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dptf: Add support for IDSP

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\_SB.DPTF.IDSP adverties to the DPTF daemon which policies the
implementation supports. Added a new acpigen function to figure out
which policies are used, and fills out IDSP appropriately.

Change-Id: Idf67a23bf38de4481c02f98ffb27afb8ca2d1b7b
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42081
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Tim Wawrzynczak
2020-06-03 16:27:30 -06:00
committed by Patrick Georgi
parent e4d8ebcef7
commit 03465f4b0f
3 changed files with 58 additions and 0 deletions
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11
src/include/acpi/acpigen_dptf.h
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@@ -126,6 +126,17 @@ struct dptf_power_limits {
struct dptf_power_limit_config pl2;
};
/*
* This function writes out \_SB.DPTF.IDSP, which describes the different DPTF policies that
* this implementation is using.
*/
void dptf_write_enabled_policies(const struct dptf_active_policy *active_policies,
int active_count,
const struct dptf_passive_policy *passive_policies,
int passive_count,
const struct dptf_critical_policy *critical_policies,
int critical_count);
/*
* This function provides tables of temperature and corresponding fan or percent. When the
* temperature thresholds are met (_AC0 - _AC9), the fan is driven to corresponding percentage