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tools/power/x86/intel-speed-select: Abstract get_pwr_info

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Allow platform specific implementation to get min and max power for a
given SST-PP level.

No functional changes are expected.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
[srinivas.pandruvada@linux.intel.com: changelog edits]
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
This commit is contained in:
Zhang Rui 2022-08-08 20:34:45 +08:00 • committed by Srinivas Pandruvada
parent 645b66054c
commit e107dec9a8
3 changed files with 27 additions and 17 deletions
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24
tools/power/x86/intel-speed-select/isst-core-mbox.c
View file

@ -125,6 +125,29 @@ static int mbox_get_tdp_info(struct isst_id *id, int config_index,
return 0;
}
static int mbox_get_pwr_info(struct isst_id *id, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_PWR_INFO,
0, config_index, &resp);
if (ret)
return ret;
ctdp_level->pkg_max_power = resp & GENMASK(14, 0);
ctdp_level->pkg_min_power = (resp & GENMASK(30, 16)) >> 16;
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_PWR_INFO resp:%x pkg_max_power:%d pkg_min_power:%d\n",
id->cpu, config_index, resp, ctdp_level->pkg_max_power,
ctdp_level->pkg_min_power);
return 0;
}
static struct isst_platform_ops mbox_ops = {
.get_disp_freq_multiplier = mbox_get_disp_freq_multiplier,
.get_trl_max_levels = mbox_get_trl_max_levels,
@ -133,6 +156,7 @@ static struct isst_platform_ops mbox_ops = {
.get_config_levels = mbox_get_config_levels,
.get_ctdp_control = mbox_get_ctdp_control,
.get_tdp_info = mbox_get_tdp_info,
.get_pwr_info = mbox_get_pwr_info,
};
struct isst_platform_ops *mbox_get_platform_ops(void)

19
tools/power/x86/intel-speed-select/isst-core.c
View file

@ -308,23 +308,8 @@ int isst_get_tdp_info(struct isst_id *id, int config_index,
int isst_get_pwr_info(struct isst_id *id, int config_index,
struct isst_pkg_ctdp_level_info *ctdp_level)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_PWR_INFO,
0, config_index, &resp);
if (ret)
return ret;
ctdp_level->pkg_max_power = resp & GENMASK(14, 0);
ctdp_level->pkg_min_power = (resp & GENMASK(30, 16)) >> 16;
debug_printf(
"cpu:%d ctdp:%d CONFIG_TDP_GET_PWR_INFO resp:%x pkg_max_power:%d pkg_min_power:%d\n",
id->cpu, config_index, resp, ctdp_level->pkg_max_power,
ctdp_level->pkg_min_power);
return 0;
CHECK_CB(get_pwr_info);
return isst_ops->get_pwr_info(id, config_index, ctdp_level);
}
void isst_get_uncore_p0_p1_info(struct isst_id *id, int config_index,

1
tools/power/x86/intel-speed-select/isst.h
View file

@ -189,6 +189,7 @@ struct isst_platform_ops {
int (*get_config_levels)(struct isst_id *id, struct isst_pkg_ctdp *pkg_ctdp);
int (*get_ctdp_control)(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level);
int (*get_tdp_info)(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level);
int (*get_pwr_info)(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level);
};
extern int is_cpu_in_power_domain(int cpu, struct isst_id *id);