Commit 6890f4cb authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher
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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: default avatarEric Huang <jinhuieric.huang@amd.com>
Reviewed-by: default avatarHarish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 36c08237

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c

+5 −8
Original line number Diff line number Diff line
@@ -445,20 +445,17 @@ 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;

		}