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 at amd.com> --- drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index 0519338..2daf234 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -2879,6 +2879,12 @@ static int vega10_enable_dpm_tasks(struct pp_hwmgr *hwmgr) "DPM is already running right , skipping re-enablement!", return 0); + 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!", -- 2.7.4
