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| author | Yang Wang <KevinYang.Wang@amd.com> | 2022-05-11 14:57:49 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-05-16 10:02:57 -0400 |
| commit | 1e46ab91e55c43445cf36c1e88a92914fa912bfb (patch) | |
| tree | 95b639d823bec3b419ee04d6118dd313d8eeb99e /drivers | |
| parent | d72a475b4881ccd5ee2cf6856b5b16fd030f11b9 (diff) | |
| download | linux-1e46ab91e55c43445cf36c1e88a92914fa912bfb.tar.bz2 | |
drm/amd/pm: add smu power_limit callback for smu_v13_0_7
- 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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c index 7c9e0ba7ab50..4e1861fb2c6a 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c @@ -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, |