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drm/amdgpu: Use optimal mtypes and PTE bits for Arcturus

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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>
This commit is contained in:
Felix Kuehling 2019-08-26 18:46:28 -04:00 committed by Alex Deucher
parent d0ba51b1ca
commit e0253d083c
2 changed files with 22 additions and 2 deletions
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20
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
View file

@ -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);
}

4
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View file

@ -1592,6 +1592,10 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
}
flags &= ~AMDGPU_PTE_VALID;
}
if (adev->asic_type == CHIP_ARCTURUS &&
!(flags & AMDGPU_PTE_SYSTEM) &&
mapping->bo_va->is_xgmi)
flags |= AMDGPU_PTE_SNOOPED;
trace_amdgpu_vm_bo_update(mapping);