This bug was fixed in the package linux-oem-6.11 - 6.11.0-1023.23

---------------
linux-oem-6.11 (6.11.0-1023.23) noble; urgency=medium

  * noble/linux-oem-6.11: 6.11.0-1023.23 -proposed tracker (LP:
#2111230)

  * ACPICA: Add support for printing AML arguments when trace point enabled
    (LP: #2111220)
    - ACPICA: Add support for printing AML arguments when trace point enabled

  * When the speaker volume is adjusted above 80%, noise occurs from the
    speakers with cs42l43. (LP: #2110950)
    - ASoC: intel/sdw_utils: Add volume limit to cs42l43 speakers

  * Support Sony IMX471 camera sensor for Intel IPU7 platforms (LP: #2107320)
    - SAUCE: media: ipu-bridge: Support imx471 sensor
    - [Packaging] debian.oem/dkms-versions -- bump ipu6-drivers version

  * Mediatek MT7920 WLAN card does not respect Wireless Radio Control in BIOS
    (LP: #2109314)
    - wifi: mt76: mt7921: add rfkill_poll for hardware rfkill

  * The system with VMD enabled may encounter hang (LP: #2110178)
    - SAUCE: PCI: vmd: Fix use-after-free bug in resource name assignment

  * Fix divide by zero errors in DML2 (LP: #2106923)
    - drm/amd/display: Protect FPU in dml2_init()/dml21_init()
    - drm/amd/display: Protect FPU in dml2_validate()/dml21_validate()
    - drm/amd/display: Protect FPU in dml21_copy()

  * Not all monitors  connected on the dock display correctly when the system
    resumes from restart  or suspend on AMD platform (LP: #2110095)
    - drm/amd/display: use drm_warn instead of DRM_WARN
    - drm/amd/display: Shift DMUB AUX reply command if necessary
    - drm/amd/display: Fix the checking condition in dmub aux handling
    - drm/amd/display: Remove incorrect checking in dmub aux handler
    - drm/amd/display: Copy AUX read reply data whenever length > 0
    - drm/amd/display: Fix wrong handling for AUX_DEFER case

  * Support AMD Image Signal Processing (ISP) unit V4.0 (LP: #2110092)
    - Revert "UBUNTU: [Config] Enable AMD_ISP4"
    - Revert "UBUNTU: SAUCE: ispkernel 3.0 release"
    - drm/amdgpu: Add MFD support for ISP I2C bus
    - drm/amd/amdgpu: Add support for isp buffers
    - SAUCE: ispkernel: 4.0 release
    - SAUCE: fix amd-isp4 build failures
    - [Config] Enable AMD_ISP4

  * System will restart while resuming with SATA HDD or nvme installed with
    password set (LP: #2110090)
    - PCI: Explicitly put devices into D0 when initializing

  * Privacy LED may not be turned on on OEM Renegade platform with Intel IPU7
    camera (LP: #2106807)
    - [Packaging] debian.oem/dkms-versions -- bump vision-drivers version

  * Fix volume control no effect on HP EliteStudio AIO (LP: #2109539)
    - ALSA: hda: Apply volume control on speaker+lineout for HP EliteStudio AIO

  * Fix Mic Mute LED no function on HP G12 laptops with ACP7.0 platform
    (LP: #2108954)
    - ASoC: amd: acp: Remove redundant acp70 chip->name
    - ASoC: amd: acp: Implement acp_common_hw_ops support for acp platforms
    - ASoC: amd: acp: Refactor dmic-codec platform device creation

 -- Chia-Lin Kao (AceLan) <acelan....@canonical.com>  Mon, 19 May 2025
14:27:43 +0800

** Changed in: linux-oem-6.11 (Ubuntu Noble)
       Status: Fix Committed => Fix Released

-- 
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https://bugs.launchpad.net/bugs/2110095

Title:
  Not all monitors  connected on the dock display correctly when the
  system resumes from restart  or suspend on AMD platform

Status in HWE Next:
  New
Status in linux-oem-6.11 package in Ubuntu:
  Invalid
Status in linux-oem-6.14 package in Ubuntu:
  Invalid
Status in linux-oem-6.11 source package in Noble:
  Fix Released
Status in linux-oem-6.14 source package in Noble:
  Fix Committed

Bug description:
  [Impact]
  Not all monitors display well after resume from restart/power off/suspend 
when connect one/two/three monitors on the dock.

  [Fix]
  AMD provides a series of patches which are included in 6.15-rc6 fixes the 
issue
  65924ec69b292 drm/amd/display: Fix wrong handling for AUX_DEFER case
  3924f45d4de72 drm/amd/display: Copy AUX read reply data whenever length > 0
  396dc51b3b7ea drm/amd/display: Remove incorrect checking in dmub aux handler
  bc70e11b550d3 drm/amd/display: Fix the checking condition in dmub aux handling
  5a3846648c052 drm/amd/display: Shift DMUB AUX reply command if necessary

  [Test]
  1. Connect one/two/three monitors with dock to AMD platform
  2. Let the system into restart/power off/suspend, all monitors should all 
display after resume from restart/power off/suspend

  [Where problems could occur]
  Hard to evaluate, but only one commit doesn't CC stable, so we eventually 
will include those patches.

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