** Changed in: linux (Ubuntu Groovy)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1899883
Title:
Tiger Lake PMC core driver fixes
Status in linux package in Ubuntu:
Invalid
Status in linux-oem-5.6 package in Ubuntu:
Invalid
Status in linux-oem-5.6 source package in Focal:
In Progress
Status in linux source package in Groovy:
Fix Committed
Bug description:
[Impact]
The power gating status is not correct and the slp_s0 value is not correct on
Intel TigerLake platform.
The slp_s0 value is essential for our tools to confirm whether the
system enters deep sleep,
and the power gating is critical for another tool to check which
device is still running when the system is suspended.
Both are not that useful for a normal user, but useful for developers
to debug power consumption issues.
[Fix]
The patchset in
https://lore.kernel.org/lkml/[email protected]/
provides several critical fixes for intel_pmc_core driver.
[Test]
Verified on some TigerLake platforms
[Regression Potential]
Low, the fix for status bits map and the slp_s0 calculation are simple and
clear, should have low impact on regression.
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