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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: Eric Huang <JinHuiEric.Huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Eric Huang 8 years ago
parent
commit
b87079ec7b
1 changed files with 9 additions and 0 deletions
  1. 9 0
      drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c

+ 9 - 0
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c

@@ -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!",