drm/amd/powerplay: add avfs check for old asics on Vi.

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>
This commit is contained in:
Rex Zhu 2017-07-03 17:50:45 +08:00 committed by Alex Deucher
parent ce09d8ecb1
commit 74c31c6e61

View File

@ -4630,6 +4630,15 @@ static int smu7_set_power_profile_state(struct pp_hwmgr *hwmgr,
static int smu7_avfs_control(struct pp_hwmgr *hwmgr, bool enable)
{
struct pp_smumgr *smumgr = (struct pp_smumgr *)(hwmgr->smumgr);
struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(smumgr->backend);
if (smu_data == NULL)
return -EINVAL;
if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
return 0;
if (enable) {
if (!PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,
CGS_IND_REG__SMC, FEATURE_STATUS, AVS_ON))