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drm/radeon: update radeon_atom_get_voltage_table() for SI

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

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-02-13 17:29:54 -05:00
parent 58653abdd2
commit 6517194417
4 changed files with 69 additions and 28 deletions
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4
drivers/gpu/drm/radeon/cypress_dpm.c
View File

@ -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;

2
drivers/gpu/drm/radeon/radeon.h
View File

@ -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);

42
drivers/gpu/drm/radeon/radeon_atombios.c
View File

@ -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);
@ -3386,6 +3386,9 @@ 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 (frev) {
case 1:
case 2:
switch (crev) {
case 1:
DRM_ERROR("old table version %d, %d\n", frev, crev);
@ -3420,7 +3423,44 @@ int radeon_atom_get_voltage_table(struct radeon_device *rdev,
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;
}

1
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -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];
};