Commit f5f857f4 authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amd/powerplay: disable cg pg task when pp uninitialize. 



fix bug on uvd pg enabled, when reboot vm in pass through case,
we need to notify smu power up uvd/vce if they were power down.
otherwise, the vbios post will fail.

Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8201a67a

drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c

+1 −1
Original line number Diff line number Diff line
@@ -154,7 +154,7 @@ int pem_task_powerdown_vce_tasks(struct pp_eventmgr *eventmgr, struct pem_event_ 


int pem_task_disable_clock_power_gatings_tasks(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)

{

	/* TODO */

	phm_disable_clock_power_gatings(eventmgr->hwmgr);

	return 0;

}

drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c

+13 −0
Original line number Diff line number Diff line
@@ -209,6 +209,19 @@ int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr) 
	return 0;

}



int phm_disable_clock_power_gatings(struct pp_hwmgr *hwmgr)

{

	PHM_FUNC_CHECK(hwmgr);



	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,

		PHM_PlatformCaps_TablelessHardwareInterface)) {

		if (NULL != hwmgr->hwmgr_func->disable_clock_power_gating)

			return hwmgr->hwmgr_func->disable_clock_power_gating(hwmgr);

	}

	return 0;

}





int phm_display_configuration_changed(struct pp_hwmgr *hwmgr)

{

	PHM_FUNC_CHECK(hwmgr);

drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h

+1 −0
Original line number Diff line number Diff line
@@ -334,6 +334,7 @@ struct phm_clocks { 
	uint32_t clock[MAX_NUM_CLOCKS];

};



extern int phm_disable_clock_power_gatings(struct pp_hwmgr *hwmgr);

extern int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr);

extern int phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool gate);

extern int phm_powergate_vce(struct pp_hwmgr *hwmgr, bool gate);

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