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path: root/drivers/gpu/drm/radeon/radeon_atombios.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c76
1 files changed, 68 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 24ea683f7cf5..99bd8a9c56b3 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1538,7 +1538,8 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
rdev->pm.power_state[state_index].pcie_lanes =
power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
- if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+ if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
+ (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
rdev->pm.power_state[state_index].clock_info[0].voltage.type =
VOLTAGE_GPIO;
rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
@@ -1605,7 +1606,8 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
misc2 = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo2);
- if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+ if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
+ (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
rdev->pm.power_state[state_index].clock_info[0].voltage.type =
VOLTAGE_GPIO;
rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
@@ -1679,7 +1681,8 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
misc2 = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo2);
- if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+ if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
+ (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
rdev->pm.power_state[state_index].clock_info[0].voltage.type =
VOLTAGE_GPIO;
rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
@@ -1755,9 +1758,22 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
rdev->pm.power_state[state_index].misc2 = 0;
}
} else {
+ int fw_index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
+ uint8_t fw_frev, fw_crev;
+ uint16_t fw_data_offset, vddc = 0;
+ union firmware_info *firmware_info;
+ ATOM_PPLIB_THERMALCONTROLLER *controller = &power_info->info_4.sThermalController;
+
+ if (atom_parse_data_header(mode_info->atom_context, fw_index, NULL,
+ &fw_frev, &fw_crev, &fw_data_offset)) {
+ firmware_info =
+ (union firmware_info *)(mode_info->atom_context->bios +
+ fw_data_offset);
+ vddc = firmware_info->info_14.usBootUpVDDCVoltage;
+ }
+
/* add the i2c bus for thermal/fan chip */
/* no support for internal controller yet */
- ATOM_PPLIB_THERMALCONTROLLER *controller = &power_info->info_4.sThermalController;
if (controller->ucType > 0) {
if ((controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) ||
(controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) ||
@@ -1817,10 +1833,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
/* skip invalid modes */
if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
continue;
- rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
- VOLTAGE_SW;
- rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
- clock_info->usVDDC;
+ /* voltage works differently on IGPs */
mode_index++;
} else if (ASIC_IS_DCE4(rdev)) {
struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO *clock_info =
@@ -1904,6 +1917,16 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
rdev->pm.default_power_state_index = state_index;
rdev->pm.power_state[state_index].default_clock_mode =
&rdev->pm.power_state[state_index].clock_info[mode_index - 1];
+ /* patch the table values with the default slck/mclk from firmware info */
+ for (j = 0; j < mode_index; j++) {
+ rdev->pm.power_state[state_index].clock_info[j].mclk =
+ rdev->clock.default_mclk;
+ rdev->pm.power_state[state_index].clock_info[j].sclk =
+ rdev->clock.default_sclk;
+ if (vddc)
+ rdev->pm.power_state[state_index].clock_info[j].voltage.voltage =
+ vddc;
+ }
}
state_index++;
}
@@ -1943,6 +1966,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
rdev->pm.current_clock_mode_index = 0;
+ rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
}
void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
@@ -1998,6 +2022,42 @@ void radeon_atom_set_memory_clock(struct radeon_device *rdev,
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
+union set_voltage {
+ struct _SET_VOLTAGE_PS_ALLOCATION alloc;
+ struct _SET_VOLTAGE_PARAMETERS v1;
+ struct _SET_VOLTAGE_PARAMETERS_V2 v2;
+};
+
+void radeon_atom_set_voltage(struct radeon_device *rdev, u16 level)
+{
+ union set_voltage args;
+ int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
+ u8 frev, crev, volt_index = level;
+
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+ return;
+
+ switch (crev) {
+ case 1:
+ args.v1.ucVoltageType = SET_VOLTAGE_TYPE_ASIC_VDDC;
+ args.v1.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_ALL_SOURCE;
+ args.v1.ucVoltageIndex = volt_index;
+ break;
+ case 2:
+ args.v2.ucVoltageType = SET_VOLTAGE_TYPE_ASIC_VDDC;
+ args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_SET_VOLTAGE;
+ args.v2.usVoltageLevel = cpu_to_le16(level);
+ break;
+ default:
+ DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
+ return;
+ }
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+
+
void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev)
{
struct radeon_device *rdev = dev->dev_private;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 13:32:22 +0000