Commit 3abb2026 authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amd/pp: Disable OD feature if VBIOS limits 



Check vbios to determine whether we can enable OD

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 e3933f26

drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c

+4 −4
Original line number Diff line number Diff line
@@ -836,10 +836,10 @@ static int init_over_drive_limits( 
	hwmgr->platform_descriptor.maxOverdriveVDDC = 0;

	hwmgr->platform_descriptor.overdriveVDDCStep = 0;



	if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 \

		&& hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0) {

		phm_cap_set(hwmgr->platform_descriptor.platformCaps,

			PHM_PlatformCaps_ACOverdriveSupport);

	if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 \

		|| hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) {

		hwmgr->od_enabled = false;

		pr_debug("OverDrive feature not support by VBIOS\n");

	}



	return 0;

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

+5 −6
Original line number Diff line number Diff line
@@ -1074,12 +1074,11 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr, 
				powerplay_table,

				(const ATOM_FIRMWARE_INFO_V2_1 *)fw_info);



	if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0

		&& hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0

		&& !phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,

			PHM_PlatformCaps_OverdriveDisabledByPowerBudget))

		phm_cap_set(hwmgr->platform_descriptor.platformCaps,

				PHM_PlatformCaps_ACOverdriveSupport);

	if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0

		&& hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) {

		hwmgr->od_enabled = false;

		pr_debug("OverDrive feature not support by VBIOS\n");

	}



	return result;

}

drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c

+4 −4
Original line number Diff line number Diff line
@@ -267,10 +267,10 @@ static int init_over_drive_limits( 
	hwmgr->platform_descriptor.maxOverdriveVDDC = 0;

	hwmgr->platform_descriptor.overdriveVDDCStep = 0;



	if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 &&

		hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0) {

		phm_cap_set(hwmgr->platform_descriptor.platformCaps,

			PHM_PlatformCaps_ACOverdriveSupport);

	if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 ||

		hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) {

		hwmgr->od_enabled = false;

		pr_debug("OverDrive feature not support by VBIOS\n");

	}



	return 0;

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