Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
23 lines
493 B
C
23 lines
493 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <linux/acpi.h>
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#include <linux/export.h>
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#include "../internal.h"
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#define SMCCC_SOC_ID_T241 0x036b0241
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int acpi_arch_thermal_cpufreq_pctg(void)
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{
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s32 soc_id = arm_smccc_get_soc_id_version();
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/*
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* Check JEP106 code for NVIDIA Tegra241 chip (036b:0241) and
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* reduce the CPUFREQ Thermal reduction percentage to 5%.
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*/
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if (soc_id == SMCCC_SOC_ID_T241)
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return 5;
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return 0;
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}
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EXPORT_SYMBOL_GPL(acpi_arch_thermal_cpufreq_pctg);
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