drm/radeon: update radeon_atom_get_voltage_table() for SI

SI uses a new atom table revision.  Required for DPM on SI.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
index 7108580..c7cb19e 100644 (file)
--- a/drivers/gpu/drm/radeon/cypress_dpm.c
+++ b/drivers/gpu/drm/radeon/cypress_dpm.c
@@ -1478,7 +1478,7 @@ int cypress_construct_voltage_tables(struct radeon_device *rdev)
        struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
        int ret;
 
-       ret = radeon_atom_get_voltage_table(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
+       ret = radeon_atom_get_voltage_table(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0,
                                            &eg_pi->vddc_voltage_table);
        if (ret)
                return ret;
@@ -1488,7 +1488,7 @@ int cypress_construct_voltage_tables(struct radeon_device *rdev)
                                                              &eg_pi->vddc_voltage_table);
 
        if (eg_pi->vddci_control) {
-               ret = radeon_atom_get_voltage_table(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI,
+               ret = radeon_atom_get_voltage_table(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0,
                                                    &eg_pi->vddci_voltage_table);
                if (ret)
                        return ret;

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index fdc36e8..c43b54b 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -242,7 +242,7 @@ int radeon_atom_get_min_voltage(struct radeon_device *rdev,
 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
                                u8 voltage_type, u16 *max_voltage);
 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
-                                 u8 voltage_type,
+                                 u8 voltage_type, u8 voltage_mode,
                                  struct atom_voltage_table *voltage_table);
 bool radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
                                 u8 voltage_type, u8 voltage_mode);

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 0da95eb..830c558 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -3372,7 +3372,7 @@ int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
 }
 
 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
-                                 u8 voltage_type,
+                                 u8 voltage_type, u8 voltage_mode,
                                  struct atom_voltage_table *voltage_table)
 {
        int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
@@ -3386,41 +3386,81 @@ int radeon_atom_get_voltage_table(struct radeon_device *rdev,
                voltage_info = (union voltage_object_info *)
                        (rdev->mode_info.atom_context->bios + data_offset);
 
-               switch (crev) {
+               switch (frev) {
                case 1:
-                       DRM_ERROR("old table version %d, %d\n", frev, crev);
-                       return -EINVAL;
                case 2:
-                       num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
-                               sizeof(ATOM_VOLTAGE_OBJECT_INFO_V2);
+                       switch (crev) {
+                       case 1:
+                               DRM_ERROR("old table version %d, %d\n", frev, crev);
+                               return -EINVAL;
+                       case 2:
+                               num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
+                                       sizeof(ATOM_VOLTAGE_OBJECT_INFO_V2);
 
-                       for (i = 0; i < num_indices; i++) {
-                               if (voltage_info->v2.asVoltageObj[i].ucVoltageType == voltage_type) {
-                                       ATOM_VOLTAGE_FORMULA_V2 *formula =
-                                               &voltage_info->v2.asVoltageObj[i].asFormula;
-                                       if (formula->ucNumOfVoltageEntries > MAX_VOLTAGE_ENTRIES)
-                                               return -EINVAL;
-                                       for (j = 0; j < formula->ucNumOfVoltageEntries; j++) {
-                                               voltage_table->entries[j].value =
-                                                       le16_to_cpu(formula->asVIDAdjustEntries[j].usVoltageValue);
-                                               ret = radeon_atom_get_voltage_gpio_settings(rdev,
-                                                                                           voltage_table->entries[j].value,
-                                                                                           voltage_type,
-                                                                                           &voltage_table->entries[j].smio_low,
-                                                                                           &voltage_table->mask_low);
-                                               if (ret)
-                                                       return ret;
+                               for (i = 0; i < num_indices; i++) {
+                                       if (voltage_info->v2.asVoltageObj[i].ucVoltageType == voltage_type) {
+                                               ATOM_VOLTAGE_FORMULA_V2 *formula =
+                                                       &voltage_info->v2.asVoltageObj[i].asFormula;
+                                               if (formula->ucNumOfVoltageEntries > MAX_VOLTAGE_ENTRIES)
+                                                       return -EINVAL;
+                                               for (j = 0; j < formula->ucNumOfVoltageEntries; j++) {
+                                                       voltage_table->entries[j].value =
+                                                               le16_to_cpu(formula->asVIDAdjustEntries[j].usVoltageValue);
+                                                       ret = radeon_atom_get_voltage_gpio_settings(rdev,
+                                                                                                   voltage_table->entries[j].value,
+                                                                                                   voltage_type,
+                                                                                                   &voltage_table->entries[j].smio_low,
+                                                                                                   &voltage_table->mask_low);
+                                                       if (ret)
+                                                               return ret;
+                                               }
+                                               voltage_table->count = formula->ucNumOfVoltageEntries;
+                                               return 0;
                                        }
-                                       voltage_table->count = formula->ucNumOfVoltageEntries;
-                                       return 0;
                                }
+                               break;
+                       default:
+                               DRM_ERROR("unknown voltage object table\n");
+                               return -EINVAL;
+                       }
+                       break;
+               case 3:
+                       switch (crev) {
+                       case 1:
+                               num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
+                                       sizeof(ATOM_VOLTAGE_OBJECT_INFO_V3_1);
+
+                               for (i = 0; i < num_indices; i++) {
+                                       if ((voltage_info->v3.asVoltageObj[i].asGpioVoltageObj.sHeader.ucVoltageType ==
+                                            voltage_type) &&
+                                           (voltage_info->v3.asVoltageObj[i].asGpioVoltageObj.sHeader.ucVoltageMode ==
+                                            voltage_mode)) {
+                                               ATOM_GPIO_VOLTAGE_OBJECT_V3 *gpio =
+                                                       &voltage_info->v3.asVoltageObj[i].asGpioVoltageObj;
+                                               if (gpio->ucGpioEntryNum > MAX_VOLTAGE_ENTRIES)
+                                                       return -EINVAL;
+                                               for (j = 0; j < gpio->ucGpioEntryNum; j++) {
+                                                       voltage_table->entries[j].value =
+                                                               le16_to_cpu(gpio->asVolGpioLut[j].usVoltageValue);
+                                                       voltage_table->entries[j].smio_low =
+                                                               le32_to_cpu(gpio->asVolGpioLut[j].ulVoltageId);
+                                               }
+                                               voltage_table->mask_low = le32_to_cpu(gpio->ulGpioMaskVal);
+                                               voltage_table->count = gpio->ucGpioEntryNum;
+                                               voltage_table->phase_delay = gpio->ucPhaseDelay;
+                                               return 0;
+                                       }
+                               }
+                               break;
+                       default:
+                               DRM_ERROR("unknown voltage object table\n");
+                               return -EINVAL;
                        }
                        break;
                default:
                        DRM_ERROR("unknown voltage object table\n");
                        return -EINVAL;
                }
-
        }
        return -EINVAL;
 }

diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index e5ea915..7cc13ba 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -597,6 +597,7 @@ struct atom_voltage_table
 {
        u32 count;
        u32 mask_low;
+       u32 phase_delay;
        struct atom_voltage_table_entry entries[MAX_VOLTAGE_ENTRIES];
 };