diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2019-08-26 18:46:28 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-09-13 17:36:01 -0500 |
| commit | e0253d083c5c77fa100cdc89680e5bc667d6ef4d (patch) | |
| tree | bb0d236bcb83dc675197f0106987b6048dc58b4d /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | |
| parent | d0ba51b1cacd27bdc1acfe70cb55699f3329b2b1 (diff) | |
| download | linux-e0253d083c5c77fa100cdc89680e5bc667d6ef4d.tar.gz linux-e0253d083c5c77fa100cdc89680e5bc667d6ef4d.tar.bz2 linux-e0253d083c5c77fa100cdc89680e5bc667d6ef4d.zip | |
drm/amdgpu: Use optimal mtypes and PTE bits for Arcturus
For compute VRAM allocations on Arturus use the new RW mtype
for non-coherent local memory, CC mtype for coherent local
memory and PTE_SNOOPED bit for invalidating non-dirty cache
lines on remote XGMI mappings.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Tested-by: Amber Lin <Amber.Lin@amd.com>
Reviewed-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index c41ac2a31034..f8328e069d94 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -358,6 +358,7 @@ static int vm_update_pds(struct amdgpu_vm *vm, struct amdgpu_sync *sync) static uint64_t get_pte_flags(struct amdgpu_device *adev, struct kgd_mem *mem) { + struct amdgpu_device *bo_adev = amdgpu_ttm_adev(mem->bo->tbo.bdev); bool coherent = mem->alloc_flags & ALLOC_MEM_FLAGS_COHERENT; uint32_t mapping_flags; @@ -367,8 +368,23 @@ static uint64_t get_pte_flags(struct amdgpu_device *adev, struct kgd_mem *mem) if (mem->alloc_flags & ALLOC_MEM_FLAGS_EXECUTABLE) mapping_flags |= AMDGPU_VM_PAGE_EXECUTABLE; - mapping_flags |= coherent ? - AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC; + switch (adev->asic_type) { + case CHIP_ARCTURUS: + if (mem->alloc_flags & ALLOC_MEM_FLAGS_VRAM) { + if (bo_adev == adev) + mapping_flags |= coherent ? + AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW; + else + mapping_flags |= AMDGPU_VM_MTYPE_UC; + } else { + mapping_flags |= coherent ? + AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC; + } + break; + default: + mapping_flags |= coherent ? + AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC; + } return amdgpu_gmc_get_pte_flags(adev, mapping_flags); } |