[SRU][PULL v2][Jammy:linux-intel-iotg] ADL-N: HDMI port through type-c stops working after reboot

Jian Hui Lee jianhui.lee at canonical.com
Wed Feb 15 09:46:40 UTC 2023


BugLink: https://bugs.launchpad.net/bugs/2007328

[Impact]
HDMI port through type-c stops working after reboot

[Fix]
adding the correct ddc pin mapping and eliminate the warn log about ownership.

[Test Plan]
* Compile tested
* Boot on an Intel ADL-N CRB and give a test on each function

[Where problems could occur]
Low, the fix limits to adl-n (adl-p) series.

v2: includes bug reference in the mail content

----------------------------------------------------------------
The following changes since commit 1e50cb9ecd09180d6d249fc3ca6a8f511da6af0e:

  UBUNTU: SAUCE: (no-up) net: wwan: t7xx: Fix WARN_ON() after driver
is reinitialized (2023-02-14 10:43:41 +0800)

are available in the Git repository at:

  git://git.launchpad.net/~jianhuilee/ubuntu/+source/linux-intel-iotg/+git/jammy-iotg
 adln-hdmi-fix-for-review-20230215

for you to fetch changes up to 2bdf0d6d059d6fd714dc8c8d4b5c2e8359d82504:

  drm/i915/tc: Fix PHY ownership programming in HDMI legacy mode
(2023-02-15 10:29:50 +0800)

----------------------------------------------------------------
Imre Deak (1):
      drm/i915/tc: Fix PHY ownership programming in HDMI legacy mode

Jani Nikula (1):
      drm/i915/bios: move ddc pin mapping code next to ddc pin sanitize

Tejas Upadhyay (1):
      drm/i915/adl_p: Add ddc pin mapping

 drivers/gpu/drm/i915/display/intel_bios.c     | 166 ++++++++++++++------------
 drivers/gpu/drm/i915/display/intel_ddi.c      |  10 +-
 drivers/gpu/drm/i915/display/intel_vbt_defs.h |   7 +-
 3 files changed, 103 insertions(+), 80 deletions(-)



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