diff options
| author | Eric Huang <JinHuiEric.Huang@amd.com> | 2017-10-19 21:55:18 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-10-26 05:45:49 +0300 |
| commit | b87079ec7b4d38efee015367315958ce5495ba93 (patch) | |
| tree | 7e46b04970c9ffc4697a943462f616e2421f31a2 /drivers/gpu/drm/amd/powerplay | |
| parent | 75e500865fca102e4663cff2f02d67a62625ceb9 (diff) | |
| download | linux-b87079ec7b4d38efee015367315958ce5495ba93.tar.xz | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index 0519338e0e5e..203ef10cafdc 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/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!", |