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Commit 5de95e55 authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amd/powerplay: Disable Spread Spectrum on DPM 0 on baffin as SPLL Shut Down feature is enabled. 



Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Acked-by: default avatarFlora Cui <Flora.Cui@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2043f43e

drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c

+6 −0
Original line number Diff line number Diff line
@@ -1248,6 +1248,9 @@ static int polaris10_populate_all_graphic_levels(struct pp_hwmgr *hwmgr) 
		if (i > 1)

			levels[i].DeepSleepDivId = 0;

	}

	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,

					PHM_PlatformCaps_SPLLShutdownSupport))

		data->smc_state_table.GraphicsLevel[0].SclkSetting.SSc_En = 0;



	data->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1;

	data->smc_state_table.GraphicsDpmLevelCount =
@@ -2602,6 +2605,9 @@ int polaris10_set_features_platform_caps(struct pp_hwmgr *hwmgr) 
	phm_cap_unset(hwmgr->platform_descriptor.platformCaps,

						PHM_PlatformCaps_TCPRamping);



	if (hwmgr->chip_id == CHIP_POLARIS11)

		phm_cap_set(hwmgr->platform_descriptor.platformCaps,

					PHM_PlatformCaps_SPLLShutdownSupport);

	return 0;

}

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

+1 −0
Original line number Diff line number Diff line
@@ -211,6 +211,7 @@ enum phm_platform_caps { 
	PHM_PlatformCaps_ClockStretcher,

	PHM_PlatformCaps_TablelessHardwareInterface,

	PHM_PlatformCaps_EnableDriverEVV,

	PHM_PlatformCaps_SPLLShutdownSupport,

	PHM_PlatformCaps_Max

};