From 6890f4cb9a12338d8842e54a4b490fedcb525d81 Mon Sep 17 00:00:00 2001 From: Eric Huang Date: Tue, 6 Apr 2021 13:19:40 -0400 Subject: [PATCH] drm/amdkfd: change MTYPEs for Aldebaran's HW requirement Due to changes of HW memory model, we need to change Aldebaran MTYPEs to meet HW changes. Signed-off-by: Eric Huang Reviewed-by: Harish Kasiviswanathan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index e93850f2..6622695 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -445,22 +445,19 @@ static uint64_t get_pte_flags(struct amdgpu_device *adev, struct kgd_mem *mem) mapping_flags |= AMDGPU_VM_MTYPE_UC; } else if (mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM) { if (bo_adev == adev) { - mapping_flags |= AMDGPU_VM_MTYPE_RW; + mapping_flags |= coherent ? + AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW; if (adev->gmc.xgmi.connected_to_cpu) snoop = true; } else { - mapping_flags |= AMDGPU_VM_MTYPE_NC; + mapping_flags |= AMDGPU_VM_MTYPE_UC; if (amdgpu_xgmi_same_hive(adev, bo_adev)) snoop = true; } } else { snoop = true; - if (adev->gmc.xgmi.connected_to_cpu) - /* system memory uses NC on A+A */ - mapping_flags |= AMDGPU_VM_MTYPE_NC; - else - mapping_flags |= coherent ? - AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC; + mapping_flags |= coherent ? + AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC; } break; default: -- 2.7.4