drm/amd/pm: Add ppt1 support

Add ppt1 support for smu_v15_0_8

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 904779f67b0630e11d2ce32b6d096e14880a1012..abfaf8b06e5020644c40564a864f8283feab7cfa 100644 (file)
--- 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,