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path: root/drivers/gpu/drm/radeon/r600_dpm.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r600_dpm.c')
-rw-r--r--drivers/gpu/drm/radeon/r600_dpm.c300
1 files changed, 277 insertions, 23 deletions
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index e5c860f4ccbe..fa0de46fcc0d 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -174,6 +174,24 @@ u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
return vblank_time_us;
}
+u32 r600_dpm_get_vrefresh(struct radeon_device *rdev)
+{
+ struct drm_device *dev = rdev->ddev;
+ struct drm_crtc *crtc;
+ struct radeon_crtc *radeon_crtc;
+ u32 vrefresh = 0;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ radeon_crtc = to_radeon_crtc(crtc);
+ if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
+ vrefresh = radeon_crtc->hw_mode.vrefresh;
+ break;
+ }
+ }
+
+ return vrefresh;
+}
+
void r600_calculate_u_and_p(u32 i, u32 r_c, u32 p_b,
u32 *p, u32 *u)
{
@@ -745,6 +763,8 @@ bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor)
case THERMAL_TYPE_SUMO:
case THERMAL_TYPE_NI:
case THERMAL_TYPE_SI:
+ case THERMAL_TYPE_CI:
+ case THERMAL_TYPE_KV:
return true;
case THERMAL_TYPE_ADT7473_WITH_INTERNAL:
case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
@@ -779,15 +799,19 @@ static int r600_parse_clk_voltage_dep_table(struct radeon_clock_voltage_dependen
u32 size = atom_table->ucNumEntries *
sizeof(struct radeon_clock_voltage_dependency_entry);
int i;
+ ATOM_PPLIB_Clock_Voltage_Dependency_Record *entry;
radeon_table->entries = kzalloc(size, GFP_KERNEL);
if (!radeon_table->entries)
return -ENOMEM;
+ entry = &atom_table->entries[0];
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->entries[i].clk = le16_to_cpu(entry->usClockLow) |
+ (entry->ucClockHigh << 16);
+ radeon_table->entries[i].v = le16_to_cpu(entry->usVoltage);
+ entry = (ATOM_PPLIB_Clock_Voltage_Dependency_Record *)
+ ((u8 *)entry + sizeof(ATOM_PPLIB_Clock_Voltage_Dependency_Record));
}
radeon_table->count = atom_table->ucNumEntries;
@@ -875,6 +899,19 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
return ret;
}
}
+ if (power_info->pplib4.usMvddDependencyOnMCLKOffset) {
+ dep_table = (ATOM_PPLIB_Clock_Voltage_Dependency_Table *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib4.usMvddDependencyOnMCLKOffset));
+ ret = r600_parse_clk_voltage_dep_table(&rdev->pm.dpm.dyn_state.mvdd_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);
+ kfree(rdev->pm.dpm.dyn_state.vddc_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 *)
@@ -898,27 +935,27 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
(ATOM_PPLIB_PhaseSheddingLimits_Table *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib4.usVddcPhaseShedLimitsTableOffset));
+ ATOM_PPLIB_PhaseSheddingLimits_Record *entry;
rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries =
kzalloc(psl->ucNumEntries *
sizeof(struct radeon_phase_shedding_limits_entry),
GFP_KERNEL);
if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_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);
+ r600_free_extended_power_table(rdev);
return -ENOMEM;
}
+ entry = &psl->entries[0];
for (i = 0; i < psl->ucNumEntries; i++) {
rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk =
- le16_to_cpu(psl->entries[i].usSclkLow) |
- (psl->entries[i].ucSclkHigh << 16);
+ le16_to_cpu(entry->usSclkLow) | (entry->ucSclkHigh << 16);
rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].mclk =
- le16_to_cpu(psl->entries[i].usMclkLow) |
- (psl->entries[i].ucMclkHigh << 16);
+ le16_to_cpu(entry->usMclkLow) | (entry->ucMclkHigh << 16);
rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].voltage =
- le16_to_cpu(psl->entries[i].usVoltage);
+ le16_to_cpu(entry->usVoltage);
+ entry = (ATOM_PPLIB_PhaseSheddingLimits_Record *)
