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Commit b87079ec authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher
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drm/amd/powerplay: fix performance drop on Vega10 



Setting package power PID to 1 fixes performance drop caused by
updated SMU FW, before DPM is enabled.

Signed-off-by: default avatarEric Huang <JinHuiEric.Huang@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 75e50086

drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c

+9 −0
Original line number Diff line number Diff line
@@ -2879,6 +2879,15 @@ static int vega10_enable_dpm_tasks(struct pp_hwmgr *hwmgr) 
			"DPM is already running right , skipping re-enablement!",

			return 0);



	if ((data->smu_version == 0x001c2c00) ||

			(data->smu_version == 0x001c2d00)) {

		tmp_result = smum_send_msg_to_smc_with_parameter(hwmgr,

				PPSMC_MSG_UpdatePkgPwrPidAlpha, 1);

		PP_ASSERT_WITH_CODE(!tmp_result,

				"Failed to set package power PID!",

				return tmp_result);

	}



	tmp_result = vega10_construct_voltage_tables(hwmgr);

	PP_ASSERT_WITH_CODE(!tmp_result,

			"Failed to contruct voltage tables!",