diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2016-08-22 20:47:01 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-08-25 12:23:21 -0400 |
| commit | 38109efacd9c17e52ec3d9a43ea227a72623d9fd (patch) | |
| tree | 9e7a9a0a026715539cf1226533822cbd637aca45 /drivers/gpu/drm | |
| parent | 2fef37c62cb6338ca15b30b05ec91b8bcc7b7dbe (diff) | |
| download | linux-38109efacd9c17e52ec3d9a43ea227a72623d9fd.tar.bz2 | |
drm/amd/powerplay: get system info by cgs interface.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c index 98e01d17635a..98318718b00f 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c @@ -3119,11 +3119,27 @@ int polaris10_patch_voltage_workaround(struct pp_hwmgr *hwmgr) struct phm_ppt_v1_voltage_lookup_table *lookup_table = table_info->vddc_lookup_table; uint32_t i; + uint32_t hw_revision, sub_vendor_id, sub_sys_id; + struct cgs_system_info sys_info = {0}; - if (hwmgr->chip_id == CHIP_POLARIS10 && hwmgr->hw_revision == 0xC7 && - ((hwmgr->sub_sys_id == 0xb37 && hwmgr->sub_vendor_id == 0x1002) || - (hwmgr->sub_sys_id == 0x4a8 && hwmgr->sub_vendor_id == 0x1043) || - (hwmgr->sub_sys_id == 0x9480 && hwmgr->sub_vendor_id == 0x1682))) { + sys_info.size = sizeof(struct cgs_system_info); + + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_REV; + cgs_query_system_info(hwmgr->device, &sys_info); + hw_revision = (uint32_t)sys_info.value; + + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_SUB_SYS_ID; + cgs_query_system_info(hwmgr->device, &sys_info); + sub_sys_id = (uint32_t)sys_info.value; + + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_SUB_SYS_VENDOR_ID; + cgs_query_system_info(hwmgr->device, &sys_info); + sub_vendor_id = (uint32_t)sys_info.value; + + if (hwmgr->chip_id == CHIP_POLARIS10 && hw_revision == 0xC7 && + ((sub_sys_id == 0xb37 && sub_vendor_id == 0x1002) || + (sub_sys_id == 0x4a8 && sub_vendor_id == 0x1043) || + (sub_sys_id == 0x9480 && sub_vendor_id == 0x1682))) { if (lookup_table->entries[dep_mclk_table->entries[dep_mclk_table->count-1].vddInd].us_vdd >= 1000) return 0; |