

[Test Case]

Plug and unplug HDMI cable connected external monitor on a docking
station connected to HP Lockheed platform to try trigger system hang.

[Where problems could occur]

This series tries to address null state of MST link encoder, and no know
fix commits for them ever since till current mainline HEAD.

[Other Info]

While this is already available in v5.16 kernel and on, only 5.15 and
oem-5.14 are nominated for fix.

Jimmy Kizito (2):
  drm/amd/display: Fix MST link encoder availability check.
  drm/amd/display: Add work around for tunneled MST.

Meenakshikumar Somasundaram (3):
  drm/amd/display: Fix for link encoder access for MST.
  drm/amd/display: FEC configuration for dpia links
  drm/amd/display: FEC configuration for dpia links in MST mode

 drivers/gpu/drm/amd/display/dc/core/dc_link.c | 34 +++++++++++++++++--
 .../drm/amd/display/dc/core/dc_link_enc_cfg.c | 23 ++++++++++---
 .../gpu/drm/amd/display/dc/core/dc_resource.c | 20 +++++------
 drivers/gpu/drm/amd/display/dc/dc.h           |  3 +-
 drivers/gpu/drm/amd/display/dc/dc_link.h      |  2 ++
 .../display/dc/dcn31/dcn31_dio_link_encoder.c |  4 +--
 6 files changed, 66 insertions(+), 20 deletions(-)

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2.37.2