drm/amd/powerplay: fix issue uvd dpm can't enabled on Polaris11.
[cascardo/linux.git] / drivers / gpu / drm / amd / powerplay / hwmgr / polaris10_hwmgr.c
index 20ccbc7..ec2a7ad 100644 (file)
@@ -98,6 +98,7 @@
 #define PCIE_BUS_CLK                10000
 #define TCLK                        (PCIE_BUS_CLK / 10)
 
+#define CEILING_UCHAR(double) ((double-(uint8_t)(double)) > 0 ? (uint8_t)(double+1) : (uint8_t)(double))
 
 static const uint16_t polaris10_clock_stretcher_lookup_table[2][4] =
 { {600, 1050, 3, 0}, {600, 1050, 6, 1} };
@@ -1422,22 +1423,19 @@ static int polaris10_populate_smc_acpi_level(struct pp_hwmgr *hwmgr,
 
        table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC;
 
-       if (!data->sclk_dpm_key_disabled) {
-               /* Get MinVoltage and Frequency from DPM0,
-                * already converted to SMC_UL */
-               sclk_frequency = data->dpm_table.sclk_table.dpm_levels[0].value;
-               result = polaris10_get_dependency_volt_by_clk(hwmgr,
-                               table_info->vdd_dep_on_sclk,
-                               table->ACPILevel.SclkFrequency,
-                               &table->ACPILevel.MinVoltage, &mvdd);
-               PP_ASSERT_WITH_CODE((0 == result),
-                               "Cannot find ACPI VDDC voltage value "
-                               "in Clock Dependency Table", );
-       } else {
-               sclk_frequency = data->vbios_boot_state.sclk_bootup_value;
-               table->ACPILevel.MinVoltage =
-                               data->vbios_boot_state.vddc_bootup_value * VOLTAGE_SCALE;
-       }
+
+       /* Get MinVoltage and Frequency from DPM0,
+        * already converted to SMC_UL */
+       sclk_frequency = data->dpm_table.sclk_table.dpm_levels[0].value;
+       result = polaris10_get_dependency_volt_by_clk(hwmgr,
+                       table_info->vdd_dep_on_sclk,
+                       sclk_frequency,
+                       &table->ACPILevel.MinVoltage, &mvdd);
+       PP_ASSERT_WITH_CODE((0 == result),
+                       "Cannot find ACPI VDDC voltage value "
+                       "in Clock Dependency Table",
+                       );
+
 
        result = polaris10_calculate_sclk_params(hwmgr, sclk_frequency,  &(table->ACPILevel.SclkSetting));
        PP_ASSERT_WITH_CODE(result == 0, "Error retrieving Engine Clock dividers from VBIOS.", return result);
@@ -1462,24 +1460,18 @@ static int polaris10_populate_smc_acpi_level(struct pp_hwmgr *hwmgr,
        CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Fcw1_frac);
        CONVERT_FROM_HOST_TO_SMC_US(table->ACPILevel.SclkSetting.Sclk_ss_slew_rate);
 
-       if (!data->mclk_dpm_key_disabled) {
-               /* Get MinVoltage and Frequency from DPM0, already converted to SMC_UL */
-               table->MemoryACPILevel.MclkFrequency =
-                               data->dpm_table.mclk_table.dpm_levels[0].value;
-               result = polaris10_get_dependency_volt_by_clk(hwmgr,
-                               table_info->vdd_dep_on_mclk,
-                               table->MemoryACPILevel.MclkFrequency,
-                               &table->MemoryACPILevel.MinVoltage, &mvdd);
-               PP_ASSERT_WITH_CODE((0 == result),
-                               "Cannot find ACPI VDDCI voltage value "
-                               "in Clock Dependency Table",
-                               );
-       } else {
-               table->MemoryACPILevel.MclkFrequency =
-                               data->vbios_boot_state.mclk_bootup_value;
-               table->MemoryACPILevel.MinVoltage =
-                               data->vbios_boot_state.vddci_bootup_value * VOLTAGE_SCALE;
-       }
+
+       /* Get MinVoltage and Frequency from DPM0, already converted to SMC_UL */
+       table->MemoryACPILevel.MclkFrequency =
+                       data->dpm_table.mclk_table.dpm_levels[0].value;
+       result = polaris10_get_dependency_volt_by_clk(hwmgr,
+                       table_info->vdd_dep_on_mclk,
+                       table->MemoryACPILevel.MclkFrequency,
+                       &table->MemoryACPILevel.MinVoltage, &mvdd);
+       PP_ASSERT_WITH_CODE((0 == result),
+                       "Cannot find ACPI VDDCI voltage value "
+                       "in Clock Dependency Table",
+                       );
 
