This bug was fixed in the package linux-oem-5.6 - 5.6.0-1035.37
---------------
linux-oem-5.6 (5.6.0-1035.37) focal; urgency=medium
* focal/linux-oem-5.6: 5.6.0-1035.37 -proposed tracker (LP: #1903149)
* Packaging resync (LP: #1786013)
- update dkms package versions
* drm/i915/dp_mst - wait longer during the clock recovery for Display port
(LP: #1902861)
- SAUCE: drm/i915/dp_mst: wait longer during the clock recovery
* Remove NVMe suspend-to-idle workaround (LP: #1897227)
- Revert "UBUTU: SAUCE: pci: prevent Intel NVMe SSDPEKKF from entering D3"
- Revert "UBUNTU: SAUCE: pci: prevent sk hynix nvme from entering D3"
* Tiger Lake PMC core driver fixes (LP: #1899883)
- x86/devicetable: Move x86 specific macro out of generic code
- x86/cpu: Add consistent CPU match macros
- platform/x86: Convert to new CPU match macros
- platform/x86: intel_pmc_core: Add Atom based Jasper Lake (JSL) platform
support
- platform/x86: intel_pmc_core: Add debugfs entry to access sub-state
residencies
- platform/x86: intel_pmc_core: Add debugfs entry for low power mode status
registers
- platform/x86: intel_pmc_core: Refactor the driver by removing redundant
code
- platform/x86: intel_pmc_core: Remove slp_s0 attributes from tgl_reg_map
- platform/x86: intel_pmc_core: Add an additional parameter to
pmc_core_lpm_display()
- platform/x86: intel_pmc_core: Dump low power status registers on an S0ix.y
failure
- platform/x86: intel_pmc_core: Add debugfs support to access live status
registers
- platform/x86: intel_pmc_core: Relocate pmc_core_*_display() to outside of
CONFIG_DEBUG_FS
- platform/x86: intel_pmc_core: Remove duplicate 'if' to create debugfs
entry
- platform/x86: intel_pmc_core: Add slp_s0_offset attribute back to
tgl_reg_map
- platform/x86: intel_pmc_core: Make pmc_core_lpm_display() generic for
platforms that support sub-states
- platform/x86: intel_pmc_core: Make pmc_core_substate_res_show() generic
- platform/x86: intel_pmc_core: Change Jasper Lake S0ix debug reg map back
to
ICL
- platform/x86: intel_pmc_core: avoid unused-function warnings
- platform/x86: intel_pmc_core: update TGL's LPM0 reg bit map name
- platform/x86: intel_pmc_core: fix bound check in pmc_core_mphy_pg_show()
- platform/x86: pmc_core: Use descriptive names for LPM registers
- platform/x86: intel_pmc_core: Fix TigerLake power gating status map
- platform/x86: intel_pmc_core: Fix the slp_s0 counter displayed value
* [SRU][OEM-5.6]Fix no video out from some monitors on amdgpu (LP: #1901135)
- drm/amd/display: Retry AUX write when fail occurs
* drm/i915/dp_mst - only read the base capability in DPCD. (LP: #1902613)
- Revert "UBUNTU: SAUCE: drm/dp_mst: Retrieve extended DPCD caps for
topology
manager"
* TGL system automatically resumes from s2idle when connecting to a docking
station with a monitor (LP: #1902577)
- SAUCE: ACPI: avoid auto-wakeup with an _OSI string
* Fix non-working NVMe after S3 (LP: #1895718)
- SAUCE: PCI: Enable ACS quirk on all CML root ports
* drm/i915/dp_mst - System would hang during the boot up. (LP: #1902469)
- drm/i915: Fix encoder lookup during PSR atomic check
* kci_test_encap_fou() in rtnetlink.sh from kselftests/net failed with "FAIL:
can't add fou port 7777, skipping test" (LP: #1891421)
- selftests: rtnetlink: load fou module for kci_test_encap_fou() test
* alsa/hda: mic can't be detect if booting with headset plugged on a HP
machine (LP: #1901971)
- SAUCE: ALSA: hda/realtek - Fixed HP headset Mic can't be detected
-- Timo Aaltonen <timo.aalto...@canonical.com> Wed, 11 Nov 2020
14:40:51 +0200
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: Fix Committed => Fix Released
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Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1902861
Title:
drm/i915/dp_mst - wait longer during the clock recovery for Display
port
Status in HWE Next:
New
Status in OEM Priority Project:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-5.6 package in Ubuntu:
New
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.6 source package in Focal:
Fix Released
Status in linux source package in Groovy:
In Progress
Status in linux source package in Hirsute:
Incomplete
Bug description:
[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.
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