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Commit e0e93d03 authored by Kenneth Feng's avatar Kenneth Feng Committed by Alex Deucher
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drm/amd/powerplay: add registry key to disable ACG 



For the dummy ACG fuses,need to disable ACG, otherwise
corruption will be caused.

Signed-off-by: default avatarKenneth Feng <kenneth.feng@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b1f223c0

drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c

+5 −0
Original line number Diff line number Diff line
@@ -224,6 +224,11 @@ static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable 
	ppsmc_pptable->AcgGfxclkSpreadPercent = smc_dpm_table.acggfxclkspreadpercent;

	ppsmc_pptable->AcgGfxclkSpreadFreq = smc_dpm_table.acggfxclkspreadfreq;



	/* 0xFFFF will disable the ACG feature */

	if (!(hwmgr->feature_mask & PP_ACG_MASK)) {

		ppsmc_pptable->AcgThresholdFreqHigh = 0xFFFF;

		ppsmc_pptable->AcgThresholdFreqLow = 0xFFFF;

	}



	return 0;

}

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

+1 −0
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ enum PP_FEATURE_MASK { 
	PP_SOCCLK_DPM_MASK = 0x1000,

	PP_DCEFCLK_DPM_MASK = 0x2000,

	PP_OVERDRIVE_MASK = 0x4000,

	PP_ACG_MASK = 0x10000,

};



enum PHM_BackEnd_Magic {