+ ((u8 *)entry + sizeof(ATOM_PPLIB_PhaseSheddingLimits_Record));
}
rdev->pm.dpm.dyn_state.phase_shedding_limits_table.count =
psl->ucNumEntries;
@@ -945,30 +982,140 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
(ATOM_PPLIB_CAC_Leakage_Table *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib5.usCACLeakageTableOffset));
+ ATOM_PPLIB_CAC_Leakage_Record *entry;
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);
+ r600_free_extended_power_table(rdev);
return -ENOMEM;
}
+ entry = &cac_table->entries[0];
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);
+ if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
+ rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc1 =
+ le16_to_cpu(entry->usVddc1);
+ rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc2 =
+ le16_to_cpu(entry->usVddc2);
+ rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc3 =
+ le16_to_cpu(entry->usVddc3);
+ } else {
+ rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].vddc =
+ le16_to_cpu(entry->usVddc);
+ rdev->pm.dpm.dyn_state.cac_leakage_table.entries[i].leakage =
+ le32_to_cpu(entry->ulLeakageValue);
+ }
+ entry = (ATOM_PPLIB_CAC_Leakage_Record *)
+ ((u8 *)entry + sizeof(ATOM_PPLIB_CAC_Leakage_Record));
}
rdev->pm.dpm.dyn_state.cac_leakage_table.count = cac_table->ucNumEntries;
}
}
- /* ppm table */
+ /* ext tables */
if (le16_to_cpu(power_info->pplib.usTableSize) >=
sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
ATOM_PPLIB_EXTENDEDHEADER *ext_hdr = (ATOM_PPLIB_EXTENDEDHEADER *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib3.usExtendendedHeaderOffset));
+ if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2) &&
+ ext_hdr->usVCETableOffset) {
+ VCEClockInfoArray *array = (VCEClockInfoArray *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(ext_hdr->usVCETableOffset) + 1);
+ ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *limits =
+ (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Table *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(ext_hdr->usVCETableOffset) + 1 +
+ 1 + array->ucNumEntries * sizeof(VCEClockInfo));
+ ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *entry;
+ u32 size = limits->numEntries *
+ sizeof(struct radeon_vce_clock_voltage_dependency_entry);
+ rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries =
+ kzalloc(size, GFP_KERNEL);
+ if (!rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries) {
+ r600_free_extended_power_table(rdev);
+ return -ENOMEM;
+ }
+ rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count =
+ limits->numEntries;
+ entry = &limits->entries[0];
+ for (i = 0; i < limits->numEntries; i++) {
+ VCEClockInfo *vce_clk = (VCEClockInfo *)
+ ((u8 *)&array->entries[0] +
+ (entry->ucVCEClockInfoIndex * sizeof(VCEClockInfo)));
+ rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].evclk =
+ le16_to_cpu(vce_clk->usEVClkLow) | (vce_clk->ucEVClkHigh << 16);
+ rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].ecclk =
+ le16_to_cpu(vce_clk->usECClkLow) | (vce_clk->ucECClkHigh << 16);
+ rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries[i].v =
+ le16_to_cpu(entry->usVoltage);
+ entry = (ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record *)
+ ((u8 *)entry + sizeof(ATOM_PPLIB_VCE_Clock_Voltage_Limit_Record));
+ }
+ }
+ if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3) &&
+ ext_hdr->usUVDTableOffset) {
+ UVDClockInfoArray *array = (UVDClockInfoArray *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(ext_hdr->usUVDTableOffset) + 1);
+ ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *limits =
+ (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Table *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(ext_hdr->usUVDTableOffset) + 1 +
+ 1 + (array->ucNumEntries * sizeof (UVDClockInfo)));
+ ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *entry;
