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Commit e0b71a7e authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amd/powerplay: Reload and initialize the smc firmware on powerplay resume. 



Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a969e163

drivers/gpu/drm/amd/powerplay/amd_powerplay.c

+17 −0
Original line number Diff line number Diff line
@@ -203,13 +203,29 @@ static int pp_resume(void *handle) 
	struct pp_instance *pp_handle;

	struct pp_eventmgr *eventmgr;

	struct pem_event_data event_data = { {0} };

	struct pp_smumgr *smumgr;

	int ret;



	if (handle == NULL)

		return -EINVAL;



	pp_handle = (struct pp_instance *)handle;

	smumgr = pp_handle->smu_mgr;



	if (smumgr == NULL || smumgr->smumgr_funcs == NULL ||

		smumgr->smumgr_funcs->start_smu == NULL)

		return -EINVAL;



	ret = smumgr->smumgr_funcs->start_smu(smumgr);

	if (ret) {

		printk(KERN_ERR "[ powerplay ] smc start failed\n");

		smumgr->smumgr_funcs->smu_fini(smumgr);

		return ret;

	}



	eventmgr = pp_handle->eventmgr;

	pem_handle_event(eventmgr, AMD_PP_EVENT_RESUME, &event_data);



	return 0;

}
@@ -624,6 +640,7 @@ int amd_powerplay_display_configuration_change(void *handle, const void *input) 
	hwmgr = ((struct pp_instance *)handle)->hwmgr;



	phm_store_dal_configuration_data(hwmgr, display_config);



	return 0;

}