diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2017-02-15 15:48:40 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-02-22 17:54:23 -0500 |
| commit | 187368a5c7ad6c41159b85025a87d6d136eb8d4b (patch) | |
| tree | 6771c4d84cfcb23c619cb88e4b0fcb8fd9cfc0b6 /drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c | |
| parent | 4694335dad7357e9b3d7822ab13049014d74d8b0 (diff) | |
drm/amd/powerplay: fix PSI feature on Polars12.
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/amd/powerplay/hwmgr/ppatomctrl.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c index 4b0a94cc995e..953e0c9ad7cd 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c @@ -1396,3 +1396,25 @@ int atomctrl_get_avfs_information(struct pp_hwmgr *hwmgr, return 0; } + +int atomctrl_get_svi2_info(struct pp_hwmgr *hwmgr, uint8_t voltage_type, + uint8_t *svd_gpio_id, uint8_t *svc_gpio_id, + uint16_t *load_line) +{ + ATOM_VOLTAGE_OBJECT_INFO_V3_1 *voltage_info = + (ATOM_VOLTAGE_OBJECT_INFO_V3_1 *)get_voltage_info_table(hwmgr->device); + + const ATOM_VOLTAGE_OBJECT_V3 *voltage_object; + + PP_ASSERT_WITH_CODE((NULL != voltage_info), + "Could not find Voltage Table in BIOS.", return -EINVAL); + + voltage_object = atomctrl_lookup_voltage_type_v3 + (voltage_info, voltage_type, VOLTAGE_OBJ_SVID2); + + *svd_gpio_id = voltage_object->asSVID2Obj.ucSVDGpioId; + *svc_gpio_id = voltage_object->asSVID2Obj.ucSVCGpioId; + *load_line = voltage_object->asSVID2Obj.usLoadLine_PSI; + + return 0; +} |