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drm/amd/powerplay: disable engine spread spectrum feature on Vega10.

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Vega10 atomfirmware do not have ASIC_InternalSS_Info table
so disable this feature by default in driver.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Ken Wang <Qingqing.wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2017-05-04 11:07:02 +08:00 committed by Alex Deucher
parent b4a33e325c
commit 327fce0c0d
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
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@ -1535,7 +1535,11 @@ static int vega10_populate_single_gfx_level(struct pp_hwmgr *hwmgr,
current_gfxclk_level->FbMult =
cpu_to_le32(dividers.ulPll_fb_mult);
/* Spread FB Multiplier bit: bit 0:8 int, bit 31:16 frac */
current_gfxclk_level->SsOn = dividers.ucPll_ss_enable;
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_EngineSpreadSpectrumSupport))
current_gfxclk_level->SsOn = dividers.ucPll_ss_enable;
else
current_gfxclk_level->SsOn = 0;
current_gfxclk_level->SsFbMult =
cpu_to_le32(dividers.ulPll_ss_fbsmult);
current_gfxclk_level->SsSlewFrac =