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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-05-09 17:34:45 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-30 16:30:24 -0400 |
| commit | 96d2af2150c1e3326ea1163db1210ba4139f190a (patch) | |
| tree | 7af5c62e3ce5934acce0076527b706c52cbcd216 /drivers/gpu/drm/radeon/r600_dpm.c | |
| parent | 3cb928ff1e5bbb0bf03bb6aaa1b6052286565283 (diff) | |
| download | linux-stable-96d2af2150c1e3326ea1163db1210ba4139f190a.tar.gz linux-stable-96d2af2150c1e3326ea1163db1210ba4139f190a.tar.bz2 linux-stable-96d2af2150c1e3326ea1163db1210ba4139f190a.zip | |
drm/radeon: parse the acp 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 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c index 314886ab011b..bf851ac5491a 100644 --- a/drivers/gpu/drm/radeon/r600_dpm.c +++ b/drivers/gpu/drm/radeon/r600_dpm.c @@ -1106,6 +1106,30 @@ 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); + 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; + for (i = 0; i < limits->numEntries; i++) { + rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table.entries[i].clk = + le16_to_cpu(limits->entries[i].usACPClockLow) | + (limits->entries[i].ucACPClockHigh << 16); + rdev->pm.dpm.dyn_state.acp_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_V7) && ext_hdr->usPowerTuneTableOffset) { u8 rev = *(u8 *)(mode_info->atom_context->bios + data_offset + @@ -1173,6 +1197,8 @@ void r600_free_extended_power_table(struct radeon_device *rdev) 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, |