[SRU][N:linux][PATCH v2 0/2] intel_idle: add Granite Rapids Xeon (D) support
Thibault Ferrante
thibault.ferrante at canonical.com
Wed Apr 9 20:28:26 UTC 2025
BugLink: https://bugs.launchpad.net/bugs/2106638
[ Impact ]
* Improve management of C-states in Granite Rapids Xeon (D) hardware.
[ Fix ]
* Cherry-pick from upstream:
370406bf5738 intel_idle: add Granite Rapids Xeon support
f557e0d1c2e6 intel_idle: add Granite Rapids Xeon D support
* Small backporting has to be done due to missing `intel_idle: Switch to new Intel CPU model defines`
and `intel_idle: fix ACPI _CST matching for newer Xeon platforms` which included some fixes which were
dropped.
[ Test Plan ]
* Built and boot tested
[ Where problems could occur ]
* Regression in performance in Granite Rapids Xeon.
v2: Added buglink to the coverletter
Artem Bityutskiy (2):
intel_idle: add Granite Rapids Xeon support
intel_idle: add Granite Rapids Xeon D support
drivers/idle/intel_idle.c | 96 +++++++++++++++++++++++++++++++++++++++
1 file changed, 96 insertions(+)
--
2.48.1
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