From 74c31c6e61f3f903799986a07ab5b7c7437d456a Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Mon, 3 Jul 2017 17:50:45 +0800 Subject: [PATCH] drm/amd/powerplay: add avfs check for old asics on Vi. Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 1f01020..f01cda9 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -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)) -- 2.7.4