drm/amdgpu: increase CGCG gfx idle threshold for Arcturus

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 643d498..7a85c20 100644 (file)
--- 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;