From: Rex Zhu <Rex.Zhu@amd.com>
Date: Sat, 27 May 2017 18:08:13 +0800
Subject: Revert "drm/amd/powerplay: disable engine spread spectrum feature on
Vega10."
Git-commit: 93480f897e3ccc1874d26bf7426d824dca832766
Patch-mainline: v4.13-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
This reverts commit f8fdaa0e7b81698ba2ad8c2d20c7f9a44c75e0c6.
firmware add support for this feature, so still ctrl by vbios.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -1543,11 +1543,7 @@ static int vega10_populate_single_gfx_le
current_gfxclk_level->FbMult =
cpu_to_le32(dividers.ulPll_fb_mult);
/* Spread FB Multiplier bit: bit 0:8 int, bit 31:16 frac */
- 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->SsOn = dividers.ucPll_ss_enable;
current_gfxclk_level->SsFbMult =
cpu_to_le32(dividers.ulPll_ss_fbsmult);
current_gfxclk_level->SsSlewFrac =