[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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