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drm/radeon: parse the samu clock voltage deps table

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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-05-09 17:27:49 -04:00
parent becfa6989b
commit 3cb928ff1e
1 changed files with 26 additions and 0 deletions
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26
drivers/gpu/drm/radeon/r600_dpm.c
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@ -1051,6 +1051,30 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
le16_to_cpu(limits->entries[i].usVoltage);
}
}
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);
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;
for (i = 0; i < limits->numEntries; i++) {
rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].clk =
le16_to_cpu(limits->entries[i].usSAMClockLow) |
(limits->entries[i].ucSAMClockHigh << 16);
rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table.entries[i].v =
le16_to_cpu(limits->entries[i].usVoltage);
}
}
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 *)
@ -1147,6 +1171,8 @@ void r600_free_extended_power_table(struct radeon_device *rdev)
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);
}
enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,