hwmgr->not_vf = !amdgpu_sriov_vf(adev);
hwmgr->device = amdgpu_cgs_create_device(adev);
mutex_init(&hwmgr->smu_lock);
+ mutex_init(&hwmgr->msg_lock);
hwmgr->chip_family = adev->family;
hwmgr->chip_id = adev->asic_type;
hwmgr->feature_mask = adev->pm.pp_feature;
{
struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
+ mutex_destroy(&hwmgr->msg_lock);
+
kfree(hwmgr->hardcode_pp_table);
hwmgr->hardcode_pp_table = NULL;
(resp && !hwmgr->smumgr_funcs->get_argument))
return -EINVAL;
+ mutex_lock(&hwmgr->msg_lock);
+
ret = hwmgr->smumgr_funcs->send_msg_to_smc(hwmgr, msg);
- if (ret)
+ if (ret) {
+ mutex_unlock(&hwmgr->msg_lock);
return ret;
+ }
if (resp)
*resp = hwmgr->smumgr_funcs->get_argument(hwmgr);
+ mutex_unlock(&hwmgr->msg_lock);
+
return ret;
}
(resp && !hwmgr->smumgr_funcs->get_argument))
return -EINVAL;
+ mutex_lock(&hwmgr->msg_lock);
+
ret = hwmgr->smumgr_funcs->send_msg_to_smc_with_parameter(
hwmgr, msg, parameter);
- if (ret)
+ if (ret) {
+ mutex_unlock(&hwmgr->msg_lock);
return ret;
+ }
if (resp)
*resp = hwmgr->smumgr_funcs->get_argument(hwmgr);
+ mutex_unlock(&hwmgr->msg_lock);
+
return ret;
}