drm/amd/pm: update SMU13.0.0 reported maximum shader clock

From Evan Quan
9d455cb89dc576f752beebcadc823511882fb321 in linux-6.1.y/6.1.4
7a18e089eff02f17eaee49fc18641f5d16a8284b in mainline linux

diff --git a/sys/dev/pci/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/sys/dev/pci/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index f4c5d6c..1668c0d 100644 (file)
--- a/sys/dev/pci/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/sys/dev/pci/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -517,6 +517,23 @@ static int smu_v13_0_0_set_default_dpm_table(struct smu_context *smu)
                                                     dpm_table);
                if (ret)
                        return ret;
+
+               /*
+                * Update the reported maximum shader clock to the value
+                * which can be guarded to be achieved on all cards. This
+                * is aligned with Window setting. And considering that value
+                * might be not the peak frequency the card can achieve, it
+                * is normal some real-time clock frequency can overtake this
+                * labelled maximum clock frequency(for example in pp_dpm_sclk
+                * sysfs output).
+                */
+               if (skutable->DriverReportedClocks.GameClockAc &&
+                   (dpm_table->dpm_levels[dpm_table->count - 1].value >
+                   skutable->DriverReportedClocks.GameClockAc)) {
+                       dpm_table->dpm_levels[dpm_table->count - 1].value =
+                               skutable->DriverReportedClocks.GameClockAc;
+                       dpm_table->max = skutable->DriverReportedClocks.GameClockAc;
+               }
        } else {
                dpm_table->count = 1;
                dpm_table->dpm_levels[0].value = smu->smu_table.boot_values.gfxclk / 100;
@@ -779,6 +796,57 @@ static int smu_v13_0_0_get_smu_metrics_data(struct smu_context *smu,
        return ret;
 }
 
+static int smu_v13_0_0_get_dpm_ultimate_freq(struct smu_context *smu,
+                                            enum smu_clk_type clk_type,
+                                            uint32_t *min,
+                                            uint32_t *max)
+{
+       struct smu_13_0_dpm_context *dpm_context =
+               smu->smu_dpm.dpm_context;
+       struct smu_13_0_dpm_table *dpm_table;
+
+       switch (clk_type) {
+       case SMU_MCLK:
+       case SMU_UCLK:
+               /* uclk dpm table */
+               dpm_table = &dpm_context->dpm_tables.uclk_table;
+               break;
+       case SMU_GFXCLK:
+       case SMU_SCLK:
+               /* gfxclk dpm table */
+               dpm_table = &dpm_context->dpm_tables.gfx_table;
+               break;
+       case SMU_SOCCLK:
+               /* socclk dpm table */
+               dpm_table = &dpm_context->dpm_tables.soc_table;
+               break;
+       case SMU_FCLK:
+               /* fclk dpm table */
+               dpm_table = &dpm_context->dpm_tables.fclk_table;
+               break;
+       case SMU_VCLK:
+       case SMU_VCLK1:
+               /* vclk dpm table */
+               dpm_table = &dpm_context->dpm_tables.vclk_table;
+               break;
+       case SMU_DCLK:
+       case SMU_DCLK1:
+               /* dclk dpm table */
+               dpm_table = &dpm_context->dpm_tables.dclk_table;
+               break;
+       default:
+               dev_err(smu->adev->dev, "Unsupported clock type!\n");
+               return -EINVAL;
+       }
+
+       if (min)
+               *min = dpm_table->min;
+       if (max)
+               *max = dpm_table->max;
+
+       return 0;
+}
+
 static int smu_v13_0_0_read_sensor(struct smu_context *smu,
                                   enum amd_pp_sensors sensor,
                                   void *data,
@@ -1817,7 +1885,7 @@ static const struct pptable_funcs smu_v13_0_0_ppt_funcs = {
        .get_enabled_mask = smu_cmn_get_enabled_mask,
        .dpm_set_vcn_enable = smu_v13_0_set_vcn_enable,
        .dpm_set_jpeg_enable = smu_v13_0_set_jpeg_enable,
-       .get_dpm_ultimate_freq = smu_v13_0_get_dpm_ultimate_freq,
+       .get_dpm_ultimate_freq = smu_v13_0_0_get_dpm_ultimate_freq,
        .get_vbios_bootup_values = smu_v13_0_get_vbios_bootup_values,
        .read_sensor = smu_v13_0_0_read_sensor,
        .feature_is_enabled = smu_cmn_feature_is_enabled,