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drm/radeon/kms/atom: add support for SI SetVoltage table

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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2012-03-20 17:18:08 -04:00 committed by Dave Airlie
parent 2d415869f1
commit e83753bb61
2 changed files with 33 additions and 7 deletions
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1
drivers/gpu/drm/radeon/radeon.h
View File

@ -236,7 +236,6 @@ void radeon_pm_resume(struct radeon_device *rdev);
void radeon_combios_get_power_modes(struct radeon_device *rdev); void radeon_combios_get_power_modes(struct radeon_device *rdev);
void radeon_atombios_get_power_modes(struct radeon_device *rdev); void radeon_atombios_get_power_modes(struct radeon_device *rdev);
void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type); void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
int radeon_atom_get_max_vddc(struct radeon_device *rdev, u16 *voltage);
void rs690_pm_info(struct radeon_device *rdev); void rs690_pm_info(struct radeon_device *rdev);
extern int rv6xx_get_temp(struct radeon_device *rdev); extern int rv6xx_get_temp(struct radeon_device *rdev);
extern int rv770_get_temp(struct radeon_device *rdev); extern int rv770_get_temp(struct radeon_device *rdev);

39
drivers/gpu/drm/radeon/radeon_atombios.c
View File

@ -56,6 +56,10 @@ extern void
radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum, radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
uint32_t supported_device); uint32_t supported_device);
/* local */
static int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
u16 voltage_id, u16 *voltage);
union atom_supported_devices { union atom_supported_devices {
struct _ATOM_SUPPORTED_DEVICES_INFO info; struct _ATOM_SUPPORTED_DEVICES_INFO info;
struct _ATOM_SUPPORTED_DEVICES_INFO_2 info_2; struct _ATOM_SUPPORTED_DEVICES_INFO_2 info_2;
@ -2283,6 +2287,7 @@ static bool radeon_atombios_parse_pplib_clock_info(struct radeon_device *rdev,
union pplib_clock_info *clock_info) union pplib_clock_info *clock_info)
{ {
u32 sclk, mclk; u32 sclk, mclk;
u16 vddc;
if (rdev->flags & RADEON_IS_IGP) { if (rdev->flags & RADEON_IS_IGP) {
if (rdev->family >= CHIP_PALM) { if (rdev->family >= CHIP_PALM) {
@ -2321,11 +2326,18 @@ static bool radeon_atombios_parse_pplib_clock_info(struct radeon_device *rdev,
} }
/* patch up vddc if necessary */ /* patch up vddc if necessary */
if (rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage == 0xff01) { switch (rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage) {
u16 vddc; case ATOM_VIRTUAL_VOLTAGE_ID0:
case ATOM_VIRTUAL_VOLTAGE_ID1:
if (radeon_atom_get_max_vddc(rdev, &vddc) == 0) case ATOM_VIRTUAL_VOLTAGE_ID2:
case ATOM_VIRTUAL_VOLTAGE_ID3:
if (radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC,
rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage,
&vddc) == 0)
rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage = vddc; rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage = vddc;
break;
default:
break;
} }
if (rdev->flags & RADEON_IS_IGP) { if (rdev->flags & RADEON_IS_IGP) {
@ -2640,6 +2652,7 @@ union set_voltage {
struct _SET_VOLTAGE_PS_ALLOCATION alloc; struct _SET_VOLTAGE_PS_ALLOCATION alloc;
struct _SET_VOLTAGE_PARAMETERS v1; struct _SET_VOLTAGE_PARAMETERS v1;
struct _SET_VOLTAGE_PARAMETERS_V2 v2; struct _SET_VOLTAGE_PARAMETERS_V2 v2;
struct _SET_VOLTAGE_PARAMETERS_V1_3 v3;
}; };
void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type) void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type)
@ -2666,6 +2679,11 @@ void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 v
args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_SET_VOLTAGE; args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_SET_VOLTAGE;
args.v2.usVoltageLevel = cpu_to_le16(voltage_level); args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
break; break;
case 3:
args.v3.ucVoltageType = voltage_type;
args.v3.ucVoltageMode = ATOM_SET_VOLTAGE;
args.v3.usVoltageLevel = cpu_to_le16(voltage_level);
break;
default: default:
DRM_ERROR("Unknown table version %d, %d\n", frev, crev); DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
return; return;
@ -2674,8 +2692,8 @@ void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 v
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
} }
int radeon_atom_get_max_vddc(struct radeon_device *rdev, static int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
u16 *voltage) u16 voltage_id, u16 *voltage)
{ {
union set_voltage args; union set_voltage args;
int index = GetIndexIntoMasterTable(COMMAND, SetVoltage); int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
@ -2696,6 +2714,15 @@ int radeon_atom_get_max_vddc(struct radeon_device *rdev,
*voltage = le16_to_cpu(args.v2.usVoltageLevel); *voltage = le16_to_cpu(args.v2.usVoltageLevel);
break; break;
case 3:
args.v3.ucVoltageType = voltage_type;
args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL;
args.v3.usVoltageLevel = cpu_to_le16(voltage_id);
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
*voltage = le16_to_cpu(args.v3.usVoltageLevel);
break;
default: default:
DRM_ERROR("Unknown table version %d, %d\n", frev, crev); DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
return -EINVAL; return -EINVAL;