diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-05-10 01:04:27 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-31 00:30:21 +0400 |
| commit | 57ff476171f4065ab0312be0752f3439ee943ebe (patch) | |
| tree | 47932fe3e6f39adada1f7ba9a5d36d8304972241 /drivers/gpu/drm/radeon/r600_dpm.c | |
| parent | 94a914f51e45b8bd7e943327337f307dc72354b9 (diff) | |
| download | linux-57ff476171f4065ab0312be0752f3439ee943ebe.tar.xz | |
drm/radeon: parse the vce clock voltage deps table
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_dpm.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c index 9dda73507384..b49b0f0795f0 100644 --- a/drivers/gpu/drm/radeon/r600_dpm.c +++ b/drivers/gpu/drm/radeon/r600_dpm.c @@ -989,12 +989,47 @@ int r600_parse_extended_power_table(struct radeon_device *rdev) } } - /* 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)); + 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) { + 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.mvdd_dependency_on_mclk.entries); + kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries); + return -ENOMEM; + } + rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.count = + limits->numEntries; + for (i = 0; i < limits->numEntries; i++) { + VCEClockInfo *vce_clk = + &array->entries[limits->entries[i].ucVCEClockInfoIndex]; + 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(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 *) @@ -1008,6 +1043,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev) kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries); kfree(rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries); kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries); + kfree(rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries); return -ENOMEM; } rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign; @@ -1044,6 +1080,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev) kfree(rdev->pm.dpm.dyn_state.mvdd_dependency_on_mclk.entries); kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries); kfree(rdev->pm.dpm.dyn_state.ppm_table); + kfree(rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table.entries); return -ENOMEM; } if (rev > 0) { @@ -1096,6 +1133,8 @@ void r600_free_extended_power_table(struct radeon_device *rdev) 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); } enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev, |