** Changed in: linux-oem-6.8 (Ubuntu Noble)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2073282
Title:
Fix power consumption while using HW accelerated video decode on AMD
platforms
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-6.10 package in Ubuntu:
Invalid
Status in linux-oem-6.8 package in Ubuntu:
Invalid
Status in linux source package in Noble:
In Progress
Status in linux-oem-6.10 source package in Noble:
In Progress
Status in linux-oem-6.8 source package in Noble:
Fix Committed
Status in linux source package in Oracular:
In Progress
Status in linux-oem-6.10 source package in Oracular:
Invalid
Status in linux-oem-6.8 source package in Oracular:
Invalid
Bug description:
[SRU Justification]
[Impact]
Power consumption measurements are worse than Windows while using HW
accelerated video decoding.
[Fix]
Two commits from upstream v6.11-rc1 to add a unified queue to VCN for
more power saving.
[Test Case]
This involves attaching probes on mainboard and can only be performed
by AMD/ODM.
[Where problems could occur]
No.
[Other Info]
To apply to all kernels >= 6.8. Orauclar/Noble, OEM-6.8, OEM-6.11 are
nominated for fix.
===== original bug report =====
Affected platforms are AMD Phoenix, Phoenix2, Kracken, Strix and
Strix-Halo.
Patches being upstreamed:
* https://lore.kernel.org/all/20240710205907.190580-1-boyuan.zh...@amd.com/
* https://lore.kernel.org/all/20240710205907.190580-2-boyuan.zh...@amd.com/
Patches backported to 6.8/6.10:
* https://git.kernel.org/superm1/h/superm1/vcn-dpg-6.8
* https://git.kernel.org/superm1/h/superm1/vcn-dpg-6.10
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