        us_mvdd = 0;
        if ((POLARIS10_VOLTAGE_CONTROL_NONE == data->mvdd_control) ||
@@ -1524,6 +1516,7 @@ static int polaris10_populate_smc_vce_level(struct pp_hwmgr *hwmgr,
        struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table =
                        table_info->mm_dep_table;
        struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
+       uint32_t vddci;
 
        table->VceLevelCount = (uint8_t)(mm_table->count);
        table->VceBootLevel = 0;
@@ -1533,9 +1526,18 @@ static int polaris10_populate_smc_vce_level(struct pp_hwmgr *hwmgr,
                table->VceLevel[count].MinVoltage = 0;
                table->VceLevel[count].MinVoltage |=
                                (mm_table->entries[count].vddc * VOLTAGE_SCALE) << VDDC_SHIFT;
+
+               if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control)
+                       vddci = (uint32_t)phm_find_closest_vddci(&(data->vddci_voltage_table),
+                                               mm_table->entries[count].vddc - VDDC_VDDCI_DELTA);
+               else if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control)
+                       vddci = mm_table->entries[count].vddc - VDDC_VDDCI_DELTA;
+               else
+                       vddci = (data->vbios_boot_state.vddci_bootup_value * VOLTAGE_SCALE) << VDDCI_SHIFT;
+
+
                table->VceLevel[count].MinVoltage |=
-                               ((mm_table->entries[count].vddc - data->vddc_vddci_delta) *
-                                               VOLTAGE_SCALE) << VDDCI_SHIFT;
+                               (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT;
                table->VceLevel[count].MinVoltage |= 1 << PHASES_SHIFT;
 
                /*retrieve divider value for VBIOS */
@@ -1564,6 +1566,7 @@ static int polaris10_populate_smc_samu_level(struct pp_hwmgr *hwmgr,
        struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table =
                        table_info->mm_dep_table;
        struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
+       uint32_t vddci;
 
        table->SamuBootLevel = 0;
        table->SamuLevelCount = (uint8_t)(mm_table->count);
@@ -1574,8 +1577,16 @@ static int polaris10_populate_smc_samu_level(struct pp_hwmgr *hwmgr,
                table->SamuLevel[count].Frequency = mm_table->entries[count].samclock;
                table->SamuLevel[count].MinVoltage |= (mm_table->entries[count].vddc *
                                VOLTAGE_SCALE) << VDDC_SHIFT;
-               table->SamuLevel[count].MinVoltage |= ((mm_table->entries[count].vddc -
-                               data->vddc_vddci_delta) * VOLTAGE_SCALE) << VDDCI_SHIFT;
+
+               if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control)
+                       vddci = (uint32_t)phm_find_closest_vddci(&(data->vddci_voltage_table),
+                                               mm_table->entries[count].vddc - VDDC_VDDCI_DELTA);
+               else if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control)
+                       vddci = mm_table->entries[count].vddc - VDDC_VDDCI_DELTA;
+               else
+                       vddci = (data->vbios_boot_state.vddci_bootup_value * VOLTAGE_SCALE) << VDDCI_SHIFT;
+
+               table->SamuLevel[count].MinVoltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT;
                table->SamuLevel[count].MinVoltage |= 1 << PHASES_SHIFT;
 
                /* retrieve divider value for VBIOS */
@@ -1658,6 +1669,7 @@ static int polaris10_populate_smc_uvd_level(struct pp_hwmgr *hwmgr,
        struct phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table =
                        table_info->mm_dep_table;
        struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
+       uint32_t vddci;
 
        table->UvdLevelCount = (uint8_t)(mm_table->count);
        table->UvdBootLevel = 0;
@@ -1668,8 +1680,16 @@ static int polaris10_populate_smc_uvd_level(struct pp_hwmgr *hwmgr,
                table->UvdLevel[count].DclkFrequency = mm_table->entries[count].dclk;
                table->UvdLevel[count].MinVoltage |= (mm_table->entries[count].vddc *
                                VOLTAGE_SCALE) << VDDC_SHIFT;
-               table->UvdLevel[count].MinVoltage |= ((mm_table->entries[count].vddc -
-                               data->vddc_vddci_delta) * VOLTAGE_SCALE) << VDDCI_SHIFT;
+
+               if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control)
+                       vddci = (uint32_t)phm_find_closest_vddci(&(data->vddci_voltage_table),
+                                               mm_table->entries[count].vddc - VDDC_VDDCI_DELTA);
+               else if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control)
+                       vddci = mm_table->entries[count].vddc - VDDC_VDDCI_DELTA;
+               else
+                       vddci = (data->vbios_boot_state.vddci_bootup_value * VOLTAGE_SCALE) << VDDCI_SHIFT;
+
+               table->UvdLevel[count].MinVoltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT;
                table->UvdLevel[count].MinVoltage |= 1 << PHASES_SHIFT;
 
