diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2023-03-25 04:58:40 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-03-29 16:21:19 +0000 |
| commit | 78cbcefb7662b5f749b5583dce2c78b100b9d58e (patch) | |
| tree | e35ca35544c168d9bba2d73c50b0ce4e73495501 /src/soc/amd/common/block/cpu/noncar | |
| parent | 2323acab6a7a4624e7f7de7e0f93e3aef4fc0157 (diff) | |
soc/amd/common/acpi/cpu_power_state: introduce & use get_pstate_latency
On the Zen-based CPUs, the transition and bus master latency are always
written as 0, but on but on Stoneyridge hardware-dependent values are
used. Introduce get_pstate_latency that returns 0 for all non-CAR AMD
CPUs.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I81086fa64909c7350b3b171ea6ea9b46f1708f67
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74024
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Diffstat (limited to 'src/soc/amd/common/block/cpu/noncar')
| -rw-r--r-- | src/soc/amd/common/block/cpu/noncar/cpu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/cpu/noncar/cpu.c b/src/soc/amd/common/block/cpu/noncar/cpu.c index 609aed8d38..2cd847ee87 100644 --- a/src/soc/amd/common/block/cpu/noncar/cpu.c +++ b/src/soc/amd/common/block/cpu/noncar/cpu.c @@ -12,6 +12,11 @@ uint32_t get_pstate_0_reg(void) return 0; } +uint32_t get_pstate_latency(void) +{ + return 0; +} + unsigned int smbios_processor_family(struct cpuid_result res) { return 0x6b; /* Zen */ |