On 4/12/2023 10:52 AM, Sivaprasad Tummala wrote:
amd-pstate introduces a new CPU frequency control mechanism for AMD
processors using the ACPI Collaborative Performance Power Control
feature for a finer grained frequency management.
Patch to add support for amd-pstate driver.
Signed-off-by: Sivaprasad Tummala <sivaprasad.tumm...@amd.com>
---
I don't have an AMD machine handy so I can't test this, but code wise,
LGTM bar one nitpick below.
Acked-by: Anatoly Burakov <anatoly.bura...@intel.com>
+ }
+
+ ret = read_core_sysfs_u32(f_nom, &nominal_freq);
+ if (ret < 0) {
+ RTE_LOG(ERR, POWER, "Failed to read %s\n",
+ POWER_SYSFILE_NOMINAL_FREQ);
+ goto out;
+ }
+
+ power_check_turbo(pi);
+
+ if (scaling_max_freq < scaling_min_freq)
It would be nice if this produced an error message of some kind.
--
Thanks,
Anatoly