[PATCH 0/5][SRU][G][OEM-5.6] Tiger Lake PMC core driver fixes

AceLan Kao acelan.kao at canonical.com
Fri Oct 30 06:01:46 UTC 2020

BugLink: https://bugs.launchpad.net/bugs/1899883

The power gating status is not correct and the slp_s0 value is not correct
on Intel TigerLake platform.

The patchset in
provides several critical fixes for intel_pmc_core driver.

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.

David E. Box (1):
  platform/x86: pmc_core: Use descriptive names for LPM registers

Gaurav Singh (1):
  platform/x86: intel_pmc_core: fix bound check in

Gayatri Kammela (2):
  platform/x86: intel_pmc_core: Fix TigerLake power gating status map
  platform/x86: intel_pmc_core: Fix the slp_s0 counter displayed value

Sathyanarayana Nujella (1):
  platform/x86: intel_pmc_core: update TGL's LPM0 reg bit map name

 drivers/platform/x86/intel_pmc_core.c | 86 ++++++++++++++-------------
 drivers/platform/x86/intel_pmc_core.h |  5 +-
 2 files changed, 49 insertions(+), 42 deletions(-)


More information about the kernel-team mailing list