This bug was fixed in the package linux-oem-6.5 - 6.5.0-1027.28
---------------
linux-oem-6.5 (6.5.0-1027.28) jammy; urgency=medium
* jammy/linux-oem-6.5: 6.5.0-1027.28 -proposed tracker (LP: #2073849)
* Packaging resync (LP: #1786013)
- debian.oem/dkms-versions -- manual update for ipu6
-- Kuan-Ying Lee <kuan-ying....@canonical.com> Wed, 24 Jul 2024
09:56:23 +0800
** Changed in: linux-oem-6.5 (Ubuntu Jammy)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2070158
Title:
RFIM and SAGV Linux Support for G10 models
Status in HWE Next:
New
Status in linux package in Ubuntu:
New
Status in linux-oem-6.5 package in Ubuntu:
New
Status in linux source package in Jammy:
Won't Fix
Status in linux-oem-6.5 source package in Jammy:
Fix Released
Status in linux source package in Noble:
Fix Committed
Status in linux-oem-6.5 source package in Noble:
Invalid
Bug description:
BugLink: https://bugs.launchpad.net/bugs/2070158
[Impact]
This is a feature request from HP, RFIM is for frequency, SAGV is for voltage.
They are used as dynamic switching to reduce RF noise. RFIM is already
supported in the kernel, this patchset adds the SAGV feature.
[Fix]
Cherry-pick 6 commits from mainline kernel
[Test]
Enable the SAGV from the BIOS, booting with the patched kernel, after booting
up, run 'systemctl status dtt.service', we will get: service is enabled and
service is running
run 'cat /sys/kernel/debug/dri/0000:00:02.0/i915_sagv_status', we will get:
SAGV available: Yes
SAGV status: enabled
[Where problems could occur]
Because the fix is for i915, it is likely introduce regression on graphic,
but this possibility is very low. These 6 commits are merged to
mainline kernel from v6.10-rc1, so far there is no regression reported
on them. And we tested the patched kernel on different Intel machines, all
worked well.
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