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| author | Ma Jun <Jun.Ma2@amd.com> | 2023-10-12 04:33:45 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-20 22:11:26 +0300 |
| commit | 1958946858a62b6b5392ed075aa219d199bcae39 (patch) | |
| tree | 061a7c965efd985893d23a06ce59ed674a73f197 /drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | |
| parent | afcf949cf331de791e3fbfc65c0bb82dd9df6d57 (diff) | |
| download | linux-1958946858a62b6b5392ed075aa219d199bcae39.tar.xz | |
drm/amd/pm: Support for getting power1_cap_min value
Support for getting power1_cap_min value on smu13 and smu11.
For other Asics, we still use 0 as the default value.
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c index bbe0cb68ca30..a38233cc5b7f 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -2330,15 +2330,16 @@ static int navi10_display_disable_memory_clock_switch(struct smu_context *smu, } static int navi10_get_power_limit(struct smu_context *smu, - uint32_t *current_power_limit, - uint32_t *default_power_limit, - uint32_t *max_power_limit) + uint32_t *current_power_limit, + uint32_t *default_power_limit, + uint32_t *max_power_limit, + uint32_t *min_power_limit) { struct smu_11_0_powerplay_table *powerplay_table = (struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table; struct smu_11_0_overdrive_table *od_settings = smu->od_settings; PPTable_t *pptable = smu->smu_table.driver_pptable; - uint32_t power_limit, od_percent; + uint32_t power_limit, od_percent_upper, od_percent_lower; if (smu_v11_0_get_current_power_limit(smu, &power_limit)) { /* the last hope to figure out the ppt limit */ @@ -2355,18 +2356,26 @@ static int navi10_get_power_limit(struct smu_context *smu, if (default_power_limit) *default_power_limit = power_limit; - if (max_power_limit) { - if (smu->od_enabled && + if (smu->od_enabled && navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT)) { - od_percent = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + } else { + od_percent_upper = 0; + od_percent_lower = 100; + } - dev_dbg(smu->adev->dev, "ODSETTING_POWERPERCENTAGE: %d (default: %d)\n", od_percent, power_limit); + dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n", + od_percent_upper, od_percent_lower, power_limit); - power_limit *= (100 + od_percent); - power_limit /= 100; - } + if (max_power_limit) { + *max_power_limit = power_limit * (100 + od_percent_upper); + *max_power_limit /= 100; + } - *max_power_limit = power_limit; + if (min_power_limit) { + *min_power_limit = power_limit * (100 - od_percent_lower); + *min_power_limit /= 100; } return 0; |