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| author |   David E. Box <david.e.box@linux.intel.com> | 2024-10-17 14:04:38 -0700 |
|---|---|---|
| committer |   Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2024-10-22 11:50:58 +0300 |
| commit | 7a797cc9f80915cc5f1a5aee46d14880eb444644 (patch) | |
| tree | 806b7bc648fd5fb25ee192531fbab50036c8f411 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | platform/x86/intel/pmc: Refactor platform resume functions to use cnl_resume() (diff) | |
| download | linux-rng-7a797cc9f80915cc5f1a5aee46d14880eb444644.tar.xz linux-rng-7a797cc9f80915cc5f1a5aee46d14880eb444644.zip | |
platform/x86/intel/pmc: Disable C1 auto-demotion during suspend
On some platforms, aggressive C1 auto-demotion may lead to failure to enter
the deepest C-state during suspend-to-idle, causing high power consumption.
To prevent this, disable C1 auto-demotion during suspend and re-enable on
resume.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20241017210439.3449324-2-david.e.box@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions