diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2017-05-04 11:07:02 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-05-05 18:13:28 -0400 |
| commit | 327fce0c0d265b14be575bfe21a98c7c0dd932d8 (patch) | |
| tree | 6f2b0b2c07ba69dcb83147c44d6fea7b8de42e6f /drivers/gpu | |
| parent | b4a33e325c58579a2017d3b1c1a1227f78ae52cd (diff) | |
drm/amd/powerplay: disable engine spread spectrum feature on Vega10.
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index 8baa890579d8..e24e54c294bd 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -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 = |