From 15e2f43a72cfe2c122281e7872ad8eaa71387d98 Mon Sep 17 00:00:00 2001
From: Le Ma <le.ma@amd.com>
Date: Fri, 9 Aug 2019 15:13:38 +0800
Subject: drm/amdgpu: increase CGCG gfx idle threshold for Arcturus
Git-commit: 15e2f43a72cfe2c122281e7872ad8eaa71387d98
Patch-mainline: v5.4-rc1
References: bsc#1152489
Follow the hw spec, and no need to consider gfxoff on Arcturus
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 643d49867069..7a85c20ddce5 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4690,8 +4690,12 @@ static void gfx_v9_0_update_coarse_grain_clock_gating(struct amdgpu_device *adev
/* enable cgcg FSM(0x0000363F) */
def = RREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL);
- data = (0x36 << RLC_CGCG_CGLS_CTRL__CGCG_GFX_IDLE_THRESHOLD__SHIFT) |
- RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK;
+ if (adev->asic_type == CHIP_ARCTURUS)
+ data = (0x2000 << RLC_CGCG_CGLS_CTRL__CGCG_GFX_IDLE_THRESHOLD__SHIFT) |
+ RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK;
+ else
+ data = (0x36 << RLC_CGCG_CGLS_CTRL__CGCG_GFX_IDLE_THRESHOLD__SHIFT) |
+ RLC_CGCG_CGLS_CTRL__CGCG_EN_MASK;
if (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGLS)
data |= (0x000F << RLC_CGCG_CGLS_CTRL__CGLS_REP_COMPANSAT_DELAY__SHIFT) |
RLC_CGCG_CGLS_CTRL__CGLS_EN_MASK;
--
2.28.0