+ u32 size = limits->numEntries *
+ sizeof(struct radeon_uvd_clock_voltage_dependency_entry);
+ rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries =
+ kzalloc(size, GFP_KERNEL);
+ if (!rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries) {
+ r600_free_extended_power_table(rdev);
+ return -ENOMEM;
+ }
+ rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count =
+ limits->numEntries;
+ entry = &limits->entries[0];
+ for (i = 0; i < limits->numEntries; i++) {
+ UVDClockInfo *uvd_clk = (UVDClockInfo *)
+ ((u8 *)&array->entries[0] +
+ (entry->ucUVDClockInfoIndex * sizeof(UVDClockInfo)));
+ rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].vclk =
+ le16_to_cpu(uvd_clk->usVClkLow) | (uvd_clk->ucVClkHigh << 16);
+ rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk =
+ le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16);
+ rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v =
+ le16_to_cpu(limits->entries[i].usVoltage);
+ entry = (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *)
+ ((u8 *)entry + sizeof(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record));
+ }
+ }
+ if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4) &&
+ ext_hdr->usSAMUTableOffset) {
+ ATOM_PPLIB_SAMClk_Voltage_Limit_Table *limits =
+ (ATOM_PPLIB_SAMClk_Voltage_Limit_Table *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(ext_hdr->usSAMUTableOffset) + 1);
+ ATOM_PPLIB_SAMClk_Voltage_Limit_Record *entry;
+ u32 size = limits->numEntries *
+ sizeof(struct radeon_clock_voltage_dependency_entry);
+ rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries =
+ kzalloc(size, GFP_KERNEL);
+ if (!rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries) {
+ r600_free_extended_power_table(rdev);
+ return -ENOMEM;
+ }
+ rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.count =
+ limits->numEntries;
+ entry = &limits->entries[0];
+ for (i = 0; i < limits->numEntries; i++) {
+ rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].clk =
+ le16_to_cpu(entry->usSAMClockLow) | (entry->ucSAMClockHigh << 16);
+ rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v =
+ le16_to_cpu(entry->usVoltage);
+ entry = (ATOM_PPLIB_SAMClk_Voltage_Limit_Record *)
+ ((u8 *)entry + sizeof(ATOM_PPLIB_SAMClk_Voltage_Limit_Record));
+ }
+ }
if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) &&
ext_hdr->usPPMTableOffset) {
ATOM_PPLIB_PPM_Table *ppm = (ATOM_PPLIB_PPM_Table *)
@@ -977,10 +1124,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
rdev->pm.dpm.dyn_state.ppm_table =
kzalloc(sizeof(struct radeon_ppm_table), GFP_KERNEL);
if (!rdev->pm.dpm.dyn_state.ppm_table) {
- 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);
- kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries);
+ r600_free_extended_power_table(rdev);
return -ENOMEM;
}
rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
@@ -1003,6 +1147,71 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
rdev->pm.dpm.dyn_state.ppm_table->tj_max =
le32_to_cpu(ppm->ulTjmax);
}
+ if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6) &&
+ ext_hdr->usACPTableOffset) {
+ ATOM_PPLIB_ACPClk_Voltage_Limit_Table *limits =
+ (ATOM_PPLIB_ACPClk_Voltage_Limit_Table *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(ext_hdr->usACPTableOffset) + 1);
+ ATOM_PPLIB_ACPClk_Voltage_Limit_Record *entry;
+ u32 size = limits->numEntries *
+ sizeof(struct radeon_clock_voltage_dependency_entry);
+ rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries =
+ kzalloc(size, GFP_KERNEL);
+ if (!rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries) {
+ r600_free_extended_power_table(rdev);
+ return -ENOMEM;
+ }
+ rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.count =
+ limits->numEntries;
+ entry = &limits->entries[0];
+ for (i = 0; i < limits->numEntries; i++) {
+ rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].clk =
+ le16_to_cpu(entry->usACPClockLow) | (entry->ucACPClockHigh << 16);
+ rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].v =
+ le16_to_cpu(entry->usVoltage);
+ entry = (ATOM_PPLIB_ACPClk_Voltage_Limit_Record *)
+ ((u8 *)entry + sizeof(ATOM_PPLIB_ACPClk_Voltage_Limit_Record));
+ }
+ }
+ if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7) &&
+ ext_hdr->usPowerTuneTableOffset) {
+ u8 rev = *(u8 *)(mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
+ ATOM_PowerTune_Table *pt;
+ rdev->pm.dpm.dyn_state.cac_tdp_table =
+ kzalloc(sizeof(struct radeon_cac_tdp_table), GFP_KERNEL);
+ if (!rdev->pm.dpm.dyn_state.cac_tdp_table) {
+ r600_free_extended_power_table(rdev);
+ return -ENOMEM;
+ }
+ if (rev > 0) {
+ ATOM_PPLIB_POWERTUNE_Table_V1 *ppt = (ATOM_PPLIB_POWERTUNE_Table_V1 *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
+ rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit =
+ ppt->usMaximumPowerDeliveryLimit;
+ pt = &ppt->power_tune_table;
+ } else {
+ ATOM_PPLIB_POWERTUNE_Table *ppt = (ATOM_PPLIB_POWERTUNE_Table *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(ext_hdr->usPowerTuneTableOffset));
+ rdev->pm.dpm.dyn_state.cac_tdp_table->maximum_power_delivery_limit = 255;
+ pt = &ppt->power_tune_table;
+ }
+ rdev->pm.dpm.dyn_state.cac_tdp_table->tdp = le16_to_cpu(pt->usTDP);
+ rdev->pm.dpm.dyn_state.cac_tdp_table->configurable_tdp =
+ le16_to_cpu(pt->usConfigurableTDP);
+ rdev->pm.dpm.dyn_state.cac_tdp_table->tdc = le16_to_cpu(pt->usTDC);
+ rdev->pm.dpm.dyn_state.cac_tdp_table->battery_power_limit =
+ le16_to_cpu(pt->usBatteryPowerLimit);
+ rdev->pm.dpm.dyn_state.cac_tdp_table->small_power_limit =
+ le16_to_cpu(pt->usSmallPowerLimit);
+ rdev->pm.dpm.dyn_state.cac_tdp_table->low_cac_leakage =
+ le16_to_cpu(pt->usLowCACLeakage);
+ rdev->pm.dpm.dyn_state.cac_tdp_table->high_cac_leakage =
+ le16_to_cpu(pt->usHighCACLeakage);
+ }
}
return 0;
@@ -1016,12 +1225,24 @@ void r600_free_extended_power_table(struct radeon_device *rdev)
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.mvdd_dependency_on_mclk.entries)
+ kfree(rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries);
if (rdev->pm.dpm.dyn_state.cac_leakage_table.entries)
kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries);
if (rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries)
kfree(rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries);
if (rdev->pm.dpm.dyn_state.ppm_table)
kfree(rdev->pm.dpm.dyn_state.ppm_table);
+ if (rdev->pm.dpm.dyn_state.cac_tdp_table)
+ kfree(rdev->pm.dpm.dyn_state.cac_tdp_table);
+ if (rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries)
+ kfree(rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries);
+ if (rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries)
+ kfree(rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries);
+ if (rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries)
+ kfree(rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries);
+ if (rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries)
+ kfree(rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries);
}
enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,
@@ -1046,3 +1267,36 @@ enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,
}
return RADEON_PCIE_GEN1;
}
+
+u16 r600_get_pcie_lane_support(struct radeon_device *rdev,
+ u16 asic_lanes,
+ u16 default_lanes)
+{
+ switch (asic_lanes) {
+ case 0:
+ default:
+ return default_lanes;
+ case 1:
+ return 1;
+ case 2:
+ return 2;
+ case 4:
+ return 4;
+ case 8:
+ return 8;
+ case 12:
+ return 12;
+ case 16:
+ return 16;
+ }
+}
+
+u8 r600_encode_pci_lane_width(u32 lanes)
+{
+ u8 encoded_lanes[] = { 0, 1, 2, 0, 3, 0, 0, 0, 4, 0, 0, 0, 5, 0, 0, 0, 6 };
+
+ if (lanes > 16)
+ return 0;
+
+ return encoded_lanes[lanes];
+}