This bug was fixed in the package linux-oem-5.10 - 5.10.0-1025.26
---------------
linux-oem-5.10 (5.10.0-1025.26) focal; urgency=medium
* focal/linux-oem-5.10: 5.10.0-1025.26 -proposed tracker (LP:
#1926155)
* Packaging resync (LP: #1786013)
- update dkms package versions
* CirrusLogic: Cracking noises appears in built-in speaker when output volume
is set >80% (LP: #1924997)
- SAUCE: ALSA: hda/cirrus: Use CS8409 Equalizer to fix abnormal sounds on
Bullseye
-- Timo Aaltonen <[email protected]> Mon, 26 Apr 2021
16:18:11 +0300
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1924238
Title:
Fix no picture from HDMI when it's plugged after boot
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Committed
Status in linux-oem-5.10 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.10 source package in Focal:
Fix Released
Status in linux source package in Hirsute:
Fix Committed
Status in linux-oem-5.10 source package in Hirsute:
Invalid
Bug description:
[Impact]
On Intel CML desktop, there's no HDMI output when the cable is not
connected pre-boot.
[Fix]
Properly handle lane polarity so the driver can write different values
to the register to enable the port.
[Test]
1. Boot with DP display.
2. Connect HDMI under GNOME desktop.
3. No picture on HDMI monitor.
With the fix applied, the issue is resolved.
[Where problems could occur]
If the BIOS VBT table is not correct, which did happen in the pase, this
fix may break those ports.
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