system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-10-08 20:34:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/pm: add smu power_limit callback for smu_v13_0_7

Browse source 
- get_power_limit
- set_power_limit

add above callback functions to enable power_cap hwmon node.

Signed-off-by: Yang Wang <KevinYang.Wang@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yang Wang 2022-05-11 14:57:49 +08:00 committed by Alex Deucher
parent d72a475b48
commit 1e46ab91e5
1 changed files with 39 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

39
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
View file

@ -1367,6 +1367,43 @@ static int smu_v13_0_7_enable_mgpu_fan_boost(struct smu_context *smu)
NULL);
}
static int smu_v13_0_7_get_power_limit(struct smu_context *smu,
uint32_t *current_power_limit,
uint32_t *default_power_limit,
uint32_t *max_power_limit)
{
struct smu_table_context *table_context = &smu->smu_table;
struct smu_13_0_7_powerplay_table *powerplay_table =
(struct smu_13_0_7_powerplay_table *)table_context->power_play_table;
PPTable_t *pptable = table_context->driver_pptable;
SkuTable_t *skutable = &pptable->SkuTable;
uint32_t power_limit, od_percent;
if (smu_v13_0_get_current_power_limit(smu, &power_limit))
power_limit = smu->adev->pm.ac_power ?
skutable->SocketPowerLimitAc[PPT_THROTTLER_PPT0] :
skutable->SocketPowerLimitDc[PPT_THROTTLER_PPT0];
if (current_power_limit)
*current_power_limit = power_limit;
if (default_power_limit)
*default_power_limit = power_limit;
if (max_power_limit) {
if (smu->od_enabled) {
od_percent = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]);
dev_dbg(smu->adev->dev, "ODSETTING_POWERPERCENTAGE: %d (default: %d)\n", od_percent, power_limit);
power_limit *= (100 + od_percent);
power_limit /= 100;
}
*max_power_limit = power_limit;
}
return 0;
}
static int smu_v13_0_7_get_power_profile_mode(struct smu_context *smu, char *buf)
{
DpmActivityMonitorCoeffIntExternal_t activity_monitor_external[PP_SMC_POWER_PROFILE_COUNT];
@ -1539,6 +1576,8 @@ static const struct pptable_funcs smu_v13_0_7_ppt_funcs = {
.get_fan_control_mode = smu_v13_0_get_fan_control_mode,
.set_fan_control_mode = smu_v13_0_set_fan_control_mode,
.enable_mgpu_fan_boost = smu_v13_0_7_enable_mgpu_fan_boost,
.get_power_limit = smu_v13_0_7_get_power_limit,
.set_power_limit = smu_v13_0_set_power_limit,
.get_power_profile_mode = smu_v13_0_7_get_power_profile_mode,
.set_power_profile_mode = smu_v13_0_7_set_power_profile_mode,
.set_tool_table_location = smu_v13_0_set_tool_table_location,