                /* retrieve divider value for VBIOS */
@@ -1690,8 +1710,8 @@ static int polaris10_populate_smc_uvd_level(struct pp_hwmgr *hwmgr,
                CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].VclkFrequency);
                CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].DclkFrequency);
                CONVERT_FROM_HOST_TO_SMC_UL(table->UvdLevel[count].MinVoltage);
-
        }
+
        return result;
 }
 
@@ -1787,20 +1807,27 @@ static int polaris10_populate_clock_stretcher_data_table(struct pp_hwmgr *hwmgr)
 
        ro = efuse * (max -min)/255 + min;
 
-       /* Populate Sclk_CKS_masterEn0_7 and Sclk_voltageOffset */
+       /* Populate Sclk_CKS_masterEn0_7 and Sclk_voltageOffset
+        * there is a little difference in calculating
+        * volt_with_cks with windows */
        for (i = 0; i < sclk_table->count; i++) {
                data->smc_state_table.Sclk_CKS_masterEn0_7 |=
                                sclk_table->entries[i].cks_enable << i;
-
-               volt_without_cks =  (uint32_t)(((ro - 40) * 1000 - 2753594 - sclk_table->entries[i].clk/100 * 136418 /1000) / \
-                                       (sclk_table->entries[i].clk/100 * 1132925 /10000 - 242418)/100);
-
-               volt_with_cks = (uint32_t)((ro * 1000 -2396351 - sclk_table->entries[i].clk/100 * 329021/1000) / \
-                               (sclk_table->entries[i].clk/10000 * 649434 /1000  - 18005)/10);
+               if (hwmgr->chip_id == CHIP_POLARIS10) {
+                       volt_without_cks = (uint32_t)((2753594000 + (sclk_table->entries[i].clk/100) * 136418 -(ro - 70) * 1000000) / \
+                                               (2424180 - (sclk_table->entries[i].clk/100) * 1132925/1000));
+                       volt_with_cks = (uint32_t)((279720200 + sclk_table->entries[i].clk * 3232 - (ro - 65) * 100000000) / \
+                                       (252248000 - sclk_table->entries[i].clk/100 * 115764));
+               } else {
+                       volt_without_cks = (uint32_t)((2416794800 + (sclk_table->entries[i].clk/100) * 1476925/10 -(ro - 50) * 1000000) / \
+                                               (2625416 - (sclk_table->entries[i].clk/100) * 12586807/10000));
+                       volt_with_cks = (uint32_t)((2999656000 + sclk_table->entries[i].clk * 392803/100 - (ro - 44) * 1000000) / \
+                                       (3422454 - sclk_table->entries[i].clk/100 * 18886376/10000));
+               }
 
                if (volt_without_cks >= volt_with_cks)
-                       volt_offset = (uint8_t)(((volt_without_cks - volt_with_cks +
-                                       sclk_table->entries[i].cks_voffset) * 100 / 625) + 1);
+                       volt_offset = (uint8_t)CEILING_UCHAR((volt_without_cks - volt_with_cks +
+                                       sclk_table->entries[i].cks_voffset) * 100 / 625);
 
                data->smc_state_table.Sclk_voltageOffset[i] = volt_offset;
        }
@@ -2916,6 +2943,31 @@ static int polaris10_set_private_data_based_on_pptable(struct pp_hwmgr *hwmgr)
        return 0;
 }
 
+int polaris10_patch_voltage_workaround(struct pp_hwmgr *hwmgr)
+{
+       struct phm_ppt_v1_information *table_info =
+                      (struct phm_ppt_v1_information *)(hwmgr->pptable);
+       struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table =
+                       table_info->vdd_dep_on_mclk;
+       struct phm_ppt_v1_voltage_lookup_table *lookup_table =
+                       table_info->vddc_lookup_table;
+       uint32_t i;
+
+       if (hwmgr->chip_id == CHIP_POLARIS10 && hwmgr->hw_revision == 0xC7) {
+               if (lookup_table->entries[dep_mclk_table->entries[dep_mclk_table->count-1].vddInd].us_vdd >= 1000)
+                       return 0;
+
+               for (i = 0; i < lookup_table->count; i++) {
+                       if (lookup_table->entries[i].us_vdd < 0xff01 && lookup_table->entries[i].us_vdd >= 1000) {
+                               dep_mclk_table->entries[dep_mclk_table->count-1].vddInd = (uint8_t) i;
+                               return 0;
+                       }
+               }
+       }
+       return 0;
+}
+
+
 int polaris10_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 {
        struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
@@ -2993,6 +3045,7 @@ int polaris10_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 
        polaris10_set_features_platform_caps(hwmgr);
 
+       polaris10_patch_voltage_workaround(hwmgr);
        polaris10_init_dpm_defaults(hwmgr);
 
        /* Get leakage voltage based on leakage ID. */