diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2023-03-24 00:07:24 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-03-27 12:03:05 +0000 |
| commit | ca8a8de999824bfae5b66b32a237246805ed857c (patch) | |
| tree | 2817769b27a1662a1263a4f8254c719de464103c /src/soc/amd/cezanne | |
| parent | 2c9de49a971497fadaf5272fd1bacee7a316dbfc (diff) | |
soc/amd: factor out common get_pstate_core_power implementation
Now that all get_pstate_core_power implementations in each SoC's acpi.c
file is identical, factor it out into a common implementation. This
implementation will also work for Stoneyridge which isn't using the
common P state code yet.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Iba3833024a5e3ca5a47ffb1c1afdbfd884313c96
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73997
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/cezanne')
| -rw-r--r-- | src/soc/amd/cezanne/acpi.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/src/soc/amd/cezanne/acpi.c b/src/soc/amd/cezanne/acpi.c index 9c60d5ecf6..e883009e27 100644 --- a/src/soc/amd/cezanne/acpi.c +++ b/src/soc/amd/cezanne/acpi.c @@ -132,42 +132,6 @@ uint32_t get_pstate_core_freq(union pstate_msr pstate_reg) return core_freq; } -uint32_t get_pstate_core_power(union pstate_msr pstate_reg) -{ - uint32_t voltage_in_uvolts, current_value_amps, current_divisor, power_in_mw; - - /* Get Voltage from core voltage ID */ - voltage_in_uvolts = get_pstate_core_uvolts(pstate_reg); - - /* Current value in amps */ - current_value_amps = pstate_reg.idd_value; - - /* Current divisor */ - current_divisor = pstate_reg.idd_div; - - /* Power in mW */ - power_in_mw = (voltage_in_uvolts) / 10 * current_value_amps; - - switch (current_divisor) { - case 0: - power_in_mw = power_in_mw / 100L; - break; - case 1: - power_in_mw = power_in_mw / 1000L; - break; - case 2: - power_in_mw = power_in_mw / 10000L; - break; - case 3: - /* current_divisor is set to an undefined value.*/ - printk(BIOS_WARNING, "Undefined current_divisor set for enabled P-state .\n"); - power_in_mw = 0; - break; - } - - return power_in_mw; -} - const acpi_cstate_t cstate_cfg_table[] = { [0] = { .ctype = 1, |