diff options
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c index fb1145691410..a214ddbd4c86 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c @@ -227,9 +227,14 @@ static int smu_v15_0_0_system_features_control(struct smu_context *smu, bool en) struct amdgpu_device *adev = smu->adev; int ret = 0; - if (!en && !adev->in_s0ix) + if (!en && !adev->in_s0ix) { ret = smu_cmn_send_smc_msg(smu, SMU_MSG_PrepareMp1ForUnload, NULL); + /* SMU resets BIF_FB_EN to zero, re-enable MC access on APUs with SMU V15 */ + if (!ret && adev->nbio.funcs && adev->nbio.funcs->mc_access_enable) + adev->nbio.funcs->mc_access_enable(adev, true); + } + return ret; } |