drm/amd/powerplay: Disable Spread Spectrum on DPM 0 on baffin as SPLL Shut Down feature is enabled.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Flora Cui <Flora.Cui@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2016-03-22 14:21:18 +08:00 committed by Alex Deucher
parent 2043f43e4b
commit 5de95e55de
2 changed files with 7 additions and 0 deletions

View file

@ -1248,6 +1248,9 @@ static int polaris10_populate_all_graphic_levels(struct pp_hwmgr *hwmgr)
if (i > 1)
levels[i].DeepSleepDivId = 0;
}
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SPLLShutdownSupport))
data->smc_state_table.GraphicsLevel[0].SclkSetting.SSc_En = 0;
data->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1;
data->smc_state_table.GraphicsDpmLevelCount =
@ -2602,6 +2605,9 @@ int polaris10_set_features_platform_caps(struct pp_hwmgr *hwmgr)
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_TCPRamping);
if (hwmgr->chip_id == CHIP_POLARIS11)
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SPLLShutdownSupport);
return 0;
}

View file

@ -211,6 +211,7 @@ enum phm_platform_caps {
PHM_PlatformCaps_ClockStretcher,
PHM_PlatformCaps_TablelessHardwareInterface,
PHM_PlatformCaps_EnableDriverEVV,
PHM_PlatformCaps_SPLLShutdownSupport,
PHM_PlatformCaps_Max
};