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| author | Evan Quan <evan.quan@amd.com> | 2022-03-31 17:50:13 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-05-05 16:50:25 -0400 |
| commit | fcd1ac96ccec4e761fd840a26f8b523df74d1d91 (patch) | |
| tree | 19bfe2e6fe78c9a3c5d3e0bd257214aad25636a1 | |
| parent | 38c1c73670bc5641208a6ab8c55ef2286f56f3a7 (diff) | |
| download | linux-stable-fcd1ac96ccec4e761fd840a26f8b523df74d1d91.tar.gz linux-stable-fcd1ac96ccec4e761fd840a26f8b523df74d1d91.tar.bz2 linux-stable-fcd1ac96ccec4e761fd840a26f8b523df74d1d91.zip | |
drm/amd/pm: enable power limit retrieving and setting for SMU 13.0.0
Fulfill the interfaces for retrieving and setting power limit on
SMU 13.0.0.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c index e4bc8d85b151..f4184ea90e86 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c @@ -114,6 +114,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_0_message_map[SMU_MSG_MAX_COUNT] = MSG_MAP(AllowGfxOff, PPSMC_MSG_AllowGfxOff, 0), MSG_MAP(DisallowGfxOff, PPSMC_MSG_DisallowGfxOff, 0), MSG_MAP(SetMGpuFanBoostLimitRpm, PPSMC_MSG_SetMGpuFanBoostLimitRpm, 0), + MSG_MAP(GetPptLimit, PPSMC_MSG_GetPptLimit, 0), }; static struct cmn2asic_mapping smu_v13_0_0_clk_map[SMU_CLK_COUNT] = { @@ -138,6 +139,7 @@ static struct cmn2asic_mapping smu_v13_0_0_feature_mask_map[SMU_FEATURE_COUNT] = [SMU_FEATURE_DPM_VCLK_BIT] = {1, FEATURE_MM_DPM_BIT}, [SMU_FEATURE_DPM_DCLK_BIT] = {1, FEATURE_MM_DPM_BIT}, [SMU_FEATURE_FAN_CONTROL_BIT] = {1, FEATURE_FAN_CONTROL_BIT}, + [SMU_FEATURE_PPT_BIT] = {1, FEATURE_THROTTLERS_BIT}, }; static struct cmn2asic_mapping smu_v13_0_0_table_map[SMU_TABLE_COUNT] = { @@ -1305,6 +1307,44 @@ static int smu_v13_0_0_enable_mgpu_fan_boost(struct smu_context *smu) NULL); } +static int smu_v13_0_0_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_0_powerplay_table *powerplay_table = + (struct smu_13_0_0_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_0_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 const struct pptable_funcs smu_v13_0_0_ppt_funcs = { .get_allowed_feature_mask = smu_v13_0_0_get_allowed_feature_mask, .set_default_dpm_table = smu_v13_0_0_set_default_dpm_table, @@ -1351,6 +1391,8 @@ static const struct pptable_funcs smu_v13_0_0_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_0_enable_mgpu_fan_boost, + .get_power_limit = smu_v13_0_0_get_power_limit, + .set_power_limit = smu_v13_0_set_power_limit, }; void smu_v13_0_0_set_ppt_funcs(struct smu_context *smu) |