** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: Confirmed => Fix Committed
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https://bugs.launchpad.net/bugs/1968475
Title:
Fix broken HDMI audio on AMD PRO VII after S3
Status in HWE Next:
New
Status in linux package in Ubuntu:
Confirmed
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.14 source package in Focal:
Fix Committed
Status in linux source package in Jammy:
Confirmed
Status in linux-oem-5.14 source package in Jammy:
Invalid
Bug description:
[Impact]
DP/HDMI audio on AMD PRO VII stops working after S3.
[Fix]
Ensure HDA function is suspended before ASIC reset so the subsequent
resume can be carried out successfully.
[Test]
With the patch applied, DP/HDMI audio continues to work after S3.
[Where problems could occur]
The suspend_noirq phase should not trigger any interrupt, so if
amdgpu_asic_reset() somehow raised IRQ, it can break the system.
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