** Also affects: linux (Ubuntu Mantic)
Importance: Undecided
Status: Incomplete
** Also affects: linux-oem-6.1 (Ubuntu Mantic)
Importance: Undecided
Status: Invalid
** Changed in: linux (Ubuntu Jammy)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/2024449
Title:
Fix audio white noise while play from HDMI/DP port on AMD W6300 gfx
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-6.1 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Invalid
Status in linux-oem-6.1 source package in Jammy:
Fix Committed
Status in linux source package in Mantic:
Incomplete
Status in linux-oem-6.1 source package in Mantic:
Invalid
Bug description:
[Impact]
When playing audio from HDMI/DP port on AMD W6300 gfx, there's always white
noise. It will disappear after suspend/resume. Disabling ASPM on W6300 also fix
this.
[Fix]
Backport a fix from AMD on
https://www.spinics.net/lists/amd-gfx/msg93796.html
https://www.spinics.net/lists/amd-gfx/msg93797.html
[Test]
1. Power on the Desktop installed with AMD W6300 gfx
2. Connect a monitor with either HDMI or DP cable.
3. Change the audio output port to HDMI/DP and play audio.
4. Verify if there's noise from the audio output
[Where problems could occur]
Only observed on AMD W6300. The fix revise the ASPM L1 inactivily time out on
NAVI10 GPU series. The impact should be only for this particular GPU series.
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