This bug was fixed in the package linux-oem-5.6 - 5.6.0-1020.20
---------------
linux-oem-5.6 (5.6.0-1020.20) focal; urgency=medium
* focal/linux-oem-5.6: 5.6.0-1020.20 -proposed tracker (LP: #1886753)
* Realtek [10ec:c82f] Subsystem [17aa:c02f] Wifi adapter not found
(LP: #1886247)
- SAUCE: rtw88: 8822ce: add support for device ID 0xc82f
* [WD19TB] external DP failed with DRM error message (LP: #1886165)
- drm/i915/tgl: Update TC DP vswing table
- drm/i915/tgl: Implement WA_16011163337
- SAUCE: drm/i915/bios: add intel_bios_hdmi_level_shift()
- drm/i915/tgl: Add HBR and HBR2+ voltage swing table
- drm/i915/dc3co: Avoid full modeset when EXITLINE needs to be changed
- drm/i915/tgl+: Use the correct DP_TP_* register instances in MST encoders
- drm/i915/tgl+: Fix TBT DPLL fractional divider for 38.4MHz ref clock
* ubuntu_aufs_smoke_test failed on Focal OEM 5.6 (LP: #1879308)
- SAUCE: fs: Enable aufs
-- Timo Aaltonen <[email protected]> Wed, 08 Jul 2020
11:44:53 +0300
** Changed in: linux-oem-5.6 (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1878554
Title:
alsa/hdmi: restore the component support patch_nvhdmi
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-5.6 package in Ubuntu:
Fix Released
Status in linux-oem-5.6 source package in Focal:
Fix Released
Status in linux source package in Groovy:
Incomplete
Bug description:
BugLink: https://bugs.launchpad.net/bugs/1878554
The reverted patch was introduced by stable-patches, and this SRU
plans to revert the patch, the commit id is from oem-5.6 kernel,
so maybe in the Groovy and unstable kernel, the commit id is not
same as this one.
[Impact]
On Lenovo P520 with Nvida P4000 grahic card, the hdmi audio doesn't
work.
[Fix]
revert an existing patch to let patch_nvhdmi support component.
[Test Case]
boot the system, plug the hdmi/dp monitor, the hdmi audio could work,
wait for 10 mins until the screen become black, wake up the screen and
check the audio, still work well.
[Regression Risk]
Low, after reverting the patch, it is aligned to mainline kernel
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