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drm/amd/powerplay: fix performance drop on Vega10

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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>
This commit is contained in:
Eric Huang 2017-10-19 14:55:18 -04:00 • committed by Alex Deucher
parent 75e500865f
commit b87079ec7b
1 changed files with 9 additions and 0 deletions
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9
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
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@ -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!",