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path: root/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
index 6ddd53ba8b77..c6687c6cf03d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -173,8 +173,13 @@ static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL3, tmp);
tmp = mmVM_L2_CNTL4_DEFAULT;
- tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
- tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
+ if (adev->gmc.xgmi.connected_to_cpu) {
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 1);
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 1);
+ } else {
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
+ }
WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL4, tmp);
}