Commit 61b7d601 authored by Alex Deucher's avatar Alex Deucher

drm/radeon/dpm: add helpers for extended power tables (v2)

This data will be needed for dpm on newer asics.

v2: fix typo in rebase
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8a227555
......@@ -721,3 +721,182 @@ bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor)
return false;
}
}
union power_info {
struct _ATOM_POWERPLAY_INFO info;
struct _ATOM_POWERPLAY_INFO_V2 info_2;
struct _ATOM_POWERPLAY_INFO_V3 info_3;
struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
struct _ATOM_PPLIB_POWERPLAYTABLE4 pplib4;
struct _ATOM_PPLIB_POWERPLAYTABLE5 pplib5;
};
union fan_info {
struct _ATOM_PPLIB_FANTABLE fan;
struct _ATOM_PPLIB_FANTABLE2 fan2;
};
static int r600_parse_clk_voltage_dep_table(struct radeon_clock_voltage_dependency_table *radeon_table,
ATOM_PPLIB_Clock_Voltage_Dependency_Table *atom_table)
{
u32 size = atom_table->ucNumEntries *
sizeof(struct radeon_clock_voltage_dependency_entry);
int i;
radeon_table->entries = kzalloc(size, GFP_KERNEL);
if (!radeon_table->entries)
return -ENOMEM;
for (i = 0; i < atom_table->ucNumEntries; i++) {
radeon_table->entries[i].clk = le16_to_cpu(atom_table->entries[i].usClockLow) |
(atom_table->entries[i].ucClockHigh << 16);
radeon_table->entries[i].v = le16_to_cpu(atom_table->entries[i].usVoltage);
}
radeon_table->count = atom_table->ucNumEntries;
return 0;
}
int r600_parse_extended_power_table(struct radeon_device *rdev)
{
struct radeon_mode_info *mode_info = &rdev->mode_info;
union power_info *power_info;
union fan_info *fan_info;
ATOM_PPLIB_Clock_Voltage_Dependency_Table *dep_table;
int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
u16 data_offset;
u8 frev, crev;
int ret, i;
if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
&frev, &crev, &data_offset))
return -EINVAL;
power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
/* fan table */
if (power_info->pplib.usTableSize >= sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
if (power_info->pplib3.usFanTableOffset) {
fan_info = (union fan_info *)(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib3.usFanTableOffset));
rdev->pm.dpm.fan.t_hyst = fan_info->fan.ucTHyst;
rdev->pm.dpm.fan.t_min = le16_to_cpu(fan_info->fan.usTMin);
rdev->pm.dpm.fan.t_med = le16_to_cpu(fan_info->fan.usTMed);
rdev->pm.dpm.fan.t_high = le16_to_cpu(fan_info->fan.usTHigh);
rdev->pm.dpm.fan.pwm_min = le16_to_cpu(fan_info->fan.usPWMMin);
rdev->pm.dpm.fan.pwm_med = le16_to_cpu(fan_info->fan.usPWMMed);
rdev->pm.dpm.fan.pwm_high = le16_to_cpu(fan_info->fan.usPWMHigh);
if (fan_info->fan.ucFanTableFormat >= 2)
rdev->pm.dpm.fan.t_max = le16_to_cpu(fan_info->fan2.usTMax);
else
rdev->pm.dpm.fan.t_max = 10900;
rdev->pm.dpm.fan.cycle_delay = 100000;
rdev->pm.dpm.fan.ucode_fan_control = true;
}
}
/* clock dependancy tables */
if (power_info->pplib.usTableSize >= sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE4)) {
if (power_info->pplib4.usVddcDependencyOnSCLKOffset) {
dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib4.usVddcDependencyOnSCLKOffset));
ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
dep_table);
if (ret)
return ret;
}
if (power_info->pplib4.usVddciDependencyOnMCLKOffset) {
dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib4.usVddciDependencyOnMCLKOffset));
ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
dep_table);
if (ret) {
kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
return ret;
}
}
if (power_info->pplib4.usVddcDependencyOnMCLKOffset) {
dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib4.usVddcDependencyOnMCLKOffset));
ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
dep_table);
if (ret) {
kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
return ret;
}
}
if (power_info->pplib4.usMaxClockVoltageOnDCOffset) {
ATOM_PPLIB_Clock_Voltage_Limit_Table *clk_v =
(ATOM_PPLIB_Clock_Voltage_Limit_Table *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib4.usMaxClockVoltageOnDCOffset));
if (clk_v->ucNumEntries) {
rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk =
le16_to_cpu(clk_v->entries[0].usSclkLow) |
(clk_v->entries[0].ucSclkHigh << 16);
rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk =
le16_to_cpu(clk_v->entries[0].usMclkLow) |
(clk_v->entries[0].ucMclkHigh << 16);
rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc =
le16_to_cpu(clk_v->entries[0].usVddc);
rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddci =
le16_to_cpu(clk_v->entries[0].usVddci);
}
}
}
/* cac data */
if (power_info->pplib.usTableSize >= sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE5)) {
rdev->pm.dpm.tdp_limit = le32_to_cpu(power_info->pplib5.ulTDPLimit);
rdev->pm.dpm.near_tdp_limit = le32_to_cpu(power_info->pplib5.ulNearTDPLimit);
rdev->pm.dpm.tdp_od_limit = le16_to_cpu(power_info->pplib5.usTDPODLimit);
if (rdev->pm.dpm.tdp_od_limit)
rdev->pm.dpm.power_control = true;
else
rdev->pm.dpm.power_control = false;
rdev->pm.dpm.tdp_adjustment = 0;
rdev->pm.dpm.sq_ramping_threshold = le32_to_cpu(power_info->pplib5.ulSQRampingThreshold);
rdev->pm.dpm.cac_leakage = le32_to_cpu(power_info->pplib5.ulCACLeakage);
rdev->pm.dpm.load_line_slope = le16_to_cpu(power_info->pplib5.usLoadLineSlope);
if (power_info->pplib5.usCACLeakageTableOffset) {
ATOM_PPLIB_CAC_Leakage_Table *cac_table =
(ATOM_PPLIB_CAC_Leakage_Table *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib5.usCACLeakageTableOffset));
u32 size = cac_table->ucNumEntries * sizeof(struct radeon_cac_leakage_table);
rdev->pm.dpm.dyn_state.cac_leakage_table.entries = kzalloc(size, GFP_KERNEL);
if (!rdev->pm.dpm.dyn_state.cac_leakage_table.entries) {
kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
return -ENOMEM;
}
for (i = 0; i < cac_table->ucNumEntries; i++) {
rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc =
le16_to_cpu(cac_table->entries[i].usVddc);
rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage =
le32_to_cpu(cac_table->entries[i].ulLeakageValue);
}
rdev->pm.dpm.dyn_state.cac_leakage_table.count = cac_table->ucNumEntries;
}
}
return 0;
}
void r600_free_extended_power_table(struct radeon_device *rdev)
{
if (rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries)
kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
if (rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries)
kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
if (rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries)
kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries)
kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries);
}
......@@ -215,4 +215,7 @@ int r600_set_thermal_temperature_range(struct radeon_device *rdev,
int min_temp, int max_temp);
bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor);
int r600_parse_extended_power_table(struct radeon_device *rdev);
void r600_free_extended_power_table(struct radeon_device *rdev);
#endif
......@@ -1217,6 +1217,66 @@ struct radeon_dpm_thermal {
bool high_to_low;
};
struct radeon_clock_and_voltage_limits {
u32 sclk;
u32 mclk;
u32 vddc;
u32 vddci;
};
struct radeon_clock_array {
u32 count;
u32 *values;
};
struct radeon_clock_voltage_dependency_entry {
u32 clk;
u16 v;
};
struct radeon_clock_voltage_dependency_table {
u32 count;
struct radeon_clock_voltage_dependency_entry *entries;
};
struct radeon_cac_leakage_entry {
u16 vddc;
u32 leakage;
};
struct radeon_cac_leakage_table {
u32 count;
struct radeon_cac_leakage_entry *entries;
};
struct radeon_dpm_dynamic_state {
struct radeon_clock_voltage_dependency_table vddc_dependency_on_sclk;
struct radeon_clock_voltage_dependency_table vddci_dependency_on_mclk;
struct radeon_clock_voltage_dependency_table vddc_dependency_on_mclk;
struct radeon_clock_array valid_sclk_values;
struct radeon_clock_array valid_mclk_values;
struct radeon_clock_and_voltage_limits max_clock_voltage_on_dc;
struct radeon_clock_and_voltage_limits max_clock_voltage_on_ac;
u32 mclk_sclk_ratio;
u32 sclk_mclk_delta;
u16 vddc_vddci_delta;
u16 min_vddc_for_pcie_gen2;
struct radeon_cac_leakage_table cac_leakage_table;
};
struct radeon_dpm_fan {
u16 t_min;
u16 t_med;
u16 t_high;
u16 pwm_min;
u16 pwm_med;
u16 pwm_high;
u8 t_hyst;
u32 cycle_delay;
u16 t_max;
bool ucode_fan_control;
};
struct radeon_dpm {
struct radeon_ps *ps;
/* number of valid power states */
......@@ -1239,6 +1299,16 @@ struct radeon_dpm {
int new_active_crtc_count;
u32 current_active_crtcs;
int current_active_crtc_count;
struct radeon_dpm_dynamic_state dyn_state;
struct radeon_dpm_fan fan;
u32 tdp_limit;
u32 near_tdp_limit;
u32 sq_ramping_threshold;
u32 cac_leakage;
u16 tdp_od_limit;
u32 tdp_adjustment;
u16 load_line_slope;
bool power_control;
/* special states active */
bool thermal_active;
bool uvd_active;
......
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