From: Asad Kamal <[email protected]> Add ppt1 support for smu_v15_0_8
Signed-off-by: Asad Kamal <[email protected]> Reviewed-by: Lijo Lazar <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- .../drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c | 75 ++++++++++++++++++- 1 file changed, 74 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c index 7a5582253f5d4..7dc5100700808 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c @@ -1715,6 +1715,78 @@ static int smu_v15_0_8_get_thermal_temperature_range(struct smu_context *smu, return 0; } +static int smu_v15_0_8_set_power_limit(struct smu_context *smu, + enum smu_ppt_limit_type limit_type, + uint32_t limit) +{ + struct smu_table_context *smu_table = &smu->smu_table; + PPTable_t *pptable = (PPTable_t *)smu_table->driver_pptable; + int ret; + + if (limit_type == SMU_FAST_PPT_LIMIT) { + if (!pptable->PPT1Max) + return -EOPNOTSUPP; + + if (limit > pptable->PPT1Max || limit < pptable->PPT1Min) { + dev_err(smu->adev->dev, + "New PPT1 limit (%d) should be between min %d and max %d\n", + limit, pptable->PPT1Min, pptable->PPT1Max); + return -EINVAL; + } + + ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetFastPptLimit, + limit, NULL); + if (ret) + dev_err(smu->adev->dev, "Set fast PPT limit failed!\n"); + + return ret; + } + + return smu_v15_0_set_power_limit(smu, limit_type, limit); +} + +static int smu_v15_0_8_get_ppt_limit(struct smu_context *smu, + uint32_t *ppt_limit, + enum smu_ppt_limit_type type, + enum smu_ppt_limit_level level) +{ + struct smu_table_context *smu_table = &smu->smu_table; + PPTable_t *pptable = (PPTable_t *)smu_table->driver_pptable; + int ret = 0; + + if (!ppt_limit) + return -EINVAL; + + if (type == SMU_FAST_PPT_LIMIT) { + if (!pptable->PPT1Max) + return -EOPNOTSUPP; + + switch (level) { + case SMU_PPT_LIMIT_MAX: + *ppt_limit = pptable->PPT1Max; + break; + case SMU_PPT_LIMIT_CURRENT: + ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetFastPptLimit, + ppt_limit); + if (ret) + dev_err(smu->adev->dev, + "Get fast PPT limit failed!\n"); + break; + case SMU_PPT_LIMIT_DEFAULT: + *ppt_limit = pptable->PPT1Default; + break; + case SMU_PPT_LIMIT_MIN: + *ppt_limit = pptable->PPT1Min; + break; + default: + return -EOPNOTSUPP; + } + return ret; + } + + return -EOPNOTSUPP; +} + static const struct pptable_funcs smu_v15_0_8_ppt_funcs = { .init_allowed_features = smu_v15_0_8_init_allowed_features, .set_default_dpm_table = smu_v15_0_8_set_default_dpm_table, @@ -1741,7 +1813,8 @@ static const struct pptable_funcs smu_v15_0_8_ppt_funcs = { .get_gpu_metrics = smu_v15_0_8_get_gpu_metrics, .get_unique_id = smu_v15_0_8_get_unique_id, .get_power_limit = smu_v15_0_8_get_power_limit, - .set_power_limit = smu_v15_0_set_power_limit, + .set_power_limit = smu_v15_0_8_set_power_limit, + .get_ppt_limit = smu_v15_0_8_get_ppt_limit, .emit_clk_levels = smu_v15_0_8_emit_clk_levels, .populate_umd_state_clk = smu_v15_0_8_populate_umd_state_clk, .set_performance_level = smu_v15_0_8_set_performance_level, -- 2.53.0
